Principal Network Engineer (Cisco + VMware) - Expression of Interest

MASS; Northallerton; On-site; GBP 80,000 - 100,000; Full time

Job summary

A technology solutions firm in Northallerton is seeking experienced Network Engineers to provide operational support for secure network and virtualisation services at RAF Leeming. This role involves troubleshooting mission-critical networks in a small, cross-skilled team. Candidates should have strong experience with Cisco technologies and security platforms, along with senior operational capabilities. Attractive compensation, including an on-call allowance, is offered for successful candidates.

Qualifications

• Strong hands-on experience with Cisco routing and switching.
• Proven senior-level operational capability in complex technical environments.
• Experience supporting secure, MOD, or defence platforms is desirable.

Responsibilities

• Providing expert operational support for secure network and virtualised environments.
• Troubleshooting and optimising enterprise or mission-critical networks.
• Working onsite with the customer in a small, cross-skilled technical team.

Skills

Cisco routing and switching

Ability to operate independently

Experience supporting secure, MOD, or defence platforms

Collaborative working in high-trust environments

Education

Cisco CCNA certification

Cisco CCNP certification

VMware VCP-NV certification

VMware VCTA-DCV certification

Job description

Network Engineer (Cisco + VMware)

Location: RAF Leeming, Northallerton (onsite)

Security Clearance: SC required, initially (DV eligibility is advantageous)

Contract Type: Both permanent and contractor options accepted, in the first instance

Salary/Rates: TBC + on-call allowance of ~£5-10k p/a - let's talk about what works for you!

Status: Speculative role, part of a pre-mobilisation team for a potential contract award - Q1 of 2026

About the Role

MASS is preparing for a forthcoming programme at RAF Leeming and is proactively engaging experienced Network Engineers. We are seeking professionals with senior-level capability who are comfortable taking ownership of complex technical challenges within secure environments.

This is an opportunity to join a small, cross‑skilled operational support team and play a critical role in delivering mission‑critical network and virtualisation services onsite.

What You’ll Be Doing

• Providing expert operational support for secure network and virtualised environments
• Troubleshooting and optimising enterprise or mission‑critical networks
• Working onsite with the customer in a small, cross‑skilled technical team

What You’ll Bring

• Strong hands‑on experience with Cisco routing and switching
• Ability to operate independently and collaboratively in a high‑trust environment
• Experience supporting secure, MOD, or defence platforms (desirable)
• Proven senior‑level operational capability in complex technical environments

Preferred Certifications

• Cisco CCNA, or Cisco CCNP
• VMware VCP‑NV, and VMware VCTA‑DCV

Speculative / Pre‑Mobilisation Information

This is a speculative role, dependent on contract award. By registering interest now, you will be contacted first if the programme proceeds, receive updates as timelines evolves and have the opportunity to discuss the role in more detail closer to mobilisation.

How to Apply

If you would like to be considered, please submit your CV or contact our Talent Acquisition team to register your interest. We will keep you informed throughout the process and reach out as soon as timelines are confirmed.