Senior Network Engineer
Role details
Job location
Tech stack
Job description
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
Requirements
- 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
Benefits & conditions
- 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.
