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Addition

Senior Network Engineer

Addition
United Kingdom · Full-time · Mid-Senior

Senior Network Engineer


Location: Leighton Buzzard

Salary: £55,000

Eligibility: Must be eligible for SC Clearance (Lived in the UK for the past 5 years)


Key Responsibilities:

  • Lead, coach, and performance-manage a team of engineers to deliver high-quality technical services, providing line management where required.
  • Plan and prioritise day-to-day team activities to ensure service and delivery requirements are met.
  • Design, build, configure, and support network and infrastructure solutions in line with architectural designs.
  • Own and resolve complex technical incidents and problems, including root cause analysis and preventative actions.
  • Identify recurring issues, investigate trends, and implement service improvements.
  • Produce and maintain technical documentation, knowledge articles, and change requests.
  • Provide expert technical advice and influence technical decisions across teams.
  • Monitor and report on service performance, consolidating KPIs and providing insight and recommendations.
  • Collaborate with internal teams and third-party suppliers to resolve issues and manage change.
  • Mentor junior engineers and deputise for the Lead/Principal Engineer when required.


Qualifications, Knowledge & Experience:

Essential

  • Experience designing and supporting solutions in highly secure environments.
  • Strong networking expertise (TCP/IP, BGP, OSPF, IPSEC).
  • Cisco technologies including switching, routing, ASA, Firepower, ISE, ACI.
  • Firewall technologies including Palo Alto and F5 BIG-IP (LTM/ASM).
  • Virtualisation and virtual networking (e.g. VMware).
  • Network monitoring (PRTG).
  • Cloud experience (Azure and/or AWS).

Desirable

  • ITIL 4 experience and knowledge of ITSM tools (e.g. ServiceNow).
  • Experience in performance reporting and stakeholder management.
  • Leadership experience, ideally within Government environments.



For further information on this Senior Network Engineer role apply below


We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.


By applying you are confirming you are happy to be added to the Addition mailing list regarding future suitable positions and marketing efforts. You can opt out of this at any time simply by contacting one of our consultants.

Key Skills

Ranked by relevance

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Posted
Feb 10, 2026
Type
Full-time
Level
Mid-Senior
Location
Milton Keynes
Company
Addition

Industries

Defense Space Manufacturing

Categories

Information Technology

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