Network & Security Engineer / Manager

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 ResponsibilitiesManage and support a small team of network and security engineers, ensuring effective handling of ticket queues, incident resolution, and change management activitiesDrive improvements across operational procedures, technical documentation, and governance processesCollaborate with the Digital Project Manager to coordinate multiple concurrent infrastructure and security projectsAct as the technical lead for a Juniper network deployment programme, ensuring change controls, testing documentation, and implementation processes are completed to a high standardProvide oversight and coordination across deployment activities to ensure delivery aligns with agreed timelines and project scopeWork closely with outsourced SOC/SIEM providers and wider infrastructure teams

Required ExperienceStrong hands-on background in enterprise networking and security environmentsProven experience with:Juniper LAN switchingJuniper SRX firewallsPalo Alto firewallsPrevious line management or team leadership experience, including managing small engineering teamsExperience working with EDR and SIEM technologiesSolid understanding of enterprise networking best practices and operational processesComfortable operating within multi-disciplinary technical teamsAbility to communicate effectively with both technical and non-technical stakeholdersExperience managing or mentoring 2-4 direct reportsExposure to cloud networking environments and modern infrastructure platforms Environment & Technology StackExisting Cisco-based infrastructure with Meraki wireless estateOngoing migration to Juniper networking hardware as part of a wider refresh programmeWindows and Ubuntu-based infrastructure hosted primarily on Nutanix / AHV platformsOutsourced SOC/SIEM services utilising Microsoft Defender, Sentinel, and SplunkDarktrace Email security and Nessus vulnerability scanning tools

North Bristol | 3-4 Days Onsite | Inside IR35 | Up to £500 per day | Initial 3-Month Contract