
Facility Security Officer – Diego Garcia – British Indian Ocean
Amentum
Amentum is a global leader in advanced engineering, logistics, and mission-support services, delivering critical solutions to government and commercial clients worldwide. With operations in some of the world’s most complex environments, Amentum is committed to safety, security, and operational excellence. Security professionals play a crucial role in safeguarding people, facilities, and sensitive assets across international locations.
Role Overview
As a Facility Security Officer, the postholder will be responsible for maintaining a safe, secure, and controlled environment at the Diego Garcia facility in the British Indian Ocean Territory. Working as part of a highly professional security team, the role involves access control, surveillance, patrols, and incident response to ensure compliance with strict security and safety standards.
This position is ideal for a disciplined, vigilant, and dependable individual who can operate effectively in a remote and highly regulated environment while maintaining professionalism at all times.
Key Responsibilities as Facility Security Officer
Control access to facilities by verifying identification and authorisation
Conduct regular patrols of buildings, perimeters, and restricted areas
Monitor surveillance systems, alarms, and security equipment
Enforce site security policies, procedures, and regulations
Respond promptly and appropriately to security incidents and emergencies
Maintain accurate security logs, reports, and documentation
Liaise with site management, supervisors, and emergency services as required
Maintain a visible security presence to deter unauthorised activity
Support compliance with health, safety, and operational requirements
Skills & Experience Required
Previous experience in security, guarding, or protective services (preferred)
Strong awareness of security procedures and access control protocols
Ability to remain calm and professional under pressure
Excellent observation and attention to detail
Good communication and report-writing skills
Ability to work independently and as part of a team
Willingness to work in a remote overseas location
Ability to meet clearance, background, and medical requirements
Shift Pattern & Pay
Shift-based role, including nights, weekends, and public holidays
Full-time assignment
Competitive pay package, including overseas allowances (where applicable)
Perks & Benefits
Competitive salary and overseas compensation package
Accommodation and site-based benefits (role dependent)
Medical and health coverage
Paid leave and holiday entitlement
Company pension or retirement plan
Ongoing training and professional development
Opportunity to work on a unique international assignment
Start Your Career with Amentum
Join an organisation that supports critical global operations and values professionalism, accountability, and teamwork. Amentum offers challenging and rewarding opportunities for security professionals seeking international experience.
Apply now to become a Facility Security Officer and play a vital role in maintaining safe and secure operations at Diego Garcia.


