Principal mechanical engineer Work, Jobs in Bristol, Bst (with Salaries)

Mechanical Engineering Principal Lead
Capgemini Sogeti —Bristol
- Engineering
- HVAC
- Mentoring
Principal Systems Engineer - Autonomous Maritime Systems
Expleo —Bristol
- Engineering
- Assembly
- Presentation skills
Mechanical / Heat Decarb Engineer
Capgemini Sogeti —Bristol
- Engineering
- HVAC
- IT
Principal Process Engineer - Nuclear
AECOM —Bristol
- Full-time
- Hybrid work
- Contracts
- Leadership
Principal Nuclear Safety Case Engineer
AECOM —Bristol
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Bachelor's degree
Principal Systems Engineer - CUAS Technical Assurance Lead
Expleo —Bristol
- Engineering
- No degree
- Communication skills
10d
Principal Modelling and Simulation Engineer
Stirling Dynamics —Bristol
- £45,000 - £72,500 a year
- Hybrid work
- Engineering
- Mentoring
- Communication skills
Principal Engineer Water Design and Build
Jacobs —Bristol
- Hybrid work
- Civil engineering
- Engineering
- Mentoring
Principal, Associate or Associate Director High Voltage Electrical Engineer (Building Services)
WSP —Bristol
- Part-time
- Hybrid work
- Master's degree
- Flexitime
- Work from home
Graduate Mechanical Engineer - Water - 2027 (Bristol)
Stantec —Bristol
- Hybrid work
- Engineering
- Bachelor's degree
3d
Landing Gear Systems Engineer
ALTEN —Bristol
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Bachelor's degree
- Employee assistance programme
- Life insurance
Quick apply
Principal Civil Engineer
AECOM —Bristol
- Full-time
- Hybrid work
- Civil engineering
- Engineering
- Business development
Senior Mechanical Designer
Bridges Electrical Engineers —Midsomer Norton
- Full-time
- Hybrid work
- Engineering
- Bachelor's degree
- Continuous improvement
- Employee discount
- Referral programme
Quick apply
Modelling and Simulation Engineer - Contractor
Stirling Dynamics —Bristol
- C++
- Organisational skills
- Time management
Principal Cable System Design Engineer
AECOM —Bristol
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Business development
Principal Quality Test Engineer (Hardware)
Rowden —Bristol
- £75,000 - £95,000 a year
- Full-time
- Hybrid work
- Quality control
Quick apply
HAI ATEX Mechanical Fitter
Bridges Electrical Engineers —Bristol
- Full-time
- Communication skills
- Employee discount
- Referral programme
Quick apply
DO-254 System / Hardware / Electronics Engineer
Stirling Dynamics —Bristol
- £60,000 - £72,500 a year
- Engineering
- Travel
- Leadership
Systems Architect
ALTEN —Bristol
- Full-time
- Hybrid work
- Military
- Engineering
- Master's degree
- Employee assistance programme
- Life insurance
Quick apply
Project Design Engineer
JN Bentley —Bristol
- Full-time
- Engineering
- Annual leave
Quick apply

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Mechanical Engineering Principal Lead

Capgemini Sogeti -
Bristol

Apply Now

Job details

Permanent

Qualifications

Energy audits
Engineering
HVAC
Mentoring
IT
Leadership
Communication skills

Full job description

Your role

We're looking for a Mechanical Engineering Principal Lead / Decarbonisation Lead to drive heat decarbonisation programmes across industrial and infrastructure projects. As the technical authority, you'll lead the design and delivery of low-carbon heating and thermal energy solutions, working closely with clients and multidisciplinary teams to improve energy efficiency, reduce carbon emissions, and deliver sustainable engineering outcomes.

Lead heat decarbonisation strategies for industrial and manufacturing facilities.
Oversee the design and delivery of low-carbon heating systems, including ASHPs and LTHW networks.
Deliver thermal modelling, energy assessments, and feasibility studies to identify decarbonisation opportunities.
Provide technical leadership for mechanical engineering standards, design reviews, risk assessments, and HAZOPs.
Collaborate with clients, stakeholders, and multidisciplinary teams to deliver integrated energy solutions.
Mentor engineers and drive innovation, continuous improvement, and carbon reduction initiatives.

Your profile

You'll be a degree-qualified Mechanical, Thermal, or Energy Engineer with significant experience delivering heat decarbonisation, energy optimisation, and low-carbon infrastructure projects. With a strong understanding of the full project lifecycle, from feasibility and energy audits through to detailed design, you'll bring deep technical expertise in thermal systems, HVAC, heat pumps, and energy performance. You'll also be a confident leader, capable of managing stakeholders, leading multidisciplinary teams, and driving successful project delivery.

What We're Looking For

Proven experience delivering large-scale heat decarbonisation and energy efficiency programmes, including RIBA Stage 3 and 4 design projects.
Strong knowledge of HVAC, heat pumps, thermal energy storage, heat recovery technologies, thermal modelling, and energy performance analysis.
Experience leading design reviews, HAZOP studies, and engineering risk management activities.
Degree qualified in a relevant engineering discipline, with Chartered Engineer (CEng) status desirable.
Excellent stakeholder management, leadership, mentoring, and communication skills.

Make it real - what does it mean for you?

Open access to digital learning platforms
Active employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or Women@Capgemini

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who

Declare they have a disability, and
Meet the minimum essential criteria for the role.
Please opt in during the application process.

Capgemini. Make it real.

Need to know

All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting.
You can bring your whole self to work. At Capgemini building an inclusive future is part of everyday life and will be part of your working reality. We have built a representative and welcoming environment, for everyone.
The role will be Bristol based - 2/3 days a week in office

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.

Make it real | www.capgemini.com

Apply Now

Refine Your Search

principal mechanical engineer jobs in bristol, bst

Mechanical Engineering Principal Lead

Principal Systems Engineer - Autonomous Maritime Systems

Mechanical / Heat Decarb Engineer

Principal Process Engineer - Nuclear

Principal Nuclear Safety Case Engineer

Principal Systems Engineer - CUAS Technical Assurance Lead

Principal Modelling and Simulation Engineer

Principal Engineer Water Design and Build

Principal, Associate or Associate Director High Voltage Electrical Engineer (Building Services)

Graduate Mechanical Engineer - Water - 2027 (Bristol)

Landing Gear Systems Engineer

Principal Civil Engineer

Senior Mechanical Designer

Modelling and Simulation Engineer - Contractor

Principal Cable System Design Engineer

Principal Quality Test Engineer (Hardware)

HAI ATEX Mechanical Fitter

DO-254 System / Hardware / Electronics Engineer

Systems Architect

Project Design Engineer

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