A leading engineering firm in defense is seeking a Principal Engineer - Mechanical Systems to join their team in Plymouth with hybrid working. The role involves leading mechanical engineering for nuclear and non-nuclear systems, ensuring compliance with regulations, and developing innovative design solutions. Candidates must have a degree in Mechanical Engineering or Building Services, and Chartered Engineer status or ambition to achieve it. Competitive compensation and benefits package included.
02/02/2026
Full time
A leading engineering firm in defense is seeking a Principal Engineer - Mechanical Systems to join their team in Plymouth with hybrid working. The role involves leading mechanical engineering for nuclear and non-nuclear systems, ensuring compliance with regulations, and developing innovative design solutions. Candidates must have a degree in Mechanical Engineering or Building Services, and Chartered Engineer status or ambition to achieve it. Competitive compensation and benefits package included.
Job Title: Principal Engineer - Mechanical Systems Location: Plymouth + Hybrid Working Arrangements Compensation: Competitive + Benefits Role Type: Full time / Permanent Role ID: SF69840 Lead complex mechanical systems engineering at the heart of the UK's defence infrastructure At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Engineer - Mechanical Systems at our Devonport Royal Dockyard site. The role As a Principal Engineer - Mechanical Systems, you'll play a critical role in maintaining and controlling modifications to mechanical building services across both nuclear implicated and non nuclear facilities. Your work will span the full engineering lifecycle, from requirements capture and design development through implementation, close out, through life support, decommissioning and disposal. Day-to-day, you'll have an opportunity to shape engineering solutions that underpin national defence, ensuring compliance with nuclear site licence conditions, regulatory frameworks and industry design standards. You'll collaborate with specialists across engineering disciplines, influence project delivery from concept to completion, and help develop innovative, safe and efficient systems. It's challenging work with purpose, and a powerful platform for your continued professional development. Ensure compliance with nuclear site licence conditions, statutory legislation, regulatory frameworks and industry recognised design codes. Prescribe the Mechanical Building Services requirements for assigned design projects. Develop and deliver design solutions across the full design process, including Start up, Concept, Scheme, Detailed and Implementation phases. Support design reviews to ensure subcontractor designs meet company, regulatory and industry standards. Manage the production, checking and approval of technical documentation and engineering drawings. This role is full time, 35 hours per week and provides hybrid working arrangements with a minimum of 2 days onsite. Essential experience of the Principal Engineer - Mechanical Systems Familiarity with energy reduction strategies and decarbonisation approaches for new and existing buildings, including passive design solutions. Extensive understanding of mechanical engineering principles for steam and condensate, industrial gases, fresh and demineralised water, HVAC (including nuclear related), LEV and domestic services. Detailed knowledge and experience of BREEAM, DREAM and Building Regulations. Experience working within a design consultancy or contractor design environment, with the ability to manage a small team of engineers. Strong understanding of applicable regulations, legislation and technical standards related to mechanical services system design. Qualifications for the Principal Engineer - Mechanical Systems Degree level qualification (Level 7) in Mechanical Engineering or Building Services Engineering, or a lower-level qualification with significant supporting experience. Chartered Engineer status with CIBSE or IMechE or working towards Chartered status. Additional mechanical systems, nuclear or building services related professional training or certifications - 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. This means that your 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 () What we offer 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 is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually. '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 benefits package including an employee assistance programme supporting physical, mental and financial wellbeing. Babcock International For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal. 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 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: 05/02/2026
02/02/2026
Full time
Job Title: Principal Engineer - Mechanical Systems Location: Plymouth + Hybrid Working Arrangements Compensation: Competitive + Benefits Role Type: Full time / Permanent Role ID: SF69840 Lead complex mechanical systems engineering at the heart of the UK's defence infrastructure At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Engineer - Mechanical Systems at our Devonport Royal Dockyard site. The role As a Principal Engineer - Mechanical Systems, you'll play a critical role in maintaining and controlling modifications to mechanical building services across both nuclear implicated and non nuclear facilities. Your work will span the full engineering lifecycle, from requirements capture and design development through implementation, close out, through life support, decommissioning and disposal. Day-to-day, you'll have an opportunity to shape engineering solutions that underpin national defence, ensuring compliance with nuclear site licence conditions, regulatory frameworks and industry design standards. You'll collaborate with specialists across engineering disciplines, influence project delivery from concept to completion, and help develop innovative, safe and efficient systems. It's challenging work with purpose, and a powerful platform for your continued professional development. Ensure compliance with nuclear site licence conditions, statutory legislation, regulatory frameworks and industry recognised design codes. Prescribe the Mechanical Building Services requirements for assigned design projects. Develop and deliver design solutions across the full design process, including Start up, Concept, Scheme, Detailed and Implementation phases. Support design reviews to ensure subcontractor designs meet company, regulatory and industry standards. Manage the production, checking and approval of technical documentation and engineering drawings. This role is full time, 35 hours per week and provides hybrid working arrangements with a minimum of 2 days onsite. Essential experience of the Principal Engineer - Mechanical Systems Familiarity with energy reduction strategies and decarbonisation approaches for new and existing buildings, including passive design solutions. Extensive understanding of mechanical engineering principles for steam and condensate, industrial gases, fresh and demineralised water, HVAC (including nuclear related), LEV and domestic services. Detailed knowledge and experience of BREEAM, DREAM and Building Regulations. Experience working within a design consultancy or contractor design environment, with the ability to manage a small team of engineers. Strong understanding of applicable regulations, legislation and technical standards related to mechanical services system design. Qualifications for the Principal Engineer - Mechanical Systems Degree level qualification (Level 7) in Mechanical Engineering or Building Services Engineering, or a lower-level qualification with significant supporting experience. Chartered Engineer status with CIBSE or IMechE or working towards Chartered status. Additional mechanical systems, nuclear or building services related professional training or certifications - 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. This means that your 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 () What we offer 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 is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually. '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 benefits package including an employee assistance programme supporting physical, mental and financial wellbeing. Babcock International For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal. 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 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: 05/02/2026
Job Title: Security Assurance Manager Location: UK, Hybrid Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent Role ID: SF70764 Create a Safer, More Secure World with Babcock At Babcock, we're working to create a safe and secure world, together. If you join us, you can play your part as a Security Assurance Manager at one of our UK hubs, near major towns and cities. The role As a Security Assurance Manager, you'll play a pivotal role in safeguarding Babcock's information systems and services. This is an exciting opportunity to influence national security projects, support digital transformation, and ensure compliance with critical standards. Day-to-day, your work will make a real difference protecting sensitive data and enabling secure operations across defence, aerospace, and engineering. Lead and coordinate security assurance activities across multiple business units. Interpret and apply standards such as JSP 453, NIST SP 800-171/53, ISO 27001, DefStan 05-138, and Cyber Essentials Plus. Prepare and maintain security documentation, including SyOps, Information Security Management Plan(s)(ISMP), and Risk Assessments. Represent Babcock in assurance engagements with MOD authorities, customers, and auditors. Deliver risk-based assessments for IT change, cloud adoption, and digital transformation initiatives. This role is full time, 37.5 hours per week and provides hybrid working arrangements with days onsite and days working from home. Essential experience of the Security Assurance Manager Proven experience in information security assurance or related roles. Strong understanding of technical risk assessment methodologies. Ability to communicate effectively with technical and non-technical audiences. Experience with UK Government classification and MoD assurance standards. Analytical skills to assess complex systems and identify security implications. Qualifications for the Security Assurance Manager Degree in a relevant discipline (e.g., Information Security, Computer Science) or equivalent experience. Professional certifications such as CISSP, CISM, CISMP or ISO 27001 Lead Auditor (preferred). Security Clearance The successful candidate must be able to achieve and maintain Standard (BPSS) / Security Check (SC) and if necessary Developed Vetting (DV) security clearance for this role. You must also be a British National. Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your 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 (). What we offer 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 and shopping savings portal Payment of professional fees 10 days' special paid leave for Armed Forces Reservists Holiday Trading options 'Be Kind Day' for volunteering Flexible working arrangements A dynamic working environment Babcock International For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal. 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 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: 30/01/2026
02/02/2026
Full time
Job Title: Security Assurance Manager Location: UK, Hybrid Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent Role ID: SF70764 Create a Safer, More Secure World with Babcock At Babcock, we're working to create a safe and secure world, together. If you join us, you can play your part as a Security Assurance Manager at one of our UK hubs, near major towns and cities. The role As a Security Assurance Manager, you'll play a pivotal role in safeguarding Babcock's information systems and services. This is an exciting opportunity to influence national security projects, support digital transformation, and ensure compliance with critical standards. Day-to-day, your work will make a real difference protecting sensitive data and enabling secure operations across defence, aerospace, and engineering. Lead and coordinate security assurance activities across multiple business units. Interpret and apply standards such as JSP 453, NIST SP 800-171/53, ISO 27001, DefStan 05-138, and Cyber Essentials Plus. Prepare and maintain security documentation, including SyOps, Information Security Management Plan(s)(ISMP), and Risk Assessments. Represent Babcock in assurance engagements with MOD authorities, customers, and auditors. Deliver risk-based assessments for IT change, cloud adoption, and digital transformation initiatives. This role is full time, 37.5 hours per week and provides hybrid working arrangements with days onsite and days working from home. Essential experience of the Security Assurance Manager Proven experience in information security assurance or related roles. Strong understanding of technical risk assessment methodologies. Ability to communicate effectively with technical and non-technical audiences. Experience with UK Government classification and MoD assurance standards. Analytical skills to assess complex systems and identify security implications. Qualifications for the Security Assurance Manager Degree in a relevant discipline (e.g., Information Security, Computer Science) or equivalent experience. Professional certifications such as CISSP, CISM, CISMP or ISO 27001 Lead Auditor (preferred). Security Clearance The successful candidate must be able to achieve and maintain Standard (BPSS) / Security Check (SC) and if necessary Developed Vetting (DV) security clearance for this role. You must also be a British National. Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your 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 (). What we offer 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 and shopping savings portal Payment of professional fees 10 days' special paid leave for Armed Forces Reservists Holiday Trading options 'Be Kind Day' for volunteering Flexible working arrangements A dynamic working environment Babcock International For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal. 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 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: 30/01/2026
Job Title: Principal Systems Engineer Location: Stoke Gifford, Bristol • Hybrid Working Arrangements Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent Role ID: SF70987 At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Systems Engineer at our Babcock Technology Centre site. The Role As a Principal Systems Engineer, you'll take on a senior technical leadership role with accountability for the delivery of complex systems engineering activity across the full engineering lifecycle. This is an exciting opportunity to influence high impact defence programmes, lead multi disciplinary engineering teams and shape solutions that operate at system of systems level. Day to day you'll be required to: Lead and coordinate systems engineering activity across integration, software, safety, security, human factors and installation disciplines. Manage and deliver engineering outputs across the full lifecycle, from requirements through to Factory Acceptance Test and beyond. Champion and tailor the Babcock Engineering Process to ensure quality, safety and regulatory compliance. Identify and mitigate technical and delivery risks while supporting programme performance and key milestones. Report and improve engineering performance against project KPIs, driving continuous improvement initiatives. You'll be trusted to guide engineering strategy, manage change and growth, and ensure solutions meet demanding quality, safety and security requirements. In return, you'll gain exposure to nationally significant programmes, develop your leadership capability and strengthen your professional profile within a globally respected engineering organisation. This role is full time, 37 hours per week and provides hybrid working arrangements with days onsite and days working from home. You'll be onsite as and when required, dependent on business needs. Essential experience of the Principal Systems Engineer Extensive and demonstrable systems engineering management and solution design and delivery experience, with full lifecycle engineering management experience. Knowledge of UK MoD practices and ways of working. Proven background in system and software integration within large, complex system of systems programmes. Experience managing technical specialisms including safety, human factors, commissioning and integration. Experience of a range of delivery methods (waterfall, lean, agile, DevOps, etc.). Qualifications for the Principal Systems Engineer Engineering Degree or equivalent. HNC/HND with equivalent, relevant experience is valued and welcomed. Chartered Engineer or working towards. Security Clearance The successful candidate must be a sole UK national who is able to achieve and maintain Security Check (SC) security clearance for this role. Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your 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 (). What We Offer 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 is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually 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 benefits package including an employee assistance programme supporting physical, mental and financial wellbeing A relocation package for those outside of the region Babcock International For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal. 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 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: 09/02/2026
02/02/2026
Full time
Job Title: Principal Systems Engineer Location: Stoke Gifford, Bristol • Hybrid Working Arrangements Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent Role ID: SF70987 At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Systems Engineer at our Babcock Technology Centre site. The Role As a Principal Systems Engineer, you'll take on a senior technical leadership role with accountability for the delivery of complex systems engineering activity across the full engineering lifecycle. This is an exciting opportunity to influence high impact defence programmes, lead multi disciplinary engineering teams and shape solutions that operate at system of systems level. Day to day you'll be required to: Lead and coordinate systems engineering activity across integration, software, safety, security, human factors and installation disciplines. Manage and deliver engineering outputs across the full lifecycle, from requirements through to Factory Acceptance Test and beyond. Champion and tailor the Babcock Engineering Process to ensure quality, safety and regulatory compliance. Identify and mitigate technical and delivery risks while supporting programme performance and key milestones. Report and improve engineering performance against project KPIs, driving continuous improvement initiatives. You'll be trusted to guide engineering strategy, manage change and growth, and ensure solutions meet demanding quality, safety and security requirements. In return, you'll gain exposure to nationally significant programmes, develop your leadership capability and strengthen your professional profile within a globally respected engineering organisation. This role is full time, 37 hours per week and provides hybrid working arrangements with days onsite and days working from home. You'll be onsite as and when required, dependent on business needs. Essential experience of the Principal Systems Engineer Extensive and demonstrable systems engineering management and solution design and delivery experience, with full lifecycle engineering management experience. Knowledge of UK MoD practices and ways of working. Proven background in system and software integration within large, complex system of systems programmes. Experience managing technical specialisms including safety, human factors, commissioning and integration. Experience of a range of delivery methods (waterfall, lean, agile, DevOps, etc.). Qualifications for the Principal Systems Engineer Engineering Degree or equivalent. HNC/HND with equivalent, relevant experience is valued and welcomed. Chartered Engineer or working towards. Security Clearance The successful candidate must be a sole UK national who is able to achieve and maintain Security Check (SC) security clearance for this role. Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your 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 (). What We Offer 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 is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually 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 benefits package including an employee assistance programme supporting physical, mental and financial wellbeing A relocation package for those outside of the region Babcock International For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal. 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 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: 09/02/2026