> Markdown version of [/jobs/ext/3602892-lead-network-engineer](https://www.wearedevelopers.com/jobs/ext/3602892-lead-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Lead Network Engineer

- **Company:** Sopra Steria Limited
- **Location:** Salisbury, UK (Remote available)
- **Experience:** Expert
- **Salary:** £65,000.0
- **Contract:** Permanent contract
- **Skills:** Confluence, Complex Networks, Data Centers, Network Security, Network Architecture, Network Planning and Design, Network Monitoring, SDN Network, Enterprise Integration
- **Published:** October 7, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3010493081-2

## About the Role

* ?Strong networking engineering experience within enterprise, defence, service provider or data centre environments.
 * CCNP certification (or equivalent experience).
 * Significant firewall engineering experience.
 * Palo Alto PCNSE certification (or equivalent experience).
 * Experience with multi-vendor networking technologies.
 * Proven network design and project delivery experience.
 * Experience managing and supporting secure, complex network infrastructures.
 * Ability to communicate technical concepts effectively to both technical and non-technical audiences.

## Description

Are you an experienced Network Engineer looking to work at the forefront of secure, mission-critical defence networks?, We're seeking a Network Engineer (Deployable Services) to support the operation, enhancement and security of the Joint Military Network Integration and Information Assurance Network (JMNIAN). You'll play a key role in maintaining and evolving complex, high-availability network infrastructure that supports UK Defence and international coalition operations.

Working within a specialist delivery team, you'll design, implement and support secure networking solutions, collaborate with defence stakeholders and international partners, and help deliver critical networking capabilities across a highly secure environment.

This is an opportunity to work on some of the most secure and strategically important networking platforms in Defence. You'll collaborate with highly skilled specialists, contribute to international initiatives, and play a direct role in delivering resilient, secure communications capabilities.

Hybrid: 3 days Salisbury 2 days home working.

You do need to hold current DV Clearance.

What you will be doing:

 * Maintain and support the JMNIAN network and international network gateways.
 * Deliver network design changes and architectural improvements.
 * Analyse network monitoring data.
 * Manage network security controls, including perimeter security and internet-facing policies.
 * Support software-defined networking and inter-enclave firewall solutions.
 * Develop automation and tooling.
 * Create and maintain technical documentation using tools such as Atlassian Confluence.