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Outside IR35 senior engineer

42 senior engineer jobs found

CL
May 23, 2026  
Senior Engineer-Bridge Replacement-East Sussex
Solution have just had an excellent role in for a freelance Senior Engineer to work on a Bridge Replacement scheme over a river in East Sussex which also includes drainage, pathways, surfacing and landscaping works. Based from their offices on site, daily duties will include ITPs, material take-offs, design TQs/RFIs, early site establishment setting out, as-built surveying, daily site records, permit to break ground. Other duties may include RAMS, site supervision, material testing. You will need to have Structures and Roads experience gained with Main Contractors and hold CSCS and SMSTS certification. Top day rate on offer (to be discussed) and this is OUTSIDE IR35. Immediate start and ongoing contract for the right individual Top role on a new scheme so if interested please get in touch by sending a copy of your CV to Dave Rowe by email or call Dave on (phone number removed) anytime
IR35 Status:
Outside IR35

CV-Library Seaford, East Sussex Contractor
CL
May 17, 2026  
Senior Engineer
Senior Site Engineer | Bridge Replacement Status: Outside IR35 (Ltd/CIS) Rate: £340 - £400 per day Duration: 6 Months Location: Seaford As the Main Contractor on this bridge replacement project, we require a high-caliber Senior Engineer to lead the technical delivery and pre-construction engineering duties. The Role: Pre-Con & Technical: Ownership of ITPs, Material Take-offs, and managing Design TQs/RFIs. Site Setup: Initial site establishment setting out, control points, and as-built surveying. Operational Control: Managing Permits to Break Ground, daily site records, and coordinating material testing. Supervision: Drafting RAMS and providing technical supervision to the site team to ensure RC structures meet specification. Requirements: Significant experience in Bridges and RC Structures. Expert with Total Station & GPS. Degree in Civil Engineering, SMSTS, and CSCS. Experience working for a Main Contractor (managing subcontractors/QA). If you are...
IR35 Status:
Outside IR35

CV-Library Seaford, East Sussex Contractor
CL
May 16, 2026  
Senior Engineer
A well-established civils contractor with an annual turnover of circa £150m is seeking an experienced Freelance Senior Engineer to support a growing portfolio of infrastructure projects across the South East. This is an excellent opportunity to join a forward-thinking contractor delivering a range of highway and structural improvement schemes, with a strong pipeline of secured work. The Role You will play a key role in the delivery of multiple civils schemes, providing technical oversight, mentoring junior engineers, and ensuring works are executed to the highest standards of quality and safety. Key project involvement will include: - Bridge replacements and structural upgrades - Footpath widening and public realm improvements - Drainage installation and remediation works - Ducting and utility infrastructure - Road surfacing and associated highway works Responsibilities - Managing and coordinating site engineering activities - Reviewing and approving setting out, QA...
IR35 Status:
Outside IR35

CV-Library Seaford BN25, UK Contractor
CL
May 16, 2026  
Senior NPI Engineer - Prototype and Sample Builds
Contract Senior NPI Engineer - IoT / Electronics | Up to £42.50 per hour | Outside IR35 | 12 months Are you an experienced NPI or prototype engineer who loves getting hands-on with cutting-edge hardware? We're recruiting on behalf of a fast-growing electronics business designing and manufacturing low-power wireless wearable IoT devices for the healthcare sector. With a significant pipeline of new product launches, they need a senior engineer to own their prototype sample build process - end-to-end. The Role As Senior NPI Engineer, you'll lead sample builds across multiple concurrent IoT hardware programmes. From defining build specifications and sourcing components, to hands-on bench assembly, firmware flashing, cloud validation, and international dispatch - you'll own the full lifecycle. This is a senior individual contributor role; no direct reports, but you'll coordinate across engineering, programme management, and technician teams to get devices built right and shipped on...
IR35 Status:
Outside IR35

CV-Library Newtownabbey, County Antrim Contractor
CL
May 23, 2026  
Senior Software Engineer
Looking for a Senior Java Developer that has worked with Kotlin. The ideal candidate should be passionate about clean code and scalable solutions. This opportunity will allow you to design robust Microservices Architecture, within an automated data-heavy environment. * This will be an initial 6 month contract with possible extensions (OUTSIDE IR35) * Remote with occacional trips to London (1 day per month) Required Skills * Java, Spring, Spring Boot * Experience working with DevOps methodologies and scalable CI/CD pipelines * Microservices Architecture * Exposure to Big Data technologies such as: Kafka, Spark, Hadoop etc * Strong understanding of clean code principles * Experience working with AWS Cloud * Kotlin experience (preferred)
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 23, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer – Outside IR35 🚨 📍 Fully Remote 💰 Competitive Hourly Rate (Outside IR35) ⏱️ 40 Hours per Week | 6-Month Contract We’re working with a well-established engineering consultancy delivering a strong pipeline of residential development projects, and they’re looking to appoint a Senior Civil Engineer on a contract basis. This is a fully remote, Outside IR35 role, offering consistent workload and the chance to work across multiple live schemes. 🏗️ The Role You’ll be involved in the design and delivery of infrastructure and drainage packages across residential projects, covering: • Infrastructure and drainage design • Feasibility studies and planning support • Preparation of technical drawings and design packages • Liaison with local authorities and stakeholders • Supporting projects through early-stage design to planning ⚙️ Key Requirements • Strong experience in residential infrastructure design • Proficient in Site 3D (essential) •...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
May 23, 2026  
Senior Civil Engineer
Remote 💰 £38–£42 per hour (Outside IR35 DOE) ⏱ 15–20 hours per week 📅 Ongoing Contract We’re working with a well-established civil engineering consultancy, known for delivering high-quality infrastructure and drainage design across a range of sectors. They are looking to engage a Senior Civil Engineer on a flexible, part-time contract basis to support a strong pipeline of work. The Role You’ll be delivering infrastructure and drainage design across: • Residential developments • Commercial schemes • Healthcare projects • Educational projects This is a hands-on technical role, ideal for someone who can operate independently and produce high-quality outputs. Key Responsibilities • Infrastructure and drainage design • Preparation of drainage strategies and detailed design packages • Modelling using Causeway Flow • Supporting planning submissions and technical approvals • Liaison with internal teams and external stakeholders Requirements • Strong background in...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
May 22, 2026  
Senior EICA Engineer
A leading engineering contractor is seeking an experienced Senior EICA Engineer to support a growing portfolio of water sector projects across the UK. This role offers flexible hybrid working, with the expectation of attending a Manchester office and project sites as required. This is a long term contract position, and can be outside ir35.  The Role Reporting to the Project Lead Engineer, you will play a key role in delivering high-quality Electrical, Control, Instrumentation & Automation (EICA) design solutions across major water frameworks. Key Responsibilities Deliver cost-effective design documentation aligned with client specifications and project requirements Produce outline and detailed EICA designs for water sector projects Conduct site surveys and provide technical input during project lifecycle Attend Factory Acceptance Tests (FATs) and produce detailed reports Review and ensure compliance of subcontractor designs Prepare, check, and approve engineering...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
May 22, 2026  
Senior Project Engineer
Contract Project Engineer (Capital Projects) – Outside IR35 We’re supporting a global hygenic manufacturing organisation with a significant capital investment programme in securing a Contract Project Engineer to support delivery and strategic project development across a complex environment. This role is ideally suited to a progressive, forward-thinking engineer who combines strong technical grounding with the ability to translate engineering outputs into clear, data-driven insights and presentations for senior stakeholders. The Role Working closely with the senior projects leadership team, you will support both project delivery and front-end project development, helping shape investment decisions and future pipeline. You’ll operate across the full lifecycle — from early concept and feasibility through to design — with a particular focus on structuring information, modelling capacity, and presenting robust business cases. Key Responsibilities * Deliver and support projects...
IR35 Status:
Outside IR35

CV-Library Wigan, Greater Manchester Contractor
CL
May 21, 2026  
Senior EWIS Engineer - Electrical Design
Senior EWIS Engineer (Contract) ARCA is partnered with an aerospace client supporting a key programme and looking to bring in 2 x Senior EWIS Engineers. This role sits across full lifecycle wiring / harness design, from early concept through to installation definition. You’ll be working on: • Defining, coordinating and managing EWIS interfaces across multiple systems • Developing 2D wiring diagrams from system requirements and documentation • Creating detailed 3D harness models • Generating harness BoMs and manufacturing / installation drawings (MBD beneficial) They’re looking for someone who: • Has strong experience in EWIS / harness design within aerospace • Can operate across concept through to detailed design independently • Is comfortable working closely with systems, design and integration teams • Understands installation constraints and real-world integration challenges Contract details: • 3-month rolling contract (long-term programme) • Bristol-based, hybrid working...
IR35 Status:
Outside IR35

CV-Library Bristol, City of Bristol Contractor
CL
May 20, 2026  
Senior Powertrain Design Engineer - Contract
Senior Powertrain Design Engineer (Contract) Up to £50 per hour Essex We are working with a well-known engineering business who are looking for design support within a major motorsport project within their team for the next 6 months at least. This Motorsport project revolves around an in-house powertrain project, therefore this contractor will need to be well-versed within engine internal design and CATIA V5 software. This would be for immediate support for the next 6 months, with after being embedded in the team for a few weeks, this role would be Hybrid with an expectation for 2 days onsite at their Essex HQ. This will be an outside IR35 contract. If you are experienced within Powertrain Design and interested in talking about this role in more detail, please hit apply and our Senior Consultant Jack Watson will be in touch to discuss the position with you
IR35 Status:
Outside IR35

CV-Library Essex, UK Contractor
CL
May 20, 2026  
Senior EICA Engineer - Water
Senior EICA Engineer - Water Water Sector | Remote with visits to project site as required  | Long-term Contract | Outside IR35 | Competitive Rate The Opportunity We're recruiting a Senior Electrical, Instrumentation, Control & Automation (EICA) Engineer to deliver design and technical expertise across multiple UK water sector frameworks. You'll produce outline and detailed EICA designs, manage technical documentation, conduct site surveys, and support commissioning activities on water infrastructure projects. Contract Details: Outside IR35 | Competitive rate | Remote working (With UK site visits as required) | Long-term contract This role is for an experienced water treatment engineer with extensive UK water project background. You'll be responsible for producing cost-effective, compliant EICA designs that can be effectively purchased, installed and commissioned. You'll conduct surveys, review supplier quotations, prepare technical assessments and ensure all designs meet...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
May 20, 2026  
Senior Electrical Engineer
Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. Our client will consider applicants for either a staff or contract position – for a contractor the role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and be able to size equipment and perform cable sizing calculations * Participation...
IR35 Status:
Outside IR35

CV-Library Burton Ferry, Pembrokeshire Contractor
CL
May 17, 2026  
Senior DevOps Engineer
Senior DevOps Engineer (Azure / Terraform) £550–£650 per day | Outside IR35 | 6 Month Contract | Remote Overview An exciting opportunity has arisen for a Senior DevOps Engineer to join an established project delivering within a modern, cloud-first environment. You’ll be joining a lean, high-performing team, where DevOps is central to delivery not an afterthought. This role offers a high level of ownership, with the opportunity to shape infrastructure, improve reliability, and influence engineering best practices across the wider team. We’re looking for someone with deep Azure and Terraform expertise, who is comfortable operating in a hands-on capacity, while also mentoring others and driving improvements across CI/CD, observability, and security. Role & Responsibilities Design, build, and manage Azure infrastructure using Terraform, including modules, state management, and pipelines Develop and maintain CI/CD workflows (GitHub Actions, Azure DevOps or similar) Improve...
IR35 Status:
Outside IR35

CV-Library London EC3N 4AB, UK Contractor
CL
May 17, 2026  
Senior DevOps Engineer (Azure / Terraform)
Senior DevOps Engineer (Azure / Terraform) £550–£650 per day | Outside IR35 | 6 Month Contract | Remote Overview An exciting opportunity has arisen for a Senior DevOps Engineer to join an established project delivering within a modern, cloud-first environment. You’ll be joining a lean, high-performing team, where DevOps is central to delivery not an afterthought. This role offers a high level of ownership, with the opportunity to shape infrastructure, improve reliability, and influence engineering best practices across the wider team. We’re looking for someone with deep Azure and Terraform expertise, who is comfortable operating in a hands-on capacity, while also mentoring others and driving improvements across CI/CD, observability, and security. Role & Responsibilities Design, build, and manage Azure infrastructure using Terraform, including modules, state management, and pipelines Develop and maintain CI/CD workflows (GitHub Actions, Azure DevOps or similar) Improve...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
May 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 13, 2026  
Senior Electrical Design Engineer - MEP
Senior Electrical Design Engineer - Building Services Contract (Outside IR35) Hybrid Watford Office-Based We have a current opportunity for a Contract Senior Electrical Design Engineer on a contract basis. The position will be based in Watford. For further information about this position please apply. About the role: * Projects - spread across a wide range of sectors, though high amount of healthcare projects * Contract Length - 6 months (can be extended) * Location - Watford Requirements: * Experience working on complex projects * Experience working for a building services consultancy/contractor * Have experience leading/coordinating a team On offer is an excellent contract rate of between £45 - £50p/h for the successful applicant. This is an Outside IR35 assignment. About Energi People Energi People is a highly specialised recruitment consultancy with a strong foothold in the global built environment sector for over 20 years. We excel in connecting technical...
IR35 Status:
Outside IR35

CV-Library Watford, Hertfordshire Contractor
CL
May 09, 2026  
Senior MEICA Commissioning Engineer
️ Lead MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Outside IR35 | Long-Term AMP8 Programme Leadership Role | Commissioning Strategy | Team Management Some commissioning roles are about witnessing tests and signing paperwork. This one is about leading people, driving standards, and bringing structure to projects before problems ever reach site. A leading Tier 1 contractor delivering clean water projects across the Affinity Water region is looking for a Lead MEICA Commissioning Engineer to oversee commissioning delivery across a portfolio of schemes typically ranging from £5m–£10m. While the individual projects may not be mega-projects, they need someone who has operated at that level before. Someone who understands what “good” looks like on major infrastructure programmes and can bring that level of leadership, planning, coordination, and control into a growing AMP8 delivery environment. This is a role for a true commissioning leader — somebody...
IR35 Status:
Outside IR35

CV-Library Rickmansworth, Hertfordshire Contractor
CL
Apr 30, 2026  
Senior Mechanical Design Engineer
I'm recruiting for a tech start-up in Cheltenham who are growing their R&D and engineering team following a successful period. They're looking for a contract Mechanical Design Engineer to design, develop and test the products used in surveillance, security and telecoms. ROLE: Mechanical Design Engineer LOCATION: Cheltenham RATE: up to £55ph DURATION: 6 months IR35: Outside IR35 Skills required for the Mechanical Design Engineer are: * 2D/3D CAD in Solidworks * Strong protoyping skills (3d printing etc) * Ability to work in fast-paced environment * Analysis/simulation skills * Experience designing ruggedized products for extreme/harsh environments or safety-critical industries The work is 100% on-site in Cheltenham but the company can offer some flexibiltiy with hours to suit personal situation. If you're interested, please apply below or get in touch with me directly with any questions Cheers, Nathan
IR35 Status:
Outside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Apr 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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