Security Officer

Role Information

Security Officer
Salary £28,000
Merthyr Tydfil South Wales
Onsite role
Starting June 2026

Why join Marshall Land Systems in this role:

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.

Technical skills/qualifications:

Basic knowledge of security operations, including access control, CCTV, and incident
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. From its origins in Cambridge, UK, through more than a century of innovation, pioneering advances from the nose of Concorde to the early Hydrogen fuel cell technology that ultimately powered the moon landings, Marshall engineers now continue to innovate specialist vehicles and infrastructure for NATO forces across the world. From bomb disposal vehicles to deployed shelters, from command and control to CT scanners on the battlefield, Marshall Land Systems protects people in critical situations with the very best in engineering. It employs 600 people with major facilities the UK, Canada, and the Netherlands.

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