Senior Network Engineer

2 weeks ago

Hereford, Herefordshire, United Kingdom Thorn SDS Ltd Full time £60,000 - £100,000 per year

Overview

Thorn SDS is a specialist Managed Service Provider based in Alton, Hampshire. We empower technology professionals and organisations across the Space, Defence, and Security sectors — and now, we're growing our team with a Senior Network Engineer who's ready to make an impact.

This is a full-time, on-site role (5 days per week) at a secure location in Hereford. You'll be operating at SFIA Level 5, shaping and supporting mission-critical network infrastructure in highly specialised environments.

Security Clearance

Due to the nature of the work, you must hold – or be eligible to obtain – a high level of National Security Clearance. (See: Gov.UK – United Kingdom Security Vetting)

Some UK travel with overnight stays may be required.

What You'll Be Doing

You'll own and optimise complex network environments, getting hands-on across a wide range of technologies and responsibilities, including:

  • Configuring and managing routers, switches, and routing protocols
  • Designing VLANs, network segmentation, and virtualised network environments
  • Delivering cloud networking solutions and network automation
  • Producing detailed network designs, configs, and performance reports
  • Monitoring and improving network performance with the right tools and processes
  • Troubleshooting implementation issues and supporting end users in test environments
  • Deploying infrastructure through later delivery phases
  • Contributing to PI (Program Increment) planning and cross-functional collaboration
  • Guiding and enabling others to deliver results, with scope to supervise or mentor

What You'll Bring

  • Proven experience as a Senior Network Engineer
  • Strong capability across:
    • Routing & Switching
    • Network Security
    • Monitoring & Management
    • Network Virtualisation
    • Cloud Networking
    • Network Automation
  • Excellent troubleshooting skills and the ability to untangle complex issues
  • Certifications such as CCNA / CCNP (or equivalent) are a bonus
  • Strong communicator and collaborator
  • Analytical mindset with attention to detail
  • Comfortable adapting to evolving technologies and industry trends

What's In It For You

  • days Annual Leave (plus Bank Holidays)
  • Employer Pension Contributions
  • Group Life Insurance
  • Dental Cashback Plan
  • Health Cashback Plan
  • Wellbeing Services (includes GP, Physio and Savings Benefits)
  • Thorn Wellbeing Support Contribution
  • Cycle to Work Scheme
  • Supported Training & Personal Development Opportunities

Ready to Take the Lead?

If you're looking to push your career forward in a high-stakes, fast-moving environment, we'd love to hear from you. Join Thorn SDS and become a key player in delivering secure, reliable network solutions where they matter most.

All applicants must have the Right to Work in the UK.

Apply now and shape the future of secure networking.

#LI-JM1

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