Building Custodian

Role overview

BAE Systems is hiring a Building Custodian for its Portsmouth Naval Base site. This is an on-site position supporting Maritime Services ship upkeep and maintenance activities. The work is centered on keeping the ship hall and associated facilities safe, secure, and ready for use by building occupants and managers.

The company notes that hybrid and flexible working arrangements may be available for some roles, and applicants should discuss the options for this particular vacancy with the recruiter.

The advertised salary is up to £37,000, with the final figure dependent on experience.

About the organisation

Joining BAE Systems means contributing to a global business focused on advanced defence, aerospace, and security solutions. The role is part of a wider mission to help deliver work that supports safer futures, while offering opportunities for growth, learning, and meaningful contribution.

What the role involves

In this position, you will help maintain a professional custodial service for building operations within Portsmouth Naval Base. You will support the Warship business support stream by helping ensure the ship hall operates in a safe and secure environment that enables teams to work effectively.

Key duties

• Coordinate with building occupants and managers so that required facilities and services remain in proper order.
• Review health and safety notices and make sure they are current in line with the latest Portsmouth Naval Base communications.
• Manage fire alarm tests and related procedures.
• Take the lead on SHE-related activities and encourage positive safety behaviours among occupants across all buildings.

Essential experience and skills

• An engineering-related background, shown through effective contribution as a team member.
• Strong customer service capability, with the ability to maintain productive relationships with internal and external contacts.
• Working knowledge of SHE practices.

Team context

This opportunity sits within the Facilities Management Team at the Naval Base. The site supports the conversion of naval base materials into parts and equipment used for MOD warships, making the role important to the future of the navy and the development of the warship services industry. As a custodian, you will help look after the building and facility needs that support these fast-moving projects.

Why join BAE Systems

BAE Systems offers purpose-led work, opportunities for development, and a supportive environment where colleagues can build long-term careers. The organisation highlights lifelong learning, meaningful work, recognition for contribution, tailored rewards, and support for financial and personal wellbeing. It also promotes a balanced lifestyle and sustainable ways of working.

Inclusion statement

The company states that it is committed to an inclusive workplace where people feel valued and supported. A range of backgrounds, experiences, and perspectives is seen as strengthening the team and improving the work delivered.

Security and eligibility notice

Many roles at BAE Systems are subject to security and export control restrictions. These can be affected by factors such as nationality, any previous nationalities, and place of birth. At minimum, applicants must be able to meet the Baseline Personnel Security Standard. Some positions also require higher levels of National Security Vetting, which usually means 5 to 10 years of continuous UK residency depending on the vetting level needed.

Additional information

Closing date for applications: 10 July 2026.

The employer reserves the right to close the vacancy earlier than planned if enough suitable applications are received, so early application is encouraged.