Trouvez votre prochaine offre d’emploi ou de mission freelance Routing & Switching (R&S)

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.

Dans le cadre d'un vaste programme de transformation de la Production IT, nous recherchons un Lead SRE / Coach SRE pour accompagner le déploiement des pratiques Site Reliability Engineering à l'échelle internationale. Vous intégrerez une équipe transverse d'experts en transformation IT en charge de moderniser les pratiques de production autour du SRE, DevOps, Cloud, Automatisation et Observabilité. Vos missionsAccompagner et coacher les équipes SRE sur plusieurs sites internationaux. Animer des ateliers, formations et workshops en français et en anglais. Déployer les bonnes pratiques SRE et contribuer à leur adoption auprès des équipes techniques et des managers. Définir et suivre la roadmap, les indicateurs de performance et les plans d'amélioration continue. Participer au recrutement et à l'évaluation technique des futurs ingénieurs SRE. Produire et maintenir la documentation, les standards et les référentiels SRE. Promouvoir une culture orientée fiabilité, automatisation et amélioration continue. Profil recherché7 ans d'expérience minimum en Production IT, SRE, DevOps ou Infrastructure. Solide expérience des environnements critiques et de la fiabilité des plateformes. Expérience en coaching, accompagnement ou animation de communautés techniques. Anglais courant indispensable (animation d'ateliers internationaux). Environnement techniqueSRE / DevOps / Agile Linux Python, Shell, YAML Kubernetes, Docker, Helm, ArgoCD Jenkins ou GitLab CI Ansible Git Vault Dynatrace, Nagios Réseaux (DNS, Firewall, Switching) Les plusExpérience dans la transformation des organisations IT. Capacité à influencer des équipes internationales et à accompagner le changement. Excellentes qualités de communication et de leadership technique.

Dans le cadre du renforcement de ses équipes informatiques, le client (secteur santé) recherche un Administrateur Systèmes & Réseaux polyvalent pour intervenir sur site. La mission consiste à assurer l'exploitation, l'administration, le maintien en conditions opérationnelles et l'évolution des infrastructures IT. Le consultant travaillera au cœur du système d'information et participera aux activités de support de niveau avancé, d'administration, de sécurisation et d'optimisation des plateformes techniques. Missions : Administrer et maintenir les infrastructures réseaux Cisco et Aruba. Superviser les équipements réseau, la connectivité et les performances. Assurer la gestion des VLAN, routage, commutation, Wi-Fi et règles d'accès. Administrer les plateformes de virtualisation VMware et Proxmox. Déployer, maintenir et optimiser les machines virtuelles. Administrer les serveurs Microsoft Windows. Gérer Active Directory, DNS, DHCP, GPO et services associés. Participer aux activités de sauvegarde, restauration et continuité de service. Diagnostiquer et résoudre les incidents de niveau 2/3. Produire la documentation technique et mettre à jour les procédures. Participer aux projets d'évolution d'infrastructure et de modernisation. Garantir l'application des bonnes pratiques de sécurité informatique. Assurer le support technique auprès des équipes locales. Environnement technique : Réseau : Cisco, Aruba, switching, VLAN, Wi-Fi, routage, supervision. Virtualisation : VMware vSphere, Proxmox. Systèmes : Windows Server 2016/2019/2022. Services Microsoft : Active Directory, DNS, DHCP, GPO, fichiers et impressions. Sauvegarde et PRA/PCA. Outils de supervision et d'administration. Environnements de production critiques à forte disponibilité Livrables et objectifs de la mission : Maintien d'un haut niveau de disponibilité des infrastructures, réduction des incidents récurrents, documentation à jour, participation aux projets et amélioration continue des performances du SI.

Job Title: IT Support Engineer - Third Line Location: Manchester Salary: £40,000 - £50,000 per annum DOE Job Type: Full Time, Permanent At Netteam tX, we recognize and develop talent, and look to retain talent through the creation of career opportunities, lateral and horizontal. Our culture is centered around our belief in continually refining our skills and knowledge, collectively as a team as well as individually. We actively encourage creativity and innovation, and we strongly believe that it is our people that make us great. About the role: You will provide senior third Line technical support across Netteam's managed client base, acting as the technical escalation point for complex incidents, recurring problems and engineering-level change. You will own advanced investigation through to resolution, drive Root Cause Analysis and Problem Management, and work with vendors and internal teams to deliver permanent fixes, reduce repeat demand and improve service resilience. You will maintain clear technical documentation and provide knowledge transfer to enable resolution at the lowest appropriate support tier. Responsibilities: Own complex First Line and Second Line escalations in the PSA system, with complete technical evidence, time entries, dependencies and next actions Lead advanced diagnosis and resolution across infrastructure, Microsoft cloud, networking, security, backup/DR and telephony, prioritised to SLA and customer impact Provide clear and timely customer updates throughout complex incidents, Problems and engineering activity Own assigned Problem records, identify recurring incidents, complete Root Cause Analysis, and maintain Known Errors and workarounds Validate escalations, provide technical guidance, and return those that do not meet agreed escalation standards Deliver permanent remediation through configuration change, scripting, automation, upgrades and vendor engagement, following Netteam change and security controls Maintain accurate IT Glue documentation and create technical knowledge, RCA and Known Error content to support effective shift-left Provide senior technical support during Major Incidents, including diagnosis, recovery validation and Post Incident Review / RCA activity Identify recurring demand, technical debt, security weaknesses and resilience risks, and propose improvements that reduce repeat incidents Work with AI & Automation to automate repeatable technical fixes and manual activity where appropriate Lead vendor and third-party technical engagement on complex issues while retaining ownership through to resolution Plan and prioritise BAU escalations, Problems, scheduled engineering activity and proactive service improvement Provide out-of-hours support to our clients on a rota basis, including critical technical escalation and clear handover Maintain Information Security, ISMS, data protection and change-control requirements and escalate material technical or security risk About you: Experience: Ability to work independently, take technical ownership and drive complex issues through to resolution IT related degree or relevant industry qualifications are highly desirable Demonstrable experience in senior second Line, third Line, infrastructure or MSP support, owning complex technical escalations Strong structured troubleshooting skills, including log analysis, evidence-based diagnosis and root-cause thinking Experience with Autotask, Datto RMM and IT Glue, including monitoring, scripting, time recording and technical documentation Experience of Problem Management, Root Cause Analysis, Known Error / knowledge creation and remediation validation Experience supporting Major Incidents and vendor or third-party technical escalations Detailed experience of Microsoft Windows Server/Desktop environments, Active Directory, Group Policy, DNS and DHCP Detailed experience with Microsoft 365, Azure and related technologiesExchange Online Microsoft Entra ID / Azure Active Directory and hybrid identity Conditional Access / MFA Microsoft Intune / Mobile Device Management Microsoft Defender, Information Protection / DLP Detailed experience with Backup/DRaaS technologies, Azure IaaS and restoration / recovery processes Strong networking knowledge including TCP/IP, DNS, DHCP, firewalls, routing/switching and monitoring Knowledge of S2S/P2S VPN, VLAN, LACP, NAT/PAT/ACLs, SSL Certificates, WatchGuard, Voice/3CX and email security is desirable Current and valid UK driving licence is desirable; PowerShell or equivalent scripting capability would be advantageous Experience of working within an MSP and/or Hospitality environment is advantageous but not essential Personal Attributes: Friendly, professional and credible with technical and non-technical clients Technically curious and proactive, with a strong drive to research unfamiliar technologies and improve solutions Strong written and verbal communication skills with the ability to explain complex technical issues clearly Recognizes the importance of frequent and clear communication during incidents, escalations and dependency-driven work Analytical and evidence-led, focused on identifying underlying causes rather than repeatedly treating symptoms Actively shares knowledge and supports First and Second Line development without creating technical silos Disciplined, with the ability to prioritise and execute technical tasks effectively under pressure Accountable and outcome-focused, taking ownership through to validated resolution Note: This description is not intended to establish a total definition of the job but an outline of the duties. In line with our recruitment policy and client expectation, some roles will be subject to a basic DBS disclosure. Please click on the APPLY button to send your CV and Cover Letter for this role. Candidates with experience of: Infrastructure Engineer, Windows Server Infrastructure Engineer, Server Support Technician, ICT Systems Engineer, 3rd Line Support, Field Support Technician, Technical Support Engineer, 3 Line Support Engineer may also be considered for this role.

Dans le cadre d'un projet européen d'interconnexion sécurisée entre plusieurs entités internationales, nous recherchons un Architecte Expert Réseau & Sécurité pour accompagner l'évolution des infrastructures réseau et sécurité du groupe. Vous interviendrez sur la conception et l'évolution des architectures LAN/WAN, participerez aux projets d'interconnexion entre sites internationaux et définirez les architectures de sécurité réseau associées. Vous réaliserez les études techniques et analyses d'impact nécessaires aux évolutions d'infrastructure, produirez les DAT et documents d'architecture, et accompagnerez les équipes techniques lors de l'intégration et des déploiements. Le poste implique une forte dimension internationale, avec la participation à des réunions techniques en anglais et une coordination avec des équipes basées dans plusieurs pays européens. Vous serez également amené à défendre vos choix d'architecture auprès des parties prenantes techniques et métier.

Information Security Manager with Network Engineering Skills Our Client is bank based in Central London who are looking to recruit a seasoned professional with at least 7 to 10 years expertise level Information Security coupled with Hands-on Network Engineering. The role is mainly Information Security – Data Security and split circa 80% with 20% Network Engineering – so you do need to be hands-on technically. You will ideally have circa 5+ years of work experience with Network Engineering coupled with over 10 years experience with Cisco Systems Products Role Description The Information Security Manager with Network Engineering Skills is a full-time hybrid role based in London, with the flexibility to work from home part of the week. The role oversees the design, implementation, and continuous improvement of information security policies, procedures, and controls across networks and systems. Day-to-day responsibilities include managing the Information Security Management System (ISMS), monitoring cybersecurity and network security events, coordinating incident response, and ensuring compliance with relevant standards and regulations. The person in this role will collaborate with IT and business stakeholders to assess risks, implement technical and procedural safeguards, and support secure network architecture and configuration. Additional tasks include producing security documentation, leading security awareness initiatives, and providing guidance on secure network engineering practices. Qualifications Strong skills in Information Security Management and Information Security, with experience defining and enforcing security policies and governance. Hands-on expertise with Information Security Management Systems (ISMS), including implementation, maintenance, and audit readiness. Proficiency in Cybersecurity and Network Security, covering threat detection, vulnerability management, network hardening, and incident response. Demonstrated network engineering experience (e.g., routing, switching, firewalls, VPNs, secure network design). Relevant certifications such as CISSP, CISM, CISA, CompTIA Security+, or similar are beneficial. Experience with regulatory and compliance frameworks (e.g., ISO 27001, GDPR, NIST) and security best practices. Ability to analyze complex technical environments, communicate clearly with both technical and non-technical stakeholders, and document security requirements and processes. Bachelor's degree in computer science, information security, engineering, or a related field, or equivalent professional experience. Key Networking Skills Required: Cisco Network Switches Layer 2 and 3 (Catalyst 9K) – CCNP Level, Expert Level Preferred Routing protocol – OSPF (Catalyst 9K) – CCNP Level, Expert Level Preferred Cisco Switch Stacking (Cat 9K Switches 9600, 9300. 9200) Virtual Routing and Forwarding – (Catalyst 9600) Internetworking Troubleshooting - CCNP Level, Expert Level Preferred High Availability and Disaster Recovery - CCNP Level, Expert Level Preferred Security/Cyber Security Skills Required: Cisco Firepower Firewalls (ASA, FTD) - CCNP Level, Expert Level Preferred Palo Alto Firewalls – Specialist Level, Architect Level Preferred Cisco Layer 2 Port Security Network Access Control including Cisco ISE, TACACS etc Network Detection and Response Network Encryption (Site to Site VPN's) Cisco Secure Client (ASA) Network IPS (Trellix) Network Zero Day (Trellix NX or similar) Host Zero Day (Trellix HX or similar) Cyber Security Network Control Incident Investigation with the assistance of group cyber security experts – Tier 1, Tier 2 to 3 preferred, using LogRhythm SIEM a bonus Host End Point Protection (Symantec) Host IPS Preferred Skills and Knowledge Vulnerability Management (Scanning for Vulnerabilities and classifying the risk, CIS Benchmark Scanning and compliance) – Using Rapid7 a bonus Knowledge of Penetration Testing, understanding of the types of testing and their advantages and disadvantages Security Zone Design and considerations Network and Security Architecture Design and Considerations Understanding of Information Security (Confidentiality, Integrity, Availability), MITRE ATT&CK, NIST, ISO 27001, SIEM use cases for key controls etc Risk Management in Cyber Security, SSL Blind spots, what causes them and how to mitigate Malware/Ransomware and how to mitigate along with Penetration testing concepts Understanding of White/Black/Grey Box penetration testing. Developing Security policies and procedures and conducting audits/risk assessments Handling crisis situations during security incidents The role is hybrid 3 days in the office in Central London. The salary for this role will be in the range £85K - £100K + Benefits. Do send your CV to us in Word format along with your salary and notice period.

Information Security Manager with Network Engineering Skills Our Client is bank based in Central London who are looking to recruit a seasoned professional with at least 7 to 10 years expertise level Information Security coupled with Hands-on Network Engineering. The role is mainly Information Security – Data Security and split circa 80% with 20% Network Engineering – so you do need to be hands-on technically. You will ideally have circa 5+ years of work experience with Network Engineering coupled with over 10 years experience with Cisco Systems Products Role Description The Information Security Manager with Network Engineering Skills is a full-time hybrid role based in London, with the flexibility to work from home part of the week. The role oversees the design, implementation, and continuous improvement of information security policies, procedures, and controls across networks and systems. Day-to-day responsibilities include managing the Information Security Management System (ISMS), monitoring cybersecurity and network security events, coordinating incident response, and ensuring compliance with relevant standards and regulations. The person in this role will collaborate with IT and business stakeholders to assess risks, implement technical and procedural safeguards, and support secure network architecture and configuration. Additional tasks include producing security documentation, leading security awareness initiatives, and providing guidance on secure network engineering practices. Qualifications Strong skills in Information Security Management and Information Security, with experience defining and enforcing security policies and governance. Hands-on expertise with Information Security Management Systems (ISMS), including implementation, maintenance, and audit readiness. Proficiency in Cybersecurity and Network Security, covering threat detection, vulnerability management, network hardening, and incident response. Demonstrated network engineering experience (e.g., routing, switching, firewalls, VPNs, secure network design). Relevant certifications such as CISSP, CISM, CISA, CompTIA Security+, or similar are beneficial. Experience with regulatory and compliance frameworks (e.g., ISO 27001, GDPR, NIST) and security best practices. Ability to analyze complex technical environments, communicate clearly with both technical and non-technical stakeholders, and document security requirements and processes. Bachelor's degree in computer science, information security, engineering, or a related field, or equivalent professional experience. Key Networking Skills Required: Cisco Network Switches Layer 2 and 3 (Catalyst 9K) – CCNP Level, Expert Level Preferred Routing protocol – OSPF (Catalyst 9K) – CCNP Level, Expert Level Preferred Cisco Switch Stacking (Cat 9K Switches 9600, 9300. 9200) Virtual Routing and Forwarding – (Catalyst 9600) Internetworking Troubleshooting - CCNP Level, Expert Level Preferred High Availability and Disaster Recovery - CCNP Level, Expert Level Preferred Security/Cyber Security Skills Required: Cisco Firepower Firewalls (ASA, FTD) - CCNP Level, Expert Level Preferred Palo Alto Firewalls – Specialist Level, Architect Level Preferred Cisco Layer 2 Port Security Network Access Control including Cisco ISE, TACACS etc Network Detection and Response Network Encryption (Site to Site VPN's) Cisco Secure Client (ASA) Network IPS (Trellix) Network Zero Day (Trellix NX or similar) Host Zero Day (Trellix HX or similar) Cyber Security Network Control Incident Investigation with the assistance of group cyber security experts – Tier 1, Tier 2 to 3 preferred, using LogRhythm SIEM a bonus Host End Point Protection (Symantec) Host IPS Preferred Skills and Knowledge Vulnerability Management (Scanning for Vulnerabilities and classifying the risk, CIS Benchmark Scanning and compliance) – Using Rapid7 a bonus Knowledge of Penetration Testing, understanding of the types of testing and their advantages and disadvantages Security Zone Design and considerations Network and Security Architecture Design and Considerations Understanding of Information Security (Confidentiality, Integrity, Availability), MITRE ATT&CK, NIST, ISO 27001, SIEM use cases for key controls etc Risk Management in Cyber Security, SSL Blind spots, what causes them and how to mitigate Malware/Ransomware and how to mitigate along with Penetration testing concepts Understanding of White/Black/Grey Box penetration testing. Developing Security policies and procedures and conducting audits/risk assessments Handling crisis situations during security incidents The role is hybrid 3 days in the office in Central London. The rate for this role will be in the range £500 pd to £650 pd. This is a 3 month assignment. Do send your CV to us in Word format along with your salary and notice period.

Job Title: IT Maintenance Engineer Location: Plymouth office and field based, supporting partner locations as required Salary: £32,000 to £35,000 per annum (depending on experience) Job Type: Full-time, Permanent Working Hours: 8.5 hours per day, 40 hours per week within our opening hours of 8am - 6pm with a 30-minute lunch. Monday to Friday with additional On Call and Overtime support available Who are we: Flotek Group is one of the fastest-growing Tech Companies in the UK, providing IT, Cybersecurity and Comms technology to small & medium businesses. With sales and support locations across the country, our ambitious growth is driven by our core values and fundamental principles. We deliver every product and service with expertise, passion, and heart. When you join Flotek Group you join our "Purple Army" and become part of a team driven by a set of values that guide our every interaction, both with each other and with our partners. We enjoy a collaborative, fast-paced working environment, where we can expect to learn to be exceptional, earn trust through actions and receive recognition when our work gets a "Wow!" About the Role: The IT Maintenance Engineer is a hybrid field-based and remote support role based from the Plymouth office, responsible for maintaining, supporting and improving partner technology environments. The role combines proactive maintenance, infrastructure support, end-user support and basic communications engineering. Travel across the south-west of England is required, with a company van provided for business use. Key Responsibilities: Undertake scheduled maintenance visits to partner sites as required. Provide remote IT and communications support via phone, email and remote tools. Perform infrastructure health checks and preventative maintenance activities. Support Microsoft 365, Windows, networking and end-user technologies. Assist with VoIP, internet connectivity and telephony troubleshooting. Maintain accurate documentation and ticket updates within HaloPSA. Support project delivery, installations and technology refresh programs. Act as Flotek's on-site technical representative and trusted advisor. Travel Requirements: Regular travel to partner locations as required, primarily from the Plymouth office base, using a company-provided van. Full driving license required. Company van provided for business travel. The van is to be used in line with Flotek company vehicle policies. Occasional overnight stays may be required. About you: Essential Skills & Experience: 3+ years in MSP, Infrastructure, IT Support or Field Engineering. Strong Microsoft 365 administration and troubleshooting skills. Windows desktop and server support experience. Knowledge of Active Directory and Microsoft Entra ID. Networking fundamentals including switching, wireless, VLANs and firewalls. Excellent communications and documentation skills. Desirable Skills: VoIP and hosted telephony experience. Experience with Gamma, CallSwicth, and Teams Voice or similar platforms. Ticketing system experience. Cyber security awareness and best-practice knowledge. Benefits: Birthday day off. Additional day off for personal life milestones. "Give Back Day" for supporting a charity of your choice. Perkbox discounts. Company van provided for business use. 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; IT Field Engineer, Field Engineer, Network Support Engineer, 2nd Line Engineer, ICT Support Engineer, IT Engineer, Technical Support Engineer, may also be considered for this role.

Contexte de la mission Définition du profil : - Assiste le responsable d'infrastructure réseau, dans l'exploitation, l'administration et l'évolution des infrastructures réseau - Assure le suivi des petits travaux réseau (30% de l'activité) Descriptif des prestations attendues : - S'assurer de la disponibilité des équipements réseau (switchs, firewall, Wifi …) - Coordonne avec l'infogérant le traitement des incidents techniques, s'assure du suivi - Veille à la disponibilité de l'infrastructure - Partipe à la modernisation des infrastructures et aux projets de déploiement - Participe à la sécurisation de l'architecture réseau - Participe au suivi des prestataires dans le cadre des petits travaux réseau Compétences réseau : - Protocoles : TCP/IP, BGP, OSPF, MPLS, VXLAN, STP, QoS… - Infrastructures LAN/MAN/WAN (Cisco, Aruba) - Firewalling (Fortinet) Compétences transverses : - Capacité d'analyse - Capacité à vulgariser des sujets complexes - Rigueur documentaire - Travail en équipe - Esprit d'initiative

🎯 MISSIONS : Intégré(e) aux équipes d'un de nos clients grand compte votre mission s'inscrira dans le cadre de projets d'évolution et de maintien en conditions opérationnelles des infrastructures réseau et sécurité. L'équipe que vous intégrerez est chargée de l'architecture/design du réseau, de la qualification technique et de l'intégration des architectures en laboratoire. Le détail de vos missions sera le suivant : - Réaliser les qualifications d'équipements (routeur, commutateur, firewalls). - Monter et tester des maquettes de référence conformes aux dossiers d'architecture. - Rédiger les documentations afférentes (ex : rapport de qualification). - Assurer le support N3 aux équipes de production. - Assurer des astreintes ou des présences sur horaires décalés (ponctuellement). Environnement technique à maîtriser : - Equipements Juniper (routeur, firewall, switch) - WAN avec la connaissance des protocoles IS-IS, MPLS, BGP - Debugging des échanges TCP/IP - Protocoles de supervision - Utilisation des API Compétences appréciés : - Expérience dans un environnement opérateur télécom. - Automatisation réseau (Ansible, scripting).

Dans le cadre d'un programme stratégique regroupant plusieurs projets d'infrastructures énergétiques et Télécom, nous recherchons un Architecte SI / Télécom senior capable d'apporter une vision transverse et de garantir la cohérence globale des architectures. Vous interviendrez en appui de plusieurs équipes projets afin d'assurer l'alignement des solutions techniques, des exigences et des référentiels d'architecture. Votre rôle sera d'apporter une prise de recul sur les choix techniques et d'assurer une cohérence durable à l'échelle du SI. Vos responsabilités Garantir la cohérence globale des architectures SI/Télécom Apporter une vision transverse sur plusieurs projets simultanément Accompagner les équipes dans la définition des architectures Télécom Participer à la rédaction et à l'harmonisation des exigences techniques Coordonner les expertises sur les sujets techniques complexes Réaliser des études d'architecture et expertises ponctuelles Challenger les solutions proposées afin de garantir leur cohérence avec le référentiel global Capitaliser et partager les bonnes pratiques d'architecture Participer à la définition des architectures LAN / WAN et IP/MPLS Produire et relire les documents HLD, LLD et documents d'ingénierie Participer aux revues techniques avec les fournisseurs Assurer une veille technologique Participer aux instances de pilotage et ateliers techniques