Unit Personnel Office Administrator

Mitie; Portsmouth; On-site; GBP 25,000; Full time

Job summary

A leading facilities management company is seeking a Unit Personnel Office Administrator in Portsmouth. The successful candidate will provide essential administrative support to Armed Forces personnel, ensuring compliance with health and safety regulations. Strong organizational and communication skills are vital, along with IT proficiency, particularly in MS Office. A proactive individual, capable of managing changing demands, is essential for this full-time role. Opportunities for training and development are available.

Benefits

Paid leave options

Salary finance options

Cycle to Work scheme

High street discounts

Life cover options

Qualifications

• Administration experience in customer-facing environments.
• Proven track record of delivering high-quality administrative services.
• Sound judgement and absolute integrity.

Responsibilities

• Provide a focal point for personnel administration interface.
• Arrange travel through an online booking system.
• Maintain and protect personnel data and input records.

Skills

Well organized

Strong communication skills

Proactive approach

IT literacy (MS Office)

Ability to handle pressure

Education

Good standard of education

Tools

MS Office

MOD personnel administration systems

Job description

Job Title: Unit Personnel Office Administrator
Salary: £24,637.57 per annum
Contract: Permanent, Full Time
Weekly Contractual Hours: 37.5
Location: HMS Excellent, Whale Island, Portsmouth, Hampshire, England, PO2 8ER

An opportunity to join an experienced, versatile team, delivering first class administration services to our world class Armed Forces personnel.

Position Overview

Based in the Personnel Office HMS Excellent, this role provides a broad and flexible service to meet the contracted administration requirements of the Armed Forces (predominantly the Royal Navy) and there is the potential to rotate through various elements of professional responsibilities when required to meet the needs of the business. Training can be provided, where appropriate.

Main Responsibilities

The role is responsible for providing a dedicated day-to-day focal point for personnel administration, acting as a direct interface for customers and liaising closely with coordinators and line managers. Duties include arranging travel through an online booking system and working with booking companies, coordinators, and travellers, as well as collating and maintaining budget-related information. The position requires maintaining and protecting personnel data, inputting and updating records within the Joint Service administration system, and assessing entitlements related to pay, allowances, expenses, promotions, and awards. All activities must be carried out in full compliance with current Health and Safety regulations and General Data Protection Regulations. The role also involves undertaking any additional tasks as directed by the Line Manager, including providing support or cover for other staff when required.

What we are looking for

The successful candidate will be well organised, precise, and confident, with credible communication skills and the ability to contribute effectively at all levels. They will be versatile, intuitive, and professional, demonstrating sound judgement and absolute integrity. The role requires a proactive and persuasive individual who is responsive to changing business needs and customer demands, able to remain calm under pressure, self‑motivated, reliable, and well presented, consistently reflecting MITIE's company values. The candidate should have administration experience with strong organisational and motivational skills, a proven track record of delivering high‑quality administrative services in customer‑facing environments, and the ability to build close working relationships through clear and persuasive verbal and written communication. Strong IT literacy is essential, with a good working knowledge of MS Office applications, while knowledge of MOD personnel administration systems is desirable. A proactive approach to change, the ability to manage short‑notice changes to requirements and deadlines, and a good standard of education are also required.

Additional Information

• MOD security clearance and DBS Standard required (Proof of right to work in UK essential)
• The Contract operates a 37.5 hour working week between the hours of 0730 and 1700 Mon to Fri only.
• Required to wear approved company work wear.

About the company

We are a business of 77,500 colleagues making us the UK's leading facilities management company. Mitie's vision is to work together to deliver the exceptional, every day. It is a commitment we make to our customers day in day out. We are built on integrity and trust. We always go the extra mile to get the job done.

We champion diversity and inclusion and have six employee networks offering supportive spaces for military veterans, parents and carers, LGBTQ+, women, disabled colleagues, and for all races and ethnicities. Mitie has a comprehensive and practical approach to achieving net zero carbon. A wide variety of benefits are available to employees, including additional leave purchase, Give as You Earn, Salary Finance, Save as You Earn, Share Incentive Plan, Cycle to Work, purchase of private medical cover, life cover, technical equipment, childcare vouchers, and more. There is a reward and recognition scheme and a wide variety of high street discounts available to claim. Please ask more about these benefits at interview.

Additional information for internal applicants

Please ensure that you discuss your application with your current line manager before formally applying. Please note that internal job moves are subject to the standard terms for the post being advertised. Enhanced terms cannot be honoured.