Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Own and optimise complex network environments with hands-on tech responsibilities.
- Company: Thorn SDS, a specialist Managed Service Provider in the Space, Defence, and Security sectors.
- Benefits: Competitive salary, secure work environment, and opportunities for professional growth.
- Other info: Full-time, on-site role with potential for UK travel and overnight stays.
- Why this job: Make a real impact on mission-critical network infrastructure in specialised environments.
- Qualifications: Proven experience as a Senior Network Engineer with strong routing skills.
The predicted salary is between 55000 - 70000 £ per year.
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. 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.
Senior Network Engineer employer: Thorn SDS Ltd
Contact Detail:
Thorn SDS Ltd Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Network Engineer
✨Tip Number 1
Network, network, network! Get out there and connect with professionals in the Space, Defence, and Security sectors. Attend industry events, join relevant online forums, and don’t be shy to reach out on LinkedIn. We all know that sometimes it’s not just what you know, but who you know!
✨Tip Number 2
Prepare for those interviews like a pro! Research Thorn SDS, understand their mission, and be ready to discuss how your skills can make an impact. We recommend practising common interview questions and even some technical scenarios related to network engineering to show off your expertise.
✨Tip Number 3
Showcase your hands-on experience! Bring examples of past projects where you’ve optimised network environments or tackled complex issues. We love seeing real-world applications of your skills, so don’t hold back on sharing your success stories during interviews.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at Thorn SDS. Let’s get you on board as a Senior Network Engineer!
We think you need these skills to ace Senior Network Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Network Engineer role. Highlight your experience with routers, switches, and network design, as these are key aspects of the job. We want to see how your skills align with what we’re looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about working in the Space, Defence, and Security sectors. Share specific examples of your past achievements that relate to the responsibilities listed in the job description.
Showcase Your Technical Skills: Don’t forget to showcase your technical skills in your application. Mention your experience with cloud networking solutions, network automation, and performance monitoring tools. We love seeing candidates who can hit the ground running!
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you don’t miss any important updates. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Thorn SDS Ltd
✨Know Your Tech Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description. Brush up on your knowledge of routers, switches, and routing protocols. Be ready to discuss specific projects where you've configured and managed these systems.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've tackled complex network issues in the past. Think about times when you had to troubleshoot implementation problems or improve network performance. This will demonstrate your hands-on experience and ability to think on your feet.
✨Understand Security Clearance Requirements
Since this role requires a high level of National Security Clearance, be prepared to discuss your eligibility and any previous experience with security protocols. Familiarise yourself with the vetting process so you can confidently address any questions about it.
✨Emphasise Collaboration and Mentorship
This position involves guiding and enabling others, so highlight your experience in mentoring or supervising team members. Share examples of how you've contributed to cross-functional collaboration and helped others achieve their goals.