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

Description de l'emploi : L'Ingénieur Système et Réseau est chargé de concevoir, déployer et maintenir les infrastructures informatiques de l'entreprise, incluant les systèmes et les réseaux. Il/elle est garant(e) de leur performance, de leur sécurité et de leur disponibilité, tout en appliquant les bonnes pratiques en matière d'administration et de cybersécurité. Il/elle intervient en support aux activités opérationnelles avec un fort niveau de technicité. Le poste couvre principalement les systèmes, les réseaux et les outils d'administration associés, au service du bon fonctionnement du système d'information. Activités significatives : Gestion des environnements cloud - Déployer, maintenir et superviser les plateformes et outils de cloud privé (VMWare/ESXi) - Gérer les accès et identités au sein des environnements cloud (IAM, IDP, Landing Zone) - Assurer la supervision et l'observabilité des plateformes afin de garantir la disponibilité des charges de travail Automatisation et exploitation - Développer des scripts en Bash, Python ou PowerShell pour automatises les tâches et opérations répétitives - Intégrer des mécanismes et outils d'automatisation en mode « Infrastructure as Code » (Ansible, Terraform) - Mise en place de workflow de données entre les différents systèmes (N8N, API etc.) - Assurer une traçabilité des changements de l'infrastructure (Git, CI/CD, IaC) Gestion des identités et droits d'accès - Administrer et exploiter les annuaires d'entreprise (Active Directory, Azure Entra ID) - Gérer et implémenter la logique de gestion des droits d'accès et permissions - Administrer et opérer les systèmes d'authentification fédérée via les protocoles SAML, OAuth ou SCIM (SSO) Administration réseaux et systèmes - Spécifier, configurer et exploiter des services réseaux (TCP/IP, VLAN, switching, firewall, IDS/IPS, DPI, proxy, VPN, ZTNA) - Administrer des systèmes d'exploitation en assurant la disponibilité et la sécurité des services (Linux/Windows) - Exploiter et opérer les plateformes de cloud privé (VMWare) Pilotage de l'exploitation informatique - Rédiger, mettre à jour et appliquer les procédures d'exploitation IT - Gérer les changements techniques selon les normes ITIL et ISO 27001 - Participer à l'amélioration continue des processus d'exploitation

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.

Information Security Manager with Network Engineering Skills Our Client is a 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 (eg, 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 (eg, 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), MITER 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 a 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 (eg, 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 (eg, 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), MITER 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.

🎯 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).

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

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

Context : Établissement hospitalier multi-sites nécessitant une forte disponibilité des systèmes d'information et des communications. Le poste est rattaché à la direction des systèmes d'information et réseaux, au sein d'une équipe dédiée réseau et télécom. L'environnement impose un haut niveau d'exigence en matière de continuité de service, avec des impacts directs sur les activités de soins. Mission : -Assurer le maintien en conditions opérationnelles des infrastructures réseau et téléphonie -Administrer les équipements : switches, routeurs, Wi-Fi, téléphonie IP -Superviser les environnements LAN/WAN/Wi-Fi (outils type PRTG, Zabbix) -Gérer les infrastructures opérateurs et liaisons (MPLS) -Intervenir sur les problématiques sécurité (firewall, Radius, proxy, ACL) -Assurer le support technique N2/N3 sur les incidents réseau et télécom -Participer aux projets d'évolution (réseau, Wi-Fi, SD-WAN, téléphonie) -Garantir la performance, la disponibilité et la sécurité des systèmes -Réaliser des interventions terrain (brassage, déploiement multisites) -Maintenir la documentation technique et assurer le reporting

Plus qu'un métier, itéa a pour vocation de déceler et révéler les bons profils, avec une curiosité qui va souvent au-delà des compétences et parfois entre les lignes d'un CV. Aujourd'hui, nous recherchons pour l'un de nos clients un Ingénieur Réseau H/F et vous présentons les points clés du poste : Les missions : Dans un contexte multisites à l'international : Administration de l'architecture WAN / SD-WAN Cisco Meraki couvrant plus de 240 sites en Europe et Amérique du Nord ainsi que 4 Datacenters. Administration des services réseau : MPLS/BVPN Orange, VPN IPsec, QoS et téléphonie IP. Administration des solutions Meraki, Fortinet et Palo Alto et sécurisation des flux IT/OT. Conception, exploitation et maintien en condition opérationnelle des infrastructures réseau critiques en environnements OT industriels. Supervision de l'ensemble de l'architecture réseau du groupe via Centreon et Grafana et support de niveau 3. Pilotage de l'intégration de nouveaux sites et filiales, coordination avec les opérateurs télécoms et les équipes locales. Automatisation des opérations réseau via Python, API Meraki et NetBox. Maintien de la documentation technique, des procédures d'exploitation et des cartographies réseau des Datacenters et sites distants. Accompagnement des prestataires OT et promotion des bonnes pratiques réseau et sécurité.