Security Officer in Merthyr Tydfil

Salary: £28,000

Location: Merthyr Tydfil, South Wales

Onsite role starting June 2026.

The Security Officer is responsible for the day-to-day delivery of physical security at a Marshall Land Systems site, ensuring the 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.

Your responsibilities in this role include:

• 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.

Apply if you have most of the following:

• Experience working in a security, guarding, or related role (e.g. 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, CCTV, and incident management.
• 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 (e.g. defence, government, construction).

Additional local needs:

• 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.

The benefits for this role are:

• 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.

Marshall Land Systems is a Canadian-owned global company with an unrivalled pedigree of British engineering excellence. It employs 600 people with major facilities in the UK, Canada, and the Netherlands.

Marshall Group is an Equal Opportunity Employer and values a diverse and inclusive workplace. All qualified candidates will receive consideration for employment without regard to age, race, colour, religion, genetic information, sex, sexual orientation, gender identity, national origin, disability status, or any other characteristic protected by law.

We are striving to create an inclusive workplace culture built on trust, accountability, collaboration, and improvement—an environment where everyone feels valued, respected, and able to thrive, free from bullying, harassment, and discrimination.