About Nu Mech

Nu Mech (formerly White Box Mechanical) delivers packaged solutions for the design and installation of mechanical services projects across the UK and Ireland. With a reputation for reliability, professionalism, and competitiveness, we pride ourselves on forging lasting client relationships and providing unrivalled service. Our in‑house design capabilities allow us to offer value‑engineered schemes that minimise carbon footprint while meeting client requirements.

We are seeking a Senior Contracts Engineer to join our expanding team in Gloucester. This is an exciting opportunity to play a key role in estimating, managing, and delivering HVAC and mechanical services projects across diverse sectors including retail, leisure, warehouses, offices, and public sector developments.

Role Overview

• Lead and manage HVAC contracts from tendering to project completion.
• Ensure compliance with industry standards, safety regulations, and contractual obligations.
• Act as the primary liaison between clients, contractors, and internal engineering teams.
• Provide technical and contractual expertise to support project delivery.

Key Responsibilities

• Draft, review, and negotiate HVAC contracts with clients and subcontractors.
• Monitor contract performance, variations, and claims.
• Ensure adherence to legal, financial, and technical requirements.
• Supervise HVAC system installation, commissioning, and maintenance activities.
• Coordinate with site teams to ensure timely and quality delivery.
• Manage risks, resolve disputes, and ensure compliance with HSE (Health, Safety, Environment) standards.
• Review HVAC designs and specifications for compliance.
• Conduct performance testing and troubleshooting of HVAC systems.
• Provide guidance to junior engineers and contractors.
• Liaise with clients, consultants, and suppliers to align project goals.
• Prepare reports and updates for senior management.
• Support procurement and vendor management processes.

Candidate Profile

• Proven experience in mechanical engineering installation projects.
• Strong knowledge and/or experience in HVAC systems, industry standards and regulations.
• Background in commercial, industrial, or public sector projects.
• Experience in estimating and/or contract management.
• Technical and commercial acumen with strong problem‑solving skills.
• Experience preparing tender submissions and risk assessments/method statements.
• Excellent organisational skills, self‑motivation, and ability to work both independently and as part of a team.
• Strong negotiation, communication, and leadership skills.
• Strong written, verbal, and client‑facing communication skills.
• Diploma/degree in Building Services or Mechanical Engineering is advantageous but not essential.

Remuneration & Benefits

• Competitive salary.
• Company car allowance.
• Pension scheme.
• 28 days annual leave (including 7 company days at Christmas).
• Annual bonus.
• Training and professional development opportunities.

Why Join Us?

• At Nu Mech, you’ll be part of a team that values professionalism, continuous development, and sustainable engineering solutions. You’ll have the opportunity to work on complex projects with leading clients, supported by a company that invests in accreditations, certifications, and your career growth.