Senior Piping Engineer

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Mott Mac Donald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. The unit provides integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. We help deliver the energy transition worldwide.

Due to new project wins and continued growth, Mott Mac Donald is recruiting Senior Piping Engineers to join our Nuclear, Defence and Civil division. This role offers an exciting opportunity to work on innovative projects across the defence and nuclear new‑build industries, contributing to high‑profile engineering challenges while developing your career within an organisation committed to supporting your professional growth.

• Act as a design co‑ordinator, managing multi‑disciplinary engineering teams and collaborating with Project Managers and discipline Team Leaders.
• Prepare detailed design reports, specifications, and component datasheets.
• Perform engineering calculations and review/approve engineering reports, calculations, and drawings.
• Provide guidance to mechanical designers on plant layout and component specifications.
• Liaise with other engineering disciplines, clients, and contractors to ensure smooth project execution.
• Lead and participate in design co‑ordination meetings, both internally and externally.
• Provide procurement and construction support for ongoing projects.
• Maintain accurate project documentation and ensure version control.
• Offer professional advice on mechanical engineering matters to both internal and external clients.
• Continuously develop professional knowledge and skills to stay ahead in the field.
• Ensure compliance with corporate health, safety, environmental, and quality standards.
• Travel may be required within the UK or abroad for site visits and meetings.

• Chartered status with the IMechE or other relevant professional body (or equivalent experience with progress toward chartered status).
• Proven experience in delivering engineering design and consultancy services.
• Background in highly regulated industries (preferably Nuclear, but Oil & Gas, Pharmaceutical, or Rail experience will be considered).
• Strong knowledge of relevant codes, standards, and legislation, with experience delivering work packages to clients.
• Excellent communication skills and the ability to work collaboratively with diverse teams; proficiency in MS Office suite.
• Self‑motivated, able to work on own initiative, and manage time effectively.

• Private medical insurance for all UK colleagues.
• Health cash plan to support you with everyday health costs and treatments.
• Access to Peppy, providing free support from menopause experts for all UK colleagues.
• A variety of wellbeing support is available through our comprehensive wellbeing programme, including support for you and your family.
• Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family.

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4 × your basic salary, with an option to increase the level of cover to 6 × your salary.
• Our income protection scheme provides a financial benefit, as well as absence and return‑to‑work support due to long‑term illness or injury.
• Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving, and will writing.
• As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.

• Minimum of 33–35 days holiday each year, inclusive of public holidays, with the ability to buy or sell leave through our flexible benefits…