
Role Information:
Job Title - Stores and Sub Assembly Supervisor
Salary - Up to £30,000 DOE
Location - Merthyr Tydfil South Wales
Starting - September 2026
Why join Marshall Land Systems in this role:
The Logistics & Sub Assembly Supervisor is responsible for overseeing the efficient day to day operation of warehouse, stores, logistics, and sub-assembly activities to support manufacturing and production operations.
The role ensures accurate stock control, safe working practices, effective material flow, and high standards of assembly quality while supporting operational performance and continuous improvement initiatives. Working closely with Production, Engineering, and Supply Chain teams, the Supervisor leads operational activities to ensure materials and sub-assemblies are delivered safely, efficiently, and on schedule.
Your responsibilities in this role include:
Apply if you have most of the following:
Technical skills/education
Additional local needs:
The benefits of this role include:
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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Marshall Group is an Equal Opportunity Employer
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. For more information about Equal Opportunity in the Workplace please click here
Respect at Work
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. Fostering a positive culture is key to our individual and shared success.

Established in 1909, Marshall is a British aerospace and defence company with a rich engineering heritage and an enduring commitment to serving governments and prime contractors.
As a global leader in military maintenance, repair and overhaul (MRO), we work closely with aircraft operators to keep their fleets mission-ready and mission-capable. We have supported the C-130 Hercules since 1966, earning multiple world-first accreditations, permissions and accolades for our excellence on the platform.
Drawing on decades of engineering expertise and wide-ranging design organisation approvals, we are able to plan, integrate and certify complex programmes from start to finish, from standard avionics upgrades to completely bespoke special mission conversions.
We are also a leader in precision manufacturing, designing and producing parts, components and complex subsystems for flagship defence programmes under long-term contracts for some of the world’s largest OEMs.
Our global network matches our diverse customer base. Wherever we operate, our people share a common sense of purpose and pride in our engineering excellence.