Network Engineer
Leidos3 LocationsPosted 9 March 2026
Job Description
Network Engineer
Programme Name: UK CIO
Location: Whiteley Hampshire or Glasgow, with flexibility to work from home dependent on business demands
Salary: £41,300 - £53,000
Explore and Discover what it’s like working for Leidos…
The Role:
We are in search of a Network Engineer to join Leidos UK within the CIO Team, based in Whiteley, UK.
What will I be doing?
Maintaining network infrastructure across on-prem and cloud environments.
Monitor network performance and proactively resolve issues.
Take ownership of vulnerability management for all network devices.
Deliver the day-to-day network operations service in line with agreed policies, processes and procedures.
Implementing changes to the network environment.
Part of a team with the responsibility for engineering of SD-WAN, WLAN, LAN, NAC, IPAM and other Network Services (e.g. Splunk, PRTG)
Configure, manage and troubleshoot Palo Alto Firewalls and Authentication services.
Provide Network support for UK wide projects working closely with multiple teams.
What Sets You Apart:
Hands on experience in configuring and troubleshooting VPC, VDC, BGP, EIGRP, VRF and other key mainstream protocols
Hands on experience in deploying, configuring and troubleshooting Palo Alto firewalls
Thorough and demonstrable understanding of Cisco Enterprise LAN and Data Centre environments, 3rd line support level including deployment, administration and troubleshooting
Thorough and demonstrable understanding of WAN connectivity and routing protocols also with experience and understanding of the implementation, configuration and management of virtual and physical networking solutions
Focusing on secure accredited environments including security boundaries and rulesets
Experience of planning changes and communicating plans with project management and wider team. This can come from consolidating networks, changing IP addressing schemes etc.
Hands on experience in troubleshooting Layer 2/3 switching and routing and IPSEC tunnels
Excellent communications skills, organisational skills and autonomous working
Can tackle complex problems and incidents sometimes with limited detail
Experience of working under pressure to meet deadlines while handling multiple priorities
Keen interest in investigating and proposing new products and solutions as well as staying current by taking up training opportunities
Ability and desire to help less experienced colleagues learn and develop
You Might Also Have:
Hands on experience in deploying and troubleshooting SDWAN
Hands on experience of SDDC with NSX, VXLAN and virtual firewalls
Experience working in global companies and ensuring global standards and requirements are met
Understanding of load balancers and Global Servers Load Balancing
Experience or desire to learn automation techniques of network tasks
Understanding/experience of Network Access Controls
Understanding/experience of TACACS Authentication
Understanding of wireless networking
Experience in ITIL ICT service delivery on critical infrastructure
Understanding of MFA and PKI
Clearance Requirements:
Clearance to Start BPSS
Clearance for Role SC
Take control of your career, send us your CV today.
What we do for you:
At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.
We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:
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Contributory Pension Scheme
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Private Medical Insurance
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33 days Annual Leave (including public and privilege holidays)
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Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
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Flexi-Time Working
Commitment to Diversity:
We welcome applications from every part of the community and are committ ... (truncated, view full listing at source)
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