Stores & Sub Assembly Supervisor in Merthyr Tydfil

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:

• Supervise day-to-day warehouse, stores, logistics, and sub-assembly operations to ensure efficiency, accuracy, and adherence to production schedules
• Coordinate the receipt, storage, movement, and distribution of materials, components, and finished goods across operational areas
• Lead and support sub-assembly activities in accordance with engineering drawings, work instructions, and quality standards
• Ensure stock levels are maintained accurately, monitoring material usage and supporting vending activity management
• Ensure all warehouse and sub-assembly activities are carried out in line with company Health & Safety procedures and safe working practices
• Maintain high standards of housekeeping, organisation, and 5S within warehouse and assembly environments
• Support inventory accuracy through stock control activities, cycle counts, and material traceability processes
• Ensure all activities comply with company procedures, processes, configuration control, and compliance requirements
• Support internal and external audits, ensuring operational areas, records, and documentation are audit ready
• Investigate and resolve operational or customer/business related issues in a timely and professional manner
• Monitor team workload, productivity, and operational priorities to support delivery targets and business objectives
• Coordinate with Production, Planning, Engineering, and Quality teams to resolve material shortages, non-conformances, or operational issues
• Support training, mentoring, and development of logistics and sub-assembly team members
• Identify and contribute to continuous improvement initiatives to improve efficiency, quality, and operational performance
• Ensure warehouse security and maintain appropriate access controls
• Maintain tools, equipment, and work areas in a safe, organised, and serviceable condition
• Support operational reporting activities, including KPIs, stock accuracy, and delivery performance metrics

Apply if you have most of the following:

• Experience working within warehouse, stores, logistics, manufacturing, or production environments
• Previous supervisory or team leadership experience within an operational environment
• Experience with stock control, inventory management, and material handling processes
• Experience supporting assembly or sub-assembly activities within manufacturing environments
• Experience working within regulated or quality-controlled industry
• Experience using ERP, MRP, or warehouse management systems

Technical skills/education:

• Strong understanding of warehouse, logistics, and material flow processes
• Good organisational skills with the ability to prioritise operational activities effectively
• High attention to detail and accuracy
• Good communication and team leadership skills
• Ability to work collaboratively across multiple operational teams
• Basic IT skills including Microsoft Word and Excel
• Good numerical and problem-solving ability
• Understanding of Health & Safety requirements within warehouse and manufacturing environment

Additional local needs:

• Full-time onsite working required
• Successful candidate will be required to complete a BPSS check
• Role may involve manual handling and movement of materials and assemblies

The benefits of this role include:

• Opportunity to lead logistics and sub-assembly operations within a manufacturing
• Exposure to warehouse, production, and assembly activities within a regulated industry
• Development of leadership, operational, and technical skills
• Involvement in continuous improvement and operational excellence initiatives
• Opportunity to work collaboratively across multiple operational and engineering functions
• Experience within a fast-paced and quality-focused manufacturing environment

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 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. Fostering a positive culture is key to our individual and shared success.