Head of Commercial Estimating - Wellingborough

Head of Commercial Estimating - Wellingborough

Feb 5, 2026

Role Overview

We are seeking a highly experienced Senior Commercial Solar PV Estimator to lead the estimating function across our commercial and industrial (C&I) Solar PV and battery storage client base. Working with the Directors, this role has full responsibility for pricing strategy, margin protection and risk assessment from initial enquiry through contract to award. You will act as the technical and commercial authority on project pricing, supporting senior management, sales and delivery teams to ensure projects are secured at the right margin and delivered profitably.

Key Responsibilities Commercial Leadership & Strategy

• Own and develop the commercial estimating strategy for all C&I Solar PV and BESS projects
• Set pricing frameworks, margin expectations, and risk allowances
• Review and approve all major project estimates prior to submission
• Provide commercial challenge to sales-led pricing where required
• Support board-level decision making on bid/no-bid assessments
• Lead the production of complex, high-value estimates, and tenders
• Oversee detailed cost build-ups including equipment, labour, access, prelims, DNO and compliance costs
• Assist the board in managing supplier and subcontractor pricing agreements
• Identify and mitigate technical and commercial
• Drive value engineering and alternative design solutions
• Ensure all submissions are technically compliant and commercially robust

Technical Authority & Compliance

• Act as internal subject matter expert for MCS, G99/G100, DNO, BS7671 and CDM requirements
• Provide guidance on complex grid constraints, export limitation, battery integration, and metering strategies
• Review system design assumptions to ensure estimates are buildable and compliant
• Support resolution of technical queries during tender and post-award phases

Stakeholder & Team Management

• Line manage and mentor junior and mid-level estimators
• Develop estimating tools, templates, and standardised cost models
• Work closely with Managing Director, Commercial Director, Project Managers and Procurement
• Support client meetings, technical presentations, and commercial negotiations
• Assist with post-contract reviews, variations and lessons learned

Governance & Continuous Improvement

• Maintain benchmarking data for costs, productivity, and margins
• Implement continuous improvement across estimating accuracy and processes
• Support contract negotiations and commercial handover to delivery teams
• Review project performance against estimates to improve future pricing

Required Experience & Skills

• Extensive experience estimating commercial and industrial Solar PV projects
• Proven track record pricing multi-site or high-value C&I solar and battery projects
• Deep understanding of UK compliance: MCS, DNO, G99/G100, BS7671, CDM
• Strong commercial acumen with experience protecting margins in competitive markets
• Ability to lead, review and challenge estimates produced by others
• Advanced Excel skills and strong financial modelling capability
• Experience in EPC contracting environments
• Battery energy storage (BESS) and energy management systems experience
• Knowledge of PPAs, export strategies and commercial energy tariffs
• Familiarity with PV design and modelling software

Personal Attributes

• Confident decision-maker with authority and credibility
• Commercially driven and risk aware
• Strong leadership and mentoring capability
• Comfortable engaging at senior management and client level
• Pragmatic, delivery-focused and solutions orientated

What We Offer

• Senior leadership role within a growing renewables business
• Influence over pricing strategy and commercial direction
• Competitive salary, bonus and benefits package consummate to experience.
• Long-term career progression and leadership opportunity
• Working for a forward thinking, dynamic, employee friendly company.

Call Nikki on or send a CV to