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Contractor 48
Outside IR35 Hitchin engineering

48 engineering jobs found in Hitchin

CL
Feb 14, 2026  
BMS Commissioning Engineering
BMS Commissioning Engineer, Tridium, Trend or Siemens Immediate start 4 - 6 month contract £300 - £360 per day Our client requires an accomplished BMS Commissioning Engineer with Tridium, Trend or Siemens Building Management Controls experience to join their team on either a project in London or a site in Hertforshire . There are several roles and projects currently available in: the City, East London and also in Hertfordshire, the best site would depend on your location and experience for each project. This is on a contract basis and will initially run for 4 to 6  months. To start immediately and is likely to be extended on a rolling basis.  This position could also be as the Lead Commissioning Engineer if you have the right experience and the rate would then reflect this. Key skills required:- Experienced in the Commissioning of Building Management Systems ( BMS ) Qualified and experienced with Tridium ,Trend or Siemens Control systems. CSCS Skill Card or equivalent is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 15, 2026  
Lead Estimator - Civil Engineering - Outside IR35
Civil engineering contractor seeks a Lead Estimator to join their team for a long-term contract. This opportunity focuses on major civil engineering programmes within the airport, utilities, highways, and rail sectors. The role will be based in Essex for three days a week initially and is outside IR35. Key Responsibilities: Management and production of estimates covering utility diversions, piling, excavation and other civil engineering works Reviewing base estimates contained in CostX estimating software to identify scope changes Pricing contestable civil engineering works in connection with contract Compensation Event quotations Preparing the monthly cost forecast for the non-contestable utilities scope Review and validation of Statutory Undertaker's Third Party Estimates prior to submission to the Project Manager for approval Job Requirements: Significant experience in estimating within the civil engineering sector Proficient in using CostX estimating software Experience in...
IR35 Status:
Outside IR35

CV-Library Grays, Essex Contractor
CL
Apr 15, 2026  
Software Engineering Manager
Software Engineering Manager with a strong background in greenfield platform/ portal development (ideally gained in a B2B or B2B2C environment) is sought on a contract basis by a high growth PE backed scale up based near Peterborough. With recent investment into technology this Software Engineering Manager will play a crucial role in driving innovation across software engineering, automation, cloud and architecture affording this Software Engineering Manager an unparalleled level of autonomy to drive change. As the business scales and adds additional functionality this software engineering Manager will work closely with department heads to develop a technical roadmap that will directly linked to business success over the coming years. This role would suit a hands-on Engineering Manager with a well rounded skill set (engineering, data, architecture, cloud, deployment) who is local and available for immediate start. This Software Engineering Manager based near...
IR35 Status:
Outside IR35

CV-Library Peterborough, UK Contractor
CL
Apr 11, 2026  
Senior Sub-Contract Buyer
Senior Sub-Contract Buyer Luton 6-month Contract - Hybrid £50.00 per hour - Umbrella ARM have an exciting opportunity for a Senior Sub-contract Buyer to join a global leader in aerospace innovation. The Role: Develop and negotiate contracts for materials and sub-contracts using standard and non-standard formats. On contract delivery performance of direct suppliers. Contract management to assure compliance, promote innovation and deliver target driven outcomes to the satisfaction of the programme stakeholders. Understanding mechanisms of mitigating risk associated when entering into commercial agreements whilst considering risk / resilience within the future supply base. Ensure that the appropriate commercial protections are in place such as; effective Non-Disclosure Agreements (NDAs) / Export Licences etc. Support to the internal reporting of external spend and future spend forecasting to support customer requirements. Management of compliance and governance restrictions...
IR35 Status:
Outside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Apr 11, 2026  
Site Agent - Wastewater (LTD - OUTSIDE IR35)
Randstad are recruiting for an experienced Site Agent with a background in Wastewater or Heavy Civils to work on a Water Framework project in Hertfordshire This is a long term site based contract expected to last a minimum of 12-18Months paid LTD and is deemed OUTSIDE IR35. Scope of works include earthworks, deep drainage, utilities, installation of RC structures and tanks. Previous experience working on Sewage Treatment Works and subcontractor management of multidisciplinary trades is ideal. Requirements: Degree in Civil Engineering or HND Equivalent Experience working within the Wastewater sector for a main contractor / Tier 1 Must be able to drive due to location **Thames Water Passport highly desirable. Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 16, 2026  
Senior Quantity Surveyor
Pinnacle are looking to speak to Senior Quantity Surveyors, with a strong background in rail infrastructure, specifically across civil engineering and signalling projects. This is an excellent opportunity for a commercially astute professional to support high-profile rail programmes, ensuring robust cost control, contract management, and project delivery. Key Responsibilities * Lead all commercial and contractual aspects of rail projects, from pre-contract through to final account * Prepare, review, and manage cost plans, budgets, and forecasts * Administer contracts (e.g. NEC forms) including compensation events and variations * Conduct value engineering and cost optimisation exercises * Manage subcontractor procurement, payments, and final accounts * Provide accurate and timely commercial reporting * Support project teams in risk management and mitigation strategies * Liaise with clients, stakeholders, and multidisciplinary teams Requirements *...
IR35 Status:
Outside IR35

CV-Library Hatfield, Hertfordshire Contractor
CL
Apr 12, 2026  
Automation Engineer
PLC Automation Engineer Contract 6-12 months Outside IR35 c£55p/h Role Overview Our client is seeking a versatile and proactive Automation Engineer to join their team. You will oversee the technical lifecycle of critical assets—from the decommissioning and relocation of equipment at existing sites to the commissioning and integration within a new, agile, smaller-scale Oral Solid Dose (OSD) facility. This is a hands-on role requiring a practitioner comfortable reviewing, reading, and writing PLC code, while also leading the writing and execution of validation packs for new and upgraded equipment being deployed to a new building. Key Responsibilities PLC Programming & Review: Act as the hands-on technical expert responsible for reviewing, reading, and writing PLC code to ensure equipment functionality. Asset Relocation & Integration: Lead the strategic move of existing equipment from decommissioned facilities into a new OSD environment. Commissioning &...
IR35 Status:
Outside IR35

CV-Library Ware, Hertfordshire Contractor
CL
Apr 10, 2026  
Composite Trimmer
Composite Trimmer – Motorsport Contract | Ongoing Day & Night Shifts Available £22 – £27 per hour (DOE & shift pattern) The Role We are currently recruiting for an experienced Composite Trimmer to support ongoing motorsport programmes. This is a contract position with consistent work available on both day and night shifts. You will be responsible for the precision trimming, fitting and finishing of high-performance composite components, working to extremely tight tolerances in a fast-paced motorsport environment. Key Responsibilities Trimming carbon fibre and composite components using hand tools and machinery Finishing, fettling and preparing parts to exacting motorsport standards Drilling, bonding and fitting composite components where required Working from engineering drawings and build instructions Carrying out self-inspection to ensure parts meet quality standards Supporting production to meet tight deadlines and build schedules Maintaining a clean and...
IR35 Status:
Outside IR35

CV-Library Milton Keynes, UK Contractor
CL
Apr 10, 2026  
Composite Laminator - Nights/Weekends
Job Title: Composite Laminator (Weekends/Nights) Location: North Buckinghamshire Rate: £22 - £30 per hour (Outside IR35) Contract: Ongoing Overview: We are supporting a leading composites manufacturer in the North Buckinghamshire region who are looking for experienced Composite Laminators to join their day shift team. You will be producing high-quality composite components for motorsport and advanced engineering projects, working to tight tolerances and high standards. Key Responsibilities: Hand-lay carbon fibre laminating using pre-preg materials Working from technical drawings, ply books and work instructions Preparing moulds, including cleaning, release application and general prep Bagging and de-bagging components Trimming, bonding and finishing composite parts Ensuring components meet quality, dimensional and cosmetic requirements Supporting production schedules and working effectively within a team environment Requirements: Previous experience as a composite...
IR35 Status:
Outside IR35

CV-Library Milton Keynes, UK Contractor
CL
Apr 17, 2026  
Electronics Engineer
Electronics Engineer - Contract Cambridge (Onsite) Outside IR35 Up to £85 per hour We are seeking an experienced Electronics Engineer to join a highly advanced engineering environment working on cutting-edge defence and security technology. This is a full-time onsite contract role based in Cambridge, offering the opportunity to work on complex, real-world challenges from concept through to delivery. You will be part of a multi-disciplinary team of engineers and scientists, developing innovative solutions across a wide range of projects, from early-stage proof of concept through to fully functional prototypes. The Role You will take ownership across the full product lifecycle, including requirements capture, design, development, testing and delivery. The work is varied, fast-paced and technically challenging, with a focus on electronics design, testing, and system-level hardware integration. Key Responsibilities Design, develop, and test electronic hardware from concept...
IR35 Status:
Outside IR35

CV-Library Cambridge, Cambridgeshire Contractor
CL
Apr 16, 2026  
Contract Electronics Engineer (Outside IR35)
Contract Electronics Engineer (Outside IR35) Cambridge – Onsite 5 days Rate dependent on experience Current SC Clearance desirable, DV clearance highly desirable. Join a specialist team designing next-generation hardware and software for secure communications and defence technologies. This is an opportunity to contribute your expertise on a contract basis, helping turn pioneering concepts into real-world prototypes. You’ll work across the full product life cycle, from capturing requirements and designing to developing, testing, and delivering working solutions. You’ll collaborate with multi-disciplinary teams of engineers, scientists, and designers on fast-moving, varied projects. The work spans early-stage prototypes to fully functional systems, offering both intellectual and practical challenges. This role is ideal for contractors who enjoy hands-on work and seeing tangible results from their efforts. We are looking for a real generalist, how has proven experience with a...
IR35 Status:
Outside IR35

CV-Library Cambridge, UK Contractor
CL
Apr 16, 2026  
Mechanical Commissioning Technician
Astute's Power Team are currently recruiting for 6x Mechanical Commissioning Technicians to join the EPC Contractor on the decommissioning of a CHP plant based in Purfleet. The 6x Mechanical Commissioning Technician roles come with a day rate from £400.00 to £450.00 per day outside of IR35. Role responsibilities and key skills for the role: Carry out mechanical commissioning and decommissioning activities on CHP plant systems, including safe shutdown, isolation, and preparation of equipment for dismantling. Assist with the decommissioning of gas engines and/or gas turbines, including controlled run-downs, fluid draining, preservation, and disconnection of mechanical systems. Perform mechanical inspections, condition assessments, and verification of plant status prior to and during decommissioning works. Execute isolation, de-energisation, and lock-out/tag-out (LOTO) procedures in line with site safety and permit-to-work systems. Support removal and disconnection of mechanical...
IR35 Status:
Outside IR35

CV-Library East of England, UK Contractor
CL
Apr 17, 2026  
Pipefitter
Pipefitter NW8 starts 30/03/2026 Duration -4 months £28 per hour Ultra Prime Residence Copper Pipe works - all soldered (will need full tools, and transport to site) CSCS required For more information, please call David Bates @ ARM on (phone number removed) Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end...
IR35 Status:
Outside IR35

CV-Library Camden, London Contractor
CL
Apr 11, 2026  
Technical/Functional Business Analyst - Funds
Job Title:Technical/Functional Business Analyst - Funds Location: London (2/3 days on-site per week) Salary/Rate: £(Apply online only) per day outside IR35 Start Date: June Job Type: Initial contract until 31/12/2026 Company Introduction We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled Hybrid Business Analyst (Functional/Technical) with deep exposure to the investment funds domain. Job Responsibilities/Objectives This role requires a highly business-aligned individual who can bridge the gap between stakeholders and technical teams, with a strong grasp of fund structures, lifecycles, and associated processes. Engage with business stakeholders to elicit, analyse, and document requirements (both functional and technical) Translate business needs into clear, structured specifications for delivery teams Produce high-quality documentation, including: o Business requirements documents...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Jan 21, 2026  
Senior Electrical Design Engineer
Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors.. Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Skilled in Amtech, and Dialux/Relux, with AutoCAD and Revit proficiency being beneficial. Sound knowledge of British Standards and building...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 17, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Engineer (OUTSIDE IR35) Central London c£45 p/h 12 months Immediate Start Contract Senior Structural Engineer **OUTSIDE IR35** A major engineering consultancy in Central London is currently looking to recruit a Senior Structural Engineer for a minimum of 12 months. Our client is a leading London consultancy who have an excellent market presence. The successful Structural Engineer will be given the opportunity to work on major Healthcare refurbishment project. Previous large scale buildings design experienced would be advantageous. Ideally our client is looking for someone with strong refurbishment knowledge and good working knowledge of Masterseries software package. Steel work experience will also be looked upon favourably. Hybrid working can be offered. The ideal applicant will have an excellent track record as a structural engineer and ideally have a minimum of 10 years design experience. On offer is an immediate start with excellent...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
AI Engineer (Contract) – GCP / Startup Experience – Hybrid London
What We’re Looking For Strong experience as an AI / ML Engineer or Applied ML Engineer Deep hands-on knowledge of Google Cloud Platform (Vertex AI, BigQuery, Cloud Run, GKE, Pub/Sub) Proven track record building LLM, GenAI, or traditional ML solutions end-to-end Comfortable in startup or scale-up environments — fast-moving, iterative, delivery-focused Strong Python engineering experience Experience with MLOps, CI/CD, IaC, and productionising ML models Ability to work collaboratively with product, data, and engineering teams Contract Details Location: Hybrid London (2–3 days onsite) Start Date: ASAP Length: 6 months rolling Day Rate: Competitive (Outside IR35)
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
Package Project Engineer
Job Title: Junior Package Engineer (Oil & Gas) Location: London (Hybrid – minimum 2 days per week in office) Contract Type: Contract (Outside IR35) Start Date: Immediate Position Summary A fantastic opportunity is available for a Junior Package Engineer to support offshore oil and gas projects, including FPSO and topside developments. This role is ideal for someone early in their career who is looking to build hands-on experience across package engineering, vendor coordination, and project delivery. You will work closely with experienced engineers and project managers, gaining exposure across the full project lifecycle from design support through to procurement, inspection, and commissioning. Key Responsibilities Project and Package Support Review vendor documentation and ensure alignment with project requirements Assist with equipment expediting to support delivery schedules Provide general project and administrative support across engineering packages Prepare and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
Data Architect - Palantir Foundry - Contract
Morela is supporting a leading data consultancy on a nationally significant data programme, and we're looking for a hands-on Data Architect to take genuine ownership of the platform architecture, not just lead from a distance, but design and build alongside the team. You'll be responsible for ontology design, data pipeline architecture, and data modelling from scratch, while guiding a team of engineers through implementation and acting as the technical authority with key stakeholders. What you must bring: Deep, hands-on Data Architecture experience, you’ve designed and built complex data platforms yourself, not just directed others. Proven ability to design ontologies from the ground up within large or complex environments. Strong data modelling skills across conceptual, logical, and physical layers. End-to-end data pipeline architecture experience, including ingestion, transformation, governance, and optimisation. The confidence to operate as the technical authority, make...
IR35 Status:
Outside IR35

CV-Library London, UK 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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