Network Administrator - DV Cleared

Job Title: Network Administrator – DV Cleared Location: Corsham (Primarily on-site with occasional travel to other UK sites) Security Clearance: Active UK Developed Vetting (DV) is essential for this role. (Candidates must hold current, active DV clearance prior to starting). Role Type: Full-time, Permanent Opportunity: Are you an experienced Network Administrator with active DV clearance, seeking a challenging and rewarding role within a critical operational environment? Join a dedicated team managing a vital global network infrastructure for a leading organisation. This is an opportunity to become a key member of a small, established team of network professionals responsible for the management and support of a complex global network. You will play a crucial role in ensuring network availability and performance for diverse end-users, often operating in demanding situations remotely. If you thrive under pressure, can prioritise critical tasks effectively, and excel in a collaborative, time-sensitive environment, this role is for you. Key Responsibilities: Monitor, analyse, and report on all elements of the network infrastructure. Manage and process customer service requests efficiently. Develop, test, and deploy network configurations for new services. Collaborate effectively with Service Management teams and key stakeholders to deliver services. Provide technical support and guidance to Managed Service Providers (MSPs). Maintain accurate network diagrams and documentation. Contribute to annual Crypto Key management processes. Update and maintain the Configuration Management Database (CMDB). Participate in an on-call rota (approximately 1 week in 4) providing out-of-hours technical support. Essential Skills & Experience: Active Developed Vetting (DV) Clearance is mandatory. Proven experience administering Juniper or Cisco network devices. Solid understanding and hands-on experience with firewalls. ITIL Foundation certified or demonstrably strong working knowledge of ITIL processes (Incident, Problem, Change Management). Ability to work effectively under pressure and prioritise tasks in a time-critical environment. Strong team player with excellent communication skills. Desirable Skills: Experience with network encryption technologies. Understanding of procedures for handling sensitive materials/assets. Willingness and ability to travel occasionally to other UK sites. What We Offer: The chance to work within a highly skilled team on critical network infrastructure. A supportive environment committed to professional development and growth. Engagement with diverse global end-users and stakeholders