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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** CGG SA - **Location:** Haywards Heath, UK - **Experience:** Experienced - **Salary:** £46,333.0 - **Contract:** Permanent contract - **Skills:** Microsoft Azure, Border Gateway Protocol, Cloud Computing, System Configuration, Data Centers, Virtual Private Networks (VPN), Local Area Networks, Network Security, Network Architecture, Network Monitoring, Routing, Network Service, Open Shortest Path First (OSPF), TCP/IP, Virtual Local Area Networks, Wide Area Networks, Scripting, Computer Network Operations, Computer Network Technologies, Software Troubleshooting, Firewalls (Computer Science), Juniper, Information Technology, Performance Monitor, Cisco - **Published:** August 1, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5823144739 ## About the Role * Approximately 3-5 years' experience supporting enterprise, datacentre, cloud-connected or service provider network environments. * Hands-on experience configuring, supporting and troubleshooting production network infrastructure. * Good understanding of routing, switching, WAN, firewall and network security fundamentals. * Practical knowledge of technologies such as BGP, OSPF, VLANs, QoS, VPNs and TCP/IP. * Experience using monitoring, alerting or operational management platforms. * Strong troubleshooting, analytical and problem-solving skills. * Ability to work effectively within a collaborative technical team. * Strong written and verbal communication skills. * Experience with Arista, Aruba/HPE, Cisco, Dell, Palo Alto or Juniper technologies. * Exposure to SD-WAN and hybrid networking environments. * Familiarity with Azure networking or cloud connectivity solutions. * Knowledge of datacentre networking technologies such as VXLAN, EVPN or MLAG. * Experience with telemetry, observability or performance monitoring platforms. * Experience with scripting or automation. * Industry certifications such as CCNA, CCNP, ACSP, ACMP, or PCNSA. * Degree in Computer Science or a related discipline, or equivalent practical experience. Personal Attributes * Curious and motivated to keep learning. * Practical, hands-on, and service focused. * Takes ownership and delivers work reliably. * Collaborative and able to build effective working relationships. * Proactive in identifying improvements and resolving issues. * Comfortable working in a global technical environment. * Able to balance operational support with project delivery. * Committed to continuous professional development. ## Description Viridien is seeking a Network Engineer to support the operation, reliability, and continuous improvement of its global enterprise and data centre network infrastructure. Based within the Network Operations team at the UK HPC Hub, this role is responsible for supporting enterprise, data centre, cloud-connected, security, and SD-WAN environments. You will contribute to operational support, infrastructure projects, and technology lifecycle activities while helping improve the resilience, performance, and security of Viridien's global network. About The Team You will join the Network Operations team, responsible for delivering reliable, secure, and high-performing network services that support Viridien's global business, operational, and research activities. Working as part of a global engineering team, you will collaborate with infrastructure teams, vendors, and business stakeholders to support day-to-day operations and ongoing network improvements., * Support, maintain and troubleshoot enterprise network infrastructure across WAN, LAN, wireless, datacentre, cloud-connected and security environments. * Deploy, configure and monitor routing, switching, firewall and network security platforms. * Investigate network incidents, contribute to root cause analysis and support preventative improvement actions. * Monitor network availability, performance, health and capacity across critical services. * Participate in infrastructure projects, hardware refreshes, migrations and service improvement initiatives. * Work with senior engineers to implement network enhancements and introduce new technologies. * Maintain accurate technical documentation, diagrams, standards and operational procedures. * Support network security, resilience, compliance and lifecycle management activities. * Collaborate with vendors, service providers and internal stakeholders to support operational and project requirements. * Participate in an on-call support rota and occasional out-of-hours maintenance activities. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk)