Senior / Principal Mechanical Engineer - Nuclear (Civil & Defence)

Reference: EB35946

We are seeking a highly skilled and motivated Senior / Principal Mechanical Engineer specializing in Nuclear (Civil & Defence) to join our dynamic team. In this pivotal role, you will be responsible for leading the design, analysis, and implementation of innovative mechanical systems within nuclear projects. You will collaborate closely with multidisciplinary teams to ensure that all engineering solutions meet the highest standards of safety, efficiency, and regulatory compliance. Your expertise will guide the development of project specifications, technical documentation, and the execution of feasibility studies while mentoring junior engineers to foster growth and innovation within the team.

The ideal candidate will possess a strong background in mechanical engineering principles, with a focus on nuclear applications. You should have extensive experience in the design and analysis of mechanical systems, as well as a solid understanding of industry regulations and standards. Responsibilities include conducting detailed engineering analysis, performing risk assessments, and interfacing with clients and stakeholders to deliver comprehensive project solutions. A degree in Mechanical Engineering or a related field is required, along with relevant professional accreditation. Prior experience in the nuclear or defense sectors will be highly advantageous. Join us in shaping the future of sustainable energy and defense solutions!

COMPETITIVE SALARY

Derby

Permanent

AtkinsRéalis

Added 20/01/2026
Reference: EB35946

Senior / Principal Mechanical Engineer - Nuclear (Civil & Defence)

Derby
Permanent
AtkinsRéalis

Other similar jobs

Senior / Principal Mechanical Engineer - Nuclear (Civil & Defence)

Added 19/02/2026

We are seeking a highly skilled Senior / Principal Mechanical Engineer with extensive experience in the nuclear sector, particularly within civil and defence projects. In this critical role, you will lead the design, analysis, and implementation of mechanical systems for nuclear facilities, ensuring compliance with industry standards and regulations. You will collaborate closely with cross-functional teams, overseeing project timelines, budgets, and quality control measures. Your expertise will be vital in conducting feasibility studies, developing detailed specifications, and managing the integration of mechanical systems with other engineering disciplines. The ideal candidate will possess a strong background in mechanical engineering principles and...

Learn more

Senior / Principal Mechanical Engineer – Nuclear (Civil & Defence)

Added 02/02/2026

We are seeking a highly skilled and motivated Senior / Principal Mechanical Engineer with a focus on Nuclear, Civil, and Defence sectors to join our dynamic team. In this pivotal role, you will be responsible for leading the design, analysis, and implementation of mechanical systems and components for nuclear facilities and defence projects. Your expertise will ensure compliance with industry standards and regulations, while driving innovation and efficiency in our engineering processes. You will collaborate closely with multidisciplinary teams, providing technical guidance and support throughout all project phases, from concept through to execution and commissioning. The ideal candidate will possess...

Learn more

Mechanical Engineer – Nuclear (Civil & Defence)

Added 02/02/2026

We are seeking a highly motivated and skilled Mechanical Engineer specializing in Nuclear (Civil & Defence) to join our dynamic team. In this role, you will be responsible for the design, analysis, and implementation of mechanical systems and components for nuclear civil and defense projects. Your expertise will play a crucial role in ensuring the safety, efficiency, and reliability of our innovative solutions. You will collaborate closely with multidisciplinary teams to develop project specifications, conduct feasibility studies, and provide technical support throughout the project lifecycle. To be successful in this role, you should possess a Bachelor’s degree in Mechanical Engineering...

Learn more

Senior/Principal Mechanical HVAC Engineer - Nuclear

Added 21/11/2025

We are seeking a highly skilled Senior/Principal Mechanical HVAC Engineer with extensive experience in the nuclear sector to join our dynamic team. In this role, you will be responsible for designing, analyzing, and implementing HVAC systems specifically tailored for nuclear facilities. You will oversee the development of mechanical systems from concept through to execution, ensuring compliance with industry standards and regulations. Collaborating closely with multidisciplinary teams, you will provide technical leadership, mentoring junior engineers, and guiding projects to successful completion while maintaining high safety and quality standards. Your core responsibilities will include conducting system calculations, preparing detailed design documents, and...

Learn more

Senior/Principal Mechanical HVAC Engineer - Nuclear

Added 21/11/2025

We are seeking a highly skilled Senior/Principal Mechanical HVAC Engineer with a specialization in Nuclear Engineering to join our dynamic team. In this role, you will be responsible for the design, analysis, and implementation of HVAC systems for nuclear facilities, ensuring compliance with stringent industry regulations and safety standards. You will lead projects from conceptual design through to completion, collaborating closely with multidisciplinary teams to deliver innovative solutions that enhance operational efficiency and safety. Your expertise will play a crucial role in optimizing thermal performance, energy efficiency, and environmental controls within nuclear power plants. The ideal candidate will possess a...

Learn more

Senior/Principal Mechanical HVAC Engineer - Nuclear

Added 21/11/2025

We are seeking a highly skilled and experienced Senior/Principal Mechanical HVAC Engineer specializing in Nuclear systems to join our dynamic team. In this role, you will be responsible for designing, analyzing, and implementing HVAC systems specifically tailored for nuclear facilities. You will work closely with cross-functional teams to ensure compliance with industry standards, safety regulations, and project specifications. Your expertise will guide the development of innovative solutions that meet performance, reliability, and sustainability criteria, ensuring the highest level of efficiency in nuclear operations. Your primary duties will include conducting detailed thermal and fluid flow analysis, developing HVAC system designs and...

Learn more

Senior/Principal Mechanical HVAC Engineer - Nuclear

Added 21/11/2025

We are seeking a highly skilled and experienced Senior/Principal Mechanical HVAC Engineer specializing in nuclear applications to join our dynamic team. In this role, you will lead the design, analysis, and implementation of HVAC systems for nuclear power plants and related facilities. Your expertise will play a critical role in ensuring compliance with stringent industry standards and regulatory requirements. Responsibilities include conducting thermal and fluid flow analyses, developing system specifications, and collaborating with multidisciplinary teams to deliver innovative HVAC solutions. You will also oversee project schedules, manage budgets, and mentor junior engineers to foster a culture of excellence and continuous...

Learn more

Senior/Principal Mechanical HVAC Engineer - Nuclear

Added 21/11/2025

We are seeking a highly skilled Senior/Principal Mechanical HVAC Engineer with a strong background in the nuclear sector to join our dynamic team. In this role, you will be responsible for the design, analysis, and implementation of advanced HVAC systems specifically tailored for nuclear facilities. Your expertise will be essential in ensuring compliance with stringent safety regulations and industry standards. You will lead a team of engineers, overseeing project timelines, budgets, and deliverables, while also collaborating with multidisciplinary teams to integrate HVAC solutions into overall facility designs. Your innovative approach will contribute to the optimization of energy efficiency and system...

Learn more

Senior/Principal Mechanical HVAC Engineer - Nuclear

Added 21/11/2025

We are seeking a highly skilled and experienced Senior/Principal Mechanical HVAC Engineer with a strong background in nuclear engineering to join our dynamic team. In this role, you will be responsible for the design, analysis, and implementation of HVAC systems for nuclear facilities, ensuring compliance with industry standards and regulations. You will lead projects from concept through to completion, collaborating with multidisciplinary teams to deliver innovative and efficient solutions. Your expertise will play a crucial role in enhancing the safety and reliability of nuclear facilities while optimizing system performance. Your key responsibilities will include conducting detailed thermal and fluid analyses,...

Learn more

Senior/Principal Mechanical Engineer

Added 05/02/2026

We are seeking a highly skilled and experienced Senior/Principal Mechanical Engineer to join our dynamic team. In this role, you will be responsible for leading the design, development, and implementation of innovative mechanical systems and components. You will collaborate closely with cross-functional teams, including electrical, software, and manufacturing engineers, to ensure that projects are completed on time, within budget, and to the highest quality standards. Your expertise will drive the creation of cutting-edge products, and you will play a pivotal role in mentoring junior engineers and fostering a culture of continuous improvement. The ideal candidate will possess a strong background...

Learn more

Senior/Principal Mechanical Engineer

Added 03/02/2026

We are seeking a highly skilled Senior/Principal Mechanical Engineer to join our innovative engineering team. In this role, you will be responsible for leading the design and development of complex mechanical systems and components, ensuring that all projects meet stringent quality and safety standards. You will collaborate closely with cross-functional teams, including electrical, software, and manufacturing engineers, to drive product development from concept to production. Your expertise will be essential in conducting feasibility studies, simulations, and performance analyses, as well as creating detailed engineering specifications and documentation. The ideal candidate will possess a strong background in mechanical engineering principles, with...

Learn more

Senior / Principal Mechanical Building Services Engineer

Added 21/11/2025

We are seeking a highly skilled and experienced Senior / Principal Mechanical Building Services Engineer to join our dynamic team. In this pivotal role, you will be responsible for leading the design, development, and implementation of mechanical building services systems across a variety of projects, including commercial, residential, and industrial sectors. Your expertise will be essential in ensuring compliance with relevant codes and standards while promoting innovative and sustainable engineering solutions. You will collaborate closely with architects, electrical engineers, and project managers to deliver high-quality results that meet client expectations and budgetary constraints. Your key responsibilities will include conducting detailed...

Learn more

Senior / Principal Mechanical Building Services Engineer

Added 21/11/2025

We are seeking a highly skilled and experienced Senior / Principal Mechanical Building Services Engineer to join our dynamic team. In this pivotal role, you will lead the design and implementation of mechanical systems for a variety of building projects, ensuring high standards of quality, performance, and sustainability. Your responsibilities will include conducting detailed assessments of mechanical systems, developing innovative designs, and collaborating with multidisciplinary teams to deliver comprehensive engineering solutions. You will also oversee project management aspects, including budgeting, scheduling, and compliance with regulatory standards. The ideal candidate will possess a degree in Mechanical Engineering or a related field,...

Learn more

Senior / Principal Mechanical Building Services Engineer

Added 21/11/2025

We are seeking a highly skilled and experienced Senior / Principal Mechanical Building Services Engineer to join our dynamic team. In this pivotal role, you will lead the design and specification of mechanical building services for a diverse range of projects, ensuring compliance with industry standards and client requirements. Your responsibilities will include conducting detailed analyses and simulations, developing innovative solutions, and collaborating closely with multidisciplinary teams to deliver exceptional project outcomes. You will also oversee the preparation of reports, technical documentation, and presentations while mentoring junior engineers to foster their professional growth. The ideal candidate will possess a degree...

Learn more

Senior / Principal Mechanical Building Services Engineer

Added 21/11/2025

We are seeking a highly skilled and motivated Senior / Principal Mechanical Building Services Engineer to join our dynamic team. In this pivotal role, you will be responsible for leading the design and implementation of mechanical building services systems for a variety of projects, ensuring compliance with industry standards and regulations. Your main duties will include developing and reviewing detailed design specifications, performing system calculations, and conducting feasibility studies. You will also collaborate closely with architects, structural engineers, and other stakeholders to integrate mechanical systems seamlessly into building designs, enhancing both functionality and energy efficiency. To succeed in this role,...

Learn more
Required for two factor authentication
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.