Senior Network Engineer
Senior Network Engineer

Senior Network Engineer

Hereford Full-Time 60000 - 70000 £ / year (est.) No home office possible
Thorn SDS

At a Glance

  • Tasks: Own and optimise complex network environments with hands-on technology experience.
  • Company: Thorn SDS, a leading Managed Service Provider in Space, Defence, and Security.
  • Benefits: Competitive salary, 25 days leave, health plans, and personal development opportunities.
  • Other info: Join a dynamic team and shape the future of secure networking.
  • Why this job: Make a real impact in secure networking while advancing your career.
  • Qualifications: Proven experience in network engineering and strong troubleshooting skills.

The predicted salary is between 60000 - 70000 £ 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

  • 25 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.


Senior Network Engineer employer: Thorn SDS

Thorn SDS is an exceptional employer, offering a dynamic work culture that prioritises employee growth and development within the high-stakes Space, Defence, and Security sectors. Located in Hereford, our team enjoys competitive salaries, generous annual leave, and comprehensive wellbeing support, all while working on mission-critical network infrastructure that makes a real impact. Join us to advance your career in a collaborative environment where your expertise will be valued and nurtured.
Thorn SDS

Contact Detail:

Thorn SDS Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Network Engineer

✨Tip Number 1

Network, network, network! Get in touch with professionals in the industry through LinkedIn or local meetups. You never know who might have a lead on that Senior Network Engineer role you’re after.

✨Tip Number 2

Prepare for interviews by brushing up on your technical skills and being ready to discuss your past projects. We recommend practising common interview questions related to network design and troubleshooting.

✨Tip Number 3

Don’t just apply anywhere; focus on companies that align with your values and career goals. Check out our website for openings at Thorn SDS and make sure to tailor your approach to what they’re looking for.

✨Tip Number 4

Follow up after interviews! A quick thank-you email can go a long way in showing your enthusiasm for the role. Plus, it keeps you fresh in their minds as they make their decision.

We think you need these skills to ace Senior Network Engineer

Routing & Switching
Network Security
Monitoring & Management
Network Virtualisation
Cloud Networking
Network Automation
Troubleshooting Skills
Analytical Mindset
Attention to Detail
Communication Skills
Collaboration Skills
Mentoring
Adaptability
Security Clearance Eligibility

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Senior Network Engineer role. Highlight your expertise in routing, switching, and network security to grab our attention!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for us at Thorn SDS. Share specific examples of your past achievements and how they relate to the job description.

Show Off Your Certifications: If you've got certifications like CCNA or CCNP, flaunt them! They can really set you apart from other candidates. Make sure they're easy to spot in your application.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the quickest way for us to receive your application and get you on our radar. Don’t miss out on this opportunity!

How to prepare for a job interview at Thorn SDS

✨Know Your Tech Inside Out

Make sure you brush up on your knowledge of routing, switching, and network security. Be prepared to discuss specific technologies you've worked with and how you've optimised network environments in the past.

✨Showcase Your Problem-Solving Skills

Prepare examples of complex issues you've troubleshot and resolved. Thorn SDS will want to see your analytical mindset in action, so think of scenarios where your attention to detail made a difference.

✨Communicate Clearly and Confidently

As a Senior Network Engineer, you'll need to collaborate with various teams. Practice explaining technical concepts in simple terms, and be ready to demonstrate your strong communication skills during the interview.

✨Understand the Company and Its Needs

Research Thorn SDS and their work in the Space, Defence, and Security sectors. Tailor your responses to show how your experience aligns with their mission and how you can contribute to their goals.

Senior Network Engineer
Thorn SDS
Location: Hereford

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