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.