Role: Site Engineer (Mechanical) Location: Suffolk Salary: Up to £46,000 on-call enhancements bonus of up to £2000 Job Type: Permanent Working Hours: Average 40 hrs/week, includes on-call rota About the Company: This organisation delivers low-carbon energy solutions to industrial and commercial sites across the UK. They design, build, operate, and maintain sustainable heat and power systems, with a strong focus on reliability, safety, and environmental performance. With a growing portfolio of biomass and electric heat systems, they invest in continuous improvement and value hands-on engineering expertise. The team is collaborative, safety-driven, and committed to helping clients decarbonise their operations. They’re now looking for a Mechanical Site Engineer to support operations at a key industrial site in Suffolk. About the Role: As the Mechanical Site Engineer, you’ll carry out mechanical maintenance, fault-finding, and repairs on biomass and electric boiler systems. You’ll also support fuel supply operations, assist with subcontractor management, and help maintain high HSEQ standards. The role involves a mix of planned and reactive work, both on-site and as part of an on-call rota. It’s well-suited to a mechanically biased engineer with experience in heating systems and a proactive, hands-on approach. Key Responsibilities: Perform mechanical repairs and maintenance on biomass and electric heating systems. Conduct inspections, system checks, testing, and record keeping in line with compliance standards. Support the continuous and efficient operation of boilers, pumps, valves, and hydraulic systems. Respond to system failures, service outages, or emergencies as part of an on-call rota. Manage biomass fuel supply on site, including receiving deliveries, testing, and loading using a Telehandler. Assist with on-site subcontractor coordination and permit-to-work processes. Promote and maintain high health, safety, environmental and quality (HSEQ) standards. Maintain accurate electronic records for all maintenance, HSEQ, and stock activity. Support client liaison and build collaborative working relationships with on-site teams. What are we looking for? Essential: Mechanical or electrical engineering qualification (e.g. C&G, NVQ, HNC). HSEQ site-level training (e.g. CSCS, Safety Passport). Experience with biomass, LTHW, MTHW, and/or HTHW systems. Strong mechanical engineering background, ideally with electrical familiarity. Experience working with heat-generating equipment on large industrial sites. Effective communicator with strong attention to detail and safety-first mindset. Flexibility to work on a shift rota and be part of an on-call support system. Desirable: BOAS (Boiler Operator Accreditation Scheme) qualification. Knowledge of biomass boilers and fuel handling. Familiarity with DCS/BMS controls and CMMS systems. Accredited Telehandler training. Experience overseeing subcontractors and safe systems of work. Salary & Benefits: Competitive salary of up to £46,000 Permanent position with stability and training opportunities Overtime and callout pay enhancements Professional development support Apply Now If you’re a hands-on mechanical engineer passionate about clean energy and reliability in industrial systems, this role offers a rewarding opportunity to work on advanced biomass technology in a safety and performance-driven environment.