Senior Principal Mechanical Engineer

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Senior Principal Mechanical Engineer, Derby

Client: ASSYSTEM

Location: Derby, UK

Job Category: Engineering / Mechanical

EU work permit required: Yes

Job Reference: 1ca519fe3304

Job Views: 8

Posted: 26.04.2025

Expiry Date: 10.06.2025

Job Description:

Join the Fusion and Modular Nuclear Business Unit! Assystem is seeking a Senior Principal Mechanical Engineer to join our expanding Fusion and Modular Nuclear (FMN) business unit. You will work on cutting-edge projects, developing innovative technical solutions to make net-zero power generation a reality.

Your responsibilities include:

• Leading and supporting the development of designs for systems such as Personnel Airlocks, Main Equipment Access Hatches, Fuel Transfer Channels, Piping and Electrical Penetrations, and Nuclear Doors.
• Conducting DFMEA (Design Failure Mode and Effects Analysis) to identify and mitigate potential failure modes early in the design process.
• Performing HAZID (Hazard Identification Study) to assess and document risks.
• Completing and maintaining Human Factors Checklists to ensure ergonomic and usability considerations.
• Updating and managing the project’s Risk Register to track and mitigate risks.
• Overseeing the creation of comprehensive Design Packages aligned with project specifications and standards.
• Managing interfaces between engineering teams, suppliers, and stakeholders for seamless integration of cooling water systems.
• Preparing detailed Technical Specifications for procurement, fabrication, and installation.
• Collaborating with cross-functional teams across engineering and project functions.

Why Join Us?

• Over 55 years in nuclear engineering.
• Ranked among the top 3 largest nuclear engineering companies.
• Attractive social benefits, including employee engagement activities and bonuses.
• Ongoing training and career development opportunities.
• 70% of managers promoted internally.
• Hybrid work model: 1-2 days remote per week.

Qualifications:

• Leadership experience managing multidisciplinary engineering teams.
• Expertise in Steam Cycle Modelling and Cooling Water Equipment.
• Experience in project budgeting and lifecycle planning.
• Knowledge of regulatory and compliance standards (ONR, Environment Agency, HSE).
• Skills in requirements capture, systems engineering, and subcontractor management.
• Chartered Engineer (CEng) status and SC security clearance eligibility.

Additional Requirements:

• Excellent communication skills, both written and oral.
• Strong leadership and team management abilities.
• Focus on quality, time, and budget adherence.
• High integrity and interdisciplinary understanding.
• Ability to work independently and proactively.
• Comfortable working in a multi-national environment.
• Willingness to travel within the UK for work at various sites.

Note: Applicants must meet UK residency criteria to attain necessary security clearances. We promote diversity and are committed to equal opportunity in our hiring practices. Your unique contributions will help us shape the future of nuclear engineering.