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Army - Establishment Security Officer

Job details
Posting date: 05 September 2025
Salary: £36,530 per year, pro rata
Hours: Full time
Closing date: 05 October 2025
Location: Merville Barracks, Colchester, CO2 7UT
Remote working: On-site only
Company: Ministry of Defence
Job type: Permanent
Job reference:

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Summary

Please note, candidates will be redirected to the Civil Service Jobs website where you will need to submit your application form. Please note the closing date above is incorrect and cannot be amended so please check the closing date on Civil Service Jobs and allow enough time to submit your application form.

The Ministry of Defence employs over 50,000 Civil Servants. Within that, with responsibility for an annual budget of over £10bn, the Army is a major part of the Ministry of Defence and one of its largest operating centres who employ around 12,000 Civil Servants located at over 300 locations supporting the 110K regular and reserve soldiers across the Army. This Civil Service workforce is diverse, with many different functions and professions ranging from police officers, security guards, trainers, human resources, teachers, and psychologists to storekeepers, financiers, project and programme managers, and policy secretariat staff.

HQ Colchester Garrison, comprising Regular Army, Civil Servants and Army Reservists, is responsible to HQ Centre for enabling the delivery of the Firm Base support to the Army. The Firm Base is the Army infrastructure that supports the Lived Experience of our Service Personnel and their families who live there, enabling the Army to live, work and deliver. The HQ delivers Real Life Support to Units within Colchester Garrison. It is also responsible for engagement with the civilian community, employers and assists HQ Centre as the lead for UK Resilience in times of need.

Under Firm Base Transformation HQ Colchester Garrison will develop to be a Joint Military Command (JMC) Centre Hub delivering regional support services and assuming the Head of Establishment function from deployable Army units.

This is an exciting time in HQ Colchester Garrison, as we evolve and continue to deliver firm base outputs to our units, military personnel, and their families.

This position is advertised at 37 hours per week. This position is required to be onsite full-time.

This role is currently being reviewed under Firm Base Transformation, which will create an effective, affordable organisation to deliver Firm Base outputs.

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