Senior Commercial Manager

Date: 20 Jun 2024

Location: London, GB, NW10 6DZ

Company: Colas

At Colas Rail, we have over one hundred years of experience in delivering major innovations across our sector. Every day, thousands of train run on tracks built or maintained by Colas Rail. We deliver on the challenges set by a rapidly changing railway environment - constantly seeking to adapt our behaviour and culture to not only meet and exceed the expectations of our customers and stakeholders, but to also continuously develop and support our people.

Purpose of the role


Senior Commercial Manager based at Old Oak Common.

Key Responsibilities



  • Be in-charge of all Commercial functions for respective depot/route/region. This includes and not limited to Cost Management, Budget Management, Project Specific Management (PSM) cost, change control, risk analysis, forecasting, applications, CVRs etc.
  • Be able to undertake all duties of a Senior QS/QS if needed.
  • Reviewing Monthly commercial reports and cashflow forecasts prior to presentation to Alliance Management Team. 
  • Negotiation and commercial management of the main subcontract packages.
  • Negotiation and commercial management of the standard subcontract packages.
  • Supplier engagement and management of subcontracts.
  • Support Operational team with forecasting subcontracts, change management and efficiency reporting.
  • Negotiation of long lead items and bulk buys
  • Management of Owner Participant subcontracts and key suppliers.
  • Reviewing risk and ensuring mitigation strategy is in place including participation in Quantitative Risk Assessment and Value Management Workshops.
  • Management of and supporting development of employees promoting a team working environment and proactively instil safety and commercial awareness throughout the Project Team including undertaking PDR’s.
  • Responsible for ensuring all targets, estimates, forecasts, changes, risks are raised/reviewed and agreed in timely manner and in line with alliance contract requirement.
  • Work closely with finance, procurement, legal and project team to ensure all contractual, financial and legal commitments are met and delivered to high standards.
  • As you will expect the organisation may change from time to time and you will be expected to meet the operational requirements. 
  • Any other reasonable duties as required from time to time. 

Person Specification


  • Strong commercial & financial acumen.
  • Working knowledge of Network Rail forms of contract and NEC contracts.
  • Experience dealing with Tier-1 and Tier-2 suppliers.
  • Experience of working with senior management teams including client and contractor teams.
  • Methodical style of working with ability to time-manage, set priorities and work to strict deadlines.
  • Ensure all reporting deadlines are met as per the contract.
  • Team player and effective communicator.
  • Legal understanding relevant to contracts.
  • Experience of managing commercial solutions on bids.
  • Acts as mentor to all grades in commercial and ability to develop and recruit staff.
  • Detailed understanding of the contract conditions used by the division.
  • Knowledge of Cost Value Reconciliation (CVR) methodology.
  • Ability to lead and mentor team.


  • 5 – 10 years relevant commercial and cost management experience in railway and/or construction industry.
  • Knowledge of commercial contract management.


  • Degree qualification (RICS accredited or equivalent), a degree in Engineering.
  • MRICS or equivalent
  • Chartered or Possibly working towards achieving chartership.

Behavioural Skills 

Engage and Care - Engage and stay close to our client. Provide sustainable solutions that you truly care about and join us in having an impact on the Infrastructure of the UK.
Execute and Share - Share our joint passion for the important work executed every day at Colas Rail. Share in our success, our diversity, our development and execute our project plans.
Energy and Dare - Display the energy of a leader, champion your teams. Dare to think innovatively and explore new horizons. 

Stronger Together Principles (not covered above)

  • Innovation
  • Marketing, Business development & Sales
  • Best in Class Practices
  • Communication & Identity
  • External Growth


What we offer


  • Competitive Salary 
  • 26 days Annual Leave 
  • Industry leading Life Assurance 
  • Healthcare Cash Plan 
  • Wellbeing Employee Assistant Programme 
  • Pension Scheme 
  • Eye Care Vouchers 
  • Long Service Award 
  • Season Ticket Loan 
  • Occupational Health Service 

Colas Rail in the United Kingdom hold three core values: Care, Share and Dare. We take care of our employees, always ensuring safety is a top priority and we nurture our collective wellbeing. We share a passion for what we do, celebrate our achievements and value high standards like nowhere else. We dare to take on new challenges; we are one of the international leaders in our industry. We continually innovate and expand in new markets.


We value and encourage diversity in our workforce, regardless of background, disability, age, religion, or gender. As part of our aim to deliver quality services, we are committed to promoting equality and eliminating discrimination. We will create a workforce that is reflective of the communities we work and live in. We are committed to the Disability Confidence Scheme, and as such we operate a Guaranteed Interview Scheme.