Job

Job

Network Engineer

Job type:Contract
Town/City:Bristol
County:Bristol
Salary/Rate:£475 - £525 per day + Inside IR35 Hybrid working
Business Sector:IT
Job ref:BBBH154945
Post Date:September 18, 2026

Network Engineer

+6 months +

+Inside IR35

+£475 - £515 a day

+SC / DV cleared role

+Sole British national only - due to nature of the project

Skills:

+Palo Alto

+Cryptographic technologies

+SC / DV clearance

We are seeking an experienced Network Engineer to join a specialist team supporting the operation, maintenance and continued development of a highly secure defence network environment.

This is a technically challenging role requiring strong networking and firewall expertise, with responsibility for maintaining network availability, delivering architectural changes and supporting secure, mission-critical services.

Key Responsibilities

  • Operate and maintain a complex secure network environment, including gateways and cross-connects to international networks.
  • Monitor network performance, identify outages proactively and ensure SLAs are maintained.
  • Design and implement network and architectural changes in line with project and service requirements.
  • Provide technical consultation to delivery teams and senior stakeholders.
  • Work with defence stakeholders and international partners to design, coordinate and deliver network initiatives.
  • Manage network perimeter security, internet-facing security policies and deployed network assets.
  • Support software-defined networking and inter-enclave firewalling.
  • Contribute to the design and delivery of service provider and data centre network solutions.
  • Develop and maintain comprehensive technical documentation using tools such as Confluence.
  • Support the configuration and management of secure networking and cryptographic technologies.

Essential Skills & Experience

  • Extensive professional Network Engineering experience.
  • CCNP or equivalent networking experience.
  • Palo Alto Experience
  • Strong firewalling experience, ideally PCNSE or equivalent.
  • Strong experience across multi-vendor networking technologies.
  • Proven experience in network design and project delivery.
  • Experience with service provider and data centre networking.
  • Experience working with high-grade encryption / cryptographic technologies.
  • Experience operating within secure defence or government environments.
  • Ability to present complex technical information to both technical and non-technical audiences.
  • Strong stakeholder management and communication skills.

This is an excellent opportunity for an experienced Network Engineer to work on a technically complex, high-assurance network environment within the defence sector.

If you'd like to discuss this role in more detail, please send your updated CV to chloe.manerowski@cbsbutler.com and we will get in touch.