MGS - Ministry of Defence Guard Service - Security Supervisor - Shift Worker - Menwith Hill

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 shift working position at 48 hours per week including breaks. The successful candidate will be expected to work nights, weekends, bank holidays etc 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., 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

Behaviours
We\’ll assess you against these behaviours during the selection process:
+ Leadership
+ Managing a Quality Service
+ Communicating and Influencing
We only ask for evidence of these behaviours on your application form:
+ Leadership
+ Communicating and Influencing, At application stage you will be assessed against the following:
Experience –
+ CV including Job History and Previous Skills.
Behaviours –
+ Leadership
+ Communicating and Influencing
At interview you will be assessed against the following:
Behaviours –
+ Leadership
+ Managing a Quality Service
+ Communicating and Influencing
Artificial Intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance for more information on appropriate and inappropriate use.
Application sifting is scheduled to take place on week commencing 15/09/2025.
Interviews are due to take place via Microsoft Teams and will be conducted week commencing 29/09/2025.
We want to offer opportunities to all who are successful at interview for our roles, but this isn\’t always possible, so we do hold candidates on an active reserve list for 12 months. It is also possible that we may offer similar lower graded role/s to reserve candidates or, if no reserves are appointed, candidates that meet the lower grade criteria in merit order.
The Ministry of Defence adopts a zero-tolerance approach to unacceptable behaviours, which includes bullying, harassment, sexual harassment, discrimination, and victimisation. You will not be eligible and will not be considered for this post if you have been dismissed from a role for such unacceptable behaviours within the last five years. This will also apply if you resign or otherwise leave a role but, because of an adverse decision, would have been dismissed for gross misconduct had you continued in that employment. Pre-employment checks will be carried out.
As a result of the changes to the UK immigration rules which came into effect on 1 January 2021, the Ministry of Defence will only offer sponsorship for a skilled worker visa under the points-based system, where a role has been deemed to be business critical. The role currently being advertised has not been assessed as business critical and is therefore NOT open to applications from those who will require sponsorship under the points-based system. Should you apply for this role and be found to require sponsorship, your application will be rejected, and any provisional offer of employment withdrawn.
The Ministry of Defence requires all candidates who are successful at interview to declare any outside interests. These declarations will be discussed with successful candidates following the interview process and before a formal offer of employment is made, as some outside interests may not be compatible with MOD civilian roles. This will not, in the majority of cases, prevent employment in MOD, but it is a measure that must be taken to ensure that appropriate mitigation\’s can be put in place to manage any potential, perceived or actual conflicts of interest from the first day of employment.
MOD Recruitment Satisfaction Survey – we may contact you regarding your experience to help us improve our customer satisfaction. The survey is voluntary and anonymous. You may however be given the opportunity to provide additional information to help us improve our service which includes the collection of some personal data as defined by the United Kingdom General Data Protection Regulation (UK GDPR). The MOD Privacy Notice sets out how we will use your personal data and your rights.
Feedback will only be provided if you attend an interview or assessment.

Security
Successful candidates must undergo a criminal record check.
Successful candidates must meet the security requirements before they can be appointed. The level of security needed is developed vetting (opens in a new window).
See our vetting charter (opens in a new window).
People working with government assets must complete baseline personnel security standard (opens in new window) checks.

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:
1. Integrity – Always do the right thing. Respect yourself and others. Treat people fairly.
2. Vigilance and Preparedness – Keep careful watch for risks and incidents. Be ready to act.
3. Professionalism – Know the job thoroughly. Seek continuous improvement. Maintain high standards.
4. Helpfulness – Always be ready to assist people. Leave a lasting positive impression.
5. Teamwork – Working with colleagues who are collaborative, respectful, open and trustworthy, who are passionate about excellence and protecting Defence.

Alongside your salary of £33,810, Ministry of Defence contributes £9,794 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/
The MOD Discover My Benefits page lists the full set of benefits. Some of the many benefits you will receive include:
+ A Civil Service pension with an average employer contribution of 28.97%.
+ A generous annual leave allowance.
+ Ability to roll over up to 10 days annual leave per year.
+ Minimum of 15 Days Special Leave in a rolling 12-month period to for volunteer military or emergency service reserve commitments.
Special Paid Leave for volunteering up to 6 days a year.
+ Enhanced maternity, paternity, and adoption leave.
+ Employee Assistance Programme to support your well-being.
+ Most sites have good travel links with free car parking; many also have other facilities such as a Sports & Social Club, Gym and Cafeterias and Shops.
+ Entitlement to apply for Blue Light and Defence Discount Cards.
+ Free MGS Security Uniform.
This post does not offer any assistance with Relocation Allowances.
Please be advised that the Department is conducting a review of all pay related allowances which could impact on those allowances that the post currently being advertised attracts.

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