Principal Mechanical Engineer

Principal Mechanical Engineer

Location: Warrington (Cheshire), Hessle (East Riding of Yorkshire), or Preston (Lancashire). Hybrid working arrangements: 3 days in the office.

Role Type: Full time / Permanent. Compensation: Competitive Salary + Benefits.

The role

As a Principal Mechanical Engineer, you'll lead multidisciplinary engineering teams in a major civil nuclear decommissioning initiative. The project focuses on safety, regulatory compliance, and environmental stewardship while integrating complex mechanical systems.

Responsibilities

• Lead and manage multidisciplinary engineering teams to deliver high-quality technical solutions aligned with customer requirements and project scope.
• Supervise and mentor engineers and technical specialists, ensuring effective performance, development, and adherence to engineering standards.
• Act as a key liaison with customers, fostering strong relationships and ensuring transparent communication on technical progress and delivery.
• Oversee the production, review, and approval of engineering outputs, including calculations, specifications, and reports, ensuring compliance with relevant codes and standards.
• Champion health, safety, and environmental standards across engineering activities, promoting a culture of best practice and continuous improvement.

Essential Experience

• Extensive experience leading multidisciplinary engineering teams and delivering complex technical projects within agreed scope, timeframes, and quality standards.
• Proven ability to supervise and mentor engineers and technical specialists, fostering professional development and ensuring high performance.
• Strong background in producing, reviewing, and approving detailed engineering outputs, including calculations, specifications, and technical reports.
• Demonstrated expertise in applying relevant procedures, codes, and standards to ensure compliance and technical integrity across engineering activities.
• Track record of effective customer engagement, including managing relationships, resolving technical issues, and supporting business development initiatives.

Qualifications

• Engineering degree (or equivalent qualification) in a relevant engineering discipline.
• Matched contribution pension scheme with life assurance.
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+.
• Employee share scheme and employee shopping savings portal.
• Payment of Professional Fees and reservist benefits.
• Holiday trading benefit allows buying or selling up to one working week of annual leave.
• 'Be Kind Day' enables one working day of paid leave a year for volunteering work.
• Excellent development opportunities and a comprehensive wellbeing support programme.

Inclusion

We are a disability confident committed employer. If you have a disability or need reasonable adjustments during the application and selection stages, please email with the subject header 'Reasonable adjustments requirement'. We are committed to building an inclusive culture where everyone can thrive.