Mechanical Engineer

PRS; Hatfield; On-site; GBP 39,000 - 46,000; Full time

Job summary

A well-established organisation is seeking an In-House Mechanical Engineer to support critical mechanical services at a large operational site in Hatfield. The role involves delivering maintenance and ensuring operational continuity across building services in a fast-moving environment. Candidates must have a mechanical qualification and solid experience with building systems. Additional benefits include private healthcare, gym membership, and an employee pension scheme.

Benefits

Private healthcare

Share Save option scheme

Gym membership

Subsidised on-site canteen

Company pension scheme

Shopping and lifestyle discounts

Overtime available, paid at various rates

Qualifications

• Solid experience working with mechanical building services systems.
• Background in critical, industrial, warehouse, healthcare, or commercial environments.
• Comfortable working in a live, high-demand environment.

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.

Skills

Fault-finding and problem-solving skills

Experience with mechanical building services systems

Professional approach

Ability to work in a team

Education

Recognised mechanical qualification or apprenticeship (NVQ / C&G Level 3 or equivalent)

Job description

Job Title: In-House Mechanical Engineer - Criticalsite

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 usesite 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.

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 Ideal Candidate

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.

Desirable:

• Experience with steam or pressure systems.
• Familiarity with large-scale sites such as distribution centres or logistics hubs.

Package & Benefits

• 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