Principal Mechanical Engineer - Water Sector St Albans: Hybrid (3 Days Office) Contract: 55-65p/h (Outside IR35) Advance TRS are supporting a rapidly growing consultancy in their search for a Principal Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market. You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams. Key Responsibilities: Deliver mechanical design solutions for water and wastewater projects Produce calculations, reports, specifications and design drawings Lead and review work from junior engineers and CAD technicians Coordinate with suppliers, manufacturers and subcontract design teams...

Senior Mechanical Engineer - Water Sector St Albans: Hybrid (3 Days Office) Contract: 45- 50/hr (Outside IR35) Advance TRS are supporting a rapidly growing consultancy in their search for a Senior Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market. You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams. Key Responsibilities: Deliver mechanical design solutions for water and wastewater projects Produce calculations, reports, specifications and design drawings Lead and review work from junior engineers and CAD technicians Coordinate with suppliers, manufacturers and subcontract design teams Ensure...

Commissioning Engineer Water & Wastewater Location: Southern Water Region, UK Contract Type: Contract About CMDP+ CMDP+ has secured the AMP8 Capital Programme Strategic Delivery Partner Framework with Southern Water, continuing the successful joint venture between Costain and MWH Treatment. Between , CMDP+ will deliver critical investment in Water and Wastewater infrastructure, including upgrades to Treatment Works, Pumping Stations, and Reservoirs. The Role We are seeking a highly skilled Commissioning Engineer to lead and deliver commissioning activities across Water and Wastewater projects. You will manage the installation, testing, and handover of process plant and equipment, ensuring projects are completed safely, on time, and to the highest quality standards. You will liaise with design teams, contractors, and suppliers, and will be responsible for FAT/SAT testing, defect close-out, and the preparation of commissioning documentation and client...

Site Engineer (S278 Works) Location: Henfield Rate: 320 - 400 per day (CIS or LTD) Start: June 2026 Duration: 6 Months Project Overview We are seeking a competent Site Engineer to handle the setting out and engineering control for Section 278 works on a care home development in Henfield. This is a 6-month contract covering highway realignments, new access infrastructure, drainage, and kerbing. You will be the lead technical presence on the ground, ensuring all works are delivered precisely to design specifications and local authority adoption standards. Key Responsibilities Setting Out: Accurate setting out of all S278 infrastructure including road levels, kerb lines, footways, and drainage networks. Quality Control: Establish and manage ITPs, conduct pre-pour/pre-surfacing checks, and compile accurate As-Built surveys for final adoption handover. Technical Support: Interpret drawings, identify design clashes early, and manage RFIs between the...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Join Our Team as a Senior Data Engineer! Are you a passionate Data Engineer with a flair for innovation? Do you thrive in a dynamic environment where your skills can shape the future of data architecture? If so, we have the perfect opportunity for you! Our client, a leader in the Utilities sector, is seeking a Senior Data Engineer for a temporary role of 3 months. Role: Senior Data Engineer Duration: 3 Months (extension options) Location: Warwick (Hybrid - 1 day on site) Rate: 500- 550 per day (umbrella) Role Overview: As a Senior Data Engineer, you...

Infrastructure Engineering Specialist - DV Cleared Contract Daily Rate: Up to 650 (inside IR35 via umbrella) Contract Length: 12 months 5 days onsite per week in London is required Are you ready to take your career to the next level? Our client, a leading organisation in the engineering sector, is on the hunt for an enthusiastic Infrastructure Engineering Specialist with DV clearance. If you're passionate about technical excellence and eager to collaborate with a dynamic team, this is the opportunity for you! About the Role: Join a multi-disciplined engineering practise focused on delivering top-notch technical capabilities to our customers. As an Infrastructure Engineering Specialist, you'll play a pivotal role in executing high-level designs and ensuring the stability of network and infrastructure environments that align with our client's strategic goals. What You'll Be Doing: In this key position, you will: Implement Designs: Manage the implementation of high-level...

Senior E&P Design Engineer - Rail Manchester / North West (Hybrid Working) Day Rate: 275- 425 pday dependant on experience. Job Ref: 40151 We are for a Senior E&P Design Engineer to join a growing multidisciplinary engineering consultancy delivering major Rail and Infrastructure projects across the UK. This is an excellent opportunity for an experienced Electrical Engineer with Rail sector knowledge to join a well-established technical team working on complex and high-profile transport infrastructure schemes. Due to continued growth within their Rail division, they are looking to strengthen their Electrical & Power capability with the addition of a Senior Engineer. Projects include a mix of: Rail Electrification & Power (E&P) systems Railway lineside electrical systems Points heating and signalling power supplies Level crossings and LV distribution systems Station and depot M&E infrastructure Lighting, containment, earthing, small power, and...

Job Title: Site Engineer - NG Person Location: Cellarhead Substation, Stoke-on-Trent Staffordshire Duration: 6 months+ Sector: National Grid Infrastructure Rate: Up to 450/day DOE Pay Method: CIS Start Date: 6/7/2026 Role Overview: We are seeking an experienced Setting Out / Site Engineer to join a major National Grid infrastructure project at Sellahead 400kV Substation in Leek. The successful candidate will be responsible for setting out and surveying activities across a range of civil engineering and electrical infrastructure works associated with the delivery of a new BESS facility and substation development. This is an excellent opportunity for an engineer with previous experience on National Grid, DNO, renewable energy, power transmission or heavy civil engineering projects. Roles & Responsibilities: Carry out accurate setting out for foundations, structures, drainage, duct routes, cable trenches and associated civils works. Establish and maintain site control points...

Job Title: Civil Design Engineer (Infra / Non-Infra) Salary: Contract: up to 60 per hour (outside IR35) Permanent: 45,000 - 60,000 (dependent on experience) Location: Leeds Type: Contract or Permanent (hybrid working available) About the Role: Our client is seeking a Civil Design Engineer with experience across either infrastructure or non-infrastructure water projects to support delivery within the Yorkshire Water framework. This is a varied role covering both clean and wastewater projects, ranging from network and pipeline upgrades through to treatment works and facility-based civils. You will be involved across the full design lifecycle including feasibility, optioneering, detailed design, and construction support. About the Client: Our client is a well-established engineering consultancy operating within the UK water and infrastructure sector. They are delivering long-term secured work across key utility frameworks, with a strong pipeline of both network and...

Job Title: Engineering Manager - DV Location: Aldermaston, Reading (100% on site) Contract Duration : 18 Months Daily Rate : £63.57/hr (Umbrella) IR35 Status : Inside IR35 Security Clearance: DV clearance & Sole Uk National Essential: Sole UK National Location able to commit to 100% onsite attendance Stakeholder management Significant experience delivering engineering or infrastructure programmes in highly regulated environments, ensuring compliance with stringent safety, security, and quality requirements. Proven capability in leading and contributing to technical design reviews, ensuring engineering solutions are robust, compliant, and aligned with established governance frameworks. Solid understanding of regulatory frameworks and assurance processes, with the ability to ensure engineering outputs meet organisational and industry standards. Desirable: Background in construction, utilities, or major build programmes, particularly where engineering...

Principal Geotechnical Engineer (Contract) Location: UK Rate: 600- 750/day (Outside IR35) We're seeking an experienced Principal Geotechnical Engineer to provide technical leadership across major infrastructure projects. Key Requirements: 10+ years' experience in geotechnical engineering within heavy civils, tunnelling, or major infrastructure. Strong knowledge of Eurocode 7, UK standards, and geotechnical risk management. Experience with ground investigations, foundation design, retaining structures, deep excavations, and soil-structure interaction. Proven technical leadership, design review, and mentoring capability. Chartered status (ICE or Geological Society) preferred. Experience on major UK infrastructure programmes desirable. Responsibilities: Lead geotechnical design and assessment activities. Review and approve technical deliverables. Provide technical assurance and support bid/project teams. Mentor junior engineers and support...

Principal Design Engineer (Contract) Location: Leeds We are seeking an experienced Principal Design Engineer to provide technical leadership on major infrastructure and civil engineering projects. Key Requirements: 10+ years' experience in structural, temporary works, tunnelling, or infrastructure design. Strong knowledge of reinforced concrete, steel structures, foundations, retaining walls, and underground structures. Experience delivering designs to Eurocodes and UK standards. Proven leadership of multidisciplinary design teams and design assurance processes. Chartered status (ICE or IStructE) preferred. Experience on major UK infrastructure programmes desirable. Responsibilities: Lead permanent and temporary works design activities. Review and approve technical calculations, drawings, and design deliverables. Coordinate with geotechnical, construction, and engineering teams. Support bids, technical governance reviews, and client...

12 Month Contract (Inside IR35) Up to £70 per hour umbrella Full time on site in Plymouth Overview of Department: In order to deliver the MoD s submarine and warship programmes, a significant programme of infrastructure investment is required on the Devonport site. The Major Infrastructure Projects (MIP) Business Unit has been established to support this. One of the key scope elements within MIP is establishing a defuel capability for out of service submarines, which is delivered under the programme banner of 14 Dock Readiness. This work comprises of a number of interrelated projects to develop various multi-disciplinary infrastructure systems, with an overall value in excess of £100m. The Dock Readiness project is delivering the infrastructure upgrades for the existing dry dock that will be used for the submarine defuels. The dry dock is within a nuclear licensed site. Multiple work packages form the Dock Readiness project. This role is part of that Engineering...

Senior Project Engineer (Civils) Location London, United Kingdom Overview We are seeking an experienced and highly motivated Senior Project Engineer (Civils) to support the successful delivery of major rail and infrastructure projects. The role will provide engineering leadership, assurance, and governance throughout the project lifecycle, ensuring that all design, construction, testing, and commissioning activities are delivered safely, efficiently, and in compliance with applicable legislation, industry standards, and company procedures. The successful candidate will play a key role in managing engineering assurance activities, supporting project teams, and ensuring technical excellence across complex civil engineering works. Key Responsibilities Engineering Leadership & Assurance Lead and manage the application of appropriate engineering standards across all project design and construction activities. Ensure compliance with relevant legislation, Network Rail...

Systems Design Engineer - SCADA Location: Ashby de la zouch, UK (Hybrid/Office & Site-Based) Outside IR35 Contract Duration: 12 Months About the Role We are seeking a skilled and motivated Systems Design Engineer with strong SCADA system engineering expertise to join our rail infrastructure team. This role will focus on requirements definition, system architecture, and interface design, supporting the delivery of complex and safety-critical rail systems. You will play a key role across the full engineering lifecycle, from requirements capture through to design, integration, and commissioning, ensuring robust and scalable solutions are delivered. Key Responsibilities Requirements Engineering Lead the elicitation, capture, and analysis of system-level requirements from stakeholders Develop high-quality, testable, and traceable requirements aligned with operational and regulatory needs Maintain requirements traceability throughout the system lifecycle...

Manufacturing Project Manager Automation Integration Engineer Location: Coleshill Rate: £450 - £500 Per Day Contract Length: Initial 6 Month Contract Start Date: Immediate Are you an experienced Automation Integration Engineer, Manufacturing Project Manager or Industrialisation Specialist with a track record of delivering complex automated production systems? My client is seeking a high-calibre contractor to support the integration, commissioning and optimisation of a major new production line. This is a critical project within a growing £200m manufacturing group and offers the opportunity to make a significant impact on production performance, automation capability and operational excellence. The Project A semi-automated production process is currently in operation, while a fully automated production line is being installed and commissioned. The challenge is to improve process capability, increase yield, achieve stable production output and optimise overall...

Site Engineer (Bridge Project) Location: Coventry Rate: 330 - 400 per day (CIS Only) Start: ASAP Duration: 9 Months Project Overview We are seeking a competent Site Engineer to handle the setting out and engineering control for a bridge construction project in Coventry. This is a 9-month contract covering structural concrete works, piling, abutments, and associated approach roads. You will be the lead technical presence on the ground, ensuring all structural and civil works are delivered precisely to design specifications and quality standards. Key Responsibilities Setting Out: Accurate setting out of all bridge infrastructure, including piles, foundations, reinforced concrete structures, and alignment levels. Quality Control: Establish and manage ITPs, conduct pre-pour inspections, and compile accurate As-Built surveys for the quality health and safety file. Technical Support: Interpret structural drawings, identify design clashes early, and...

Senior Engineer - Structures (Highways) Location : London / Birmingham / Manchester Rate : £50-60 per hour Inside IR35 Hours : Full-time, 37.5 hours per week, flexible hybrid working About the Role We are looking for a Senior Engineer to join a Structures Team delivering major highways projects across the UK. This role involves managing the delivery of technical outputs for multiple projects, ensuring design quality, compliance with standards, and overall technical excellence. Key Responsibilities Lead and deliver technical outputs for projects, including scheme investigation, detailed design, and construction supervision. Act as Lead Designer, reviewing and authorising design deliverables (drawings, specifications, reports, and contract documents). Conduct inspections, assessments, and feasibility studies of highway and bridge structures. Mentor and develop junior engineers, technicians, and graduates. Contribute to technical excellence, innovation, and...

Overall Department Direction In order to deliver the MoD s submarine and warship programmes, a significant programme of infrastructure investment is required on the Devonport site. The Major Infrastructure Projects (MIP) Business Unit has been established to support this. One of the key scope elements within MIP is establishing a defuel capability for out of service submarines, which is delivered under the programme banner of 14 Dock Readiness. This work comprises of a number of interrelated projects to develop various multi-disciplinary infrastructure systems, with an overall value in excess of £100m. The Dock Readiness project is delivering the infrastructure upgrades for the existing dry dock that will be used for the submarine defuels. The dry dock is within a nuclear licensed site. Multiple work packages form the Dock Readiness project. This role is part of that Engineering Team that is delivering the designs for each of those work packages. Main Purpose of...

Senior Engineer Location: Norwich Rate: 350 - 400 per day CIS or LTD Start: ASAP Duration: Long-term project Project Overview We are seeking a Senior Engineer for a major highway project in Norwich. This is a long-term contract position requiring a highway specialist to take technical ownership of a major section of works. Lodge accommodation or a daily lodge allowance is fully paid for by the client. This role balances technical management and leadership, as you will be responsible for managing two site engineers while maintaining a high level of quality assurance across the scheme. Key Responsibilities Technical Management: Supervise and mentor two site engineers, checking their setting-out, data uploads, and daily records. Quality Assurance: Lead the QA process for the section, managing the ITPs, checking material certifications, and ensuring all work meets National Highways specifications. Engineering Control: Oversee the technical compliance...