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Freelance

Mission freelanceIngénieur Réseau Référent N2/N3 Cisco & Sécurité

Signe +
Publiée le
Cisco

8 mois
500 €
Paris, France
Dans le cadre d'un programme majeur de transformation des infrastructures réseau, nous recherchons un Ingénieur Réseau expérimenté pour intervenir en tant que référent technique sur une ligne de service réseau. Le consultant sera l'interface entre les équipes d'expertise N3 du client et les équipes N2 en charge du RUN, tout en contribuant à l'exploitation, l'évolution et la sécurisation des infrastructures réseau on-premise et Cloud. Informations généralesDémarrage : ASAP Durée : mission longue jusqu'au 31/12/2027 Localisation : Île-de-France Télétravail : 2 jours par semaine Astreintes : Oui Déplacements : Non MissionsExploitation et AdministrationTraitement des alertes et alarmes de supervision Suivi des performances réseaux et des bandes passantes Administration des équipements réseau et sécurité Gestion des sauvegardes des configurations Patching et montées de version des équipements Mise à jour des inventaires techniques Réseau & CloudConfiguration des infrastructures réseau dans le Cloud Gestion des interconnexions entre réseaux internes et Cloud Gestion des ouvertures de flux et règles de filtrage Mise en œuvre et maintien des certificats Tests de bascule et de continuité de service Intégration & Mise en ProductionPréparation et intégration des nouveaux équipements réseau et sécurité Participation aux mises en production Rédaction des dossiers techniques et procédures Mise en supervision des équipements Amélioration ContinueAutomatisation et industrialisation des tâches Accompagnement des équipes N2 Contribution au transfert de compétences Participation à l'amélioration continue des services Consolidation des prévisions d'activités Environnement techniqueRéseauCisco NDFC / DCNM Cisco Nexus Cisco Catalyst Architecture Spine & Leaf DELL Force10 AVAYA ProtocolesOSPF BGP PIM IP Multicast PTP / NTP SécuritéPalo Alto Cisco ASA Gestion des flux et filtrages Certificats Load BalancingF5 Big-IP LTM APM ASM WAF Outils & SupervisionPrometheus IPAM RESASAT E-DLiveR-v2
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CDI

Offre d'emploiMS Dynamics CRM Systems Administrator

Nexus Jobs Limited
Publiée le

Trumbull, Connecticut, États-Unis d'Amérique
MS Dynamics CRM Systems Administrator – Trumbull CT USA Our Client is implementing a large scale system overhaul including changing and standardizing the core ERP and CRM infrastructure to a Microsoft Dynamics and Azure platform. Over the next 2 years, the systems will be implemented in stages and we are now looking for three Regional CRM System administrators (One in each of the following locations: In Trumbull CT (USA), Måløv/Copenhagen (Denmark) and Singapore or Mumbai) to support the implementation and the ongoing commercial operations. As Regional CRM System Administrator you be responsible for Application and System Administration support in the region. You will report to the CRM Technical Lead and be the bridge between regional Commercial Operations and User groups and the Central CRM development team, where your responsibility is maintaining the system, resolving issues and escalating change requests. You will also work closely with our regional Helpdesk and SuperUsers providing training and knowledge transfer to ensure quality first line system support. Your system admin responsibilities will primarily be focused on Microsoft dynamics Customer Engagement (CRM), Dynamics for Marketing but also include other solution softwares like Alignstar Territory Alignment, Xactly Performance Management and the integration with our ERP System Dynamics Finance & Operations. As The CRM Systems Administrator you will be required to perform the following tasks: Perform all administrative functions for CRM system including, monitoring data feeds, updating data values, adjusting workflows, creating new reports/dashboards, etc Act as central point of contact for all change requests and system alteration requests (BPC); working with sales, marketing, operations, and IT leadership to assess, prioritize and implement as needed Deploy Microsoft Dynamics CRM solutions and Deploy SQL Integration Services packages. Refresh and munge production databases for staging, test and development environments. Assist Development team troubleshoot issues with network, Active Directory, deployment, Windows and PowerShell. Work with development and engineering team to automate, build and test CRM solutions. Configure, implement, monitor and maintain staging environments. Troubleshoot issues and provide analysis and recommendations for resolution and prevention. Monitor and analyze system performance and provide recommendations for improvement, including system tuning and configuration changes. Provide Tier 2 and 3 association support Support and participate in the deployment of the entire Dynamics solution including but not limited to application, DB, Web Server, internet-facing deployment To successfully perform the mentioned tasks CRM Systems Administrator will require the following skills: 3+ years of Microsoft Dynamics CRM Administration experience cloud infrastructure preferred. Power BI Reporting knowledge and good hands on experience creating Dashboard, reports and data exports for business Good knowledge of Microsoft Power Automate, Flows and workflows Demonstrated ability to learn new systems and applications quickly Experience implementing and supporting Windows clients within a production environment. Strong comprehension of networking concepts such as DNS, DHCP, Email, HTTP, SSL, and TCP/IP protocols. Strong troubleshooting skills (networking, virtualization, Active Directory, Windows Server, Windows Firewall) The ability to identify the root causes of issues by analyzing patterns and trends. 3+ years writing PowerShell scripts. 2+ years Windows Server Administration. This position will be based in Trumbull CT USA The salary for this position will be in the range $90K - $130K + Benefits. Please do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiIT Applications and Infrastructure Support Analyst

Nexus Jobs Limited
Publiée le

£50k-65k
Grand Londres, Royaume-Uni
IT Applications and Infrastructure Support Analyst Our Client a bank based in Central London is looking to recruit a seasoned professional with at least 5 to 10 years hands-on expertise at 2 and 3 level support. 1st and 2nd Line Troubleshooting / Root-Cause Analysis, Documentation write ups for Knowledge Base Articles Be an integral part of the Support team in supporting and delivering all aspect of services and full range of client support including, but not limited to: Workstation Imaging, Hardware Configurations, Deployment of Software and Hardware, AD Management, Asset Management, Ticket Queuing Management (Alloy Navigator) and general overall efficiency to deliver the best service we can to our Users. Be the face and central point of all incoming IT queries and issues, with following ITIL best practice to ensure we always deliver high-standards of operations Liaise with colleagues in London and external support / 3rd party to deliver resolutions for complex matters as we're in the process of many IT migration projects from legacy to new as well as life cycling projects Ensure all key data for IT is up-to-date, relevant and maintenance to high-level, to comply with the Bank's auditing principals and processes. Ensure the Support Team achieve SLA targets the business outlines and be part of a proficient and proactive Support Unit Regulatory Duties: Maintain knowledge of all applicable regulatory requirements including the Bank's Risk and Compliance policies and procedures and adhere to these to avoid exposing the Bank to undue risk. Report policy / procedure breaches and areas of potential non-compliance and suspicions promptly upon identification in accordance with the Bank's Risk and Compliance policies. Accurately execute all controls within own area to minimise risk of policy, procedure and / or regulatory breaches. Identify new risks / control gaps within own area and escalate accordingly to your Line Manager and / or regulatory exercises. Training under a Senior IT Engineer / Head of Infrastructure in the Team during Probation period As part of the probation period, assignment of small side IT desk projects to support and deliver IT Projects Complete all annual mandatory regulatory refresher training as per the Bank's training plans and deadlines. Proactively seek to complete recommended technical and behavioural competencies training required for your role. Technical Experience Required: Exposure to Market Data, Bloomberg, Trader Support Microsoft Windows (all versions) experience to a high level (troubleshoot and effectively resolve issues by research/using knowledge bases in a confident way). Active Directory to a medium-high level - security groups, administration/deployment, LDAP, ADSI. Citrix XenApps – Administration, Maintenance and Support of existing Citrix XenApps server farm Windows Server Environment 2012/2016 - design, deployment, maintenance and support. VM-Ware virtualisation environments. Backups (various and ability to use different applications). Networking - design/troubleshoot/installation (VLAN, routing, switching, TCP/IP and OSI) Router maintenance - wireless configuration, installation and setups. PowerShell to a competent level (backup/azure/EMC). VPN Administration and Deployment. DNS – administration of DNS internal and external. Salary will be in the range £50K - £65K. The position is hybrid with 3 days in the office in Central London. Do send your CV to us in Word format along with your salary and notice period.
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CDI

Offre d'emploiDatacoms Technician

Rise Technical Recruitment Ltd
Publiée le

Reigate and Banstead, Royaume-Uni
Datacoms Technician Competitive Salary + Annual Bonus + Private Healthcare + Pension + Progression + Gym Membership + Full Training London Are you an experienced Datacoms Technician looking for a varied, hands-on role where you can work on global communications infrastructure, bespoke solutions and cutting-edge technologies across satellite, LTE and enterprise networks? This is an exciting opportunity to join a specialist engineering team delivering advanced communication solutions to customers operating in remote and challenging environments. You will play a key role in designing, implementing and supporting complex network systems, working across both in-house product development and customer-facing projects. In this role, you will collaborate closely with internal teams and external clients to deliver tailored network solutions, from initial design through to deployment and ongoing support. You will also be responsible for resolving escalated technical issues, contributing to product development and ensuring the performance and reliability of critical communication systems. The ideal candidate will have strong networking fundamentals, hands-on experience with firewalls, routing and switching, and a proactive approach to problem solving. This role also offers opportunities for travel, exposure to cutting-edge technologies and continuous professional development within a highly technical environment. The Role: Support and maintain enterprise and customer network solutions Diagnose and resolve complex, escalated technical issues Assist in the design, build and deployment of network infrastructure Contribute to product evaluation, development and system integration Produce and maintain technical documentation for projects The Person: Strong knowledge of TCP/IP, routing, switching and firewall technologies Experience with satellite communications or enterprise IT systems Ability to troubleshoot complex network issues effectively Professional, proactive and able to work both independently and as part of a team Relevant qualification in IT, Networking or Engineering (degree or equivalent) Reference Number:BBBH275875 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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CDI

Offre d'emploiDelivery Manager H/F

ECONOCOM INFOGERANCE ET SYSTEME
Publiée le

45k-50k €
Paris, France
Au sein d'un environnement Retail Luxe exigeant et orienté excellence de service, vous intervenez dans le cadre d'une prestation d'infogérance couvrant l'ensemble des boutiques France & Monaco. En tant que Responsable Delivery, vous assurez le pilotage opérationnel du contrat, le management des équipes et la coordination des projets IT, tout en garantissant le respect des engagements de service et la satisfaction client. Vous évoluez au sein d'un périmètre d'environ 18 collaborateurs (techniciens de proximité, Service Desk, gestionnaire de parc & Asset, coordination) et intervenez auprès d'interlocuteurs métiers et VIP dans un contexte premium. • Garantir le respect des SLA, KPI et engagements contractuels • Superviser les activités de support de proximité, Service Desk, gestion de parc et Asset Management • Piloter les incidents critiques, sensibles et VIP jusqu'à leur résolution • Analyser les indicateurs de performance, les tendances opérationnelles et les axes d'amélioration • Identifier les risques et mettre en œuvre les plans d'actions nécessaires • Préparer et animer les comités opérationnels, techniques, projets et comités de pilotage • Assurer le reporting régulier auprès des managers Econocom et du client • Maintenir une présence terrain forte auprès des équipes et des interlocuteurs client • Encadrer et accompagner les équipes opérationnelles dans leur activité quotidienne • Organiser les plannings, gérer les absences et adapter les ressources aux besoins de l'activité • Anticiper les besoins en capacité et coordonner les renforts lors des périodes à forte activité • Assurer la montée en compétences des collaborateurs et le suivi de leur performance • Maintenir un haut niveau d'exigence et de qualité de service dans un environnement premium • Coordonner les projets IT liés aux ouvertures, rénovations et fermetures de boutiques • Piloter les déploiements applicatifs, migrations techniques et renouvellements d'équipements • Organiser les ressources projets et coordonner l'ensemble des parties prenantes • Suivre les jalons, risques et plans d'actions des projets • Garantir la transition des projets vers les équipes de production (RUN) • Apporter un soutien opérationnel et technique lorsque la situation le nécessite Environnement technique : Windows 10/11, Active Directory, Microsoft 365, iOS (iPhone, iPad), environnements Retail & POS, imprimantes Xerox et Zebra, AirPrint, outils ITSM, gestion des incidents et des demandes, Asset Management, sécurité des postes de travail, coordination projets IT, environnements VIP et Luxe. Référence de l'offre : z1h481yrps
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Freelance

Mission freelanceNetwork Engineer - WAN & BGP and Linux or Kubernetes - DV Clear

LA International Computer Consultants Ltd
Publiée le

6 mois
SW1A 2AH, City of Westminster, England, United Kingdom
Network Operations Engineer - WAN & BGP and Linux or Kubernetes Must have an Active DV Clearance Can be located in London, Farnborough or Corsham You will work across traditional networking and cloud-native technologies, maintaining air-gapped Kubernetes environments, improving network performance, and driving automation across critical platforms. The position is ideal for an experienced Network Operations Engineer with strong networking, Kubernetes, and Linux expertise who enjoys solving complex technical challenges within secure environments. Network Operations Engineer Responsibilities Configure, maintain, and optimise secure cloud platform network infrastructure. Support air-gapped Kubernetes environments and maintain secure cross-cluster communications. Implement network changes that improve reliability, resilience, security, and performance. Troubleshoot complex networking and platform issues across cloud-native environments. Support Layer 2 to Layer 7 networking technologies, BGP, and multi-tenant WAN environments. Develop and maintain automation to improve operational efficiency and platform scalability. Work closely with engineering teams to support production Kubernetes workloads. Participate in an on-call support rota and resolve operational incidents. Produce and maintain technical documentation and operational procedures. Network Operations Engineer Skills and Experience Essential: Active DV Clearance. Strong experience supporting WAN and BGP secure network operations within enterprise environments. Experience supporting Linux systems administration or Kubernetes Desirable - must have at 2-3 of the below: Experience with IP networking, Layer 2 to Layer 7 protocols and multi-tenant WAN environments Air-gapped Kubernetes environments and cross-cluster networking. Good understanding of Kubernetes networking concepts and production Kubernetes platforms. Experience with CNI technologies such as Cilium and Service Mesh technologies such as Istio would be advantageous. Experience with MPLS Layer 3 VPNs or cloud-native networking technologies is desirable. Experience automating infrastructure using Git, Bash, or Python. Strong troubleshooting, analytical, and problem-solving skills. Experience working within telecommunications or highly secure operational environments. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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CDI

Offre d'emploiTelecoms Specialist Engineer

Bluetown
Publiée le

£30k-35k
CF31 4EZ, Bridgend County Borough, United Kingdom
Job Title: Comms Specialist Engineer Location: Bridgend or St Asaph (Post to Bridgend) Salary: £30,000 to £35,000 per annum (depending on experience) Job Type: Full-time, Permanent Why join Flotek? Flotek Group is one of the fastest-growing technology companies in the UK, helping small and medium-sized businesses with IT, cyber security and communications technology. You will join our "Purple Army", a collaborative and fast-paced team that values expertise, trust, recognition and delivering a genuine "Wow" for our partners. Every employee shares ownership of the group, so you are genuinely invested in our success. The role: You will be a key point of contact on our comms helpdesk, providing high-quality remote support across VoIP, connectivity and data networking. You will resolve issues efficiently, escalate with clear diagnostics where needed, and make sure both our internal teams and partner environments get outstanding service. This is a full-time, office-based role and you can be based at either our Pencoed office in Bridgend, South Wales, or our St Asaph office in North Wales - whichever suits you best. You must be able to commute reliably to one of these offices. We cannot offer sponsorship or relocation assistance, so you must already have the right to work in the UK. What you will be doing: Incident management: Be the first point of contact for telecoms incidents, logging, categorising and prioritising faults in line with ITIL best practice. Service level management: Resolve tickets within agreed SLAs with timely responses, accurate updates and clear documentation. Ownership and escalation: Own incidents end to end, aim for First Contact Resolution, and escalate to Comms Specialists or carriers with clear diagnostics. Technical troubleshooting: Diagnose VoIP systems, SIP trunks, handsets, routers, broadband circuits (FTTC, FTTP, SoGEA) and internal network connectivity. Supplier coordination: Liaise with broadband carriers and hosted voice providers to progress faults and drive timely resolution. Service monitoring: Spot and respond to outages, call quality issues, latency and performance concerns before they escalate. Continual improvement: Document known issues, workarounds and fixes in the Knowledge Base to speed up future resolution. Service communication: Give clear, confident updates to customers and stakeholders, managing expectations during incidents. On-call support: Support telecoms services during scheduled weekend and out-of-hours cover, following major incident escalation paths. What we are looking for: Essential Requirements: You will be a logical problem-solver with a customer-first mindset who thrives in a busy helpdesk environment. 1 to 2 years' experience in a VoIP or communications support role. A good understanding of SIP, RTP, NAT and VoIP fundamentals. Basic knowledge of routing, switching, VLANs and firewall concepts. Strong problem-solving skills and the ability to diagnose issues logically. Excellent communication skills and a genuine customer-first approach. The ability to work effectively in a fast-paced helpdesk environment. A desire to grow your skills and progress into more advanced comms engineering roles. Useful, but not essential: Exposure to hosted VoIP platforms such as Gamma, Horizon, CallSwitch or Yealink handsets. Awareness of Microsoft Teams Phone, Operator Connect and Teams Calling Plans. Experience with DrayTek, UniFi, Aruba or SonicWall networking solutions. Experience using a ticketing system such as HaloPSA. Relevant certifications such as CompTIA Network+ or vendor-specific VoIP and networking qualifications. Technologies you will work with: Voice & Telephony Hosted VoIP: FloCX (Gamma/Cisco), FloOne, Floline+ Microsoft Teams Phone and Operator Connect SIP trunking (Gamma and Voicehost) Yealink handsets and desk phone estates Call routing, IVR, call queues and voicemail FloAnywhere and mobile solutions Connectivity & Networking SoGEA, FTTC, FTTP and leased lines DrayTek, UniFi and Aruba networking SonicWall firewalls and VLAN configuration Carrier and broadband fault management HaloPSA ticketing and service records Monitoring tools for call quality and latency Working pattern: Monday to Friday, working 8 hours per day between 08:00 and 18:00. A 30-minute lunch break each day. Weekend on-call support on a shared rotation. Office-based at either Pencoed (Bridgend) or St Asaph. What you will get: Inclusive EMI Share Equity Scheme - own a slice of the "Purple Pie". Birthday day off. An additional day off for personal life milestones. A Give Back Day to support a charity of your choice. Perkbox discounts across shopping, gyms, restaurants and more. Regular social events and team-building opportunities. Career growth pathways into senior communications or network engineering. Due to the nature of the role the company will not be able to offer sponsorship or relocation assistance so candidates must already reside in the UK. Please click the APPLY button to submit your CV for this role. Candidates with the experience or relevant job titles of; Telecoms / VoIP Support Engineer, Telecoms Engineer, Telecoms Support Technician, IT & Telecoms Helpdesk Engineer, Telecoms Support Specialist, Telecoms Helpdesk Engineer may also be considered for this role.
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CDI

Offre d'emploiDevOps Architect with AWS - Leeds

Nexus Jobs Limited
Publiée le

£70k-80k
Royaume-Uni
DevOps Architect with AWS - Leeds Serve as an AWS specialist, consult and provide technical guidance on AWS design, governance, performance, scalability, security, operations and cost control best practices to ensure we maximize our AWS investment Work with our partners in IT and the business to guide the architecture and high level solutioning of new products and services so that they operate excellently Assess our cloud maturity, review existing AWS cloud implementations, identify gaps and suggest improvements to improve our cloud maturity horizons Work as part of a team on larger solutions, providing technical support as requested, for internal and external Team members to meet delivery timescales Map the state of products today, and their path over the next 3-5 years to support EOL and EOS risk mitigation Support the DevOps teams who run the existing applications to improve our technical maturity levels, as well as the availability, functionality, performance, security and cost of running those applications Guide the depreciation and removal of outdated technologies and practices across the business to minimize risk Guide the adoption of new technologies and practices across the business to maximize our technological advantage Define, refine, automate and improve our processes so that as a company we're more efficient, effective, safe and secure Promote a continuous, automated, and feedback-driven route to Production for product changes Keep up-to-date with current and future technologies, products and strategies Education: BS/MS degree in Computer Science or 4-8 years related experience AWS Certification(s) such as Solutions Architect Pro, DevOps Engineer Pro, SysOps Admin, Developer Associate. Skills Producing technical artefacts and documenting the As-Is and To-Be states Devising the best cost optimization solutions and following best practices for cloud services Defining standards and cross product patterns to improve our consistency across a wide landscape of existing and new products. Security awareness and experience, with a “security by design” mindset Agile development techniques and Project management (SCRUM, KANBAN etc.) Strong interpersonal skills with the ability to deal with individuals (internal and external) at all levels Ability to work effectively within a team and autonomously with minimal supervision The ability to support people through change A strong problem solver and a self-starter with a 'can do' attitude. You have a good technical knowledge of IT architectures, Infrastructure, Cloud deployments, software engineering lifecycles, DevOps tools (e.g. Docker, Kubernetes, Terraform), microservices, CI/CD In-depth understanding of cloud networking, infrastructure and security concepts Strong scripting/automation skills (Bash, Python, Powershell, or similar) Good understanding of managing environments via Infrastructure as Code (IaC) Knowledge of IP networking, VPN's, DNS, load balancing and firewalls. Understanding of Service-Oriented Architecture (SOA and REST) Azure DevOps Pipelines JIRA & Confluence Experience with the full software development lifecycle and delivery using Agile practices 3+ years of architecting and delivering public cloud solutions, particularly around AWS 5+ years of production experience within AWS Experience designing, implementing and operating large scale SaaS products Experience implementing and designing cloud native security concepts, DevSecOps, or MLOps. Hands-on experience with microservices and distributed application architecture, such as containers, Kubernetes, and/or serverless technology. Proficient in leveraging CI/CD tools to automate testing and deployment An expert who can create tooling and automation which improve developer experiences and speed of delivery. The salary for this position is circa £70K - £80K plus excellent benefits package The Client is global operation with offices in Leeds – this position will be hybrid. Do send your CV to us in Word format along with your salary and availability.
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Freelance

Mission freelanceAdministrateur Cyber et Réseau H/F

Insitoo Freelances
Publiée le
Administration linux
Fortinet
Juniper

2 ans
300-390 €
Sophia Antipolis, Provence-Alpes-Côte d'Azur
Contexte : Vous rejoignez une équipe dédiée à l'exploitation et à l'évolution des infrastructures Réseau & Sécurité pour le compte d'un client telecom. Vous intervenez depuis le centre de services externalisé, au sein d'un dispositif d'infogérance regroupant plusieurs experts réseaux, systèmes et sécurité. Dans ce contexte, vous participez au maintien en conditions opérationnelles et aux évolutions d'infrastructures critiques, avec une dominante forte sur les technologies Fortinet. Au sein de l'équipe Réseau & Sécurité, vous êtes un acteur clé de l'exploitation et de l'amélioration continue des infrastructures. Les missions attendues par le Administrateur Cyber et Réseau H/F : - Administrer et maintenir les équipements Fortinet (FortiGate, FortiManager) ; - Assurer le traitement des incidents et problèmes de niveau 2 et 3 ; - Réaliser les opérations de changement et les mises en production ; - Participer à l'analyse et à la résolution d'incidents complexes ; - Garantir la disponibilité, la performance et la sécurité des infrastructures ; - Contribuer à l'automatisation et à l'industrialisation des activités d'exploitation ; - Participer à la rédaction et à l'amélioration de la documentation technique. Livrables : - Exploitation et administration des infrastructures de sécurité ; - Traitement des incidents et demandes de changement ; - Documentation et procédures d'exploitation ; - Rapports d'analyse et comptes-rendus d'intervention ; - Contribution aux projets d'évolution et d'amélioration continue ; - Mise en œuvre des bonnes pratiques de sécurité. Compétences Indispensables : - Administration et exploitation des environnements Juniper (MX / EX Series) ; - Administration des équipements de répartition de charge F5 BIG-IP ; - Administration et sécurisation des infrastructures Fortinet (FortiGate, FortiManager) ; - Solides connaissances des protocoles réseaux : TCP/IP VLAN Routage statique et dynamique (OSPF, BGP) Switching Appréciées : - Environnements Cisco ; - Administration Linux (RedHat, CentOS, Rocky Linux, Ubuntu) ; - Automatisation via Ansible, Shell ou Python ; - Outils de supervision et monitoring (Centreon, Grafana, Zabbix). Compétences clés : Obligatoire : RES LAN Important : RES CISCO admin linux
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CDI

Offre d'emploiSenior IT Infrastructure & Systems Manager

Nexus Jobs Limited
Publiée le

£55k-60k
Grand Londres, Royaume-Uni
Senior IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role 3 days in the office in Central London. Salary for this role will be in the range £55K - £60K. Do send your CV to us in Word format along with your salary and availability.
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Freelance
CDI

Offre d'emploiIngénieur Sauvegarde / Backup Veritas NetBackup (H/F) – 5 ans d'expérience

Gamme solutions
Publiée le
NetBackup

1 an
Paris, France
Intitulé du poste Ingénieur Sauvegarde / Backup Veritas NetBackup – 5 ans d'expérience. Mission principale Assurer la conception, l'exploitation et l'optimisation des plateformes de sauvegarde et restauration d'entreprise basées sur Veritas NetBackup, afin de garantir l'intégrité et la disponibilité des données critiques. Responsabilités Administrer au quotidien l'infrastructure NetBackup (master/media servers, clients, librairies de bandes, stockage disque/VDI/Cloud). Surveiller et analyser les jobs de sauvegarde et de restauration, traiter les échecs, optimiser les performances. Gérer les politiques de sauvegarde (schedules, retention, politiques par type de données/applications). Participer aux opérations de restauration dans le cadre d'incidents, demandes utilisateurs et exercices PRA/DRP. Installer, configurer et mettre à jour les versions NetBackup (8.x+), pilotes et firmwares associés. Contribuer aux projets d'évolution de la plateforme de sauvegarde (changement de version, migration de matériel, ajout de nouveaux périmètres). Documenter les procédures, maintenir les référentiels techniques et les modes opératoires. Assurer un support de niveau 2/3 sur les sujets sauvegarde/restauration, en lien avec les équipes systèmes, réseaux, bases de données et applicatives. Participer au roulement d'astreinte et aux interventions HNO pour les opérations critiques. Compétences techniques Maîtrise de Veritas NetBackup (version 8.x ou supérieure), incluant NetBackup OpsCenter / WebUI. Bonne connaissance des environnements Windows et Linux/Unix (installation des agents, troubleshooting système lié aux backups). Sauvegarde de machines virtuelles (VMware, éventuellement Hyper-V) et de bases de données (Oracle, SQL Server, etc.). Connaissance des librairies de bandes, VTL et solutions de stockage de sauvegarde (Data Domain, autres appliances de backup). Notions de SAN / NAS, stockage et réseau (TCP/IP, Fibre Channel) en lien avec la performance des sauvegardes. Scripting pour automatisation et reporting (PowerShell, Bash, éventuellement Python). Connaissance des bonnes pratiques ITIL (gestion des changements, incidents, problèmes). Profil / Expérience Bac +3/5 en informatique, systèmes ou équivalent. Environ 5 ans d'expérience sur des fonctions d'ingénieur / administrateur sauvegarde, dont plusieurs années dédiées à Veritas NetBackup en environnement de production. Expérience en environnement critique (banque, industrie, grande entreprise, hébergeur ou ESN) avec fortes exigences de disponibilité. Une certification Veritas (type VCS, VCS-278 ou équivalent) est un plus. Soft skills Rigueur, sens élevé de la fiabilité et du respect des procédures. Capacité d'analyse et de diagnostic, notamment en situation d'incident majeur. Bon relationnel pour travailler avec les équipes infra, sécurité et applicatives, et expliquer les contraintes de sauvegarde aux métiers. Esprit de service et goût pour le travail en équipe dans un contexte de production. Conditions / Cadre Poste idéalement en environnement de production 24/7 avec astreintes périodiques. Localisation : à adapter (ex. Paris / Île-de-France) selon ton client.
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CDI

Offre d'emploiDevOps Engineer with AWS

Nexus Jobs Limited
Publiée le

£60k-80k
Leeds, Royaume-Uni
DevOps Engineer with AWS To successfully build and deliver our next-generation cloud-hosted and cloud-native technology platforms. You will work within product teams responsible for the full software development life cycle, from conception to deployment. You will support the teams to ensure that solutions and products being developed consider all functional and non-functional requirements including support, maintenance, capacity, security and with a focus on performance. In addition, you will use your skills and experience to help implement DevOps practices across all of IT and drive the modernisation of our platform going forwards. Key accountabilities Build and maintain production and non-production environments to ensure high availability and cost optimization Build and maintain continuous integration and deployment pipelines to achieve fast, effect software delivery Improve performance and scalability of existing systems to meet functional and non-functional requirements Monitor and troubleshoot infrastructure related issues to minimize incidents and achieve resolution SLAs Develop and document best practices for application build and deployment (CI/CD) Contribute to ensuring that applications perform to user expectations and are continuously improved and maintained Work with the Lead Software Engineers, Architecture team and the Solution Delivery teams to contribute to the on-time delivery of solutions and applications Obtain guidance and approval as required to advance activities and resolve issues Communicate regularly regarding the status of current software delivery activities, actively participating in all relevant Scrum ceremonies Maintain an up to date working knowledge of industry best practice in the areas of software engineering and development, supporting and mentoring Solution Delivery teams where necessary BS/MS degree in Computer Science or 4-8 years related experience AWS Certification(s) such as Solutions Architect Pro, DevOps Engineer Pro, SysOps Admin, Developer Associate. Ability to work effectively within a team and autonomously with minimal supervision Be confident with Infrastructure as Code and code release strategies. Have experience with application and infrastructure monitoring. Experience implementing and designing cloud native security concepts, DevSecOps, or MLOps. Agile development techniques and Project management (SCRUM, KANBAN etc.) You'll be familiar with a cloud-native approach You have a curiosity for new technologies and a thirst for automation, standardisation, continuous integration and continuous delivery Strong interpersonal skills with the ability to deal with individuals (internal and external) at all levels The ability to support people through change A strong problem solver and a self-starter with a 'can do' attitude. You will speak fluent English with excellent verbal and written communication skills Proficient with Git and Git workflows Exceptional understanding of AWS, containerisation technology, infrastructure and strong technical design skills. Experience with the full software development lifecycle and delivery using Agile practices. Automating cloud native technologies, deploying applications, and provisioning infrastructure. Infrastructure as Code, using CloudFormation, Terraform, or other tools. Azure DevOps Pipelines JIRA & Confluence Knowledge of IP networking, VPN's, DNS, load balancing and firewall. Develop platforms with scalability, security and performance in mind, leveraging the cloud. 5+ years of experience as a technical specialist. 2+ years of hands-on experience of programming in languages such as .Net, Java, C++, Python, Ruby, Go, Swift or similar object-oriented language. Experience with AWS - including but not limited to EC2, S3, RDS, Lambda and CloudFormation Experience of SQL and Windows severs would be beneficial Hands-on experience with microservices and distributed application architecture, such as containers, Kubernetes, and/or serverless technology. Proficient in leveraging CI/CD tools to automate testing and deployment An expert who can create tooling and automation which improve developer experiences and speed of delivery. Experienced in working in an agile environment (Scrum / Kanban). You'll be someone who is happy to work independently or collaboratively on multiple tasks. Overall you are a highly motivated DevOps engineer who is passionate about writing excellent code, have strong communication skills and keen to continuously learn and share knowledge with other The Client is happy to consider 2 days a week in the office or at a push 2 days a month. Salary circa £60K - £80K + Benefits. Please do send your CV to us in Word format along with your salary and availability.
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