Mechanical Project Manager - Data Centre / Critical Environment

David Leslie Ltd; Hemel Hempstead; On-site; GBP 75,000 - 85,000; Full time

Job summary

A reputable mechanical contractor in Hemel Hempstead is seeking an experienced Mechanical Project Manager to lead mechanical upgrade projects in critical environments. The role requires strong technical knowledge and effective management of multiple streams within a live data centre setting. The salary ranges from £75,000 to £85,000, complemented by a generous travel allowance and additional benefits. This position offers great potential for career progression.

Benefits

£5,000 travel allowance

2.5% project performance bonus

Private healthcare & dental care

Ongoing training and development opportunities

Qualifications

• Mechanical Project Manager or Mechanical Contracts Manager background.
• Experience within data centres is beneficial but commercial/occupied building experience is equally considered.
• Able to manage multiple workstreams and deliver projects effectively.

Responsibilities

• Oversee delivery of mechanical upgrade and refurbishment works.
• Manage projects ranging from £100k to £3m.
• Ensure compliance with strict procedures in a live environment.

Skills

Strong technical understanding of mechanical systems

Strong communication skills

Client-facing skills

Organisational skills

Job description

Mechanical Project Manager - Data Centre / Critical Environment Mechanical Upgrade Projects - Hemel Hempstead

£75,000 - £85,000 + £5,000 Travel Allowance + Bonus + Healthcare

This is a fantastic opportunity for an experienced Mechanical Project Manager to join a respected M&E Building Services contractor delivering mechanical upgrade and replacement projects within a major data centre environment in Hemel Hempstead.

The employer is a long-established contractor with a strong reputation for delivering high-quality mechanical projects across commercial, critical environments and occupied buildings. Their newly developed Data Centre division is experiencing rapid growth, offering long-term opportunities for progression and development.

The Role

You will oversee the delivery of mechanical upgrade, refurbishment and replacement works within a live data centre environment, ensuring projects are delivered safely, efficiently and to a high standard.

Key Responsibilities

• Managing mechanical projects ranging from £100k - £3m
• Overseeing mechanical upgrades, replacements and system improvements
• Working within a live, critical environment with strict compliance procedures
• Managing labour, materials, subcontractors and project documentation
• Ensuring projects are delivered safely, on time and within budget
• Providing ongoing communication with clients and internal teams
• Overseeing works within occupied commercial environments where required

About You

• Mechanical Project Manager or Mechanical Contracts Manager background
• Experience within data centres is beneficial but commercial / occupied building experience is equally considered
• Strong technical understanding of mechanical systems
• Able to manage multiple workstreams and deliver projects effectively
• Strong communication, organisation and client-facing skills

Remuneration Package - Mechanical Project Manager

• £75,000 - £85,000 base salary
• £5,000 travel allowance
• 2.5% project performance bonus
• Private healthcare & dental care
• EOT share scheme
• Ongoing training, development and career progression opportunities

Next Steps

If you are an experienced Mechanical Project Manager, Senior Mechanical Project Manager or Mechanical Contracts Manager with a background in mechanical upgrade projects, commercial environments or critical systems, and you are looking for a long-term opportunity with a respected M&E contractor, we would be delighted to hear from you.

Please apply online today, and a member of the team at David Leslie Ltd will be in touch for an informal and confidential discussion.

About David Leslie Ltd

David Leslie Ltd is a family‑run construction recruitment consultancy with over 20 years' experience connecting professionals and employers across the UK. Specialising in the Building, Fit‑Out, and M&E Building Services sectors, our approach is built on trust, integrity, and long‑term partnerships, ensuring both clients and candidates receive a service that is personal, transparent, and expertly delivered.