Mechanical Engineer - V&V

Job Description We are seeking a Mechanical Engineer with strong Verification & Validation (V&V) experience to support the development and assurance of complex engineering systems within the nuclear sector. This role is ideally suited to an engineer with a solid mechanical engineering foundation who understands how to verify and validate system requirements, designs and performance throughout the engineering lifecycle. Experience in pressure equipment, HVAC design, fluid systems or ASME standards is advantageous, but we are equally interested in candidates with a strong V&V methodology who can quickly develop technical knowledge in these areas. Key Responsibilities: Plan and execute Verification & Validation activities for complex mechanical systems. Develop verification strategies, test specifications and validation procedures. Ensure requirements are fully traceable and demonstrably verified. Review designs and technical documentation to confirm compliance with performance and safety requirements. Work closely with multidisciplinary engineering teams throughout the project lifecycle. Support requirements management, system integration and acceptance activities. Participate in design reviews, technical assessments and engineering assurance processes. Qualifications Required Skills: Proven experience delivering Verification & Validation (V&V) activities. Strong understanding of systems engineering principles and requirements verification. Ability to interpret engineering specifications and translate them into verification and validation plans. Experience working within complex engineering or highly regulated environments. Excellent communication and stakeholder management skills. Required Qualifications: A Bachelor’s or Master’s degree in Engineering, or equivalent military experience. Desirable Skills: Pressure equipment or pressure systems. HVAC systems. Fluid systems and piping networks. ASME codes and standards. Nuclear industry experience. Requirements management tools such as DOORS or Polarion. Safety-critical engineering environments. Additional Information Why join us?  We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today. In short you get:  A personalised career path and a rewarding management style  A huge diversity of engineering projects and industries Private Medical Insurance Cycle & Tech Scheme  Employee assistance programme Life insurance & Pension Scheme Social atmosphere, regular gatherings & team buildings Flexible way of working (role dependent) We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.  ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.  This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview. Company Description ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation. Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today. Join us and start building tomorrow’s world today!