We are an established UK-based marine engineering company, operating since 1935. We provide sales, servicing, repairs, and parts for both leisure and commercial vessels. We are proud to support the Ministry of Defence (MOD) with specialist marine engineering solutions, combining decades of experience with technical expertise to deliver high-quality, reliable service to both civilian and defence clients.
Job Overview
To aid with our continued growth, we are seeking a highly organised, detail-driven Commercial and Contracts Administrator to support the delivery of UK Ministry of Defence (MoD) contracts. This is a pivotal role within our commercial and operational function, requiring strong commercial awareness, integrity, and experience working in regulated environments.
You will play a key role in managing subcontractor administration, validating invoices, maintaining auditable records, and ensuring compliance with MoD contractual requirements.
Responsibilities
Act as the primary administrative contact for subcontractors and key suppliers
Maintain accurate commercial records including contracts, purchase orders, rates, and variations
Review and validate subcontractor invoices against contractual terms and delivery milestones
Prepare and issue customer invoices in line with MoD contracts and agreed schedules
Ensure full compliance with MoD contractual requirements, internal governance standards, and audit obligations, always maintaining clear and auditable records.
Support contract change control, reporting, and month-end financial processes
Work closely with Operations, Finance, and Project teams to ensure commercial accuracy
Skills and Experience
Proven experience in a commercial, contracts, or senior administrative role
Experience managing subcontractors, suppliers, or third-party relationships
Strong understanding of invoicing and financial accuracy
Exceptional attention to detail and ability to manage multiple priorities
Confident written and verbal communication skills
Proficient in Microsoft Office, particularly Excel
Qualifications (Desirable)
Experience in defence, military, aerospace, engineering, or regulated sectors
Familiarity with MoD contracts or government procurement
Experience working in audit-driven or compliance-focused environments
Personal Attributes:
Highly organised, methodical, and accountable
Professional and discreet, comfortable handling sensitive information
Commercially aware with a pragmatic, problem-solving mindset
Able to work independently while supporting wider teams
Calm under pressure with strong prioritisation skills
Security and Eligibility:
Must be eligible to work in the UK
Must be able to obtain and maintain UK security clearance (BPSS minimum)
Benefits:
A role with genuine responsibility and progression potential.
20 days holiday + bank holidays (increasing with length of service)
Cycle to work scheme
Competitive Salary up to 40,000
Job Types: Full-time, Permanent
Pay: Up to 40,000.00 per year
Benefits:
Additional leave
Cycle to work scheme
Free parking
On-site parking
Referral programme
Application question(s):
How many years' experience do you have in a commercial, contracts, or senior administrative role?
Have you worked in a regulated or compliance-driven environment (e.g. defence, government, aerospace, engineering, financial services)?
Do you have experience validating supplier or subcontractor invoices against contracts, purchase orders, or agreed rates?
Are you eligible to work in the UK and able to obtain UK security clearance (BPSS minimum)?
Do you have experience working with MoD, government, or public sector contracts?
Work Location: In person
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