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Commercial & Cost Controller

Costain Group
Construction
Construction
£35,000 - £50,000/Year
Full-time
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Description

Location
London or Manchester offices, typically 3 days a week on-site with a flexible approach to home working on other days to promote wellbeing.

Hours
Full Time

Salary
Negotiable

About the Role
Working within the multi-discipline Engineering Services Team, you will provide consolidated commercial, cost control, and administrative support. This pivotal role supports Project Managers and leadership by delivering visibility and control over Engineering Capability. Responsibilities include routine cost engineering activities, contract administration, document control, and operational support. You will run project timesheet reports, monitor spend versus budget, manage contract risk registers, support billing and payment applications, maintain document control and audit-ready records, and assist with demand and resource forecasting. The role requires strong organisational skills and the ability to manage multiple workstreams across contracts and stakeholders, ensuring accurate financial data and compliance with internal processes.

Requirements

Experience
- Proven administrative and organisational skills managing multiple parallel workstreams across contracts and stakeholders.
- Commercial awareness with understanding of time, cost, and contract relationships in engineering or construction projects.
- Excellent MS Office skills, especially Excel for data manipulation, reconciliation, and reporting, and SharePoint for document management.
- Confident communicator, comfortable chasing colleagues at all levels for information, approvals, and data submissions.
- Attention to detail and methodical approach to financial data, reconciliations, and document control.
- Self-starter able to work effectively in a startup-style environment with evolving processes.
- Desirable: Experience in consultancy, engineering, or construction environments.
- Familiarity with Group finance and project systems (E1 / JD Edwards or equivalent ERP) and timesheet/booking systems.
- Working knowledge of Earned Value principles and standard cost engineering techniques.
- Exposure to AFP/billing processes, internal trading agreements, or similar inter-company contracting.
- Experience in minute taking and drafting formal contractual communications.
- Awareness of relevant Health & Safety legislation.

About you
Organised, proactive, and able to manage competing priorities with accuracy and professionalism. You communicate clearly and confidently, ensuring timely follow-up and resolution. You thrive in a dynamic environment and are motivated to support project and commercial teams through effective cost control and administration.

Qualifications
Degree or equivalent relevant experience. AAT, business administration, or project controls qualifications are advantageous but not essential.

Expiry date: 26/07/2026
Commercial & Cost Controller
Company:
Costain Group
Salary:
£35,000 - £50,000/Year
Job Type:
Full-time
Location:
London