Business Support Administrator

Job Title: Business Support Administrator

Location: Onsite – Portsmouth Naval Base – 37 hour week – Mon to Thurs 7.30am 16:15pm Fri 7.30am to 12:30pm

Salary: Circa £31,000

Grade: GG06

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us.

From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

Job Description:

The Business Support Administrator delivers key administrative support to the Warship Support team, managing travel arrangements, expenses, record keeping, and business processes. Based onsite at Portsmouth Naval Base, the role helps ensure the smooth and efficient delivery of day-to-day operations.

Core duties:

• Coordinate and manage domestic and international travel arrangements, ensuring efficient, cost-effective itineraries that meet business needs.
• Book and administer flights, accommodation, rail travel, and ground transportation through Concur and Amex systems, managing high-value travel expenditure.
• Analyse travel schedules, transfer options, and logistics to optimise journey times while maintaining compliance with security and company requirements.
• Provide day-to-day administrative support, including record management, expense processing, documentation, and stakeholder coordination.
• Work closely with Project Administrators, Heads of Security, and wider business teams to support operational activities and drive continuous process improvements.

Essential Skills:

• Strong attention to detail with the ability to manage sensitive information in line with Data Protection and GDPR requirements.
• Highly organised, with the ability to prioritise tasks and adapt to changing business needs in a fast-paced environment.
• Confident using Microsoft Office applications, particularly Excel, Word, Outlook, and PowerPoint.
• Effective communication and relationship-building skills, with the ability to work effectively with a range of stakeholders.
• Experience providing administrative support, coordinating activities, or managing information within a professional environment.
• Comfortable working independently while contributing positively as part of a collaborative team.
• An analytical mindset with an interest in reporting, performance measures, and continuous improvement.

The Warship Support Team:

In Warship Support, we sustain the Royal Navy’s surface fleet from HM Naval Base Portsmouth, from platform maintenance and system upgrades to deployed operational support, we work alongside the Royal Navy to ensure fleet availability and mission readiness. Our work ranges from routine dockyard tasks to complex engineering enhancements, keeping everything from T45 Destroyers to Type 23 Frigates and Aircraft Carriers modern, effective, and ready for operations.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.

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: 1st October 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.

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