Security Officer

Role Information

• Job title:
  
  Security Officer
• Salary: £28,000
• Location:
  
  Merthyr Tydfil, South Wales
• Employment type:
  
  Onsite role
• Start date:
  
  June 2026

The Security Officer is responsible for the day‑to‑day delivery of physical security at a Marshall Land Systems site, ensuring protection of people, assets, and information. This role will play a key part in establishing security operations from an early‑stage site and supporting its transition to a fully operational, secure environment in line with defence security requirements.

• Control access to site, buildings, and restricted areas by verifying credentials, issuing passes, and managing visitor entry.
• Monitor and operate security systems including CCTV, alarms, access control, and radios, ensuring effective response to any incidents or alerts.
• Conduct regular patrols and inspections of the site, including perimeter checks, building security, and equipment inspections.
• Respond to incidents such as alarms, disturbances, emergencies, or unauthorised access attempts, taking appropriate and timely action.
• Maintain accurate records of incidents, access logs, and daily security activities.
• Support the implementation of site security procedures, policies, and standards as the site develops.
• Work closely with the Security Controller and wider team to maintain situational awareness and site security coverage.
• Assist with the setup, testing, and operation of security systems and processes as the site becomes operational.
• Provide a professional and visible security presence, acting as a point of contact for employees, visitors, and contractors.
• Support emergency procedures, including evacuations and coordination with emergency services when required.

• Experience working in a security, guarding, or related role (corporate, construction, industrial, or critical infrastructure sites).
• Experience in access control, CCTV monitoring, or site patrols.
• Experience responding to incidents and following security procedures.
• Ability to work independently and as part of a team in a dynamic environment.

• Basic knowledge of security operations, including access control and CCTV.
• Ability to follow procedures and maintain accurate records.
• Good communication skills and ability to communicate professionally with staff and visitors.
• Experience with CCTV and access control systems.
• First Aid qualification, desirable or willing to obtain.
• Experience working in a regulated or high‑security environment (defence, government, construction).

• This is a site‑based role.
• Candidates must be eligible to obtain and maintain UK Security Clearance (SC as a minimum).
• Ability to work shifts, including nights, weekends, and public holidays if required.
• Ability to undertake patrols and remain on feet for extended periods.

• Opportunity to be part of a new and developing site from an early stage through to full operation.
• Clear progression pathways into senior roles such as Security Supervisor or Security Controller.
• Experience working within a regulated defence environment.
• Opportunity to obtain and maintain UK Security Clearance.
• Involvement in shaping site security processes and standards as the site grows.