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Job Title: In-House Mechanical Engineer – Critical site
Location: Hatfield, Hertfordshire
Hours: Split days pattern, 6-2 and 12 – 8
Salary: £46k + Overtime + Benefits
The Role:
A well-established organisation are currently recruiting an In-House Mechanical Engineer to support a large-scale, critical operational site within the Facilities Management sector. The role is based on a large Mixed use site housing a warehouse and large distribution centre, where mechanical reliability is essential to daily operations.
This position sits within a close-knit in-house engineering team, offering real ownership of plant, systems, and site performance. The successful candidate will be trusted to maintain key mechanical services and respond effectively to issues in a fast-moving, business-critical environment.
Key Responsibilities:
- Deliver planned preventive maintenance (PPM) and reactive maintenance across all mechanical building services.
- Maintain and fault-find systems including HVAC plant, pumps, pipework, valves, and domestic water systems.
- Support critical infrastructure to ensure operational continuity across warehouse and distribution functions.
- Ensure all works are carried out in line with health and safety legislation, site standards, and statutory compliance.
- Maintain accurate logbooks, reports, and maintenance documentation.
- Work collaboratively with the wider engineering team and specialist contractors when required.
- Contribute to audits, inspections, and ongoing improvements to plant reliability and efficiency.
The organisation is looking for a practical and reliable mechanical engineer who is comfortable working in a live, high-demand environment. The right individual will take pride in their work and understand the importance of consistency and attention to detail.
Essential:
- Recognised mechanical qualification or apprenticeship (NVQ / C&G Level 3 or equivalent).
- Solid experience working with mechanical building services systems.
- Background in critical, industrial, warehouse, healthcare, or commercial environments.
- Strong fault-finding and problem-solving skills.
- A professional approach and the ability to work effectively as part of a small on-site team.
- Experience with steam or pressure systems.
- Familiarity with large-scale sites such as distribution centres or logistics hubs.
- Private healthcare
- Share Save option scheme
- Gym membership
- Subsidised on-site canteen
- Company pension scheme
- Shopping and lifestyle discounts
- Overtime available, paid at time and a half, double time, and triple time where applicable