Senior principal mechanical engineer Work, Jobs in Long Whatton, Lec (with Salaries)

Senior Principal Mechanical Engineer
Assystem —Derby
- Hybrid work
- Travel
- In-person
- Leadership
Senior / Principal Mechanical Engineer – Nuclear (Civil & Defence)
AtkinsRéalis —Derby
- Full-time
- Hybrid work
- Communication skills
1d
Senior Hazardous Area Engineer (DSEAR)
Spiers Engineering Safety —Tamworth
- £40,968.73 - £91,674.06 a year
- Full-time
- Hybrid work
- Engineering
- System design
- Mentoring
- Profit sharing
Quick apply
12d
Senior Mechanical Engineer (Specials)
AMETEK, Inc. —Leicester
- Engineering
- Microsoft Office
- Analysis skills
- Free parking
- Employee assistance programme
Senior Mechanical Engineer
ASSYSTEM —Derby
- Full-time
- CAD
Quick apply
Principal Mechanical Engineer
Amey Ltd —Nottingham
- Part-time
- AutoCAD
- Management
- HVAC
- Annual leave
- Flexible schedule
Quick apply
Senior Mechanical Project Engineer
Gallifordtry —Nottingham
- Full-time
- Communication skills
- Employee assistance programme
- Employee discount
Principal Pipeline Engineer
Mott MacDonald —Leicester
- Full-time
- Hybrid work
- AutoCAD
- Engineering
- Mentoring
- Employee discount
Principal Layout Integration Engineer
ASSYSTEM —Derby
- Full-time
- Hybrid work
- Engineering
- Business development
- IT
- Annual leave
- Referral programme
Quick apply
Principal Integrity Engineer- Pressure System
Risktec Solutions Limited —Derby
- Full-time
- Hybrid work
- Engineering
- Maintenance
- Master's degree
- Employee discount
- Flexible schedule
Principal Integrity Engineer (PSSR)
Risktec Solutions —Derby
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Bachelor's degree
Principal Design Engineer
Kratos Defense —Derby
- Full-time
- CAD
- Engineering
- Bachelor's degree
Quick apply
Senior Structural Design Engineer
Balfour Beatty —Derby
- Hybrid work
- Engineering
- Analysis skills
- Bachelor's degree
- Annual leave
Design Engineer
Atlas Composites Technologies Ltd —Ilkeston
- Weekend availability
- CAD
- Engineering
- Master's degree
Quick apply
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Principal OHL Design Engineer
Balfour Beatty —Derby
- Hybrid work
- Microsoft Word
- Microsoft Excel
- CAD
- Annual leave
Senior Electrical Project Engineer
Gallifordtry —Mansfield
- Full-time
- Contracts
- Communication skills
- Time management
- Employee assistance programme
- Employee discount

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Senior Principal Mechanical Engineer

Assystem -
Derby

Apply Now

Job details

Permanent

Qualifications

Systems engineering
Water systems
Requirements gathering
Leadership
Communication skills

Full job description

Nuclear
Permanent /
Derby
United Kingdom
14/06/26
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

Join the Fusion and Modular Nuclear Business Unit! Take on a pivotal role in shaping the future of clean energy by establishing, leading, and managing the Cooling Water Island engineering team within a groundbreaking Small Modular Reactor (SMR) development program. Drive the development of a high-performing team, overseeing the design, integration, and execution of critical cooling water systems essential to reactor operation. Play a key role in defining technical strategies, ensuring regulatory compliance, and collaborating across multidisciplinary teams to deliver innovative, high-efficiency engineering solutions that will help revolutionize nuclear power.

Your mission:

Leadership of the Engineering Activities of the Cooling Water Team – Lead and mentor a team of engineers, driving technical excellence, innovation, and collaboration to deliver critical cooling water systems for the Small Modular Reactor (SMR) program.
Development of Safety and Functional Requirements – Define and establish rigorous safety and performance criteria, ensuring compliance with industry regulations and best practices to support safe and reliable reactor operation.
Design Package Production in Line with Requirements – Oversee the creation of comprehensive design packages, ensuring alignment with project specifications, technical standards, and operational needs.
Management of Interfaces – Coordinate effectively between engineering teams, suppliers, and stakeholders to ensure seamless integration of cooling water systems with other reactor components.
Preparation of Technical Specifications – Develop clear, detailed technical specifications to guide procurement, fabrication, and installation of key cooling water system components.
Maintain Equipment Lists and Schedules – Track, update, and manage critical equipment inventories and project schedules to ensure timely delivery and smooth execution of engineering activities.
Management of Risk and Opportunity – Proactively identify potential risks and opportunities, implementing strategies to mitigate challenges and optimize system performance, cost-effectiveness, and overall project success.

Why Join the Community of Switchers?

Over 55 years in nuclear engineering.
Ranked among the top 3 largest nuclear engineering companies.
Attractive social benefits, including an engaging Employee Committee and holiday bonuses.
Ongoing training with numerous career opportunities.
70% of our managers are promoted internally!
Hybrid work: 1-2 days remote per week.

My profile

FEED to Detailed Design Experience – Proven expertise in leading projects from Front-End Engineering Design through to execution.
Multi-Disciplinary Team Leadership – Skilled in managing and coordinating diverse engineering teams.
Steam Cycle Modelling Oversight – Ability to define modelling outcomes and ensure accurate implementation.
Project Budget & Lifecycle Planning – Experienced in budgeting and planning for full design lifecycles.
Cooling Water Equipment Expertise – Strong track record in designing and optimizing cooling water systems.
Regulatory & Compliance Knowledge – Well-versed in ONR, Environment Agency, and HSE regulations.
Requirements Capture Experience – Skilled in gathering and defining technical requirements.
Systems Engineering Awareness – Strong understanding of integrated design principles.
Subcontractor Management – Experienced in overseeing and coordinating subcontractors.
Chartered Engineer (CEng) – Professional accreditation in a relevant discipline.
Security Clearance Eligibility – Capable of obtaining SC clearance for secure projects.

Attributes:

Excellent communication skills, written and oral
Strong leadership skills
Focus on delivering quality output to time and budget
Act with integrity and instils this in others
Has an appreciation of wider technical issues beyond own discipline – Understands interdisciplinary challenges and their impact on projects.
Ability to work with a high degree of independence, using their own initiative and self-motivation – Proactive and capable of managing tasks autonomously.
Confident in a multi-party, multi-national environment – Comfortable working with global teams and diverse stakeholders.
Ability to travel to Assystem offices and customer sites within the UK
To undertake work packages supporting major UK and international Nuclear Clients – Contributes to high-profile nuclear projects with global impact.

Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

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

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senior principal mechanical engineer jobs in long whatton, lec

Senior Principal Mechanical Engineer

Senior / Principal Mechanical Engineer – Nuclear (Civil & Defence)

Senior Hazardous Area Engineer (DSEAR)

Senior Mechanical Engineer (Specials)

Senior Mechanical Engineer

Principal Mechanical Engineer

Senior Mechanical Project Engineer

Principal Pipeline Engineer

Principal Layout Integration Engineer

Principal Integrity Engineer- Pressure System

Principal Integrity Engineer (PSSR)

Principal Design Engineer

Senior Structural Design Engineer

Design Engineer

Principal OHL Design Engineer

Senior Electrical Project Engineer

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