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principal systems design engineer Greater London
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Engineering  (12)
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Permanent  (11) Full Time  (1)
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Onsite  (12)
AT
07 Oct, 2026
Permanent
Wastewater Engineers & Modellers - Various
Advance TRS London, UK
Engineer to Associate South East & East of England Multiple Opportunities Multiple opportunities available following recent framework awards I'm working with a leading multidisciplinary engineering consultancy that has recently secured a number of significant frameworks, creating several opportunities within its growing Wastewater team. The business delivers a diverse range of infrastructure projects across the UK regulated water sector, alongside programmes within aviation, energy, rail and transportation and selected international projects. This provides the opportunity to work across a varied project portfolio, with exposure to different clients, challenges and types of infrastructure. They are looking for experienced Wastewater Modellers and Wastewater Engineers from Engineer through to Associate level, with opportunities available across the South East and East of England. The role Depending on your background and level of experience, you could be involved in:...
Ma
07 Oct, 2026
Permanent
Chartered Principal Geotechnical Engineer
Matchtech London, UK
This is a senior-level opportunity for an experienced Principal Geotechnical Engineer to join a growing geotechnical team based in London, playing a key role in the delivery of major UK and international infrastructure projects. The Role As a Principal Geotechnical Engineer, you will lead the development and delivery of high-quality geotechnical engineering solutions across a diverse portfolio of large-scale projects. Working within multidisciplinary teams, you will provide technical leadership, oversee project delivery, and support the development of junior engineers. Key responsibilities include: Leading and delivering geotechnical assignments across the UK, Ireland, and internationally. Undertaking geotechnical design and analysis throughout all project stages, from concept development through to detailed design. Reviewing and checking internal and third-party designs to ensure technical excellence and compliance with relevant standards. Identifying opportunities for...
MH
06 Oct, 2026
Permanent
Senior Kerbside Management / Design Engineer
Marston Holdings London, UK
Project Centre is a leading design, engineering, and landscape architecture consultancy whose highly talented people are passionate about creating places that are attractive, innovative, sustainable, and safe. Our approach to integrated design produces award-winning results that have won international recognition, and we were named CIHT s Employer of the Year in 2021. Led by a forward-thinking management team, we work together in multi-disciplinary teams that provide services that are well thought out and sustainable. About the role We are looking for an experienced Senior Kerbside Management Consultant / Design Engineer to join our busy and growing Kerbside Management Team. You will work on a varied programme of on- and off-street parking projects, including Moving traffic enforcement for clients across the UK. You ll join a vibrant and experienced team with an impressive track record of delivering high-profile projects for clients inside and outside of London. This...
Ja
05 Oct, 2026
Permanent
Principal Protection & Control (P&C) Design Engineer - UK Grid Network
Jacobs London, UK
Principal Protection & Control (P&C) Design Engineer - UK Grid Network Jacobs is playing a leading role in the global energy transition. As our UK and Continental Europe team continues to expand, we are seeking a Principal Protection & Control Engineer to support a range of high-profile projects across our Power & Energy portfolio. This includes high voltage AIS and GIS Substations, transmission system assets, HVDC interconnectors, and energy storage systems. Key Responsibilities: Lead FEED and detailed design workstreams for Protection & Control systems across transmission and renewable energy projects Develop and review interface designs, protection schemes, and control philosophies Ensure quality assurance and timely delivery of design packages and technical bids Undertake site visits and non-intrusive surveys as part of design or site support activities Review protection settings, relay coordination, and scheme logic Coordinate with back-office...
ER
01 Oct, 2026
Permanent
Principal Mechanical Engineer
Eligo Recruitment London, UK
Location: London Birmingham Manchester Leeds Newcastle Bicester Other UK locations considered Salary: Up to £85,000 + Comprehensive Benefits Package Shape the future of Data Centre engineering.The UK's Data Centre market continues to evolve at an unprecedented pace. As demand grows for resilient, sustainable and technically sophisticated digital infrastructure, leading Building Services Design Consultancies are seeking experienced Principal Mechanical Engineers who can provide technical leadership on some of the industry's most prestigious projects. At Eligo Recruitment , we partner with consultancies delivering hyperscale campuses, co-location facilities, enterprise data centres and mission critical infrastructure for some of the world's largest technology organisations. If you're looking for a position where your technical expertise genuinely influences project success, this could be your next career move. The Opportunity As a Principal Mechanical Engineer, you'll be...
Eligo Recruitment Ltd
22 Sep, 2026
Permanent
Principal Mechanical Engineer
Eligo Recruitment Ltd London, UK
Location: London Birmingham Manchester Leeds Newcastle Bicester Other UK locations considered Salary: Up to 85,000 + Comprehensive Benefits Package Shape the future of Data Centre engineering.The UK's Data Centre market continues to evolve at an unprecedented pace. As demand grows for resilient, sustainable and technically sophisticated digital infrastructure, leading Building Services Design Consultancies are seeking experienced Principal Mechanical Engineers who can provide technical leadership on some of the industry's most prestigious projects. At Eligo Recruitment , we partner with consultancies delivering hyperscale campuses, co-location facilities, enterprise data centres and mission critical infrastructure for some of the world's largest technology organisations. If you're looking for a position where your technical expertise genuinely influences project success, this could be your next career move. The Opportunity As a Principal Mechanical Engineer, you'll be...
Eden Brown
19 Sep, 2026
Permanent
Senior to Principal Electrical Engineer - Critical Systems
Eden Brown London, UK
Senior - Principal Electrical Design Engineer City of London Hybrid Working Up to 75k London Building Services Consultancy Design-Led Projects If you're an experienced Electrical Design Engineer looking for more ownership, better projects, and a stronger voice in design - this is worth a look. This consultancy is known for delivering high-quality, design-led building services engineering, working closely with architects on projects where detail, creativity, and technical excellence are equally valued. Their portfolio spans a range of sectors, with a strong focus on well-crafted, architecturally led schemes. They're now looking for a Senior to Principal Electrical Design Engineer to take a leading role in project delivery and client engagement. The Role You'll play a key role in shaping projects from concept through to completion, with the autonomy to influence both design and delivery. You will: Lead electrical design delivery across a variety of...
Eden Brown
19 Sep, 2026
Permanent
Senior - Principal Mechanical Engineer
Eden Brown London, UK
Senior / Principal Mechanical Design Engineer London Hybrid Working Up to 65k About the Company A growing engineering consultancy is looking to appoint a Senior or Principal Mechanical Design Engineer to join its Building Services team. The business delivers engineering expertise across a diverse portfolio of projects throughout the UK, supporting clients across sectors including commercial, defence, public sector, transportation, utilities and infrastructure. With a strong reputation for technical excellence and collaborative working, they provide engineers with the opportunity to work on challenging and high-profile projects while maintaining a healthy work-life balance. The Opportunity This is an excellent opportunity for an experienced Mechanical Design Engineer to join a well-established team delivering innovative and sustainable building services solutions. You'll be involved in projects from concept through to completion, working closely with...
Eden Brown
19 Sep, 2026
Permanent
Senior - Principal Electrical Engineer
Eden Brown London, UK
Senior - Principal Electrical Design Engineer City of London Hybrid Working Up to 65k A leading multidisciplinary consultancy is looking to appoint a Senior or Principal Electrical Design Engineer to join its growing Building Services team in London. This is an opportunity to join a business with ambitious growth plans, a strong reputation across the built environment, and a genuinely collaborative culture where engineers are encouraged to influence projects from the earliest design stages. You'll work on a diverse range of projects across sectors including commercial, residential, healthcare, education, science & technology and public sector developments, collaborating closely with architects, sustainability consultants and other engineering disciplines to deliver high-quality, low-carbon designs. The Role As a Senior or Principal Engineer, you'll take ownership of projects from concept through to completion, acting as a key technical lead and trusted...
VE
15 Sep, 2026
Permanent
Electrical Design Engineer
Vital Energi London, UK
Electrical Design Engineers (project Delivery) Senior & Principal Help shape the UK's energy transition. Due to continued growth and an expanding portfolio of renewable energy, power infrastructure and decarbonisation projects, Vital Energi's Electrical Project Delivery team is looking for Senior and Principal Electrical Design Engineers to join our teams in London, Blackburn or Glasgow. We are currently looking for: Senior Electrical Design Engineers Principal Electrical Design Engineers The Company Vital Energi is one of the UK's leading providers of renewable energy and low-carbon infrastructure, delivering innovative engineering solutions that are helping transform the nation's energy landscape. For over 30 years, we have been at the forefront of delivering complex, large-scale energy projects that support the UK's transition to Net Zero. Our teams design, build and operate critical infrastructure that powers hospitals, universities,...
AND Digital
18 Aug, 2026
Full Time
Principal Platform Engineer (12 Month FTC)
AND Digital London, UK
Principal Platform Engineer - 12 Month FTC Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for the client. We do this through close relationships with our offices (or ‘Clubs’) so that our partners are always prioritised by a regional team close to them. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK and Europe with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world’s digital skills gap. The Role The Principal Platform Engineer will provide technical leadership in shaping, evolving, and scaling our clients cloud platform. The role will...
Ad
07 Oct, 2026
Permanent
Principal Engineer
Addition London, UK
Principal Engineer Fully Remote Outside IR35 Day Rate We're partnering with an innovative, technology-led organisation to appoint a highly experienced Principal Engineer. This is an exciting opportunity for a senior technical leader to drive the transformation of a complex Java estate, leading advanced containerisation initiatives and improving the developer experience across the organisation. We're particularly interested in engineers with deep experience modernising legacy systems, integrating CI/CD pipelines and mentoring senior technical teams. The Opportunity As Principal Engineer, you'll lead pivotal engineering initiatives focused on making a complex Java estate fully containerisable. You'll use your technical expertise to replatform, refactor and rebuild legacy systems, ensuring they integrate effectively with modern developer tooling and CI/CD pipelines. Alongside hands-on technical delivery, you'll provide leadership and mentorship to senior...
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