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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineering Specialist - **Company:** Datasource - **Location:** London, UK - **Salary:** £60,000.0 - £80,000.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Cloud Computing Security, Computer Networks, DevOps, Internet Protocol, Internet Protocol Security (IP SEC), Intrusion Detection Systems, Network Security, Network Architecture, Routing, Network Virtualization, Ansible, Wide Area Networks, In-Plane Switching (IPS), Firewalls (Computer Science), Puppet, Terraform, Open Network Automation Platform, Cisco, Vmware - **Published:** July 2, 2026 - **Apply:** https://www.datasourcerecruitment.co.uk/jobs/network-engineering-specialist/ ## About the Role · Experience with enterprise and operator-scale routing protocols including OSPF, BGP, IS-IS, LDP or RSVP. · Strong knowledge of LAN switching including RSTP/MSTP, LAG, MC-LAG and first-hop resilience protocols. · Experience implementing network security including MACSEC, IPSEC and 802.1x. · Knowledge of network security design including firewall, IDS and IPS configuration and management. · Experience designing, building and providing third-line support for complex, resilient IP networks. · Experience integrating networks and management software in on-premise environments. · Strong documentation skills with careful attention to change management processes. · Strong communication skills with the ability to engage technical teams and senior customers alike. Additional benefits · Exposure to Software Defined Networking principles, ideally with VMware NSX. · Experience with network automation and Infrastructure-as-Code tooling such as Ansible, Terraform, Puppet or Chef. · Transferable automation experience with Cisco DNA Centre. · Experience working in a DevOps environment alongside software and infrastructure teams. · Relevant industry certifications such as CCNP, CCIE or equivalent. ## Description Our client is one of the UK's most recognised and influential communications organisations - a household name that keeps the country connected and is right at the heart of the nation's digital infrastructure. This isn't a small fish; this is a business that operates at serious scale and is actively shaping what comes next in networking and technology. The Engineering team works across a wide variety of platforms and technology stacks, maintaining and developing both bespoke and off-the-shelf capabilities for some incredibly demanding customers. The team is London-based, collaborative, and built around a genuine culture of technical excellence - if you're the kind of engineer who wants to work on complex, meaningful problems with smart people around you, this is the place. To be considered, you'll need strong hands-on experience across enterprise routing protocols (think OSPF, BGP, IS-IS), LAN switching, and network security - including firewalls, IPSec and 802.1x. Exposure to SD-WAN, automation tooling like Ansible or Terraform, and third-line support for complex IP networks will put you right at the front of the queue. You'll also need to hold or be eligible for DV clearance, so that's a must. Sound like you? APPLY TODAY and let's talk., · Design, build, test and maintain all network infrastructure components end-to-end. · Implement new and enhanced network technologies aligned to customers' strategic connectivity goals. · Manage installation and configuration of physical and virtual network hardware including firewalls and routers. · Drive implementation of core and cloud infrastructure security to manage risk and exposure. · Contribute to technology lifecycle planning and network health assessments and roadmaps. · Deliver documentation, knowledge transfer and training to support new solutions into operations. · Mentor junior engineering professionals and act as a technical resource for the wider team. · Champion emerging trends and keep the team current on developments in network engineering. ## 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) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey) - [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) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-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) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)