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UK Ministry of Defence

Nuclear Security Manager

On site

Portsmouth, United kingdom

Full Time

23-09-2025

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Job Specifications

HM Naval Base Clyde-RNAD Coulport

Job Summary

His Majesty's Naval Base Clyde (HMNB Clyde) is home to the United Kingdom's Strategic Nuclear Deterrent, Astute Class Attack Submarines, First Mine Counter Measure Squadron and 43 Cdo Royal Marines. It is an operational support and maintenance base, within the Navy Command TLB and comprises both Faslane and Coulport sites. HMNB Clyde's primary purpose is to provide engineering and logistical support to the Royal Navy in maintaining Continuous at Sea Deterrent (CASD). This is achieved by ensuring at least one Vanguard Class submarine is on patrol at sea every day of the year.

RNAD Coulport is responsible for the storage, processing, maintenance and issue of the Trident Weapon System and the ammunitioning of all submarine-embarked tactical weapons.

In Navy Command, our civil servants work alongside their military colleagues in jobs that matter; jobs which often have a direct impact on the quality of the operational capabilities we deliver. Roles can offer great job satisfaction and there are many opportunities to develop and progress both within the Ministry of Defence and across the wider Civil Service.

This position is advertised at 37 hours per week.

Job Description

Lead for the day to day management of nuclear security at RNAD on behalf of Nuclear Security Authority Assistant Head (NSA Asst Hd) and Deputy Nuclear Security Authority (Coulport) DNSA(C).
Liaise with other pillars within Clyde Security Organisation (CSyO) to ensure that Coulport has the best level of Subject Matter Expert (SME) cover to enable the Depot and operations remain secure, safe and effective.
Liaise with MOD, Contractor Ministry Of Defence Police (M DP) and Service personnel to cultivate relationships which develop, maintain and improve the delivery of the security effect.
In consultation with NSA Asst Hd and DNSA (C), identify and mitigate against any security vulnerabilities associated with the Nuclear Weapon (NW) and any NW related movements in RNAD(C).
Act as the SME on weapon security, particularly the processes necessary to maintain safe, secure and effective operations.
Daily management of security projects in RNAD(C), ensuring the necessary work is driven forward to a high standard in conformance with Nuclear Safety and security standards, benchmarked against Office of Nuclear Regulation and Defence Nuclear Security Regulator.
Assist DNSA and NSA Asst Hd with the incorporation of security measures into Base policy, orders and instructions to build a positive security culture.
Assist in the initial investigations of security breaches of Physical security and MDP/MGS occurrence reports, providing advice on subsequent action and carrying out investigations when directed.
Oversee the daily state of security systems, including CCTV, PI DS and IDS and, where there are faults work to ensure these are remedied and work to mitigate any risk with Site Security Forces and others.
Act as the Atomic Liaison Officer for NBCC and ensure the Confidentiality, Integrity and Availability of ATOMIC (plus COMPARTMENTS) information, including the TPR processes and keys. Enforcing the need to know principle and contributing to a positive security culture.
Participate in any NW Security workshops and the Security Exercise Programme, ensuring the latter conforms with the Site's Nuclear Safety Management protocols.
Support Nuclear Safety and Security audits and visits on request or as required.
Ensure a regime of regular spot checks of the Physical Security Equipment across the RNAD estate (including in the Control Rooms) is in place, particularly in areas of high risk such as DNA storage facilities and Armouries.
Lead for the day to day management of nuclear security at RNAD on behalf of Nuclear Security Authority Assistant Head (NSA Asst Hd) and Deputy Nuclear Security Authority (Coulport) DNSA(C).
Liaise with other pillars within Clyde Security Organisation (CSyO) to ensure that Coulport has the best level of Subject Matter Expert (SME) cover to enable the Depot and operations remain secure, safe and effective.
Liaise with MOD, Contractor Ministry Of Defence Police (M DP) and Service personnel to cultivate relationships which develop, maintain and improve the delivery of the security effect.
In consultation with NSA Asst Hd and DNSA (C), identify and mitigate against any security vulnerabilities associated with the Nuclear Weapon (NW) and any NW related movements in RNAD(C).
Act as the SME on weapon security, particularly the processes necessary to maintain safe, secure and effective operations.
Daily management of security projects in RNAD(C), ensuring the necessary work is driven forward to a high standard in conformance with Nuclear Safety and security standards, benchmarked against Office of Nuclear Regulation and Defence Nuclear Security Regulator.
Assist DNSA and NSA Asst Hd with the incorporation of security measures into Base policy, orders and instructions to build a positive security c

About the Company

We protect the security, independence and interests of the United Kingdom at home and abroad. We work with our allies and partners whenever possible. Our aim is to ensure that the UK’s Armed Forces have the training, equipment and support necessary for their work, and that we keep within budget. Our priorities 2015 to 2020 are to: · protect our people · project our global influence · promote our prosperity · maintain a strategic base and integrated global support network, and manage the D... Know more