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Secruity Controller

Job in Portsmouth, Hampshire County, PO5, England, UK
Listing for: CMS2 - Critical Maritime Systems & Support
Full Time position
Listed on 2026-06-21
Job specializations:
  • Security
    Cybersecurity, Information Security, Security Manager
  • IT/Tech
    Cybersecurity, Information Security, Security Manager
Salary/Wage Range or Industry Benchmark: 40000 GBP Yearly GBP 40000.00 YEAR
Job Description & How to Apply Below

We are looking for a Security Controller to join our growing company in the Portsmouth area.

Department

Compliance

Location

Portsmouth

Description

Reporting to the Group Chief Information Security Officer, this role is based at our site in Portsmouth.

While responsible for day‑to‑day local security of the CMS2 site (specialising in the design and manufacture of atmospheric control systems for the defence industry), the role sits in the central security function of Science Group, an international science, engineering and technology (“SET”) business listed on AIM. Although based at CMS2, the individual will also support the security team across several different business entities and will occasionally travel to other Science Group sites in the UK.

The Role

An organised, process‑focused individual will support the Security function by maintaining robust security policies, procedures, records and assurance activities across the CMS2 site and wider Science Group businesses.

Responsibilities include supporting the development, implementation and continuous improvement of site security processes, ensuring documentation is accurate and controlled, supporting audit readiness, and promoting compliance with applicable security requirements.

Vet‑related activity will be undertaken in a supporting capacity to the Personnel Security Officer.

Key Responsibilities
  • Maintain and administer local security policies, procedures, work instructions and supporting records.
  • Support the development, implementation and continuous improvement of site security processes.
  • Act as the local point of coordination for security process adherence at CMS
    2.
  • Manage and maintain security registers, logs and evidence records.
  • Coordinate secure‑room asset management processes.
  • Administer employee, contractor and visitor access processes.
  • Support the Personnel Security Officer with vetting administration.
  • Assist with staff reporting of personal circumstance changes.
  • Coordinate IVCO requests and foreign visit processes.
  • Deliver or coordinate security and travel briefings.
  • Support the maintenance and communication of security training materials.
  • Work with IT to support defined access‑control processes for networks and systems.
  • Support security‑related ITAR and export control compliance activities on site.
  • Report security incidents to the CISO and support investigations.
  • Support government, customer and internal audits.
Skills, Knowledge and Expertise

The right applicant will be highly organised, process‑oriented and comfortable working in a controlled environment with a focus on accuracy, confidentiality and attention to detail.

  • Proactive approach and eagerness to learn within security, compliance or regulated environment.
  • Strong organisational skills and the ability to manage processes, records, trackers and actions through to completion.
  • Excellent attention to detail.
  • Understanding of policy compliance, process control and confidentiality.
  • Strong communication skills.
  • Practical approach to resolving process issues, closing actions and escalating concerns.
  • Comfortable working in office‐based environment and handling sensitive information.
  • Beneficial experience in ISO
    27001, ISO
    9001, Secure By Design and government related security requirements.
  • Good IT skills, especially MS Office; experience with SharePoint or document management systems is a bonus.
  • Strong academic background or equivalent experience in administration, compliance, security, quality or related discipline.
Eligibility and Requirements
  • Must have an existing right to live and work in the UK and have resided in the UK for the last 5 consecutive years.
  • Must undergo an internal BPSS check prior to gaining site access.
  • Must hold a current security clearance or be willing and eligible to undergo a security clearance check upon starting employment.
Benefits

Formally training opportunities, competitive salary and benefits package.

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