Haystack
← Back to Jobs
Full time
Technology
LE

Computer Network Architect

LeidosFarnborough, HAM🇬🇧United KingdomPosted 12 Aug 2026

Why This Role Stands Out

Elevate your career as a Computer Network Architect at Leidos, where you'll shape secure, critical network services for UK government and defence, offering significant growth and impact. This hybrid role is ideal for experienced professionals eager to apply their expertise in Cisco, Fortinet, and Palo Alto technologies within a dynamic environment, with a competitive salary of GBP 44,700 - 57,300. Embrace this opportunity to contribute to cutting-edge projects and advance your skills in a reputable organization.

Quick Overview

Salary
£44.7k - £57.3k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Farnborough, HAM, United Kingdom
Posted
1 month ago
Load BalancingPKI

Job Description

Computer Network Architect | Farnborough, HAM, United Kingdom | Hybrid | £44,700.00-£57,300.00

This organisation is a leading technology and solutions provider for government and commercial sectors, focused on delivering innovative digital and mission solutions. They are known for tackling complex challenges in defense, healthcare, government, safety, and transportation. The company fosters a collaborative culture that values innovation, purpose, and employee growth, aiming to build a safer world through cutting-edge technology.

The Role

  • Lead network management and service acceptance activities, setting technical standards and providing subject-matter expertise.
  • Design, validate, and assure network solutions in secure environments using formal verification and validation principles.
  • Produce and maintain high-quality technical documentation, including High-Level Designs (HLDs) and Low-Level Designs (LLDs).
  • Support the operation and continuous improvement of live network services, ensuring availability, resilience, and compliance.
  • Take ownership of complex incidents, driving investigation and resolution.
  • Communicate effectively across technical, organisational, and customer boundaries.

What You'll Need

  • Strong experience with data centre and campus networking technologies (Cisco, Fortinet, Palo Alto, Juniper, F5/Citrix).
  • In-depth understanding of network protocols (OSPF, BGP, EIGRP, Static routing, VLAN, STP, LACP, VPLS, VPN, PKI, load balancing).
  • Experience implementing and supporting AAA services (TACACS+) in secure or regulated environments.
  • Proven experience operating high-availability data centre networks and hands-on experience with monitoring tools (SolarWinds, PRTG).
  • Excellent documentation skills with the ability to produce clear, accurate, and auditable technical artefacts.
  • Strong analytical and problem-solving capabilities, with a self-starter mentality.

What's On Offer

  • Hybrid working model with flexibility for remote work.
  • Participation in an on-call support rota.
  • Opportunity to work on critical projects within secure environments.
  • Competitive salary range and benefits package including pension, private medical insurance, and generous annual leave.

Apply via Haystack today!

Similar jobs