Principal Mechanical Engineer

Nuvia Ltd; United States; Hybrid; USD 94,000 - 148,000; Full time

Benefits offered by this job

Private Medical

Share Scheme

Holiday allowance

Job summary

NUVIA UK is seeking a Principal Mechanical Engineer to lead the development of bespoke tools for MSSS SEP machines and manage a small design team. The role requires coordinating with client innovation groups and site manufacturing to deliver fully deployable solutions.

The candidate will act as the primary contact from initial request to handover, ensuring cross-functional collaboration and adherence to safety and engineering standards.

Qualifications

• 10+ years of experience in mechanical engineering.
• Understand the roles and specifications of CDM.
• Experience producing design packages for manufacture and installation.
• Familiarity with SL practices, standards, and engineering guides.

Responsibilities

• Lead a small team of designers/engineers to develop tools.
• Oversee requirements, specify them, and develop deployable tools.
• Coordinate with client Innovation teams, site manufacturing, and contractors.

Skills

10+ exp

CDM knowledge

Design packages

SL standards

Team leadership

Decommissioning exp

Education

HNC/HND/ENG Degree

Tools

CAD software

Job description

Principal Mechanical Engineer

Job title: Principal Mechanical Engineer

Contract type: Permanent

Telework? Hybrid (telework possible)

Location: Warrington, Cheshire, GB, WA1 2

Job reference: 2656

Date posted: 2026-09-17

Date of last update: 2026-12-16T11:39:27.79

Description of the assignment

NUVIA UK's Technical Services & Consulting department is fast growing with hybrid opportunities available up and down the country. We are striving to create a multidisciplinary team to offer our clients the best range of talent. BPSS clearance will be required at basic level. Prior clearance will not be transferrable.

Profile

Principal Accountabilities

A Principal Mechanical Engineer is required to continue the development of tools to support early retrievals/operations of the MSSS SEP machines. This role requires an innovative individual with experience within this field. This role will involve managing a small team of designers/engineers to understand the requirements, further specify requirements, and continue the development of bespoke tools through concepts, trials, and manufacture into fully deployable solutions.

In addition, the Principal Engineer will act as the single point of contact from initial request through to handover of a fully functional tool to MSSS plant operation teams. To successfully carry out this role, it will be necessary to integrate and manage other groups such as the client Innovation teams, the site-wide manufacturing capability, and other contractors.

Knowledge, Skills, Qualifications & Experience

• 10+ years of experience
• Understand the roles and specifications of CDM
• Experience producing design packages, suitable for manufacture and installation, containing drawings, method statements, risk assessments
• Familiarity and experience of working and complying with applicable SL practices, standards, and engineering guides
• HNC/ HND/ Scientific or Engineering Degree
• Highly desirable: experience of working in decommissioning legacy facilities, materials, and contaminated hazards

Why us?

Employee Staff Benefits:

• Private Medical Scheme
• Employee Share Scheme
• Salary Sacrifice Schemes: Electrical Vehicles, Technology, and Cycle to Work
• 18 Weeks Full Maternity Pay
• (+21w SMP)
• 25 days holiday (increasing to 28 days after 5 years' service, 31 days after 10 years' service)
• Option to buy, sell, and carry over up to 5 days of annual leave per year
• In partnership with trade unions
• Personal Development & Further Education Support
• Long Service & Recognition Awards
• Free Employee Assistance Programme
• After 1 year of service.

About Nuvia

Nuvia - a subsidiary of VINCI Construction - is an international company operating across highly regulated sectors including Civil Nuclear, with a strong presence and history of delivery at nuclear sites in the UK and internationally. Nuvia is a performance-driven company committed to the development of its people within a culture of safety, innovation, and excellence. Nuvia UK is committed towards equality in employment.

Job location

Europe, United Kingdom, England, North West

Address: Warrington