Principal mechanical engineer Work, Jobs in Scotland (with Salaries)

Principal Mechanical Engineer
Assystem —Helensburgh
- Hybrid work
- Analysis skills
- No degree
- HVAC
- Employee assistance programme
Senior/Principal Mechanical Engineer
Leonardo UK Ltd —Edinburgh
- £44,171 - £62,000 a year
- Full-time
- Hybrid work
- Engineering
- Presentation skills
- Mentoring
- Flexible schedule
- Referral programme
Principal Engineer
Acteon Group Ltd. —Aberdeen
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- CAD
Principal Piping Engineer
Mott MacDonald —Glasgow
- Full-time
- Hybrid work
- Mentoring
- Leadership
- Communication skills
- Employee discount
Principal Designer
Subsea 7 —Aberdeen
- Remote
- Engineering
- Mentoring
- Recruiting
- Employee assistance programme
Principal Mechanical Engineer
AECOM —Inverness
- Full-time
- Hybrid work
- Engineering
Principal Development Engineer
Coherent —Glasgow
- Full-time
- Doctoral degree
- Continuous improvement
- Mentoring
Principal Mechanical Design Engineer
Optos —Dunfermline
- Engineering
- Mentoring
- Leadership
Principal Nuclear Safety Engineer
AtkinsRéalis —Glasgow
- Full-time
- Hybrid work
- Bachelor's degree
Principal Mechanical Engineer (EOT Cranes/PSR)
Assystem —Helensburgh
- Hybrid work
- Analysis skills
- No degree
- Organisational skills
- Employee assistance programme
Principal Engineer
Assystem —Helensburgh
- Hybrid work
- Engineering
- No degree
- In-person
Principal Mechanical Engineer - Water Sector
Stantec —Edinburgh
- Engineering
- Business development
- Mentoring
- Annual leave
Principal Mechanical Engineer
Harley Haddow —Edinburgh
- Microsoft Word
- Management
- CAD
Principal Mechanical Engineer
Mott MacDonald —Glasgow
- Full-time
- Engineering
- Mentoring
- Training & development
- Annual leave
Principal Mechanical Design Engineer
RSE —Cumbernauld
- Engineering
- Team management
- Mentoring
- Employee discount
Senior or Principal MMIC Engineer
Leonardo UK Ltd —Edinburgh
- Full-time
- Hybrid work
- Doctoral degree
- Engineering
- Master's degree
- Flexible schedule
- Referral programme
Principal Design Engineer
AtkinsRéalis —Glasgow
- Full-time
- Hybrid work
- Engineering
- English
- Master's degree
Principal Design Engineer – Underground Cables
Omexom UK —Glasgow
- Hybrid work
- Engineering
- Master's degree
- Continuous improvement
Principal Design Engineer
Linxon —Glasgow
- Full-time
- Hybrid work
- Engineering
- English
- Master's degree
Principal RAMS Engineer
AECOM —Glasgow
- Full-time
- Hybrid work
- Engineering
- Analysis skills
- Bachelor's degree

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principal mechanical engineer jobs near scotland

Principal Mechanical Engineer

Assystem -
Helensburgh

Apply Now

Job details

Permanent

Benefits

Cycle to work scheme
Free flu jabs
Employee assistance programme

Qualifications

Mechanical design
Analysis skills
HVAC
Communication skills
Analytics

Full job description

Defence
Permanent /
Helensburgh
United Kingdom
09/07/26
On site

About Assystem

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

We are looking for an experienced Mechanical Engineer to support the technical capability of the Client Design Authority (DA). This role will be suited to engineers with experience in Mechanical Design, although candidates experienced in Mechanical Installation or Maintenance are also welcomed.

What You’ll Do

- ️ Produce and review high-quality infrastructure design packages and technical specifications.
Define reliability, performance, and operational requirements for infrastructure systems.
Assess maintenance and work control procedures to support safe and effective operations.
️ Evaluate infrastructure design, material condition, ageing mechanisms, and asset suitability to support continued facility operation.
️ Promote a strong safety, security, and compliance culture across all activities.
Act as an intelligent customer, ensuring safety-related contracts and technical deliverables meet contractual and regulatory requirements.

My profile

✅ What We’re Looking For

- ️ Broad mechanical engineering experience, with knowledge of systems such as pumps, cranes, HVAC, pressure systems, or diesel generators.
Experience in the nuclear sector or another highly regulated/high-hazard industry is desirable but not essential.
Ability to develop practical, innovative, and cost-effective engineering solutions for plant and infrastructure modifications.
Good understanding of British and international engineering design standards.
Strong analytical skills with the ability to make informed, evidence-based decisions using a range of technical data.
Excellent written and verbal communication skills, with the ability to engage effectively with stakeholders.
Well organised, with the ability to manage priorities and deliver work to agreed timescales.

Qualifications & Experience

Essential

HNC (or equivalent qualification/experience) in a relevant engineering discipline.
- ️ Strong understanding of the design intent for mechanical infrastructure within the nuclear sector or a similar highly regulated industry.

Desirable

Incorporated Engineer (IEng) status, or equivalent experience.
Degree (or equivalent qualification/experience) in Mechanical Engineering or a related discipline.

Why join the community of Switchers?:

The Group is currently ranked Third in the world for nuclear engineering.

A dynamic career management policy to enable our employees to progress through our five business lines: operations, project, technical, sales and support functions

Provide opportunities to work on exciting, global projects

Access to an employee assistance programme with free mindfulness, health, wellbeing resources and a confidential support line available 24/7 via phone or text

Discount vouchers for days out and restaurants, eye test and glasses vouchers, cycle to work scheme, free flu jabs

At Assystem, we celebrate diversity and creativity. We believe in harnessing unique perspectives to shape innovative solutions. Your skills and daring spirit are what truly matter. Join us and help shape the future!

Please be aware that many roles at Assystem are subject to both security and export control restrictions.

These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation.
All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

Umbrella contractor or permanent staff

Requires sole UK national with SC clearance

Mainly remote working with 1-2 days per month at our client site in Helensburgh.

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD – We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Apply Now

Refine Your Search

principal mechanical engineer jobs in scotland

Principal Mechanical Engineer

Senior/Principal Mechanical Engineer

Principal Engineer

Principal Piping Engineer

Principal Designer

Principal Mechanical Engineer

Principal Development Engineer

Principal Mechanical Design Engineer

Principal Nuclear Safety Engineer

Principal Mechanical Engineer (EOT Cranes/PSR)

Principal Engineer

Principal Mechanical Engineer - Water Sector

Principal Mechanical Engineer

Principal Mechanical Engineer

Principal Mechanical Design Engineer

Senior or Principal MMIC Engineer

Principal Design Engineer

Principal Design Engineer – Underground Cables

Principal Design Engineer

Principal RAMS Engineer

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