Principal Mechanical Engineer - London I'm currently working with a well-established built environment consultancy that is looking to bring an experienced Principal Mechanical Engineer into their growing London team. This is a great opportunity for a technically strong engineer who enjoys taking ownership of projects, leading design teams and having a real influence on the direction of projects from concept through to delivery. The Role You'll be responsible for leading mechanical design projects across the full project lifecycle, working closely with multidisciplinary teams, clients, contractors and other key stakeholders. Your responsibilities will include: Leading mechanical design projects from concept through to delivery Managing project scope, resources, programme and technical delivery Reviewing mechanical calculations, designs and CAD models Coordinating multidisciplinary design teams and ensuring technical quality Supporting R&D and introducing...

Principal Electrical Engineer Location: Croydon or London Salary: Competitive, depending on experience Job Type: Full-time About the Company We are an established building services and engineering consultancy with a strong reputation across London and the South of England. The business works across a diverse range of sectors, including healthcare, education, commercial, residential, leisure and industrial projects. Its work covers electrical, mechanical and public health engineering, alongside energy, sustainability and low-carbon design. The company has built a stable team with excellent staff retention , with engineers able to develop their careers over the long term. The current Managing Director is a good example of this progression, having joined the business as an engineer before moving into senior leadership. The Role We are looking for an experienced Principal Electrical Engineer to take a leading technical role within the business. This is an...

Electrical Design Engineer- Senior or Principal (London, Manchester, Birmingham) At Jacobs, our Building Services (MEP) team is at the heart of designing the future. We engineer smarter, greener, and more resilient buildings that shape how people live, work, and connect. From cutting-edge HVAC systems to sustainable energy solutions and smart building technologies, our team is driving the transformation of infrastructure across diverse sectors. Due to our expanding portfolio and long-term local framework growth, we have an exciting opportunity for a Principal Electrical Engineer (Building Services) to join our multi-disciplinary UK buildings team in our Birmingham, London or Manchester offices. We are looking for a person who is eager to further develop their experience and responsibilities within the Building Services Electrical sector and lead a team of engineers in the delivery of projects to time, cost and quality or in the sole management and leadership of small...

Electrical Design Engineer - Principal (London, Manchester, Birmingham) At Jacobs, our Building Services (MEP) team is at the heart of designing the future. We engineer smarter, greener, and more resilient buildings that shape how people live, work, and connect. From cutting-edge HVAC systems to sustainable energy solutions and smart building technologies, our team is driving the transformation of infrastructure across diverse sectors. Due to our expanding portfolio and long-term local framework growth, we have an exciting opportunity for a Principal Electrical Engineer (Building Services) to join our multi-disciplinary UK buildings team in our Birmingham, London or Manchester offices. We are looking for a person who is eager to further develop their experience and responsibilities within the Building Services Electrical sector and lead a team of engineers in the delivery of projects to time, cost and quality or in the sole management and leadership of small projects. As...

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:...

PTS Site Engineer Location: West London Type: Contract ( Inside IR35 ) Project: Long-Term Rail Infrastructure Project Shift Pattern: Day Shifts, Night Shifts, and Weekend Possession Work (as required) The Role Are you an experienced Site Engineer with a valid PTS card looking for a long-term contract in West London ? We are seeking a high-caliber PTS Site Engineer to join a major rail infrastructure project delivered by a Tier 1 Principal Contractor . In this role, you will lead on-site civil engineering activities, manage quality compliance, and drive rigorous standards across network assets. Note: This position has been determined as Inside IR35 . Key Responsibilities Site Supervision & Principal Contractor Liaison: Oversee day-to-day civil engineering activities on site, ensuring full compliance with design specifications, Network Rail standards, and Principal Contractor safety frameworks. Quality & Assurance Compliance: Lead the...

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 Clean Water team. The business delivers a diverse range of infrastructure projects across the UK regulated water sector, as well as programmes within aviation, energy, rail and transportation and selected international projects. This offers the opportunity to work across a genuinely varied project portfolio rather than being focused on a single client or programme. They are looking for experienced Clean Water Modellers and Clean Water Engineers from Engineer through to Associate level, with opportunities available across several locations in the South East & East of England. The role Depending on your background and level of experience, you could...

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...

Freelance Sub Agent - RC & LUL Civils Location: Central London Rate: 430 per day (CIS) Contract Length: 6 months+ Are you an experienced Sub Agent with a strong background in reinforced concrete and general civils ideally within a London Underground (LUL) environment? We are partnering with a highly respected specialist sub-contractor to deliver a critical package of works in Central London. You will be the operational lead on site, ensuring that complex RC structures and civils packages are delivered safely, on time, and strictly in line with LUL standards. The Project Scope: Complex Reinforced Concrete (RC) works in the "back of house" LUL station environment. General civil engineering packages. Logistically challenging shaft backfill operations. Key Responsibilities: Driving the day-to-day delivery of the RC and civils packages, managing both direct labor and specialist sub-contractors. Writing, reviewing, and implementing complex RAMS, ITPs, and...

UPS Service Engineer Internal job title - Generalist Service Representative II Location: London, Slough, South East UK Please note that possession of a valid UK driving license is a mandatory requirement for this role, as it involves frequent travel and client visits. Your Mission: As an original equipment manufacturer of critical power products, the position will be accountable for working within critical power environments for large organisations, across a wide customer base, demonstrating excellent communication and complete ownership of given tasks. These tasks will include commissioning and start-up on new installed equipment, maintenance, service, and repair activities on a variety of different UPS solutions. Product training will be given in our academy and access to internal software and applications, you will be expected to utilise technical literature including schematic diagrams, service and maintenance manuals and installation guidelines to complete works...

Senior / Principal Electrical Engineer London The Opportunity We are looking for an experienced Electrical Engineer to join a growing engineering team, taking responsibility for the design and delivery of electrical building services across a varied portfolio of projects. This role would suit a technically strong engineer who enjoys solving complex design challenges, working with different project stakeholders and taking ownership of projects from early design stages through to completion. There is flexibility for candidates at both Senior and Principal level, depending on experience, technical expertise and leadership capability. The Role You will lead electrical design activities across multiple projects, ensuring solutions are technically sound, practical and aligned with project requirements. You will work closely with other members of the project team, external consultants and contractors to coordinate designs and resolve technical issues throughout the project...

Our client is seeking a Principal Engineer specialising in Traffic and Road Safety to support a contract role within a highways and transport environment. The role will provide professional leadership across traffic engineering, road safety, parking, walking, cycling and highway improvement programmes, helping to deliver safer, more accessible and sustainable transport schemes. Key Responsibilities: Lead the development and delivery of traffic management, road safety, casualty reduction, traffic calming, parking, walking, cycling and highway improvement schemes. Analyse collision, speed, traffic flow and other technical data to identify issues and develop suitable engineering interventions. Manage projects from feasibility and design through consultation, statutory processes, construction and post-implementation review. Prepare and review engineering designs, drawings, specifications, cost estimates, business cases and technical reports. Manage Traffic Management Orders...

Junior Environmental Engineer Central London £28,000 - £40,000 DOE + Benefits Are you a recent graduate or an Environmental Engineer with a few years of industry experience looking to develop your career with a leading contractor? Our client is an award-winning principal contractor specialising in earthworks, remediation, enabling works, and demolition , delivering complex projects across the UK. Due to continued growth, they are looking to appoint a Junior Environmental Engineer to support a variety of major earthworks and remediation schemes across London. This is an excellent opportunity to gain hands-on experience in a site-based role, working alongside experienced environmental and engineering professionals on challenging brownfield regeneration and infrastructure projects. The Role As a Junior Environmental Engineer, you will be involved in a broad range of environmental and geotechnical activities, supporting project delivery from site investigation through...

A well-established and highly respected structural engineering consultancy is looking to appoint a Principal Structural Engineer for their central London office near Holborn. This is an excellent opportunity for a Chartered Engineer who enjoys autonomy, client interaction, and working on technically varied refurbishment projects across a broad range of sectors. The business has built a strong reputation for delivering practical, high-quality engineering solutions and maintains long-standing relationships with a number of blue-chip and repeat clients. The successful candidate will join a close-knit and collaborative team delivering predominantly refurbishment and survey-led projects across the retail, residential, commercial and industrial sectors. Typical project values are below £5m, offering the chance to work across numerous fast-paced schemes simultaneously while maintaining strong client relationships throughout the project lifecycle. This role would suit someone who...

Civil CAD Technician / Engineer - Godalming / Waterloo Location: Godalming / Waterloo, London Salary: 33,000 - 42,000 DOE Type: Full-Time Permanent Working Pattern: Hybrid The Opportunity An established, independently owned transport planning and infrastructure consultancy is looking to appoint a Civil CAD Technician / Engineer to join its growing infrastructure team. This is an excellent opportunity for someone with 1-4 years' experience to develop their technical skills while working on a varied portfolio of development-led projects across residential, commercial, leisure, healthcare and other sectors. You'll work closely with experienced Principal Engineers, gaining exposure to the full project lifecycle, from feasibility and planning through to detailed design and construction. With a close-knit team and a strong focus on professional development, you'll have the opportunity to take on responsibility early and build towards ICE professional registration....

Principal Engineer, Bridges & Structures - UK Wide Your engineering judgement will shape structural solutions across some of the UK's most important transport and infrastructure programmes. You will help clients solve complex challenges involving existing and new structures across highways, rail, aviation, energy and power. Whether improving the performance of an ageing asset, developing a renewal strategy or leading a technically demanding design, your work will directly influence safety, sustainability, whole-life value and project delivery. You will bring clarity to difficult engineering decisions and provide technical leadership to multidisciplinary teams. You will also help develop the engineers around you, giving them the confidence, support and challenge needed to progress. This is an opportunity to combine deep technical expertise with wider influence. You will improve how structural solutions are developed and delivered by applying digital tools, leaner...

Senior/Principal ecologist with specialism in ornithology We have an exciting opportunity for a senior/principal ecologist with a special interest in ornithology to join our award-winning ecology team across the UK. The successful individuals will join a respected and ambitious company with excellent career prospects both locally and internationally. We actively support the professional development of staff, through our Global Career Framework, Chartership Academy Programme, Employee Networks and our Community of Practice networks, which connect us to over 200 Jacobs ecologists in the UK and Ireland, and over 600 globally. You will work with hydrologists, geomorphologists, engineers, planner and project managers to provide support and advice to our clients. You will ensure ecology input is considered by project teams, work as a first point of contact and, with the support of the wider team, provide high quality technical advice. What's In It For Me This is more than a step...

Principal Environmental Impact Assessment (EIA) Consultant Help shape the projects that will define the UK's future. As a Principal EIA Consultant at Jacobs, you'll be at the forefront of major infrastructure, water, energy, and environmental projects that improve lives, support net zero ambitions, and create long-term benefits for communities across the UK and Ireland. This is more than producing Environmental Impact Assessments. You'll influence critical decisions from the earliest project stages, helping clients navigate complex environmental difficulties, secure consents, and deliver sustainable development responsibly. From renewable energy and hydrogen projects to nationally significant infrastructure schemes, your expertise will help bring transformative projects to life while protecting the environments and communities they serve. What's In It For You If you're looking for bigger projects, greater influence, and a clear route to progression, this is the...

Principal Fire Engineer - London or Manchester Lead the future of fire safety-and shape the way we design, build, and protect. At Jacobs, we're not just meeting fire safety standards-we're setting them. As Principal Fire Engineer, you'll bring strategic vision and operational expertise to help grow a centre of excellence in Manchester or London, driving superior building performance across our global portfolio. This is a leadership role where you'll be at the heart of major programmes, guiding technical delivery and integrating fire safety into some of the most complex and high-impact projects in the UK and internationally. Your work will shape how we design for safety, resilience, and sustainability-making a difference for clients, communities, and the next generation of engineers. You'll will be a big part of growing fire safety hub in Manchester or London , and support the leading of fire life safety strategy across diverse sectors, and mentor a high-performing team of...

Location - flexible Help shape safer, compliant buildings at project-critical level. Join us as a Principal Designer Building Regulations Consultant and bring your technical expertise to complex, high-value developments. Purpose and Scope of the Role This role is focused on delivering Principal Designer services under the Building Regulations for medium to large projects. Reporting to the PDBR Lead, you will provide technical oversight across the design phase, ensuring statutory compliance, robust design coordination and effective regulatory risk management. You will work closely with clients, contractors, Registered Building Control Approvers, local authorities and multidisciplinary design teams. While a sound understanding of CDM 2015 is important, the primary focus is on Building Regulations compliance , design review and supporting delivery within the Building Safety Act framework. Your impact in this position You will play a key role in helping...