Senior IT Infrastructure Engineer

BAE Systems; Warton; On-site; GBP 49,000 - 58,000; Full time

Job summary

A leading defense and aerospace company in the UK is seeking a Senior IT Infrastructure Engineer responsible for supporting IT infrastructure across Windows and Linux platforms. The successful candidate will design, deploy, and maintain essential systems, and must possess strong Wintel administration experience, proficiency in VXRail/VMware, and an understanding of network security. This position offers a competitive salary of up to £58,000 and a comprehensive benefits package.

Benefits

Competitive pension scheme

Employee share plans

Flexible discounted health benefits

Green car scheme

Private health plans

Qualifications

• Experience with patching, Active Directory, and DNS/DHCP.
• Knowledge of installing and maintaining VXRail/VMware products.
• Understanding of cyber security methodologies and practices.

Responsibilities

• Support IT infrastructure across Windows and Linux platforms.
• Design, deploy, and maintain servers and networking systems.
• Investigate and diagnose infrastructure issues.

Skills

Wintel systems administration

Powershell scripting

VXRail/VMware

Network architecture

Cyber security methodologies

Linux operating systems

Tools

Windows Server 2016-2025

Palo Alto firewall

Citrix

Job description

Overview

Job Title: Senior IT Infrastructure Engineer

Location: Warton. (On-site)

Salary: Up to £58,000 dependent on experience

Responsibilities

• Supporting the organisation’s IT infrastructure across Windows and Linux platforms
• Designing, deploying and maintaining servers, storage, networking and security systems
• Installing, configuring and deploying IT hardware in line with infrastructure hosting requirements
• Investigating and diagnosing issues by gathering information from physical and digital sources, reviewing platform or assembly defects, and identifying all contributing factors
• Administering a virtualised production environment using industry-standard tools

Qualifications

• Proven Wintel systems administration experience (Patching, Active Directory, Powershell scripting, DNS, DHCP, Windows Server 2016-2025)
• Proficient in VXRail/VMware (vCenter/ESXi, vSAN, NSX-T, SDDC) – Installing, patching, maintenance
• Demonstrating a detailed understanding of network architecture, with a focus on Palo Alto firewall and network security technologies
• Understanding and applying cyber security methodologies
• Installing, configuring and supporting Linux operating systems
• Administering On Premise platforms, including Citrix and thin client technologies

Benefits

As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive.

The Infrastructure Engineering team

You will have responsibility for delivering new enabling capabilities, developing and delivering systems and services, resolving infrastructure support issues and maintaining, managing and optimising the overall performance and availability of the infrastructure. Customers are our internal engineering and product teams and we will work to bridge the gap between infrastructure and software development and drive efficiency through high levels of automation. Whilst technology-delivery is core to our role, so too is the appreciation of how we enable the business and service availability.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date

Closing Date: 12th February 2026

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.