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Contractor 13
Outside IR35 senior infrastructure engineer

13 senior infrastructure engineer jobs found

CL
Apr 25, 2026  
Senior Electrical Engineer - Nuclear
Senior Electrical Engineer - Infrastructure Projects AWE, Berkshire Hybrid - 2 days per fortnight on site £55-60/hour - Outside IR35 (pending determination) Security Clearance: SC required (DV eligibility essential) About the Opportunity We are currently recruiting for a Senior Electrical Engineer to support delivery across the One Team Framework on high-profile defence infrastructure projects. This is an excellent opportunity to work on technically complex, highly regulated programmes, contributing to the design and delivery of critical electrical infrastructure across a secure environment. You'll play a key role in ensuring safe, compliant, and high-quality engineering solutions within a collaborative, multi-discipline team. The Role As a Senior Electrical Engineer, you will lead the design and delivery of electrical infrastructure systems, with a focus on HV/LV power distribution, substations, and associated networks. You will take ownership of engineering outputs...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Berkshire Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
CONTRACT SENIOR CIVIL ENGINEER – LONDON 🚧 📍 London (Hybrid Working) 💷 £40–£48 per hour – Outside IR35 📅 Long-term contract opportunity We’re working with a well-established civil engineering consultancy that is looking to bring in an experienced Senior Civil Engineer to support a strong pipeline of residential and commercial development projects. This is a great opportunity for someone who enjoys hands-on design work and wants flexibility with hybrid working. 🔧 The Role You’ll be involved in delivering infrastructure and drainage design across a range of development schemes, including: • Flood Risk Assessments • Drainage Schemes • SuDS Strategies You’ll play a key role in supporting project delivery from early feasibility through to detailed design and approvals. 💻 Software The team currently uses: • Civils 3D • Site 3D • InfoDrainage Experience in these is preferred, but not essential — strong drainage/infrastructure design experience is the priority. ✅ What...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer – Fully Remote 🚧 💻 Outside IR35 | 6-Month Contract (Likely Extension) ⏱ 40 Hours per Week I’m currently working with a busy and well-established civil engineering consultancy looking to bring in an experienced Senior Civil Engineer to support a strong pipeline of work. This is a fully remote role, ideal for someone who can hit the ground running and deliver high-quality design work independently. 🏗 The Role: You’ll be working predominantly on residential developments, with some commercial projects, supporting from feasibility through to detailed design and approvals. 🔧 Key Experience: Flood Risk Assessments (FRA) Drainage design & strategies SuDS design Residential infrastructure (roads & drainage) Experience working with UK standards & approvals 💻 Software: Site 3D Causeway Flow (Experience in both is essential) 📌 Details: Fully remote Outside IR35 6-month contract (strong likelihood of extension) 40 hours...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer 💻 Fully Remote | Outside IR35 📅 6-Month Contract (Likely Extension) 🏗 The Opportunity We’re working with a well-established civil engineering consultancy seeking an experienced Senior Civil Engineer to support a growing pipeline of infrastructure design work. This is a fully remote contract role, ideal for someone confident delivering technical design independently and managing projects through to approval. 📍 Project Work You’ll be working primarily on large-scale commercial, industrial, and education schemes, focusing on the infrastructure that supports these developments, including: Private roads Drainage networks External works infrastructure 🔧 Scope of Work SuDS Strategies Drainage design (foul & surface water) Estate road / highway design S104, S38 & S278 technical approvals Supporting projects from feasibility through to detailed design 💻 Software Civils 3D InfoDrainage (Experience in both is essential) 📌 Key...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
Apr 25, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer - Water Location: Chatham, Kent (flexible hybrid) Job type: Long-term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long-term capital delivery programmes. This client-side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities * Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. * Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. * Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. * Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry legislation. *...
IR35 Status:
Outside IR35

CV-Library Kent, UK Contractor
CL
Apr 24, 2026  
Geotechnical Engineer
Senior Geotechnical Engineer We're looking for a Senior Geotechnical Engineer to support the construction phase of a major infrastructure project. The role involves working as part of a small team, providing technical guidance, and ensuring design intent is correctly applied on site. A regular presence at the project's site offices is required (3 days per week). Site offices are located around Coleshill and Kenilworth. Key Responsibilities Geotechnical construction phase support, coordinating with technical leads and supporting junior staff. Review Inspection and Test Plans, witness selected site tests, and maintain clear, auditable records. Manage responses to site queries, field change requests, and non conformance reports, including internal assurance steps. Interpret instrumentation and monitoring data and recommend mitigation actions when needed. Carry out geological inspections, earthworks logging, and other site-based geotechnical assessments. Contribute to concise...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Apr 23, 2026  
Asset Maintenance Engineer
Asset Maintenance Engineer - Doncaster Contract - £38 per hour (Umbrella) Location: Doncaster If you're an experienced electrical or street lighting engineer who wants a role with real ownership, genuine technical challenge and the chance to directly influence a major public‑safety asset base, this contract will interest you. You'll lead the maintenance and performance of Doncaster's highway electrical network - one of the city's most visible, safety‑critical asset sets. This is not just a maintenance job; it's a strategic engineering role where your decisions directly shape reliability, safety standards and long-term infrastructure performance. What You'll Be Doing * Leading all activity around highway electrical assets, ensuring they are safe, compliant and performing as they should. * Planning and delivering maintenance strategies, cyclic testing programmes and reactive works. * Owning statutory compliance across electrical testing, condition surveys and certification....
IR35 Status:
Outside IR35

CV-Library Doncaster, South Yorkshire Contractor
CL
Apr 22, 2026  
Site Engineer
Site Engineer – Tunnelling / Heavy Civils Long-Term Contract | Major Infrastructure Scheme | South Coast We are looking for a capable and driven Site Engineer to support delivery on a major tunnelling and pipeline infrastructure scheme. This is a key role on a technically challenging section of works, offering long-term continuity and the opportunity to be part of a high-performing delivery team. This position will suit an engineer with strong setting out capability and previous experience in tunnelling, shafts, or heavy civils who is confident working in a fast-paced, site-based environment. The Role You will play a critical part in the delivery of tunnelling works, supporting day-to-day site operations and ensuring engineering accuracy, quality, and compliance throughout. Key Responsibilities Setting out for tunnelling, shafts, and associated civils works Managing and maintaining accurate site records, QA documentation, and as-builts Supporting delivery teams with...
IR35 Status:
Outside IR35

CV-Library Southampton, UK Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Civil Design Engineer
Civil Design Engineer | Water Sector Contract: Long‑term, Outside IR35 Location: London (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 London office.  Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure 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 functions...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
MEICA Engineer
Job Title: MEICA Engineer Location: North West England Rate: £400 per day (Outside IR35 subject to assessment) Contract Type: Ongoing / Long-Term Contract The Opportunity We are currently seeking an experienced MEICA Engineer to support a portfolio of water treatment works upgrade projects across the North West. This is an excellent opportunity to join a leading regional contractor delivering key infrastructure improvements within the water sector. With a strong pipeline of secured work, this role offers long-term continuity and the chance to work on technically challenging and meaningful projects. Key Responsibilities * Oversee and coordinate MEICA (Mechanical, Electrical, Instrumentation, Control & Automation) installation and commissioning activities * Ensure all works are delivered in line with design specifications, industry standards, and health & safety requirements * Liaise with design teams, subcontractors, and site management to ensure smooth project...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Apr 25, 2026  
Civil Design Engineer
Contract Outline: Role: Civil Design Engineer Location: Remote Sector: Water / Wastewater Contract Length: 6-12 months + Outside IR35 Rate: £50ph Role Overview: As a Civil Design Engineer, you will be engaged directly on projects, which require a strong technical non-infrastructure design background in the water and wastewater industry. You'll support a hard-working team in a fast-paced environment. Key Requirements Water / Wastewater sector experience. Producing Feasibility, Conceptual and Detailed Design documents. Knowledge in Civil design of non-infrastructure, including buried and above ground gravity and pressurised water and wastewater systems, design of inlet works, final effluents, primary settlement tanks and other associated tanks, chambers within WTW and WWTW. Produce calculations and reports to support designs. Experienced in a design & build or consultancy environment. Experience of liaising with Client on technical matters to understand their needs and...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Apr 19, 2026  
Lead structural engineer
Chartered Structural Design Engineer (Contract – Outside IR35) Location: Aberdeen Engagement: Limited Company Contractor Duration: Minimum 12 months Sector: Oil & Gas Refining, Chemical Manufacturing & Pipeline Assets Overview Burnside Recruitment is seeking an experienced Chartered Structural Design Engineer to support a long-term programme of modifications and upgrades across major onshore refinery, chemical manufacturing, and pipeline infrastructure. This is a 12‑month+ contract, operating outside IR35, and ideally suited to a limited company contractor. Key Responsibilities • Lead structural design and assessment activities for brownfield heavy civils projects within complex process plant environments. • Deliver structural calculations, reports, design packages, and technical documentation to UK regulatory and industry standards. • Provide technical oversight on modifications, upgrades, and integrity improvements • Interface with multidiscipline engineering...
IR35 Status:
Outside IR35

CV-Library AB15, Cults, Aberdeen City Contractor
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