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Engineering principal mechanical design engineer
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BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Ulverston LA12, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Kirkby-in-Furness LA17, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Dalton-in-Furness, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Barrow-in-Furness, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Millom LA18, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Broughton-in-Furness LA20, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Askam-in-Furness LA16, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
BS
01 Mar, 2026
Permanent
Principal Mechanical Design Engineer
BAE Systems Grange-over-Sands LA11, UK
Job Title: Principal Mechanical Design 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: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature,...
MBDA UK
08 Mar, 2026
Permanent
Principal Mechanical Design Engineer
MBDA UK Stevenage, UK
Mechanical Engineering is excited to offer multiple opportunities for experienced Principal Mechanical Design Engineers, with roles available across all areas of the Product Life Cycle, from mechanical future concepts and detailed design through qualification, production, and in-service support. In these roles of responsibility, you will lead the development of mechanical solutions for a wide variety of complex weapons and weapon systems, working closely with multi-disciplinary teams across engineering, manufacturing, quality, and supply chain. You will be expected to provide technical leadership, drive design maturity, and act as a key interface with internal and external stakeholders. Salary: Circa £50,000+ depending on experience Location: Stevenage (relocation package may be available) Dynamic (Hybrid) Working: An average of 2-3 days per week on-site dependent on work classification Security Clearance: British Citizen or a Dual UK national with British citizenship....
MBDA UK
08 Mar, 2026
Permanent
Principal Mechanical Design Engineers - Test Equipment
MBDA UK Stevenage, UK
Due to increased workload, we are looking for experienced Principal Mechanical Design Engineers to work in all areas of the Product Life Cycles with the drive and enthusiasm to join Europe's leading missile systems provider, developing and designing Test Equipment solutions for the next generation of weapons. Salary : Up to £55,000 depending on Experience Location : Stevenage (We may be able to offer a relocation package for this role) Dynamic (hybrid) working : 2-3 days per week on-site due to workload classification Security Clearance : British Citizen or a Dual UK national with British citizenship Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Kirkby-in-Furness LA17, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Grange-over-Sands LA11, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Askam-in-Furness LA16, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Ulverston LA12, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Dalton-in-Furness, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Millom LA18, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Barrow-in-Furness, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
05 Mar, 2026
Permanent
Principal Engineer - Safety & Environmental Engineering (Control Damage Hazards)
BAE Systems Broughton-in-Furness LA20, UK
Job Title: Principal Safety Engineer - Safety & Environmental Engineering 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: Competitive What you'll be doing: Provide technical leadership as a subject matter expert in safety engineering Mentor and develop engineers, guiding safety analysis and influencing design decisions Analyse and influence nuclear submarine design using safety engineering techniques, focussing on major hazards (fires, explosions including DSEAR, steam release) Apply engineering judgement to justify design safety and compliance Interface with regulators, clients within the MOD and internal stakeholders Develop and review safety case documentation to substantiate design safety Your skills and experiences: Essential: Degree qualified in a relevant STEM discipline or equivalent experience...
BS
25 Feb, 2026
Permanent
Principal Engineer - Electrical Engineering (Power)
BAE Systems Grange-over-Sands LA11, UK
Job Title: Principal Engineer - Electrical Engineering (Power) Location: Barrow-In-Furness (Hybrid). - (Barrow - 2 days a fortnight onsite; 1 day a week onsite at Filton) depending on business needs Salary: Up to £57,500 (Commensurate with skills and experience) What you'll be doing: Develop design solutions to agreed time, cost and quality in accordance with project or business milestones Develop and manage requirements and acceptance criteria specific to a system or product and/or across a system of systems, platform or programme Understand the contractual and performance requirements for various systems, and support the definition and associated acceptance criteria and events through design, build, integration, installation and commissioning activities Produce documentation required to support the design review process, including diagrams; technical specifications; supporting calculations; design evidence and justifications Provide technical support...
BS
25 Feb, 2026
Permanent
Principal Engineer - Electrical Engineering (Power)
BAE Systems Askam-in-Furness LA16, UK
Job Title: Principal Engineer - Electrical Engineering (Power) Location: Barrow-In-Furness (Hybrid). - (Barrow - 2 days a fortnight onsite; 1 day a week onsite at Filton) depending on business needs Salary: Up to £57,500 (Commensurate with skills and experience) What you'll be doing: Develop design solutions to agreed time, cost and quality in accordance with project or business milestones Develop and manage requirements and acceptance criteria specific to a system or product and/or across a system of systems, platform or programme Understand the contractual and performance requirements for various systems, and support the definition and associated acceptance criteria and events through design, build, integration, installation and commissioning activities Produce documentation required to support the design review process, including diagrams; technical specifications; supporting calculations; design evidence and justifications Provide technical support...
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