Mechanical Calculation Engineer

About the Role

Location: Hinkley Point C, Bridgwater (hybrid on-site 3 days per week)

Grade: A

Salary: £45,000 - £47,000

Ready to play a key role in solving complex engineering challenges on one of the UK's most ambitious low‑carbon infrastructure projects? Keen to see your calculations directly support construction and commissioning on site? At EDF, Success is Personal – and your expertise will help shape both your impact and your career.

As a Mechanical Calculation Engineer, you will contribute directly to the delivery of safe, efficient engineering solutions supporting the construction of two EPR reactors at Hinkley Point

C. Working within the Joint Design Office (JDO) on site, you will respond to real‑time engineering queries, perform critical mechanical calculations for electrical systems, and help ensure designs meet stringent nuclear safety and quality standards, supporting the transition toward an Electric Britain.

EDF EPR Engineering UK delivers the design for nuclear island buildings, systems, and equipment for Hinkley Point C and similar projects. Working as part of an integrated team, EPR Engineering supports construction and commissioning while preparing design replication feasibility and related engineering activities.

• A degree or equivalent experience in mechanical engineering or a related scientific discipline
• Knowledge of engineering codes and standards such as EUROCODE, ASME, or RCC‑M
• Experience using 2D/3D design and analysis tools (e.g. Navisworks, ANSYS, RSTAB, PDMS, PIPESTRESS)
• Experience producing technical documentation and engineering calculation reports
• Strong ability to perform mechanical stress calculations and engineering assessments
• Proven experience working in multidisciplinary or multicultural engineering teams
• Fluent English communication skills, both written and verbal

• Responding to engineering queries from construction and installation teams on site
• Performing mechanical stress and flexibility calculations for electrical systems (e.g. cable trays, supports)
• Producing and reviewing calculation notes, reports, and supporting technical documentation
• Engaging with stakeholders to clarify issues and propose design modifications where required
• Assessing and integrating design changes, ensuring compliance with quality and safety standards

Alongside a starting salary of £45,000-£47,000 per annum, potential for an annual bonus, and a market‑leading pension scheme, your package will include customisable benefits such as electric vehicle leasing, discounted gym membership, life assurance, tech vouchers, experience days, and more.

Everyone is welcome at EDF; we are committed to building a workforce that reflects gender balance, social mobility, and inclusion of minority ethnic backgrounds, LGBTQ+ communities, and those with disabilities. As a Disability Confident employer, we will support applicants requiring adjustments.

Closing date:
Thursday 18th June.