Senior Principal Mechanical Engineer

Assystem; Sunderland; On-site; GBP 60,000 - 100,000; Full time

Job summary

Join a forward-thinking company as a Senior Principal Mechanical Engineer, where you will lead high-performing teams in the Fusion and Modular Nuclear Business Unit. This pivotal role involves driving Front End Engineering Delivery for major programs, ensuring compliance, and fostering innovation in large-scale projects. You will have the opportunity to mentor a talented team, oversee critical engineering activities, and contribute to the energy transition. If you are passionate about engineering and ready to make a significant impact, this is the role for you!

Qualifications

• Experience in leading multi-disciplinary design teams and managing project lifecycles.
• Proven ability in Front End Engineering solutions and technical compliance.

Responsibilities

• Lead engineering activities ensuring project goals and technical excellence.
• Develop and approve technical specifications and oversee risk management.

Skills

Leadership Skills

Communication Skills

Project Management

Risk Management

Technical Specification Development

Model-Based System Engineering

Budget Management

Multi-disciplinary Team Management

Education

Chartered Engineer (CEng)

Tools

FEED

Design Packages

Job description

Assystem Sunderland, England, United Kingdom

Senior Principal Mechanical Engineer

5 days ago Be among the first 25 applicants

Assystem is a global leader committed to accelerating the energy transition. With 7,750 employees across 12 countries, we tackle the monumental task of switching to low-carbon energy. Our 55+ years of experience in highly regulated sectors ensure we deliver top-notch engineering, project management, and digital solutions.

Job Description

Join the Fusion and Modular Nuclear Business Unit! Lead, inspire, and shape the future of engineering! As the driving force behind the formation, leadership, and management of high-performing engineering teams, you will spearhead Front End Engineering Delivery for NNB major programmes. This pivotal role offers the opportunity to build and develop expert teams, drive technical excellence, and play a crucial part in delivering innovative, large-scale projects that will shape the energy landscape.

Your mission:

• Leadership of the engineering activities – Lead and oversee all engineering activities, ensuring alignment with project goals and technical excellence.
• Approvals for Safety and Functional Requirements – Review and approve critical safety and functional requirements to maintain compliance and operational integrity.
• Leadership and demonstration of Design Packages in line with requirements – Guide the development and presentation of design packages, ensuring they meet all technical and regulatory standards.
• Model-Based System Engineering oversight and sign-off – Provide expert oversight and final approval for Model-Based System Engineering (MBSE) processes and deliverables.
• Preparation and sign-off of Technical Specifications – Develop, review, and approve technical specifications to ensure clarity, feasibility, and compliance.
• Programme monitoring and reporting – Track project progress, generate reports, and ensure milestones are met efficiently and effectively.
• Management of Risk and Opportunity – Identify, assess, and mitigate risks while proactively exploring opportunities for improvement and innovation.
• Team development and management – Build, mentor, and lead a high-performing engineering team to achieve project success.
• SQEPing of resources – Ensure Suitably Qualified and Experienced Personnel (SQEP) are in place to meet project demands and regulatory requirements.
• Coaching and identifying training needs – Support continuous professional development by coaching team members and identifying necessary training programs.

Qualifications

• Experience in similar roles with specific emphasis on FEED through to detailed design
• Experienced in leading and managing multi-disciplinary design teams
• Able to define steam cycle modelling outcomes and oversee work undertaken
• Ability to define budgets/work programmes for complete design project lifecycles
• Proven ability in Front End Engineering solutions associated with NNB Conventional Island
• Good understanding of relevant Regulations, ONR, Environment Agency, and HSE matters
• Experience of Requirements Capture/Elicitation/Management
• Model-Based System Engineering practitioner
• Experience in managing sub-contracts and sub-contractors
• CEng in a relevant discipline
• SC Clearance or capable of achieving it

Additional Information

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
• Ability to work with a high degree of independence, using their own initiative and self-motivation
• Confident in a multi-party, multi-national environment
• Ability to travel to Assystem offices and customer sites within the UK
• To undertake work packages supporting major UK and international Nuclear Clients

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.

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.

Seniority level

Not Applicable

Employment type

Full-time

Job function

Industries: Business Consulting and Services