Senior Mechanical Project Engineer in London

Energy Jobline CVL; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Dalkia UK in London is seeking a Senior Mechanical Project Engineer to provide technical leadership across the mechanical scope of works on high-profile construction projects. You will oversee design development, procurement, modelling, installation, testing and commissioning activities, ensuring delivery aligns with the project brief, specifications and statutory requirements.

You will collaborate with Project Managers, design consultants, specialist subcontractors and internal management,

Qualifications

• Solid understanding of mechanical building services within an M&E environment.
• Ability to produce RFIs, reports and written correspondence.
• Strong organizational and time-management skills with the ability to manage priorities and deadlines.

Responsibilities

• Lead mechanical engineering delivery across design, procurement, modelling, installation, testing and commissioning.
• Ensure compliance with project requirements, Building Safety Act and statutory standards.
• Collaborate with Project Managers, design consultants, specialist subcontractors and internal teams.

Skills

Mechanical building services

HVAC

Project leadership

Documentation (RFIs & reports)

Cross-team collaboration

Job description

About Dalkia UK

At Dalkia, we're driven by a shared purpose: tackling climate change and building a better, more sustainable future. We bring together talented people who share knowledge, challenge each other and grow together.

Backed by EDF, Britain's biggest generator of low carbon electricity, we're a people-first culture. With 5,000+ employees and £600m+ turnover, we combine the strength of a major group with a great culture, innovative mindset and inclusive values making Dalkia a great place to work and grow your career.

Dalkia Engineering's South Region is delivering a growing portfolio of high‑profile construction projects across central London, including landmark sites such as the British Museum, Charing Cross Hospital and Hammersmith Hospital. At Dalkia Engineering, we pride ourselves on designing, delivering, and commissioning electrical and mechanical installation systems in a variety of industry‑leading buildings. Your role as Senior Mechanical Project Engineer will provide technical leadership and assurance across the mechanical scope of works, ensuring compliance during design development, procurement, modelling, installation, testing, and commissioning activities. You will lead the mechanical engineering delivery, working closely with Project Managers, construction teams, design consultants, specialist subcontractors, and internal technical management. Harnessing your technical expertise, leadership capability, and experience of complex building projects, you will ensure delivery in line with the project brief, specification, statutory requirements, and the Building Safety Act.

What you'll bring to the role

Are you a motivated and detail‑focused Senior Mechanical engineer with a strong interest in M&E building services? Do you like working on Mechanical systems within complex buildings? You will enjoy working as part of a collaborative project team and be keen to develop your technical and project delivery experience.

You will bring:

• A solid technical understanding of mechanical building services within an M&E environment, including HVAC, pipework and associated systems.
• The ability to communicate technical information clearly, producing well‑structured RFIs, reports and written correspondence.
• Strong organisational and time‑management skills, with the ability to manage competing priorities, drawings, procurement activities and site issues.
• A practical problem‑solving mindset, able to analyse issues quickly and propose workable solutions. High attention to detail when reviewing drawings, specifications, installation quality, commissioning procedures and health & safety requirements
• A collaborative approach, working effectively with electrical teams, subcontractors, suppliers and wider project stakeholders.
• A proactive attitude to learning, showing curiosity around new technologies, standards and regulations within mechanical and building services engineering

Our Values

• People First – It starts with health, safety and wellbeing
• Better Together – A collaborative team
• Trusted Partners – Dedicated to our clients' success
• Taking Responsibility – Making a positive difference
• Equity, & Inclusion

We're committed to an inclusive and fair recruitment process. If you need any adjustments please let us know, in confidence, our team is here to support you