Senior Plumbing & Gas Site Supervisor Location: Whickham / Regional Sites (UK) Hours: 8:30am – 5:00pm (Monday to Friday) overtime as required Salary: £45,000 – £55,000 (DOE) overtime (time & a half) bonuses Job Type: Full-time, Permanent About the Company Our client is a growing, quality-driven plumbing and gas engineering business delivering high-standard solutions across both commercial and residential projects. With a strong reputation for workmanship, reliability, and client satisfaction, the business is continuing to expand — creating an opportunity for an experienced Senior Plumbing & Gas Site Supervisor to play a key role in shaping site delivery and supporting the next phase of growth. The Role This is not a desk-based position. You’ll be a hands-on leader, working across multiple sites, supporting engineers, and ensuring projects are delivered safely, efficiently, and to a high standard. You’ll work closely with senior leadership, taking responsibility for coordinating projects, mentoring engineers, and contributing to the commercial and technical success of the business. Key Responsibilities Planning, coordinating and overseeing multiple live site operations Leading, mentoring and supporting engineers, apprentices and new starters Reading and interpreting technical drawings and specifications Providing on-site technical guidance, particularly around pipework, plant systems and heating installations Liaising with clients, subcontractors, suppliers and other trades Supporting project delivery from initial scope through to completion Assisting with pricing, quoting and job specification Ensuring all work meets quality, safety and Gas Safe compliance standards Troubleshooting and stepping in hands-on where required Supporting scheduling, resource planning and overall project organisation Supporting commercial planning and resource allocation About You You’ll be an experienced Plumbing & Gas professional who is confident leading teams, managing sites, and communicating with clients — while still being technically strong and hands-on when needed. Proven experience in a supervisory, lead engineer or site management role Strong background in plumbing and gas engineering (domestic and/or commercial) Excellent understanding of plant rooms, heating systems and pipework layouts Ability to read and interpret technical drawings Experience managing multiple engineers and coordinating workloads Confident communicator with strong leadership and mentoring ability Commercial awareness, with some exposure to pricing or quoting advantageous Full UK Driving Licence Confident hands-on engineer able to step in on site when required Qualifications (typical / desirable): Gas Safe registered (CCN1, CENWAT, CKR1, HTR1) NVQ / City & Guilds in Plumbing & Heating CSCS / CITB card Commercial gas qualifications (advantageous but not essential) What’s in it for you? Overtime opportunities / additional earning potential Company vehicle or allowance Pension and holiday package Ongoing training and development support (including commercial upskilling) Clear progression pathway into senior management Opportunity to play a key role in a growing, ambitious business Apply Today If you’re looking to join a supportive, forward-thinking company where your skills are recognised and valued, we’d love to hear from you.