Senior Infrastructure Engineer

VIQU Limited; Stone; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading industrial systems integrator in the UK is seeking a Lead Engineer to design and implement secure OT systems. The ideal candidate will have over 5 years of experience with Windows Server and VMware/Hyper-V, along with strong skills in cyber-secure systems delivery. This is a permanent position offering an opportunity to work on critical OT environments and engage with various stakeholders.

Benefits

Introduction fee for referrals up to £1,000

Flexible travel incentives

Qualifications

• 5+ years' experience with Windows Server, VMware/Hyper-V, and Switch/Firewall configuration.
• Strong background in cyber-secure systems delivery.
• Confident in producing technical documentation and leading test phases.

Responsibilities

• Design and implement secure OT systems.
• Define system architectures, hardware specs, and network topologies.
• Lead on documentation including FDS, SDS and test specs.

Skills

Windows Server

VMware

Hyper-V

Network infrastructure

Cyber-secure systems delivery

Tools

Simulation tools

Software-defined networks

Job description

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VIQU have partnered with a leading industrial systems integrator at the forefront of digital transformation in energy, renewables, water and manufacturing. This is a permanent role for a Lead Engineer with SME-level knowledge across Windows Server, VMware/Hyper-V, and Network infrastructure—supporting critical OT environments.

Key Responsibilities of the Lead Engineer:

• Design and implement secure OT systems involving Windows Server (2016/2019/2022), Virtualisation (VMWare or Hyper-V) and Network infrastructure
• Define system architectures, hardware specs, and network topologies for project delivery
• Lead on documentation including FDS, SDS and test specs
• Conduct FATs (internal and customer), reviews, and QA processes
• Act as a subject matter expert during pre-sales, project delivery, and stakeholder engagement
• Work closely with internal cyber teams to ensure systems are secure by design

Key Requirements of the Lead Engineer:

• 5+ years' experience with Windows Server, VMware/Hyper-V, and Switch/Firewall config—preferably in OT or industrial environments
• Strong background in cyber-secure systems delivery (IEC 62443 or similar standards)
• Confident producing technical documentation and leading test phases
• Familiarity with network design (RSTP, PRP, HSR) and communication protocols (IEC 61850, DNP3, Modbus, etc.)
• Full UK driving licence and willingness to travel when needed

Bonus Experience:

• Understanding of Safety Integrity Levels (IEC 61508/61511) and legacy control systems
• Experience with simulation tools (SIMIT, WinMOD) or software-defined networks

To discuss this exciting opportunity in more detail, please APPLY NOW for a no obligation chat with your VIQU Consultant. Additionally, you can contact Belle Hegarty on [emailprotected]

If you know someone who would be ideal for this role, by way of showing our appreciation, VIQU is offering an introduction fee up to £1,000 once your referral has successfully started work with our client (terms apply).

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