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BC
27 Apr, 2026
Permanent
Principal Engineer, BCG Expand, London
Boston Consulting Group 39 Holloway Rd, London N7 8JP, UK
Who We Are BCG Expand is a specialist firm providing unique data-driven business intelligence as a trusted advisor to senior executives across the world's leading financial services firms to help them to operate more effectively. Expand's activities are focused on data benchmarking in technology, operations, FinTech and market data, with expertise around strategic cost and human resourcing benchmarking in wholesale finance. Founded in 2001 as an independent research boutique, Expand is a wholly owned subsidiary of the Boston Consulting Group, headquartered in London and with offices in Singapore and New York. At Expand we're proud of our friendly, inclusive and authentic team. It takes diversity of thought, culture, background and perspective to drive a global growing business, understand our clients' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal...
BC
26 Apr, 2026
Permanent
Principal Engineer, BCG Expand, London
Boston Consulting Group 39 Holloway Rd, London N7 8JP, UK
Who We Are BCG Expand is a specialist firm providing unique data-driven business intelligence as a trusted advisor to senior executives across the world's leading financial services firms to help them to operate more effectively. Expand's activities are focused on data benchmarking in technology, operations, FinTech and market data, with expertise around strategic cost and human resourcing benchmarking in wholesale finance. Founded in 2001 as an independent research boutique, Expand is a wholly owned subsidiary of the Boston Consulting Group, headquartered in London and with offices in Singapore and New York. At Expand we're proud of our friendly, inclusive and authentic team. It takes diversity of thought, culture, background and perspective to drive a global growing business, understand our clients' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal...
Telent Technology Services Limited
15 Apr, 2026
Permanent
Principal Engineer - Fortinet
Telent Technology Services Limited Farnborough, UK
Principal Engineer - Fortinet When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. Reporting into the Head of Focal Engineering, the Fortinet Principal Engineer will be responsible for leading the design and delivery of secure, high-performance Fortinet SD-WAN solutions for our enterprise and public sector customers. This is a hybrid working role, with a requirement to be in our Farnborough office around 2 days per month. Other travel may be required on an ad-hoc basis. What you'll do: Lead the end-to-end design of secure SD-WAN solutions using Fortinet Secure SD-WAN. Define scalable, resilient architectures tailored for enterprise and public sector clients. Ensure alignment with...
AND Digital
22 Apr, 2026
Full Time
Principal Engineer - Backend (Java)
AND Digital Bristol, UK
Principal Engineer (Bristol) AND Introduction At AND, we accelerate the development of digital capabilities. In practice, that means helping ambitious leaders and organisations build the teams, products, processes and even operational structures they need to close the digital skills gap within their organisation today, so that they thrive tomorrow. Clients rely on our experience, agility and craft skills across tech and business strategy, software development and product management to address some of the toughest challenges facing their businesses. We bring aboard thinkers, tinkerers, passionate software craftspeople and inspiring technologists to help us solve these challenges. Together, we’re united by a sense of pragmatism, purpose and a deeply-held belief that digital products and technology alone won’t transform a business or save the world: it’s the people that count. About You As a Principal Engineer for a club of over 80 people (approx. 30-40 developers of...
Advance TRS
21 Apr, 2026
Permanent
Associate Director / Principal OHL Design Engineer
Advance TRS Birmingham, UK
My client is seeking an Associate Director or Principal Engineer (OHL) to join their growing Transmission & Distribution team. You'll be part of an ambitious organisation delivering world-class engineering design on some of the most exciting and complex energy infrastructure projects in the country. The Opportunity My client's Transmission & Distribution Engineering division provides end-to-end services across power systems analysis, substations, cabling, overhead lines, and HVDC systems - supporting the UK's transition to a net zero grid. As part of this team, you'll contribute to major national projects that form part of a multi-billion-pound programme to strengthen the UK grid, integrating renewable generation and enhancing long-distance power transmission capability. What You'll Do As a senior member of the OHL team, you'll bring your expertise and leadership to a range of technically challenging and high-profile projects: Lead the delivery of overhead...
MBDA UK
24 Apr, 2026
Permanent
Principal Manufacturing Engineer
MBDA UK Bedfordshire, UK
An exciting new opportunity has become available within Manufacturing Engineering Henlow for a Principal Manufacturing Engineer to join the team. Salary : Circa £47,000 depending on experience Dynamic (hybrid) working : 4/5 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 year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days Flexible working: We welcome applicants who are looking for flexible...
First People Solutions
11 Apr, 2026
Permanent
Principal Structural Engineer
First People Solutions Warwick, UK
Principal Structural Engineer Warwick First People Solutions is working with a leading consulting engineer known for delivering complex, high-hazard projects across sectors including Power, Life Sciences, Defence and Aviation. You'll step into a senior leadership position on large-scale structural projects, overseeing multiple design teams and reporting into an Associate Director. You'll be instrumental in driving high-quality, technically robust design across complex projects. This is a great opportunity to work on genuinely challenging projects that go beyond typical consultancy work, within a business recognised for its stability and strong, supportive culture. Key Responsibilities : Leading structural design across projects while managing and supporting teams Overseeing high-quality deliverables and providing technical direction Managing programmes, budgets, change and supporting bids Driving innovation, sustainability and safe delivery standards Mentoring...
Eden Brown
15 Apr, 2026
Permanent
Senior / Principal / Associate Mechanical Design Engineer
Eden Brown Oxford, UK
Senior / Principal / Associate Mechanical Design Engineer Oxfordshire Hybrid Working 9 Day Fortnight Up to 75k Looking for a role where you can lead projects, influence clients, and still have a genuine work-life balance? This is an opportunity to join a growing, design-focused building services consultancy with a strong reputation for delivering high-quality engineering across a diverse range of sectors. With ambitious plans and a close-knit team, they're now looking to appoint a senior mechanical hire to play a key role in their Oxford office. The Opportunity This role is ideally suited to someone operating at Principal or Associate level (or a strong Senior ready to step up), who wants more ownership, visibility, and progression. You'll take the lead on projects, act as a key client contact, and help shape the growth of the team - all within a business that genuinely supports its people. What You'll Be Doing Leading mechanical design delivery from...
MBDA UK
11 Apr, 2026
Permanent
Principal Manufacturing Test Engineer
MBDA UK Stevenage, UK
This role provides a unique chance to shape how MBDA undertakes production testing. Salary : Circa £50,000 depending on experience Dynamic (hybrid) working : 4-5 days per week on-site due to workload classification Security Clearance : British Citizen only. 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 year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days Flexible working: We welcome applicants who are looking for flexible working arrangements Enhanced parental leave: offers up to 26 weeks for maternity, adoption and shared...
MBDA UK
04 Apr, 2026
Permanent
Principal Systems Engineer - Future Products
MBDA UK Stevenage, UK
Stevenage As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take on a variety of roles in support of MBDA's Vision 2040. Salary : Circa £55,000 depending on experience Dynamic (hybrid) working : 3-4 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 year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity...
MBDA UK
04 Apr, 2026
Permanent
Principal Quality Assurance Engineer
MBDA UK Stevenage, UK
An exciting opportunity has arisen for a Principal Quality Assurance Engineer to join our growing team, focusing on New Product Introduction (NPI) across our UK & international Supply Chain. Salary : Circa £50,000 depending on experience 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 year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days Flexible working:...
Mars Recruitment
15 Apr, 2026
Permanent
Principal Electronics Engineer
Mars Recruitment Booker, High Wycombe, Marlow SL7, UK
Principal Electronics Engineer High Wycombe Hybrid £72,000pa plus benefits: Are you a Senior or Principal Electronics Engineer who has a scientific or engineering mind? Would you like to own and manage the electronics hardware development of a world-leading scientific instrumentation product? Our client has been at the forefront of technical innovation for over 50 years. Their ground-breaking products are used worldwide and as they go from strength to strength, they are looking for a Principal Electronics Engineer to join their highly talented electronics engineering team. On a day-to-day basis, your focus will be the design and development of electronics hardware for a specific product line. You will become the subject matter expert for this product, coordinating design reviews, testing to validate systems, and support the product with any customer queries. Please note that your specific product is manufactured in Santa Barbara, so there may be some international...
Mars Recruitment
03 Apr, 2026
Permanent
Principal Electronics Hardware Engineer
Mars Recruitment Booker, High Wycombe, Marlow SL7, UK
Principal Electronics Hardware Engineer High Wycombe Hybrid £72,000pa plus benefits: Are you a Senior or Principal Electronics Hardware Engineer who has a scientific or engineering mind? Would you like to own and manage the electronics hardware development of a world-leading scientific instrumentation product? Our client has been at the forefront of technical innovation for over 50 years. Their ground-breaking products are used worldwide and as they go from strength to strength, they are looking for a Principal Electronics Hardware Engineer to join their highly talented electronics engineering team. On a day-to-day basis, your focus will be the design and development of electronics hardware for a specific product line. You will become the subject matter expert for this product, coordinating design reviews, testing to validate systems, and support the product with any customer queries. Please note that your specific product is manufactured in Santa Barbara, so there...
Manpower UK Ltd
11 Apr, 2026
Contract
Principal Substation Primary Design Engineer
Manpower UK Ltd Birmingham, UK
Principal Substation Primary (HV Plant) Design Engineer Location: Glasgow, Leeds, Birmingham, or Epsom Duration: 12 months initially Rate: Negotiable on experience Inside IR35 Are you ready to take your engineering career to the next level and make a real impact in the energy sector? Our client, a leading organisation in power infrastructure, is hiring for a Principal Substation Primary (HV Plant) Design Engineer to join their dynamic team. This is a fantastic opportunity to work on diverse projects within the transmission and distribution sectors across the UK, supporting innovative energy solutions. What you'll be doing: Lead FEED and detailed design workstreams for HV substations, ensuring technical excellence and compliance with client specifications. Manage and mentor a team of engineers, supporting their development and performance. Oversee design reviews, including layouts, earthing, interlocking schemes, and HV equipment specifications. Coordinate...
Aldwych Consulting
03 Apr, 2026
Permanent
Senior / Principal Civil Design Engineer
Aldwych Consulting Birmingham, UK
Senior / Principal Civil Engineer - Highways, Drainage & Development Infrastructure Location: Birmingham (Hybrid Working Available) Salary: 46,000 - 65,000 + Benefits Type: Full-Time Permanent Senior / Principal Civil Engineer - Birmingham Are you an experienced Civil Engineer looking to step into a more senior role or already operating at Principal level and looking for a fresh challenge? An established and highly regarded development infrastructure consultancy is looking to appoint a Senior / Principal Civil Engineer into its growing Birmingham office . This is a fantastic opportunity for an engineer with strong experience in highways, drainage and development infrastructure design to join a collaborative and forward-thinking team working on a wide range of complex, high-profile projects across the UK. This role would suit someone who enjoys taking ownership of technical delivery, mentoring junior staff, and playing a key part in the successful...
Calibre Search
18 Apr, 2026
Permanent
Principal Bridge Engineer
Calibre Search Derby, UK
Principal Bridge Engineer ? UK (Hybrid / Site Travel Required) ? Permanent Competitive Salary + Benefits We are working with a well-established and growing Bridge Engineering specialist consultancy seeking a Principal Bridge Engineer to join their expanding team. This is an excellent opportunity for an experienced professional looking to take on a senior, client-facing role with strong career progression prospects. The Role As a Principal Bridge Engineer, you will play a key role in delivering a diverse portfolio of structural engineering projects across multiple sectors. You will be involved in the design, assessment, strengthening, and refurbishment of a wide range of structures, working with various materials. The role also includes investigative and consultancy work, with a strong focus on bridges and structural assets. This is a varied position combining technical delivery, project leadership, and client engagement. Key Responsibilities Lead and deliver...
Astute People
03 Apr, 2026
Permanent
Principal Integrity Engineer (Pressure Systems)
Astute People Derby, UK
Astute's Power Team are working with a global technical services and engineering consultancy to recruit for a Principal Integrity Engineer, specialising in Pressure Systems, to join their expanding Asset Integrity management team. This is a senior, permanent opportunity where you'll lead the delivery of high-value engineering solutions, supporting major clients across the Conventional Power and Clean Energy sectors - including CCGT, Biomass and Energy from Waste facilities. Candidates must have a degree in a relevant field, have at least 5 - 10 years Power Generation experience and be a Subject Matter Expert in PSSR / Asset Integrity / Mechanical Plant. If you would like to discuss this role & the package available, please get in touch. Responsibilities and duties of the Principal Integrity Engineer role: You will be responsible for: Carrying out integrity assessments of defective or degraded power plant components operating at both low and high temperatures, using...
Aldwych Consulting
23 Apr, 2026
Permanent
Principal Structural Engineer
Aldwych Consulting 39 Holloway Rd, London N7 8JP, UK
Principal Structural Engineer London E1 60k- 70k Keen for a new challenge in a firm offering autonomy and excellent future prospects in a new structural team? The practice is a highly reputable firm, running for over 60 years internationally with over 130 staff. They offer MEP, Civil and Structural Services. The London office has a team of 10 highly qualified individuals, with a structural team currently consisting of 3 staff. The Structures Director is looking for a no. 2 to help run projects and drive the team forward. They have expansion plans in place for the future, having won several large buildings projects with major developers and local councils, including large new build housing developments with 30 storey RC frame towers. This is an exciting time for the business and an amazing opportunity for the right individual to become a part of this financially stable firm. You should ideally be Chartered MIStructE or MICE, keen to progress and take on new challenges, good...
Aldwych Consulting
14 Apr, 2026
Permanent
Principal Structural Engineer/Associate
Aldwych Consulting 39 Holloway Rd, London N7 8JP, UK
Principal Structural Engineer/Associate London W1 58k- 68k Are you an experienced buildings structures engineer who would be keen to join an established London design consultancy with highly qualified individuals and an expert team? This role could suit you! Mid sized reputable and well established structural engineering firm, based in W1, are so busy with structural work that they need an additional team member. Ideally you will be Chartered MIStructE or MICE. The firm specialise in all kinds of buildings design schemes, usually smaller or mid size complex refurbs, surveys, historic works, conservation schemes and London cut and carve projects. They are on many framework agreements with various repeat clients. The could also be the option for expert witness work if interested. The role would suit an engineer who loves the fiddly, problem solving type of engineering work and is happy to do some report writing as well as the design. Typically the firm are involved in...
Aldwych Consulting
09 Apr, 2026
Permanent
Principal Structural Engineer/Associate
Aldwych Consulting 39 Holloway Rd, London N7 8JP, UK
Principal Structural Engineer/Associate London SE1 65k- 75k Leading firm of well established consulting civil and structural engineers with over 100 staff require a team leading structural engineer to be based out of their London office. The role could suit a candidate who has reached a glass ceiling in their current practice and wants to develop further. You will be expected to assist in hands on design, managing staff, business development, client and project management and mentoring graduates. This firm have a strong industry name and offer progression within a friendly and dynamic environment. Members of the firm play an active role in the IStructE and other industry bodies and are frequently called upon for their expert advice on complex structural issues. They offer a nationwide service to the construction industry from offices in several UK locations. The firm offers a range of specialist services, all integrated to serve the needs of clients in the market...
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