Principal Mechanical Engineer

Mechanical Engineer (Senior/Principal Level) Locations: Warrington or Leicester (role dependent)

Hours: Full-time, 37 hours per week

Working Pattern: Hybrid — 3 days office / 2 days home

We are looking for experienced Mechanical Engineers at Senior and Principal. These roles offer the chance to work on engineering challenges that are out of the ordinary, contributing to high‑profile, complex projects while shaping technical delivery and maintaining engineering excellence. Nuclear experience is preferred but not essential, similar highly regulated industries will also be considered.
About the Role You will play a key part in delivering engineering and technical activities, maintaining design intent, and ensuring the application of the correct processes, procedures and standards. You’ll support effective customer management and collaboration across multi-disciplinary teams, helping to resolve technical issues and ensuring progress is communicated clearly.

Day-to-day, you will:

• Assist in managing customer relationships, including engaging with new and existing clients and keeping them fully informed of progress.
• Ensure procedures, codes and standards are correctly identified and applied to engineering and technical activities.
• Communicate and manage task and project risks effectively.
• Produce, review and approve calculations, analyses, drawings, models, design basis documentation and technical reports.
• Contribute to Project Safety Assessment processes and maintain the overall engineering configuration and design integrity.
• Provide technical guidance, and depending on experience, lead engineering teams and champion high performance across projects.

What We’re Looking For You will bring strong engineering judgement, technical rigour, and the ability to collaborate effectively across disciplines. Depending on experience, you may also be responsible for leading teams, challenging the status quo, and influencing stakeholders across the business.

Essential Experience

• Engineering experience in any highly regulated sector.
• Ability to work collaboratively within multi-discipline teams.
• Experience delivering a range of tasks with varying levels of complexity.
• Strong communication skills and the ability to interface with other disciplines and stakeholders.
• Knowledge of CAD tools and general engineering drawing practice (more strongly weighted for Principal level).
• Experience leading teams and influencing stakeholders (required for Principal level).

Qualifications

• Minimum HNC/HND in Engineering, or equivalent relevant experience.
• Chartered status or the ability to obtain it (expected at Principal level).

Applicants must be able to achieve and maintain Security Check (SC) clearance.

The NRL Group connect global companies with the right people to bring engineering projects to life. Supporting contracting companies with energy transition plans and working with our clients to create a cleaner, greener future.
 
We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer. You can ensure you stay safe when job searching online by visiting the JobsAware website.