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Outside IR35 London infrastructure engineer

20 infrastructure engineer jobs found in London

CL
Aug 14, 2026  
Lead Electrical Design Engineer
Lead Electrical Design Engineer Start date: ASAP Length: 6-12 months rolling contract Contract: up to £550 per day (outside IR35) Location: South England / Greater London Turner Lovell is recruiting for a Lead Electrical Design Engineer to join one of the UK's leading power infrastructure contractors, delivering major transmission and distribution projects across a long-term electricity framework. This role would suit an experienced Electrical Design Engineer from a Primary, Protection & Control, or broader HV substation design background who enjoys taking ownership of project delivery rather than producing detailed designs day to day. Key Responsibilities Lead the electrical design delivery of a portfolio of HV substation and power infrastructure projects. Coordinate multidisciplinary engineering teams, including Electrical, Civil and Protection & Control designers. Act as the primary technical point of contact with clients throughout the project lifecycle. Review...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Platform Security Engineer
Platform Security Engineer 📍 Location: Mostly remote with occasional travel to London 💷 Rate: Up to £650 per day (Outside IR35) 📅 Contract: Initial 3 months with strong extension potential 🔒 Clearance: Active SC Clearance required An opportunity has arisen for an experienced Platform Security Engineer to join a high-profile Central Government AI programme, supporting the security, resilience and ongoing enhancement of a cloud-based platform. Working within an agile delivery team, you'll help strengthen the security posture of the platform while improving deployment processes, infrastructure automation and operational visibility. Key responsibilities * Enhance the security and resilience of Azure-hosted platforms. * Improve infrastructure configuration and platform hardening. * Support the implementation of secure CI/CD pipelines. * Develop and maintain Infrastructure as Code using Terraform. * Increase platform observability, monitoring and operational...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
TP141 Commissioning Engineer (Substations)
TP141 Commissioning Engineer (Substations) Outside IR35 | Competitive Day Rate | Long-Term Projects (2 Years) East Anglia & Oxfordshire Are you a TP141 Commissioning Engineer looking for your next long-term contract on major National Grid transmission projects? We are recruiting experienced TP141 Commissioning Engineers to support the delivery of two major substation projects in East Anglia and Oxfordshire, each offering approximately two years of work. This company is a specialist high-voltage engineering company delivering end-to-end power system solutions across the transmission and distribution sectors. Its expertise includes system design, manufacturing, installation, testing, commissioning and maintenance of HV substations and protection & control systems, supporting utility, renewable energy and critical infrastructure projects throughout the UK and internationally. Working on a subcontract basis, you will play a key role in the safe commissioning and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Back-end Engineer (contract)
Back-end Engineer (contract) Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes.  Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months  Start date: ASAP, Immediate starter  Working Patterns: Full-time, 1 day p/w in London-offices. Essential:  Confident working across data infrastructure, distributed systems, APIS and AI-services  Proven experience in building/designing scalable backend services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node and SQL.Nice to have: Docker, ECS, Kubernetes or similar container platform experience  Familiarity with Django frameworks and IaC (e.g. Terraform)  Experience with the deploying and operating ML or AI systems...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Senior Civil Engineer
A well-established, design-led civil engineering consultancy is looking to appoint an experienced Contract Senior Civil Engineer on a long-term, Outside IR35 basis. This is a fully remote role with a strong pipeline of secured work across commercial, industrial and data centre developments. The Role You’ll take ownership of infrastructure packages from concept through detailed design, with a particular focus on: Detailed levels strategy Surface & foul drainage design Drainage slope design and optimisation External works coordination Technical delivery for planning and construction stages Projects include large commercial schemes, industrial developments and major data centre infrastructure. Software MicroDrainage (essential) What We’re Looking For Proven UK development infrastructure experience Strong background in commercial / industrial schemes Confident working autonomously in a remote environment Able to deliver technically sound, buildable drainage and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Contract Civil Engineer
Contract Civil Design Engineer Infrastructure & Drainage Rate: £45–£50 per hour – Outside IR35 Contract: Initial 6 months (strong likelihood of extension) Location: UK (Hybrid / Office-based as required) An award-winning civil engineering design consultancy is seeking an experienced Contract Civil Design Engineer to support a strong pipeline of residential and mixed-use infrastructure projects. This is a hands-on role suited to an engineer who can take schemes from feasibility through to detailed design and technical approvals, working within a high-quality consultancy environment known for design excellence. Key Responsibilities Deliver civil infrastructure and drainage design for residential & mixed-use developments Design foul and surface water systems using MicroDrainage / InfoDrainage Produce highways, levels, earthworks and estate road designs using Civil 3D Prepare drawings, calculations and reports for S104, S38 and S278 approvals Liaise with local...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 17, 2026  
Senior Electrical Design Engineer
Working with this busy engineering solutions provider who have a strong order book with schemes across the TFL estate - they are looking for an Electrical Design Engineer to join there multi-disciplinary design team Your role will involve: - Creating LV electrical designs for station work, including lighting and power systems. - Problem-solving to integrate new designs with legacy infrastructure. - Working closely with the wider design and CAD teams. The position is ideally suited for someone who: - Is an experienced practically minded electrical design engineer - Understands the practical challenges of electrical installation and buildability. - Can problem-solve on the spot when faced with non-standard site issues. You should have experience in RAIL/ LU (TFL) Standards Role is outside IR35 Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Lead Technical Safety & Environmental Engineer
Job Title Lead Technical Safety & Environmental Engineer Summary We are seeking an experienced Lead Technical Safety & Environmental Engineer to join an established engineering contractor on a major FEED project for the Shaybah oil and gas field. Based in Leatherhead, Surrey, this role is ideal for an engineering professional with proven leadership skills and strong technical safety and environmental expertise. This is a one-year contract position where you will play a key role in supporting the continued development and sustainability of the Shaybah field’s production facilities. Salary Competitive - Outside IR35 – Subject to QDOS assessment Location and Working Pattern Leatherhead, Surrey 40-hour week Four office days required per week Client Overview Our client is a well-established global engineering contractor delivering complex projects across the energy sector, including oil and gas developments and large-scale infrastructure. They are recognised for...
IR35 Status:
Outside IR35

CV-Library Leatherhead, UK Contractor
CL
Aug 13, 2026  
Site Agent
Site Agent Civil Engineering & Infrastructure Outside IR35 Contract We are currently recruiting for an experienced Site Agent to support the delivery of major civil engineering and infrastructure projects. This role will see you taking responsibility for the safe, efficient, and high-quality delivery of works across a range of schemes, including earthworks, reinforced concrete structures, pipelines, drainage, utilities, and associated infrastructure. Working closely with project teams, subcontractors, and stakeholders, you will oversee day-to-day site operations, programme delivery, health and safety, quality assurance, and resource management. You will play a key role in coordinating multidisciplinary teams, managing construction activities, driving programme performance, and ensuring works are delivered in accordance with contractual, technical, and regulatory requirements. Previous experience working under NEC contracts and managing complex construction activities within...
IR35 Status:
Outside IR35

CV-Library Harlow, UK Contractor
CL
Aug 09, 2026  
Senior / Principal Civil Engineer
Job Title: Senior / Principal Civil Engineer Salary: Dependent on experience Location: St Albans (Hybrid - minimum 3 days office-based) Type: Permanent or Contract (Outside IR35 available) - Hybrid About the Role: Our client is seeking experienced Senior and Principal Civil Engineers to join a multidisciplinary design team delivering projects across the regulated water sector. These opportunities are suited to engineers with strong design experience within water and wastewater who enjoy solving complex engineering problems, developing practical solutions and contributing to the successful delivery of projects. Depending on experience, you will take ownership of technical delivery, support multidisciplinary design teams and contribute to maintaining high standards of engineering quality and compliance. Principal-level candidates will also provide technical leadership and mentoring support across the team. Working closely with senior management and project teams, you will...
IR35 Status:
Outside IR35

CV-Library Hemel Hempstead, Hertfordshire Contractor
CL
Aug 13, 2026  
Senior Civil Engineer
Senior Civil Engineer – Contract Infrastructure & Drainage | Residential & Mixed-Use An established engineering design consultancy is seeking a Senior Civil Engineer (Contract) to support a strong and ongoing pipeline of residential and mixed-use development projects across the UK. This is a hands-on design role, suited to an experienced civil engineer who can take schemes from feasibility through to detailed design and technical approvals. The Role Lead delivery of civil infrastructure and drainage design for residential and mixed-use developments Produce and review detailed designs for highways, drainage, levels and earthworks Prepare drawings, calculations and supporting information for S38, S104 and S278 approvals Coordinate with local authorities, statutory undertakers and internal project teams Provide technical input and guidance across multiple live schemes Manage workload independently while supporting wider project delivery About You We would be...
IR35 Status:
Outside IR35

CV-Library Chelmsford, UK Contractor
CL
Aug 09, 2026  
Civil Design Engineer
Civil Design Engineer | Water AMP 8 Contract: Long‑term, Outside IR35 Location:  Maidstone, Kent (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the Chatham office. Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infraastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical, and delivery...
IR35 Status:
Outside IR35

CV-Library Maidstone, UK Contractor
CL
Aug 06, 2026  
Senior Civil Engineer
Senior Civil Design Engineer £38 to £55 per hr Outside IR35 Reading Hybrid working available Our client is an award winning multi disciplinary design consultancy who are based near Reading. The are looking to recruit a Civil Design Engineer who has experience of Drainage Design on a wide range of residential and commercial type projects. The right candidate will undertake tasks designing infrastructure for commercial, retail, residential and industrial sectors. Civil Engineer Job Overview • Design of infrastructure for commercial, retail, residential and industrial sectors including SUDS drainage systems, roads to adoptable & DMRB standards. • Liaison with statutory bodies such as Southern & Thames Water, Roads Department, local drainage authorities. • Attend design meetings, site meetings and carryout site inspections. • Liaise and communicate clearly in a professional manner to colleagues, clients, contractors and other designers and to offer advice and...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Aug 13, 2026  
Lead Software Engineer
Lead Software Engineer Location: Milton Keynes (4 days per week in the office) Day Rate: £500-£550 Outside IR35  Duration: 6 Months We're working with an established and growing UK SaaS business looking to appoint an experienced Tech Lead to lead their software engineering function. This is a leadership-focused role where you'll oversee a team of around 10 software engineers, driving engineering excellence, improving delivery processes, and shaping the technical direction of a modern cloud-based software platform. You'll work closely with senior leadership to deliver strategic initiatives while building a high-performing engineering culture. This is not a hands-on coding role, but you'll need the technical credibility to support, challenge and mentor the development team. The RoleYou'll take ownership of the engineering function, focusing on people, processes, and technical strategy. Key priorities include strengthening software development and QA practices, leading a cloud...
IR35 Status:
Outside IR35

CV-Library Milton Keynes, UK Contractor
CL
Aug 13, 2026  
Site Engineer
Job Title: Site Engineer Location: Cambridge Rate: £(Apply online only)/Day - Outside IR35 - Ltd company is an option Duration: 6 months   Site Engineer required for highways works in Cambridge!   Are you a Site Engineer wanting an outside IR35 contract?   You will be working predominantly over day shifts, covering all aspects of highways site engineering, setting out & compliance including quality assurance.   As Site Engineer you will be tasked with:   ·Liaising with the project team to ensure the project is delivered to a high quality and on time ·Offering guidance and direction to more junior members of the team ·Setting out of roads, earthworks, sewers and reinforced concrete structures ·Keeping daily records of site activities   You will also hold:   ·Knowledge and experience of Highways standards and procedures ·Experience across infrastructure, roads and sewers projects ·Strong setting-out experience ·Knowledge and experience of high-speed road...
IR35 Status:
Outside IR35

CV-Library Cambridge, UK Contractor
CL
Aug 15, 2026  
Senior Procurement & Supply Chain Manager
Senior Procurement & Supply Chain Manager Contract Type: Outside IR35 Location: Central London (Flexible Hybrid) Our client, a leading Tier 1 infrastructure and engineering contractor, is seeking an experienced Senior Procurement & Supply Chain Manager to strengthen supplier performance management across a large and complex supply chain. This is a specialist role with no direct line management responsibilities, focused on driving supplier performance, continuous improvement, compliance, and value creation through effective processes, systems, and stakeholder engagement. The successful candidate will work closely with procurement teams, operational stakeholders, and suppliers to ensure best-practice performance management is embedded across the business. Key Reponsibilties  Support the implementation and evolution of the Supplier Relationship Management (SRM) framework. Coordinate supplier performance reviews, corrective action plans, and continuous improvement...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 12, 2026  
Assistant Project Manager
Assistant Project Manager Location: London (Hybrid) Rate: £350 per day (Umbrella) Contract: 12 Months An exciting opportunity has arisen for an Assistant Project Manager to join a leading infrastructure programme, supporting the successful delivery of major capital projects. Working alongside experienced Project Managers, you'll help coordinate project activities, manage assigned work packages and ensure projects are delivered safely, on time and within budget. This role is ideal for someone with experience supporting engineering, construction or infrastructure projects who is looking to develop their career within a complex project environment. Key Responsibilities Support the delivery of projects and programmes from planning through to completion. Manage assigned work packages and monitor progress against project plans. Assist with project reporting, governance, scheduling, budgeting and document control. Identify and escalate project risks, issues and opportunities,...
IR35 Status:
Outside IR35

CV-Library Ilford, London Contractor
CL
Aug 09, 2026  
Senior Quantity Surveyor
Freelance Quantity Surveyor (Pre-Contract / Estimating) Location: London / Essex (Hybrid) Rate: £475 - £500 per day (Outside IR35) Duration: Up to 12 months We're working with a unique business within the rail sector to recruit a Freelance Quantity Surveyor to support a major programme of station redevelopment and asset investment across a busy rail network. This isn't your typical project QS role. They're looking for someone with strong pre-contract and estimating experience who can take outline designs and develop robust cost estimates that help shape business cases, budgets and procurement strategies before projects move into delivery. If you've worked within rail infrastructure and enjoy the commercial planning side of projects rather than purely post-contract delivery, this is an excellent opportunity. The Role: Working within the Asset Commercial team, you'll provide commercial support across a portfolio of civils and M&E projects, working closely with engineers,...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Aug 12, 2026  
Project Manager
Water Project Manager Ganymede  Guildford, England, United Kingdom (On-site) Project Manager – Water (Non-Infrastructure) – Contract Guildford Area | Up to £475 per day Are you a results-driven Project Manager with a passion for the water sector? Do you thrive in leading high-profile projects and delivering excellence? If so, this exclusive contract opportunity with a leading UK contractor is not to be missed. The Role: A prestigious UK contractor is seeking an experienced Project Manager to spearhead a major non-infrastructure water project based around Guildford. This long contract offers stability, exciting challenges, and the opportunity to work on a flagship project in the UK water sector. Key Responsibilities: Lead and manage all aspects of a complex non-infrastructure water project, ensuring successful delivery on time and within budget. Oversee project planning, risk management, stakeholder engagement, and team leadership. Ensure compliance with industry...
IR35 Status:
Outside IR35

CV-Library Guildford, UK Contractor
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