> Markdown version of [/jobs/ext/4612453-senior-network-engineer](https://www.wearedevelopers.com/jobs/ext/4612453-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:** Leidos, Inc. - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £58,400.0 - £74,900.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Agile Methodology, Data Centers, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Windows Servers, Routing, Network Administration, Red Hat Enterprise Linux, Verification and Validation (Software), Wide Area Networks, Load Balancing, Computer Network Technologies, System Availability, Juniper, SolarWinds (Software), Fortinet - **Published:** November 7, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-network-engineer/55339357 ## About the Role someone with a passion for Network Engineering, ideally from an enterprise data centre background. You will be self-motivated and be able to work autonomously to achieve day to day objectives with significant results on project or operational deliverables. Whilst also owning a variety of activities ensuring compliance with project milestones and customer KPIs and SLAs. You must be an effective communicator, comfortable directly engaging with customers and colleagues. You must also demonstrate an analytical and systematic approach to technical challenges.WHAT WILL YOU BE DOING?Key ResponsibilitiesProviding network engineering skills and produce low level designs as part of the delivery teamWork with delivery teams to implement modern, highly available, scalable networks using a range of new and emerging technologies including automationInput into network management and acceptance aspects including setting standards and providing your technical expertise to Leidos programme teamsUtilise the concepts and principles of verification and validation to deliver relevant network designsCollaborate with customers on all aspects of network management including the assurance and integration of infrastructure services to meet the needs of multiple lines of businessRecognise and exploit business opportunities by leveraging architecture and design best practiceCommunicate effectively across organisational, technical and political boundaries, understanding the context.What We Are Looking ForStrong knowledge and demonstrable experience of data centre and campus networking technologies: Juniper (routing, switching, firewalls), Fortigate (Next Gen firewalls), F5 (global and local load balancing), encryption;Strong understanding of routing protocols (static and dynamic) in data centre, campus and wide area networks; With a thorough understanding of BGP.Strong experience of operating high availability data centre networks supporting critical workloads on Windows, Linux and SAN including technical refresh of large numbers of devices;Strong experience of monitoring and management tooling including Solarwinds, FMC, Panorama;Have good general knowledge of Windows Server Environments, (including OS build, AD, DNS, DHCP and GPO) and Linux (RHEL) data centre server infrastructures;Have excellent analysis and problem-solving skills, taking ownership of complex incidents ensuring these are resolved to the satisfaction of the customer;Possess excellent written and verbal communication skills;Knowledge and experience of working in Agile and or Scaled Agile delivery teams where secure by design is the approach to delivery..Clearance and LocationEmployment type: Full time, permanent.Location: Farnborough, United Kingdom.Dynamic working: This is a hybrid role requiring onsite attendance in Farnborough for a minimum of four days per week. Additional onsite attendance may be required to meet customer, programme or security ## Description hosted IT application and infrastructure solution providing support to a critical operational end user. The preferred candidate will demonstrate effective application of Network Engineering expertise and extensive knowledge across a variety of data centre, wide area, storage area and campus networking technologies: routing (dynamic protocols), switching, load balancing and firewalls.The role will provide technical exposure variance across both outcomes-based project activities and operational (Business as Usual) support activities.Your passions and experience will help you become a technical specialist and process owner with our operations support services including service improvement and add further value to our service offerings. You will be expected to contribute towards the creation and ongoing maintenance of technical documentation (HLDs, LLDs, Work Instructions) and provide material to support the project work or the operational support service.We are looking for