Security Controller (List X) - Government & Defence Liaison

Zaizi Ltd; Cheltenham; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Loyalty Pension

Life Assurance

Hybrid working

WFH equipment allowance

5 days paid study leave

Personal Choice fund £500

Job summary

Zaizi Ltd is recruiting a Security Controller to lead our secure facility operations and ensure compliance with SPF, List X, and UK government requirements. You will manage vetting, incident response, and audits while liaising with MOD and other contracting authorities.

You will drive security strategy, oversee asset protection, and mentor a team across governance, risk, and personnel security in a dynamic, mission-critical environment.

Qualifications

• Must be a British national with active eDV clearance.
• Proven experience as Security Controller in List X environment.
• Deep SPF and List X knowledge, including FSA/iv.
• Ability to manage UKSV clearances for staff.

Responsibilities

• Act as the officially appointed Security Controller responsible to the Board for all day-to-day security aspects.
• Oversee receipt, storage, and disposal of classified documents and assets.
• Prepare for external audits by MOD Defence Equipment & Support (DE&S) and accreditors.
• Manage visitor control and vetting of visitors, contractors, and international guests.
• Oversee lifecycle of UK security vetting (UKSV) for staff.
• Conduct initial security briefings for new hires and ongoing aftercare duties.
• Monitor insider threats and liaise with HR and line management.
• Serve as the primary government interface for security officials.
• Lead investigations and reporting of security breaches to Contracting Authority and ISAC.
• Advise Board on security implications of contracts, moves or ownership changes.
• Collaborate with IT to align physical and cyber security and IS0 standards implementation.
• Support bid team with security capability statements for tenders.

Skills

Security management

List X compliance

Vetting management

Incident response

Audits & inspections

Stakeholder liaison

Education

BTEC Level 3 in Security

DISA / SyI qualifications

Tools

Access control systems

Security incident software

Job description

Zaizi Ltd is recruiting a Security Controller to lead our secure facility operations and ensure compliance with SPF, List X, and UK government requirements. You will manage vetting, incident response, and audits while liaising with MOD and other contracting authorities.

You will drive security strategy, oversee asset protection, and mentor a team across governance, risk, and personnel security in a dynamic, mission-critical environment.