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.