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Maintenance Engineer
Department: Engineering
Employment Type: Permanent - Full Time
Location: Grantham
Compensation: £16.83 / hour
Description
Enva is a specialist recycling and reuse company focusing on refrigerators and Waste Electrical and Electronic Equipment (WEEE). We pride ourselves on innovative recycling solutions and delivering environmental sustainability through efficient, compliant, and high‑performance waste management.
We are looking for a Reactive Maintenance Engineer to join our dynamic team in Grantham. In this role, you will be responsible for maintaining, troubleshooting, and improving a wide variety of machinery used in fridge recycling operations with a particular focus on the fridge degassing and foam treatment plant (“Jerry”).
You will carry out both reactive and planned preventive maintenance, ensuring maximum uptime, environmental compliance, and safe operation of critical plant and equipment. This is an exciting opportunity for an engineer who thrives in a hands‑on, production‑driven environment and enjoys technical problem-solving in a fast‑moving industrial setting.
Key Responsibilities
General Maintenance Duties
- Perform reactive maintenance to ensure machinery operates at optimal performance levels.
- Overhaul, adapt, and improve existing machinery to enhance reliability and performance.
- Carry out mechanical maintenance with some electrical work as required.
- Replace bearings, inspect compressors, and maintain hydraulic and pneumatic systems.
- Maintain and repair equipment including conveyors, pipework, hydraulics, pneumatics, and welding tasks.
- Identify continuous improvement opportunities and propose new methods and procedures.
- Complete all documentation, logs, and work records to a high standard.
- Carry out basic facility and site service maintenance as required.
- Work as part of a cohesive team, adopting a flexible, first-time-right approach.
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Jerry (Fridge Degassing & Foam Treatment Plant) – Specialist Responsibilities
Safety, Compliance & Environmental
- Ensure full compliance with F‑Gas, DSEAR/ATEX, LOTO, PUWER, LOLER, and permit-to-work systems.
- Manage environmental controls: vacuum integrity, condensers/chillers, emissions capture, foam dust suppression, and activated carbon media.
- Support internal and external audits with accurate documentation and system knowledge.
Asset Care (PPM)
- Maintain vacuum pumps, refrigerant recovery units, compressors, condensers, fans, ducting, instrumentation, and gas detection systems.
- Conduct electrical tasks including VSD/PLC fault-finding, safety circuit checks, I/O inspections, and interlock validation.
Reactive Troubleshooting
- Diagnose and repair failures such as:
- Loss of vacuum
- Carbon bed breakthrough
- Gas detector alarms
- Mechanical binding, electrical trips, failed actuators
- Chiller/condensation issues
Process Control & Performance
- Monitor:
- Vacuum levels
- Flow/pressure temperatures
- Chiller performance
- Extraction rates
- Gas alarm status
- Interlocks with fridge shredding stages
- Conduct emissions and ambient checks per SOP.
Continuous Improvement
- Lead performance reviews for Jerry (uptime, refrigerant capture efficiency, leak rate, carbon media life).
- Implement improvements to reduce downtime and enhance plant safety and efficiency.
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This is not an exhaustive list. You may also be required to carry out any other duties as required by the business that you are qualified/trained in that meet the requirements of this role.
Skills, Knowledge & Expertise
- Mechanical bias with Level 3 qualification or equivalent.
- A minimum of 1 year mechanical experience, preferably in hydraulics, pneumatics, conveyors, and general plant machinery.
- Strong problem-solving skills and attention to detail.
- Ability to work in a fast-paced, production-driven environment, ideally with experience in a recycling plant or similar industry.
- A flexible, team-oriented attitude with the ability to adapt to different tasks and shifts as required.
- Knowledge in continuous improvement and new working methods.
- 12-hour shifts based on a 4 on, 4 off shift pattern (06:00-18:00).
- Flexibility required for covering other shifts when needed.
- Full-time role based in Grantham.
- Competitive Salary
- 12 hour shifts
- 24/7 Operation, 4 on 4 off shift pattern 6-6 days
- Work environment is predominantly in a warehouse or processing facility.
- Regular exposure to noise, dust, and heavy machinery.
- Personal protective equipment (PPE) will be provided and must be worn.
Job Benefits
- A competitive salary in a growing company committed to our people.
- A competitive holiday allowance.
- Company pension scheme.
- Enhanced family friendly policies.
- Employee Assistance Program
- Lifestyle & Leisure Discounts: Discounts for gym, leisure, cinema, shopping and many more…
- Employee Life Insurance.
- Bike2Work scheme.
- Free on-site parking.
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