Commercial Manager - Tier 1 Contractor

05th May, 2026

Wales/South West - Hybrid working
£95,000 + car/car allowance

Across the UK's infrastructure network, there is a growing need not only to maintain essential assets but to renew, enhance and future‑proof them. This role offers the chance to be part of a business delivering services people rely on every day, with safety, quality and collaboration at the heart of how work is done. You'll be supported to develop your career in a respectful, inclusive environment where people are encouraged to succeed.

This position sits within a transmission and renewables delivery team, working on National Grid substation projects and high‑voltage infrastructure up to 400 kV. The role is based from the home with regular site visits across Wales and the South West of England.

• Taking full ownership of the commercial function across a portfolio of regional projects and tenders
• Developing and implementing commercial strategies in partnership with operational leadership
• Leading and mentoring commercial teams to improve capability, performance and engagement
• Managing tender reviews, risk and opportunity, CVR’s and accurate progress reporting
• Working closely with finance and project teams to optimise forecasting, cash‑flow and business planning
• Building strong relationships with clients and supply chain partners, supporting dispute resolution
• Overseeing procurement activity and ensuring contractual compliance
• Driving continuous improvement in regional commercial performance through innovation and best practice

• Significant experience in a senior commercial role within infrastructure, ideally with National Grid or similar high‑voltage projects
• Degree‑level qualification or equivalent industry experience
• Strong working knowledge of NEC3/4 contracts, with experience of JCT and FIDIC forms
• Excellent communication and negotiation skills, with confidence reviewing and agreeing contract terms
• A solid understanding of programme management and project controls
• Proven experience leading, developing and motivating teams
• A full UK driving licence and willingness to travel

You will be joining a values‑led organisation that strives to be an employer of choice, promotes inclusion and belonging, and takes pride in supporting its people, clients, communities and the environment through responsible, ambitious and collaborative working.