Senior Process Engineer
Location: Plymouth, Devon (Hybrid Working Arrangements)
Compensation: £54,019 – £60,429 depending on experience
Role Type: Full time / Permanent
Role ID: SF70379
The role
As a Senior Process Engineer, you’ll play a pivotal role at the heart of the UK’s defence infrastructure, supporting essential engineering activity that safeguards the capability, safety and performance of nuclear plant and equipment across Devonport’s Nuclear Licensed Site and the Ministry of Defence’s Authorised Site.
Day‑to‑day, you’ll lead critical process design projects across all engineering design phases, applying your expertise to ensure systems, equipment and infrastructure remain safe, reliable and aligned with rigorous regulatory requirements.
Key responsibilities
- Lead the development and delivery of process designs across all design phases, from concept to implementation.
- Manage the production, checking and approval of technical documentation, drawings and engineering reports.
- Undertake engineering analyses, including calculations, component structural assessments and system fluid‑flow modelling.
- Ensure compliance with nuclear site licence conditions, statutory requirements and engineering codes and standards.
- Provide through‑life engineering support for nuclear process systems and collaborate with engineers across chemical, process and mechanical disciplines.
Essential Experience
- Understanding of mechanical engineering principles for the design, operation and maintenance of pressure and pipework systems.
- Knowledge of the engineering design lifecycle and technical documentation controls.
- Experience in project specification, planning and budgeting.
- Technical capability in at least one of the following: pressure systems, component engineering simulation, nuclear plant design, CAD, or fluid‑flow analysis.
- Familiarity with engineering codes, standards and legislation in a regulated industry.
- Experience gained in nuclear, defence, oil and gas, utilities or other pressure‑systems industries – Desirable.
Qualifications
- Minimum HND, FdSc, FdEng or equivalent qualification in mechanical, process or chemical engineering.
- Professional registration or working toward it (e.g., IEng/CEng) – Desirable.
Security Clearance
The successful candidate must be a sole UK National who is able to achieve and maintain Naval Nuclear Propulsion Information (NNPPI) security clearance for this role. Many of the positions within our company are subject to national security clearance and Trade Control restrictions. Eligibility for certain roles may be affected by your place of birth, nationality, current or former citizenship, and any residency you hold or have held. Further details are available at United Kingdom Security Vetting: clearance levels – GOV.UK.
Benefits
- Generous holiday allowance
- Matched contribution pension scheme, with life assurance
- Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
- Employee share scheme
- Employee shopping savings portal
- Payment of Professional Fees
- Reservists in the armed forces receive 10‑days special paid leave
- Holiday Trading allows employees to buy additional leave or sell up to one working week of annual leave. An annual Window is provided to request this benefit.
- Be Kind Day enables employees to take one working day’s paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity.
- Excellent development opportunities and an employee assistance program supporting physical, mental and financial wellbeing.
Additional Information
We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email careers@babcockinternational.com with the subject header ‘Reasonable adjustments requirement’. We’re committed to building an inclusive culture where everyone’s free to thrive. We are happy to talk about flexible working – please ask about alternative patterns of work at interview.
Closing date: 11/06/2026
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