> Markdown version of [/jobs/ext/2140457-senior-network-engineer](https://www.wearedevelopers.com/jobs/ext/2140457-senior-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - **Company:** CACI - **Location:** Birmingham, UK - **Experience:** Expert - **Salary:** £55,000.0 - £95,000.0 - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Catalyst (Software), Cloud Computing, Continuous Integration, Data Centers, Dynamic Host Configuration Protocol, Enhanced Interior Gateway Routing Protocol, EtherChannel, Trunking, Monitoring of Systems, Hot Standby Router Protocol, Network Topologies, Subnetting, Python (Programming Language), Network Diagrams, Network Planning and Design, Packet Analyzer, Cisco Nexus Switches, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Ansible, TCP/IP, Virtual Local Area Networks, Virtual Router Redundancy Protocols, YAML, Scripting, Computer Network Operations, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), Git, Terraform, Cisco - **Published:** August 20, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5849541883 ## About the Role * Strong routing and switching knowledge, including OSPF, BGP, EIGRP, summarisation, redistribution, route maps and path selection. * Experience configuring VLAN trunking, EtherChannel and Layer 2 redundancy. * Experience with enterprise LAN, WAN and data centre architecture. * Knowledge of data centre technologies including Cisco Nexus, Catalyst, vPC, VXLAN/EVPN, ACI and fabric architectures. * Experience in network migration and transformation projects. * Ability to analyse, review and understand network topologies. * Experience designing rack layouts and structured cabling for medium data centres. * Ability to coordinate multiple projects, change management and governance, working independently and as part of a team. * Strong TCP/IP, subnetting, VLAN, VRF, ACL, NAT, DNS and DHCP knowledge. * Advanced troubleshooting skills using packet captures, logs, flow data and monitoring tools. * Experience with resilient network design including HSRP/VRRP, port-channeling and redundant uplinks. * Firewall, security zoning, rulebase and traffic-flow validation experience. * Experience producing LLDs, implementation plans, test plans, handovers, as-built documentation and network diagrams. * Good customer-facing skills with the ability to keep customers informed and understand their requirements. * Desirable: automation or scripting experience in Python. * Desirable: exposure to Ansible, Terraform, YAML, NetBox, Git or CI/CD pipelines. ## Description * We plan, manage and deploy technology changes to support data centre services. * We deploy LAN infrastructure to support end-user service requirements. * We manage patching schedules for facilities to cable network equipment. * We create diagrams for Network Operations. * We manage inventory. * We create detailed implementation plans for RFCs. * We document pre-checks and post-checks for change verification. * We document back-out plans, including back-out points and points of no return. * We plan changes to support the stability and uptime of essential services. * We identify opportunities to complete changes with zero downtime to hosted services. * We plan and implement changes using a cost-effective resource strategy. * We identify, understand and document change risks and mitigation tactics. * We document the impact of planned technology changes and expected verification outputs. * We document the network estate to support operations and change planning. * We peer review and validate technical deployment plans. * We provide constructive feedback to peers to maintain high standards of detail and quality. Technologies: * Ansible * Business Intelligence * CI/CD * Cloud * Cisco * Fabric * Firewall * Flow * Git * Support * LAN * Marketing * NAT * Network * Nexus * Python * Security * TCP/IP * Terraform * LESS ## 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) - [CI/CD with Github Actions](https://www.wearedevelopers.com/videos/856-ci-cd-with-github-actions) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [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) - [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) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) ## 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) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [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) - [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)