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Freelance

Mission freelance[LFR] Administrateur systèmes et réseaux à Crolles - 1943

ISUPPLIER
Publiée le

5 mois
200-385 €
Crolles, Auvergne-Rhône-Alpes
La mission porte sur l'administration et la supervision proactive des infrastructures systèmes et réseaux, sur site et dans le cloud AWS. Elle couvre également la sécurité et la conformité du périmètre, le support aux utilisateurs et l'accompagnement des équipes Helpdesk et OT, ainsi que la participation à des projets techniques IT. Missions : - Administrer les serveurs et les réseaux du périmètre - Assurer la mise à jour et la disponibilité des infrastructures - Superviser les infrastructures systèmes et réseaux de manière proactive - Administrer les infrastructures sur site et dans le cloud AWS - Gouverner la roadmap des postes de travail, serveurs et réseaux avec le manager - Assurer le support technique aux utilisateurs du périmètre - Assister l'équipe Helpdesk dans la gestion des demandes et tickets de service et d'incident - Administrer la sécurité de l'infrastructure et assurer la conformité du périmètre - Administrer les équipements Fortigate et configurer les règles et interfaces - Réaliser des captures de paquets sur les équipements Fortigate - Travailler sur des projets techniques dans l'IT - Gérer les tickets d'incidents, de demandes et de changements - Rédiger les documents techniques DAT et DEX - Gérer les projets techniques en autonomie et assurer le reporting associé Profil attendu : Administrateur systèmes et réseaux senior disposant d'une expérience d'environ 10 ans. Une expérience en administration et support réseau de niveau CCNA, notamment sur les subnets, VLAN et principes de routage, est attendue. La maîtrise de l'environnement Fortinet, notamment Fortigate, ainsi que l'expérience des infrastructures cloud AWS sont recherchées.
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CDI

Offre d'emploiAdministrateur réseaux H/F

Grafton
Publiée le

39k-42k €
Lyon, Auvergne-Rhône-Alpes
Grafton recrute pour l'un de ses clients - Administrateur(trice) Réseaux Senior (CDI) - Lyon (69) Contexte Dans le cadre d'une transformation importante du système d'information, notre client renforce son équipe informatique et recrute un(e) Administrateur(trice) Réseaux Senior. Le poste Rattaché(e) au Responsable Informatique, vous êtes garant(e) du bon fonctionnement, de la disponibilité, de la maintenance et de la sécurité des réseaux et équipements. Vos missions principales (sélection) Administration / Exploitation Assurer l'exploitation et la supervision de l'infrastructure LAN/WAN (incluant des usages liés à la scène : IPTV, écoutes). Installer/paramétrer les équipements et outils d'admin réseau (incl. VM), assurer le monitoring et proposer des améliorations. Administrer les équipements du périmètre : VLAN, Wi-Fi, firewall, switch, etc. Concevoir et faire évoluer les architectures serveurs/virtualisation/réseau. Mettre en place des réseaux temporaires/mobiles selon les besoins. Garantir la haute disponibilité lors des moments clés (représentations, festivals). Documenter et assurer le suivi des actions. Maintenance (MCO) Maintien en conditions opérationnelles des réseaux et évolutions dans une logique qualité/sécurité. Organisation et supervision des mises à jour des équipements réseau. Sécurité Suivi et remédiation des vulnérabilités. Traitement des incidents/anomalies de sécurité. Administration d'outils cybersécurité et participation à des audits réguliers. Environnement technique Windows Server 2019/2022 Active Directory / Azure AD (Entra ID) Microsoft 365 Proxmox Environnement en évolution continue Profil recherché Expertise en administration réseaux Bonne connaissance des architectures réseaux en environnement Windows (et notions Mac OS) Anglais technique Esprit d'équipe, communication, rigueur, réactivité, gestion du stress Force de proposition Intérêt pour l'environnement audiovisuel / scène Expérience spectacle vivant / audiovisuel / évènementiel : atout
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CDI

Offre d'emploiTelecoms Maintenance Engineer

Bluetown
Publiée le

£32k-35k
North Berwick, Écosse, Royaume-Uni
Job Title: Telecoms Maintenance Engineer Location: Based in Fife, Scotland (Field-based, covering Scotland & North England) Salary: £32,000 - £35,000 per annum depending on experience + Company van provided Job Type: Full-time, Permanent Working Hours: Monday to Friday, 8 hours per day within our operating hours of 08:00 to 18:00, with a 30-minute lunch break. On-call and overtime available on a shared rota. About Flotek: Flotek Group is one of the UK's fastest-growing technology providers, delivering IT, cyber security and communications solutions to SMEs. As part of our employee-owned "Purple Army", you'll join a collaborative team focused on expertise, trust and delivering exceptional service to our partners. The Role: We're looking for a Telecoms Maintenance Engineer based in Fife to support customers across Scotland and the North of England. This is a field-based role focused primarily on telecoms and connectivity, with a basic IT support element. You'll install, maintain and troubleshoot hosted voice, telephony and connectivity solutions, attending both planned installations and reactive service calls. You'll become a trusted face for our partners, providing excellent customer service while taking ownership of incidents through to resolution. Travel is required, including occasional overnight stays. Applicants must hold a full UK driving licence and have the right to work in the UK. Key Responsibilities: Diagnose and resolve on-site telephony, voice and connectivity issues. Deliver handset deployments, telephony installations and moves/adds/changes. Install and troubleshoot SIP trunks, broadband circuits, routers, switches and firewalls. Carry out proactive maintenance visits and site health checks. Coordinate with carriers, suppliers and Openreach engineers. Provide basic first-line IT support for desktops, laptops, printers and Microsoft 365 queries. Own incidents through to resolution, escalating where required. Maintain accurate documentation within HaloPSA and ITGlue. Deliver excellent customer service and identify opportunities for improvement. Participate in a shared on-call rota. What We're Looking For Essential Minimum 2 years' experience in a telecoms, communications, MSP or field engineering role. Strong VoIP and hosted telephony experience. Understanding of SIP, RTP, NAT and networking fundamentals. Experience with routing, switching, VLANs, wireless and firewalls. Structured cabling, patching, testing and handset deployment experience. Strong customer-facing and communication skills. Ability to work independently and manage your own workload. Full UK driving licence. Desirable Microsoft 365 and general IT support experience. Microsoft Teams Phone, Direct Routing and Operator Connect knowledge. Experience with Gamma, Horizon, CallSwitch, Yealink or similar platforms. Familiarity with SonicWall, UniFi, Aruba or DrayTek networking. CompTIA Network+, MS-900, AZ-900 or other relevant certifications. Experience using HaloPSA, ITGlue, Datto or similar MSP tools. Technologies You'll Work With: Voice & Telephony FloCX (Gamma/Cisco), FloOne and Floline+ Microsoft Teams Phone and Operator Connect SIP trunking and hosted VoIP platforms Yealink handsets IVR, call queues, voicemail and call routing Mobile and unified communications solutions Connectivity & Networking SoGEA, FTTC, FTTP and leased lines SonicWall, UniFi, Aruba and DrayTek networking VLANs, switching and firewall configuration Structured cabling, patching and testing Carrier fault management HaloPSA and ITGlue What You'll Get EMI Share Equity Scheme ("Purple Pie") Company van, fuel card, tools, laptop and mobile phone Birthday day off plus an additional life-event day Charity Give Back Day Perkbox employee discounts Employee Assistance Programme Funded training and certifications Clear career progression into senior engineering, Rapid Response or technical leadership roles Apply Now If you're an experienced telecoms engineer looking for a varied field-based role with a growing technology business, we'd love to hear from you. Candidates with experience as a Telecoms Engineer, Telecoms Technician, Comms Engineer, MSP Engineer, Telecommunications Support Technician or Field-Based Telecoms Engineer are encouraged to apply.
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CDI

Offre d'emploiNetwork Engineer with Cisco and Banking – City London

Nexus Jobs Limited
Publiée le

£50k-60k
Cité de Londres, Royaume-Uni
Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. You must have experience of working in a banking environment. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. You will ideally be coming with experience from a City based investment bank. Salary for this role is between £50K and £60K plus banking benefits. Please send your CV to us in Word format along with salary and availability.
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CDI

Offre d'emploiSenior Network Specialist with Security and Cisco – City London

Nexus Jobs Limited
Publiée le

Grand Londres, Royaume-Uni
Senior Network Specialist with Security and Cisco – City London Our Client urgently requires a Senior Network Specialist with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a datacentre and branch interconnectivity -Strong technical skills are essential -Experience of CISCO multilayer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. This is a contract role for up to 18 months to start immediately. Please send your CV to us in Word format.
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CDI

Offre d'emploiSenior Network Engineer with Security and Cisco – City London

Nexus Jobs Limited
Publiée le

£60k-70k
Grand Londres, Royaume-Uni
Senior Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. You will ideally be coming with experience from a City based investment bank. Salary for this role is between £60K and £70K plus banking benefits. Please send your CV to us in Word format.
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CDI

Offre d'emploiIngénieur Système, Sauvegarde et réseaux-Confirmé H/F

ECONOCOM INFOGERANCE ET SYSTEME
Publiée le

45k-55k €
Paris, France
L'Ingénieur Technique Système et Réseau intervient en tant qu'expert dans les domaines des réseaux, systèmes et sauvegardes. Il assure un rôle de conseil, d'information, de formation et d'alerte auprès des utilisateurs et des équipes techniques. Il participe à l'étude, à la mise en œuvre, à l'administration et à l'évolution des infrastructures réseau du client. Dans le cadre de ses missions, il prend en charge les projets réseau du siège, des sites en France métropolitaine et des territoires d'outre-mer (DOM-TOM), en garantissant la qualité, la performance et la sécurité des infrastructures. • Assurer l'administration, la configuration et le maintien en conditions opérationnelles des infrastructures réseau. • Configurer et gérer les switches Aruba 6000 et Cisco. • Configurer et administrer les bornes Wi-Fi Aruba. • Assurer la gestion et l'administration de la plateforme Aruba Central. • Effectuer les connexions, configurations et interventions à distance sur les équipements réseau. • Gérer la propagation des VLAN et l'adressage IP. • Participer à l'évolution et à l'optimisation de l'architecture réseau. • Assurer la supervision et le suivi des performances du réseau. • Apporter une expertise avancée sur les solutions SD-WAN. • Réaliser des études d'infrastructure et des audits techniques. • Participer à la qualification des plateformes et des nouvelles solutions. • Effectuer une veille technologique permanente sur les technologies réseau et système. • Identifier les risques techniques et proposer des plans d'amélioration. • Piloter et coordonner les projets réseau pour l'ensemble des sites du client. • Participer aux déploiements, migrations et évolutions d'infrastructure. • Collaborer avec les prestataires et partenaires techniques. • Assurer le suivi des actions ainsi que la documentation technique associée. • Accompagner et conseiller le client dans le choix et la mise en œuvre des solutions de connectivité : • Fibre FTTH • Fibre FTTO • Solutions 4G / 5G • Starlink • Recueillir les besoins techniques et proposer les solutions adaptées. • Réaliser les demandes de devis dans le périmètre de responsabilité. Référence de l'offre : x5m5x06xk6
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CDI

Offre d'emploiArchitecte technique - H/F

ECONOCOM INFOGERANCE ET SYSTEME
Publiée le

156k-156 260 €
Pierrelatte, Auvergne-Rhône-Alpes
Contexte : Au sein de l'équipe Architecture, vous intervenez sur la conception, la formalisation et l'évolution des architectures des systèmes d'information. Vous êtes un acteur clé garantissant la cohérence, la sécurité et la robustesse des infrastructures, dans le respect des standards et des exigences du groupe. Missions principales : Conception & Architecture : • Définir l'architecture technique des systèmes d'information • Analyser les besoins métiers et proposer des solutions adaptées • Modéliser les infrastructures : réseaux, serveurs, stockage, sécurité • Rédiger les dossiers et notes d'architecture • Identifier et formaliser des patterns réutilisables • Participer à la définition des standards techniques • Assurer une veille technologique continue Contribution aux projets : • Accompagner les chefs de projet dans les phases d'étude • Identifier les besoins (techniques, humains, processus) • Garantir l'intégration des règles de cybersécurité • Apporter un support technique et une expertise aux équipes • Assurer la cohérence des solutions avec l'architecture existante Gouvernance & Référentiels : • Définir et maintenir les référentiels techniques (normes, outils, sécurité) • Assurer la cohérence globale du SI • Réaliser les études d'impact technique • Préconiser les choix technologiques Conseil & Communication : • Conseiller les équipes (urbanistes, projets, techniques) • Promouvoir les bonnes pratiques d'architecture • Interagir avec de nombreux interlocuteurs internes (IT, sécurité, maintenance, projets) et externes (fournisseurs) Livrables attendus : • Dossiers d'architecture technique • Cartographies SI • Notes de préconisation • Référentiels techniques Environnement technique Compétences impératives : • Systèmes d'exploitation (expert) - Impératif • Rédaction & schématisation d'architecture (expert) - Impératif Compétences importantes : • Middleware & SGBD (confirmé)- Important • Réseaux LAN/WAN (confirmé)- Important Environnement technique : • Systèmes : Linux (Debian, Ubuntu, RHEL), Windows • Virtualisation : VMware, Hyper-V, Nutanix • Réseaux : VLAN, switching, WLAN • Sécurité : Firewall, IDS/IPS, EDR, WAF, VPN, reverse proxy • Containers : Docker, Kubernetes • Bases de données & middleware : bonnes connaissances requises Référence de l'offre : b3c5crzibq
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CDI

Offre d'emploi3rd Level Cisco Support Analyst

Nexus Jobs Limited
Publiée le

£25k-30k
Gloucestershire, Royaume-Uni
About the Job 3rd Line Cisco Support Analyst We require a 3rd Level Cisco Support Analyst for our Client based in Gloucester. You must have at least 2 to 3 years experience of supporting applications on a Cisco platform at 3rd line support level. Full understanding of the architectural and engineering design and integration process of communications solutions. Ability to multi-task, prioritizing multiple objectives and initiatives. Strong client service oriented and ability to interact with clients, staff, and management teams. Good verbal and written business communication skills. Ability to work independently, with a high degree of initiative, and within a collaborative team environment. Strong organizational and time management skills The ability to install and maintain complex solutions in an ever evolving market place, to problem solve in a logical manner in order to rectify customer issues efficiently. The responsibilities include developing the network design in conjunction with Product Management. To implement the network design in chosen locations. Work with Product Management to design the support processes and communicate these out to the support teams within Nine. To support partners in the implementation and support of their own customer installations including some out of hours on call duty. To monitor and maintain the hosted infrastructure and respond to and resolve any faults that may arise using diagnostic tools and vendor support. Must have the following skills: Cisco, Microsoft, Linux and other relevant certifications Server administration including Windows and Linux Knowledge of voice prioritization including QoS and VLANS Proficient in the operation and management of routers and switches (qualified to CCNA or equivalent) In-depth expertise in VoIP protocols (SIP, RTP, TFTP and related Protocols) and delivery and support of voice applications using these technologies Knowledge of IP based technologies, with an understanding of LAN/WAN methodologies and topologies as a minimum. Strong working knowledge of data communications including: TCP/UDP/IP, routing, tunneling, Please forward your CV to -hidden email- in Word format, along with your salary expectations.
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CDI

Offre d'emploiDesktop Support Analyst – Bank in the City London

Nexus Jobs Limited
Publiée le

£45k-50k
Grand Londres, Royaume-Uni
Desktop Support Analyst – Bank in the City London Our Client is an International Bank with its European Head Office based int eh City London. They are looking to recruit a Desktop Support Analyst with at least 5 to 8 years proven expertise within Desktop Support. The Support team operate a rota to cover the core hours from 7.30 am to 6.00 pm Monday to Friday. You will be working as a part of the Service Support Team and as such providing Desktop Support to around 130 users across several countries in Europe with the bulk in the City London. This position will require you to have experience in hardware builds for both PC's and Servers along with software installations and upgrades. It will also include login permissions along with training users in the use of software. The focus of the role will be to take control of all issues and problems raised by users and ensure that they are clearly documented and followed up with the appropriate action to resolve them within the Support Team. The Client uses Cisco and Microsoft platforms so you need to have experience of both Cisco and Microsoft software. In terms of the types of software the Client uses – the following is a list of the various software and tools that they would like you to have experience of: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. This is a permanent role and salary for this position is between £45K - £50K. Please send your CV to us in Word format.
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CDI

Offre d'emploiIT Support Engineer

Nexus Jobs Limited
Publiée le

£45k-55k
Grand Londres, Royaume-Uni
IT Support Engineer Our Client is an established bank based in Central London. They are looking to recruit an IT Support Analyst with at least 5 plus years hands-on expertise of working within IT Support and Infrastructure. The following are list of skills required for the position: · 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 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. The salary for this position with be circa £45K - £55K. This is a hybrid position and you will be required to be in the office at least 3 days a week. The position will be a 12 month full time contract – FTC initially. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiIT Support Engineer

Nexus Jobs Limited
Publiée le

£40k-50k
Grand Londres, Royaume-Uni
IT Support Engineer Our Client is an established bank based in Central London. They are looking to recruit an IT Support Analyst with at least 5 plus years of 1 and 2 level hands-on expertise of working within IT Support and Infrastructure from a banking environment. The following are list of skills required for the position: · 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 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. Experience of supporting Market Data and Bloomberg would be a great plus. The salary for this position with be circa £40K - £50K. This is a hybrid position and you will be required to be in the office at least 3 days a week. The position will be a 12 month full time contract – FTC initially. Do send your CV to us in Word format along with your salary and availability.
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