Job Title: Principal Mechanical Engineer Department: Engineering Location: Various Reports to: Engineering Manager / Technical Lead Company: Role Purpose The Principal Mechanical Engineer provides technical leadership and subject matter expertise in the delivery of mechanical engineering activities. The role applies extensive domain knowledge and experience to resolve complex engineering challenges, ensure delivery of high-quality solutions, and guide multi-discipline teams in achieving project objectives. The Principal Mechanical Engineer also mentors less experienced engineers, supports business growth, and upholds the highest standards of safety, quality, and engineering excellence. Key Responsibilities Technical Leadership & Delivery Provide technical leadership and subject matter expertise in mechanical engineering, including structural, piping, HVAC, and rotating equipment as applicable. Ensure the technical management of engineering...

Job title: Principal Mechanical Engineer - 8 year minimum in the Nuclear sector Job Type: Contractor Start date: ASAP Salary: Competitive Location: Warrington, Cumbria or Abingdon Hours of work: Up to 37 hours per week Role: You'll lead mechanical engineering activities across project lifecycles, including design, manufacture, construction, and commissioning support. Responsibilities include: Producing and reviewing technical documentation (drawings, P&IDs, flow diagrams, specifications). Conducting studies for mechanical handling systems and powder processing in high-activity environments. Liaising with suppliers and stakeholders to ensure design intent is met. Supporting and mentoring junior team members. Driving technical solutions, continuous improvement, and safe working practices. Requirements: Degree in Mechanical Engineering or related discipline. 8+ years' relevant experience, ideally in nuclear or regulated industries. Chartered engineer...

Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55k What you'll be doing: Design of multiple platform systems, sub-systems and equipment for the next generation Royal Navy submarines Undertake functional design activities, modelling and analysis Produce design documentation, Verification & Validation evidence and safety justifications Support specification qualification and procurement of components, working collaboratively with suppliers Engaging with stakeholders across the cross-functional project team Driving engineering governance through peer reviews and design reviews Your skills and experiences: Essential: Proven capability in system lifecycle delivery - from concept through to commissioning Demonstrated leadership - either through technical direction,...

Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55k What you'll be doing: Design of multiple platform systems, sub-systems and equipment for the next generation Royal Navy submarines Undertake functional design activities, modelling and analysis Produce design documentation, Verification & Validation evidence and safety justifications Support specification qualification and procurement of components, working collaboratively with suppliers Engaging with stakeholders across the cross-functional project team Driving engineering governance through peer reviews and design reviews Your skills and experiences: Essential: Proven capability in system lifecycle delivery - from concept through to commissioning Demonstrated leadership - either through technical direction,...

Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55k What you'll be doing: Design of multiple platform systems, sub-systems and equipment for the next generation Royal Navy submarines Undertake functional design activities, modelling and analysis Produce design documentation, Verification & Validation evidence and safety justifications Support specification qualification and procurement of components, working collaboratively with suppliers Engaging with stakeholders across the cross-functional project team Driving engineering governance through peer reviews and design reviews Your skills and experiences: Essential: Proven capability in system lifecycle delivery - from concept through to commissioning Demonstrated leadership - either through technical direction,...

Mechanical Engineer - Test & Qualification Aerospace / Defence Projects Salary: Competitive Salary + Pension + Life assurance + Professional Development Prospects Experience: 3-5 years post-graduate industry experience Are you a motivated Mechanical or Aerospace Engineer ready to take your next step in a world-leading safety and engineering organisation? We are looking for a talented engineer with 2+ years' industry experience to join a dynamic Test & Qualification team, where innovation, precision and safety excellence come together. Key Responsibilities: Develop and execute test and qualification plans to verify product performance. Conduct both theoretical analysis and hands-on testing activities. Interpret technical requirements and manage system verification documentation. Analyse test results, produce technical reports, and support design improvements. Identify and implement process improvements within engineering practices. Collaborate...

Job Title: Lead Mechanical Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Competitive What you'll be doing: As a Lead Principal Engineer within the SSNA Platform Mechanical Integrated Delivery Team (IDT), you will play a key leadership role in delivering engineering scope across a complex and fast-paced submarine programme. You'll take ownership of multiple systems, provide technical assurance, and collaborate across disciplines to drive delivery forward. Leading the delivery of assigned engineering scope, ensuring quality and timely outputs across design, integration, and qualification Overseeing technical ownership of several mechanical systems, ensuring compliance with system requirements and effective collaboration across interface areas Producing engineering artifacts, including documentation, calculations and performing...

Job Title: Lead Mechanical Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Competitive What you'll be doing: As a Lead Principal Engineer within the SSNA Platform Mechanical Integrated Delivery Team (IDT), you will play a key leadership role in delivering engineering scope across a complex and fast-paced submarine programme. You'll take ownership of multiple systems, provide technical assurance, and collaborate across disciplines to drive delivery forward. Leading the delivery of assigned engineering scope, ensuring quality and timely outputs across design, integration, and qualification Overseeing technical ownership of several mechanical systems, ensuring compliance with system requirements and effective collaboration across interface areas Producing engineering artifacts, including documentation, calculations and performing...

Job Title: Lead Mechanical Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Competitive What you'll be doing: As a Lead Principal Engineer within the SSNA Platform Mechanical Integrated Delivery Team (IDT), you will play a key leadership role in delivering engineering scope across a complex and fast-paced submarine programme. You'll take ownership of multiple systems, provide technical assurance, and collaborate across disciplines to drive delivery forward. Leading the delivery of assigned engineering scope, ensuring quality and timely outputs across design, integration, and qualification Overseeing technical ownership of several mechanical systems, ensuring compliance with system requirements and effective collaboration across interface areas Producing engineering artifacts, including documentation, calculations and performing...

Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-in-Furness. This position will require a full-time presence on-site Salary: Competitive What you'll be doing: Developing the package of design evidence required to justify a safe, effective design and generate customer confidence in the design solution Specifying and assisting in the build of prototypes, products and systems suitable for testing Providing timely corrective actions on all assigned defects and issues Ensuring that commitments are agreed, reviewed and met Mentoring junior engineers regarding technical matters Making presentations effectively to technical and management audiences and within this, be able to identify and keep abreast of novel technical concepts and markets Author/co-author technical reports, papers, articles, patents and presentations as required Your skills and experiences: Educated to degree level in Engineering, Mechanical or...

Job Title: Lead Mechanical Engineer - Product Assurance Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Deliver high-level engineering assurance across cutting-edge BAE Systems Maritime Submarines products, ensuring integrity across major Submarine Enterprise programmes Plan and prioritise assurance activities using a risk-based approach, optimising limited resources while working to the Submarines Engineering Product Assurance Framework Lead and support key assurance reviews, bringing your SQEP expertise to validate design decisions , technical bids, and engineering evidence Ensure products are safe, compliant, cost-effective, and fully integrated, with hazards demonstrated ALARP and configurations clearly controlled Provide independent oversight to design and technical reviews, offering objective...

Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-in-Furness. This position will require a full-time presence on-site Salary: Competitive What you'll be doing: Developing the package of design evidence required to justify a safe, effective design and generate customer confidence in the design solution Specifying and assisting in the build of prototypes, products and systems suitable for testing Providing timely corrective actions on all assigned defects and issues Ensuring that commitments are agreed, reviewed and met Mentoring junior engineers regarding technical matters Making presentations effectively to technical and management audiences and within this, be able to identify and keep abreast of novel technical concepts and markets Author/co-author technical reports, papers, articles, patents and presentations as required Your skills and experiences: Educated to degree level in Engineering, Mechanical or...

Job Title: Lead Mechanical Engineer - Product Assurance Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Deliver high-level engineering assurance across cutting-edge BAE Systems Maritime Submarines products, ensuring integrity across major Submarine Enterprise programmes Plan and prioritise assurance activities using a risk-based approach, optimising limited resources while working to the Submarines Engineering Product Assurance Framework Lead and support key assurance reviews, bringing your SQEP expertise to validate design decisions , technical bids, and engineering evidence Ensure products are safe, compliant, cost-effective, and fully integrated, with hazards demonstrated ALARP and configurations clearly controlled Provide independent oversight to design and technical reviews, offering objective...

Job Title: Lead Mechanical Engineer - Product Assurance Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Deliver high-level engineering assurance across cutting-edge BAE Systems Maritime Submarines products, ensuring integrity across major Submarine Enterprise programmes Plan and prioritise assurance activities using a risk-based approach, optimising limited resources while working to the Submarines Engineering Product Assurance Framework Lead and support key assurance reviews, bringing your SQEP expertise to validate design decisions , technical bids, and engineering evidence Ensure products are safe, compliant, cost-effective, and fully integrated, with hazards demonstrated ALARP and configurations clearly controlled Provide independent oversight to design and technical reviews, offering objective...

Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-in-Furness. This position will require a full-time presence on-site Salary: Competitive What you'll be doing: Developing the package of design evidence required to justify a safe, effective design and generate customer confidence in the design solution Specifying and assisting in the build of prototypes, products and systems suitable for testing Providing timely corrective actions on all assigned defects and issues Ensuring that commitments are agreed, reviewed and met Mentoring junior engineers regarding technical matters Making presentations effectively to technical and management audiences and within this, be able to identify and keep abreast of novel technical concepts and markets Author/co-author technical reports, papers, articles, patents and presentations as required Your skills and experiences: Educated to degree level in Engineering, Mechanical or...

Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-in-Furness. This position will require a full-time presence on-site Salary: Competitive What you'll be doing: Developing the package of design evidence required to justify a safe, effective design and generate customer confidence in the design solution Specifying and assisting in the build of prototypes, products and systems suitable for testing Providing timely corrective actions on all assigned defects and issues Ensuring that commitments are agreed, reviewed and met Mentoring junior engineers regarding technical matters Making presentations effectively to technical and management audiences and within this, be able to identify and keep abreast of novel technical concepts and markets Author/co-author technical reports, papers, articles, patents and presentations as required Your skills and experiences: Educated to degree level in Engineering, Mechanical or...

Intermediate Mechanical Engineer Location: Milton Keynes (Hybrid) Salary: Around 40,000 About the Company A growing building services consultancy delivering sustainable, high-quality projects across the retail, education, heritage, and industrial sectors, with recent expansion into high-end residential work. The company has grown steadily over the past year, adding new team members and taking on a wider range of projects. They're seeking an Intermediate Mechanical Engineer to bridge the gap between the Technical Director and a team of three graduate/junior engineers. The role is primarily office-based in Milton Keynes, with flexibility for hybrid working. You'll take responsibility for mechanical design delivery, technical supervision, and mentoring, while contributing to a diverse portfolio of projects. Key Responsibilities Lead and deliver mechanical (HVAC) design packages under senior guidance Supervise and mentor junior engineers Coordinate with...

Mechanical Design Engineer Required Milton Keynes We are seeking a talented and motivated Mechanical Engineer to join the R&D department, supporting the global group in all new and improving current product roadmap. In this role, you will be responsible for the mechanical design, product build, and testing of new innovative ideas from concept to production. Our overarching goal is to remain industry leaders by staying ahead of the competition. You will play a crucial role in supporting both custom projects and new product development initiatives. Your responsibilities include developing concept designs to pre-production release, reviewing the current product range, and identifying improvements. Additionally, you will actively contribute to daily projects, working on bespoke designs that meet customer requirements and drive our organization's growth. PRINCIPAL DUTIES AND RESPONSIBILITIES: New Product Development (NPD): Work closely with Design and Development manager...

Maintenance Engineer (Mechanical) Leicester Permanent Position Up To 40,000 PA DOE Day Shift Are you a hands-on problem solver with a passion for keeping machinery running at peak performance? We are on the lookout for a skilled Maintenance Engineer to join our client and help them drive excellence in precision engineering. The Role: As a Maintenance Engineer, you'll play a vital role in ensuring our CNC and production machinery operate smoothly and efficiently. You'll be responsible for: Performing reactive and planned maintenance on CNC machines and other manufacturing equipment Proving mechanical repairs on shafts, gearboxes, chains and pumps Diagnosing PLC faults and implementing effective solutions Supporting continuous improvement initiatives to enhance equipment reliability Collaborating with production teams to minimise downtime and optimise performance What We're Looking For: Proven experience in mechanical maintenance within a manufacturing...

Mechanical Design Engineer Leeds £35,000 - £40,000 base salary The Company Our client designs bespoke machinery for the packaging industry. With ambitious growth plans and over thirty years of experience, the business was recently acquired and has therefore secured the investment to achieve their goals. Currently operating at £1.5M+ turnover, the business plans steady year on year growth to become a major global player. As a result, they are looking to recruit a Mechanical Design Engineer with immediate effect. The Role You ll be in a close-knit Design team with a mentor who has tenured mechanical design experience and a deep understanding of the business and their machinery offering. Working from SolidWorks, you will be responsible for designing new and bespoke machinery. You will: Produce 3D CAD models using SolidWorks Design bespoke machinery either utilising previous designs or completely from scratch Work on a variety of projects across the product offering...