Network & Security Engineer / Manager
Network & Security Engineer / Manager
North Bristol | 3–4 Days Onsite | Inside IR35 | Up to £500 per day | Initial 3-Month Contract
We are seeking an experienced Network & Security Engineer / Manager to support a major infrastructure and security transformation programme for a large enterprise environment based in North Bristol.
This role combines technical leadership with operational management responsibilities, overseeing a small team while supporting the delivery of a large-scale network refresh programme centred around Juniper technologies. The successful candidate will work closely with project delivery teams, internal stakeholders, and third-party security providers to ensure smooth implementation and operational excellence.
Key Responsibilities
- Manage and support a small team of network and security engineers, ensuring effective handling of ticket queues, incident resolution, and change management activities
- Drive improvements across operational procedures, technical documentation, and governance processes
- Collaborate with the Digital Project Manager to coordinate multiple concurrent infrastructure and security projects
- Act as the technical lead for a Juniper network deployment programme, ensuring change controls, testing documentation, and implementation processes are completed to a high standard
- Provide oversight and coordination across deployment activities to ensure delivery aligns with agreed timelines and project scope
- Work closely with outsourced SOC/SIEM providers and wider infrastructure teams
Required Experience
- Strong hands-on background in enterprise networking and security environments
- Proven experience with:
- Juniper LAN switching
- Juniper SRX firewalls
- Palo Alto firewalls
- Previous line management or team leadership experience, including managing small engineering teams
- Experience working with EDR and SIEM technologies
- Solid understanding of enterprise networking best practices and operational processes
- Comfortable operating within multi-disciplinary technical teams
- Ability to communicate effectively with both technical and non-technical stakeholders
- Experience managing or mentoring 2–4 direct reports
- Exposure to cloud networking environments and modern infrastructure platforms
Environment & Technology Stack
- Existing Cisco-based infrastructure with Meraki wireless estate
- Ongoing migration to Juniper networking hardware as part of a wider refresh programme
- Windows and Ubuntu-based infrastructure hosted primarily on Nutanix / AHV platforms
- Outsourced SOC/SIEM services utilising Microsoft Defender, Sentinel, and Splunk
- Darktrace Email security and Nessus vulnerability scanning tools