Job Description

About the role

Location: Belfast, Cardiff, or Birmingham (with flexibility to travel to other locations as required by client needs)



As a Commercial Cost Modeller, you will play a pivotal role in interrogating, developing, and challenging commercial data and models. Your insights will directly support evidence-based decision-making and drive efficiencies for our clients. You'll work across a diverse portfolio of projects, sometimes requiring travel at short notice or for extended periods.

What your days will look like:

Cost Modelling:

Analyse and challenge client and supplier cost models. Develop 'should cost' and cost transformation models to identify efficiency opportunities, including detailed cost driver analysis (e.g. labour rates, direct/indirect costs, inflation).

Performance & Incentive Modelling:

Evaluate how financial and performance incentives (e.g. pain/gain share, KPIs) influence supplier behaviour and contract outcomes.

Negotiation Support:

Provide analytical support to client negotiations with key suppliers, identifying variances and developing strategies to align costs with contractual terms

Business Case Development:

Use cost modelling outputs to generate robust cost ranges for business case approval

Team Leadership:

Oversee and quality assure the work of junior staff, providing guidance and supporting their professional development

Solution Design:

Contribute to the design of cost modelling solutions and support the development of proposals and propositions to promote our services to potential clients.

This role is for you if:

Experience as a Commercial Analyst, Cost Modeller, Cost Engineer, or Management Accountant in a corporate environment. Proficiency with data modelling and reporting tools (ideally Excel, Power BI, or Alteryx). Strong analytical skills, with the ability to interpret and work with large data sets. Commercial awareness and advanced cost modelling expertise. Excellent written and verbal communication skills, with the ability to produce comprehensive reports. Experience in building and growing a modelling capability within a broader commercial managed services context. Experience of managing a team and having direct oversight of client ready deliverables Willingness and eligibility to obtain Security Clearance if not already held.

What you'll receive from us:

No matter where you may be in your career or personal life, our benefits are designed to add value and support, recognising and rewarding you fairly for your contributions.


We offer a range of benefits including empowered flexibility and a working week split between office, home and client site; private medical cover and 24/7 access to a qualified virtual GP; six volunteering days a year and much more.