Job Description

Senior Network Engineer – NSX (JFF5) – 1736

Location: Yeovil, Somerset 

Onsite: Full time on site (flexible extended hours available)

Duration: 6 months

Rate: £92.53 Per hour (Umbrella)

Security Clearance: Active DV clearance or lapsed DV is required due to the sensitive nature of the project

Your Impact

Do you want to grow your career in network engineering and work on projects that safeguard some of the UK’s most critical systems? As a Senior Network Engineer, you will play a key role in designing, configuring, and supporting secure network environments that keep critical services connected and protected.

You will lead the resolution of complex customer challenges in an agile, innovative, and collaborative environment. This role requires close engagement with technical teams, stakeholders, and customers to ensure successful delivery of secure networking solutions.

We are seeking a Senior Network Engineer with strong NSX / network virtualisation expertise to support the delivery of secure and complex infrastructure projects.

What You Will Do

Design, configure, and support network virtualisation solutions (e.g. VMware NSX) within secure and enterprise environments

Take ownership of engineering delivery for one or more work packages, including planning, estimation, execution, and reporting

Develop and review high- and low-level network designs and technical documentation

Integrate and test network components, ensuring compliance with performance and security requirements

Provide mentoring, guidance, and technical leadership to Network Engineers and Technicians

Collaborate with stakeholders, project teams, and customers to ensure solutions meet requirements

Drive continuous improvement and contribute to engineering standards and governance

What You’ll Bring

Strong experience designing, configuring, and supporting network virtualisation platforms (e.g. NSX or similar)

Ability to balance hands-on engineering with technical leadership and mentoring responsibilities

Confidence to take ownership of solutions and represent networking in technical discussions

Core Areas (Must Have)

Strong understanding of TCP/IP, OSI model, and routing/switching protocols (BGP, OSPF, QoS, VPNs, VLANs)

Network virtualisation (NSX-T): design, configuration, and support of NSX-based networking environments

Software-defined networking: implementation of logical switching, routing, and micro-segmentation

Integration of NSX networking within virtualised and platform environments (e.g. VCF)

Hands-on experience with Cisco or equivalent multi-vendor network equipment

Network security technologies (firewalls, IDS/IPS, VPN, segmentation)

Familiarity with virtualisation and cloud networking concepts

Network monitoring, diagnostic, and analytics tools

Understanding of ITIL and service management frameworks

Experience delivering within secure, enterprise, or defence environments

Desirable

VMware NSX-T deep expertise and certification (or equivalent experience)

VCF networking integration (vSphere, vSAN, Aria Suite)

Overlay / underlay network design concepts

Automation of network configuration (Ansible, Terraform, APIs)

Integration with security tooling (SIEM, SOC platforms)

Cloud networking (AWS, Azure) and hybrid connectivity

Experience working in highly secure or regulated environments

If this is something of interest, can you please send me your most up to date cv to -  or alternatively call me on (phone number removed)