EO Security Support Officer

Government Recruitment Service; Greater London; On-site; GBP 35,000 - 37,000; Full time

Benefits offered by this job

Disability Confident

Job summary

The Cabinet Office is seeking an EO Security Support Officer to work across security operations in London. The successful candidate will rotate across three teams: Vetting, STRAPSO, and Incident Management, contributing to NSV processes and secure IT environments.

You will manage team inboxes, administer NSV applications, maintain records, deliver security trainings, and support hardware/software projects while reporting incidents with concise recommendations.

Qualifications

• Experience administering NSV applications and records.
• Proven ability to manage secure environments and access control.
• Experience handling security incidents and reporting findings.

Responsibilities

• Manage team inboxes and operational tracking systems.
• Administer NSV applications, transfers and clearance processes.
• Verify candidate information and maintain vetting databases integrity.
• Provide admin control of secure environments and access to rooms/VC facilities.
• Manage user accounts and access for classified IT systems.
• Deliver security training and briefings to colleagues.
• Support hardware/software projects and capture user requirements.
• Investigate and report security incidents or breaches with recommendations.

Job description

The Cabinet Office supports the Prime Minister and ensures the smooth running of government, from developing policy, to modernising public services. Within the Cabinet Office, the Security & Resilience (COSR) Team is the lead body for managing protective security, advising business units, and mitigating security threats across the department.

We are recruiting a dynamic EO Security Support Officer to work across our Security operations. To build departmental resilience and offer a rich learning experience, the successful candidate will rotate periodically across three high-performing and essential security teams:

• Vetting Team: Responsible for overseeing National Security Vetting (NSV) across the Cabinet Office, ensuring compliance with NSV policies and working closely with UK Security Vetting (UKSV) and the Government Security Group (GSG).
• STRAP Team (STRAPSO): Regulates and monitors access to highly sensitive intelligence material that requires specialised protective handling beyond standard government arrangements.
• Incident Management Team: Managing security incidents, assessing risks, analysing data and where necessary, escalating incidents and emerging threats to the correct team or stakeholder.

As a security Support Officer, your duties will include:

• Managing team inboxes, operational tracking systems, and taking on-call or out-of-hours responsibilities as required.
• Administering National Security Vetting (NSV) applications, transfers, and clearance processes, ensuring accuracy and complete records.
• Verifying candidate and stakeholder information to maintain the integrity of vetting databases, as well as managing the vetting aftercare and leavers' processes.
• Providing administrative control of environments, maintaining accurate security records, and managing access to secure meeting rooms and video-conferencing facilities.
• Managing user accounts, secure telephony, and access applications for classified IT systems across the Cabinet Office and No. 10.
• Delivering clear technical training, security briefings, and familiarisation sessions to colleagues of all grades.
• Supporting hardware and software projects, capturing user requirements, and tracking project delivery.
• Investigating, recording, and reporting security incidents or breaches to the wider security team with constructive recommendations.

Proud member of the Disability Confident employer scheme

EO Security Support Officer

Company: Government Recruitment Service

Salary: £35,479 to £37,121 a year

Hours: Full-time

Location: London

Job type: Permanent

Posting date: 22 Oct 2026

Closing date: 1 Nov 2026

Summary

The Cabinet Office supports the Prime Minister and ensures the smooth running of government, from developing policy, to modernising public services. Within the Cabinet Office, the Security & Resilience (COSR) Team is the lead body for managing protective security, advising business units, and mitigating security threats across the department.

We are recruiting a dynamic EO Security Support Officer to work across our Security operations. To build departmental resilience and offer a rich learning experience, the successful candidate will rotate periodically across three high-performing and essential security teams:

• Vetting Team: Responsible for overseeing National Security Vetting (NSV) across the Cabinet Office, ensuring compliance with NSV policies and working closely with UK Security Vetting (UKSV) and the Government Security Group (GSG).
• STRAP Team (STRAPSO): Regulates and monitors access to highly sensitive intelligence material that requires specialised protective handling beyond standard government arrangements.
• Incident Management Team: Managing security incidents, assessing risks, analysing data and where necessary, escalating incidents and emerging threats to the correct team or stakeholder.

As a security Support Officer, your duties will include:

• Managing team inboxes, operational tracking systems, and taking on-call or out-of-hours responsibilities as required.
• Administering National Security Vetting (NSV) applications, transfers, and clearance processes, ensuring accuracy and complete records.
• Verifying candidate and stakeholder information to maintain the integrity of vetting databases, as well as managing the vetting aftercare and leavers' processes.
• Providing administrative control of environments, maintaining accurate security records, and managing access to secure meeting rooms and video-conferencing facilities.
• Managing user accounts, secure telephony, and access applications for classified IT systems across the Cabinet Office and No. 10.
• Delivering clear technical training, security briefings, and familiarisation sessions to colleagues of all grades.
• Supporting hardware and software projects, capturing user requirements, and tracking project delivery.
• Investigating, recording, and reporting security incidents or breaches to the wider security team with constructive recommendations.

Proud member of the Disability Confident employer scheme

About Disability Confident Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.

Related jobs

Delivery Technical Engineer

£49,458 to £53,629 per year

Government Recruitment Service

London

Permanent Full time

Information Security Governance, Risk & Compliance Manager (GRC)

£59,207 to £70,958 per year

Government Recruitment Service

London

Permanent Full time

Head of Media Analysis & Response Hub - GCS

£76,454 to £83,355 per year

Government Recruitment Service

London

Permanent Full time

Browse more jobs