Senior Project Engineer (Mechanical)

Millbank Holdings Limited; City Of London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading engineering consultancy in London is seeking a Senior Mechanical Engineer to lead medium-to-large scale projects. The role involves owning design from concept to delivery, collaborating with various teams, and mentoring junior engineers. Candidates must have a recognised mechanical engineering qualification and 8–10 years of engineering experience in mechanical building services design. The position offers professional growth and exposure to high-profile defence projects.

Qualifications

• 8–10 years’ engineering experience in mechanical building services design.
• Proven project leadership experience with multi-disciplinary teams.
• Knowledge of RIBA Stages 1–4A.

Responsibilities

• Lead delivery of mechanical building services designs from concept to construction.
• Act as Project Leader on medium-to-large projects.
• Coordinate multi-disciplinary teams (mechanical, electrical, fire).
• Review contractor submissions and oversee construction administration.
• Build and maintain strong client and stakeholder relationships.
• Mentor and support junior engineers.

Skills

Project leadership

Mechanical building services design

Communication skills

Education

Recognised mechanical engineering qualification

Job description

The Opportunity

Our client, a London-based engineering team are expanding their team to meet growing demand across UK defence projects. This is an exciting opportunity to join a global consultancy that prides itself on delivering excellent work, where every project matters.

The Role

As a Senior Mechanical Engineer, you’ll take ownership of medium-to-large scale projects, leading design from concept through to delivery. You’ll collaborate across multiple disciplines, drive technical excellence, and build long-term client partnerships that shape repeat success. In return, you’ll gain exposure to high-profile defence projects, professional growth through mentoring and training opportunities, and the chance to be part of an organisation that values innovation, collaboration, and integrity.

Your duties and responsibilities will be

• Lead delivery of mechanical building services designs from concept to construction.
• Act as Project Leader on medium-to-large projects, ensuring on-time, on-budget delivery.
• Coordinate multi-disciplinary teams (mechanical, electrical, fire, hydraulics, and more).
• Review contractor submissions and oversee construction administration.
• Build and maintain strong client and stakeholder relationships.
• Mentor and support junior engineers, developing team capability.

You will have the following qualifications & experience

• A recognised mechanical engineering qualification
• 8–10 years’ engineering experience in mechanical building services design.
• Proven project leadership/project management experience with multi-disciplinary teams.
• Strong written and verbal communication skills and the ability to influence at all levels.
• Knowledge of RIBA Stages 1–4A.

It’s great if you also have the following

• Experience with defence sector or large-scale commercial projects.
• Familiarity with other disciplines (electrical, public health, fire protection).
• Experience mentoring or training junior engineers.

Get in touch now

If you’re seeking a new opportunity and believe you have the relevant skills and experience our client is seeking, then apply now or contact Jordan Tipping via LinkedIn.

Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply.

We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate.

Millbank operates as both an Employment Agency and an Employment Business.