Job Description

About the job

Job summary

Do you want a career where you can make a real difference? Join the Ministry of Defence Guard Service (MGS) to protect Defence from threats such as crime, terrorism, espionage, and sabotage by providing the highest quality of security services through professionalism, excellence, and trust.

We are looking for a Security Supervisor to join our Gold Standard Security Service and play a crucial role to the business requiring resilience, alertness, and organisation. Due to the nature of the role and its high-profile locations, it is essential that our Security Supervisors have a strong work ethic, great teamwork, customer service, communication, and management skills. We are looking for individuals who are willing to go above and beyond to support security operations across the Defence estate. If you can demonstrate this from past or current experiences, we want to hear from you and see this detailed in your CV.

This is a day working position. You will normally work 48 hours per week including a daily meal break (43 hours net). This could be 4 x 12 hour shifts or 5 x 9.6 hours shifts between the hours of 0600 hrs & 2200 hrs over the seven-day period, as stipulated by the shift pattern agreed at the Unit depending on site requirements. This will include being rostered in a flexible manner (termed a flexible week) within the shift roster. During the flexible week, the working days and shifts will routinely be stipulated in advance but may be changed at short notice, (this should be no less than 48 hours). The exact shift pattern will be explained in full during the interview.

Job description

The Ministry of Defence Guard Service (MGS) provides high quality security services at over 170 MOD sites across the United Kingdom. The MGS has guarded the Defence Estate for over 30 years including high profile locations such as MOD Main Building in London, Whitehall and His Majesty's Naval Bases at Portsmouth, Devonport, and the Clyde. We provide access control, military working dogs, control room operations and other security services. We play a vital role supporting the Defence Mission and work to protect the Defence estate and personnel from crime, terrorism, espionage, and sabotage threats.

The MGS has over 2,700 employees. MGS Security Officers are often the first point of contact for employees, visitors and contractors on sites and we pride ourselves on our professional, customer-focused culture. Behind our operational workforce is a range of head office roles which support our security professionals to develop and execute the organisations strategy, managing its budget and resources, leading, and developing our staff, maintaining relationships with stakeholders, monitoring and evaluating our performance and identifying new opportunities.

All are working towards our Vision to be recognised as an outstanding provider of security services and our five Values underpinning this Vision include:

Integrity - Always do the right thing. Respect yourself and others. Treat people fairly. Vigilance and Preparedness - Keep careful watch for risks and incidents. Be ready to act. Professionalism - Know the job thoroughly. Seek continuous improvement. Maintain high standards. Helpfulness - Always be ready to assist people. Leave a lasting positive impression. Teamwork - Working with colleagues who are collaborative, respectful, open and trustworthy, who are passionate about excellence and protecting Defence.
If you need to contact Defence Business Services (DBS) regarding this vacancy, please indicate that your vacancy is being handled by Resourcing Team 1. If you experience any technical difficulties with the CS Jobs system, please contact the Support Team at candidate@support.oleeo.com

Person specification

Our Security Supervisor's main responsibility is to manage all MGS Security Officers at the unit ensuring the overall protection of people, property, information and assets from damage, destruction, or unauthorised removal.

The key duties are as follows:

Manage Security Officers with daily supervision of the working patterns/roster as delegated by the Operational Manager, deploying them to cover tasks as laid out in assignment instructions and in accordance with the Joint Business Agreement/ General Statement of Security Requirements (GSSORs). Build and maintain positive working relationships by liaising with Unit Head of Establishment's (HOEs), customer representatives and other security providers to ensure a high-quality security service is provided. Assist the Operational Manager in ensuring the unit is compliant with NSI and all relevant documents and procedures are kept up to date. Operate security systems in line with standard operating procedures. Task security officers and be responsible for maintaining integrity of performance through effective management, encouraging a positive and inclusive working environment, and addressing concerns in a timely and sensitive manner. of the overall performance. Respond to security concerns raised and work with first responder's to manage incidents effectively and following procedure. Visit other MGS units located within a reasonable distance to provide supervisory support and collaborate with employees and customers as agreed with the Operations Manager. Write reports on breaches of security, defects and maintain daily logs. Effectively communicate with customers and refer any complaints to the chain of command. Operate, monitor, and supervise security systems such as CCTV, alarms telephone and radio.
All new starters will participate in a mandatory two-week residential Foundation Course, followed by on-the-job training. Additionally, we offer an annual programme of mandatory online training, along with a dedicated Workforce Development Team to support you with your training needs.

Licences

Full UK Driving Licence

Medical

Successful candidates will be expected to have a medical.

Security

Successful candidates must undergo a criminal record check.

Nationality requirements

Open to UK nationals only.

Benefits

Alongside your salary of 31,590, Ministry of Defence contributes 9,151 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides.

We enable our people to work at the right place, with the right people, at the right time. We believe that if we look after our people, they will be passionate about delivering great things for our customers.

Please follow the link to visit the Discover My Benefits site which showcases the benefits and discounts offered when working as a civilian for the MOD. https://discovermybenefits.mod.gov.uk/civilian/

Things you need to know

Closing date is 09/01/2026.

Application sifting is scheduled to take place on week commencing

12/01/2026

.

Interviews are due to take place at HMNB Clyde (or at a near location) to be confirmed and will be conducted week commencing

26/01/2026

.

Dates are subject to change due to operational requirements.

To apply, please visit our website using the apply button provided.

Contact point for applicants

Job contact:

Name: MGS RH Email: MGS-RH@mod.gov.uk
Recruitment team

Email: DBSCivPers-ResourcingTeam1@mod.gov.uk
Job Types: Full-time, Permanent

Pay: 31,590.00 per year

Benefits:

Company pension Enhanced maternity leave Enhanced paternity leave Paid volunteer time
Work Location: In person