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Contractor 37
Engineering Outside IR35 Welwyn Garden City

37 jobs found in Welwyn Garden City

CL
Jul 12, 2026  
Engineering Maintenance planner
Engineering Planner or Maintenance Coordinator   Days Monday - Friday.   The Engineering Planner / Engineering Maintenance Planner   Working with a market-leading manufacturer on contract for 12 months PAYE and Outside IR35 options available £200 - £300  per day Location 12 Months Ealing The Engineering Planner/ Engineering Maintenance Planner will work closely with Site Engineering Manager and Engineering Team Leaders, to maximize the performance of engineering operations and will be responsible for the work planning of the maintenance team and contract labour, including shutdowns and PPMs. Main duties of Engineering Planner/ Engineering Maintenance Planner:   ·The leadership of the maintenance shutdown coordination, establishing best engineering practices ·Control and populate the engineering shift plan for all engineering personnel across all disciplines including contractors ·To chair weekly scheduling meetings for planned activities ·Control, populate and...
IR35 Status:
Outside IR35

CV-Library Ealing, London, UK Contractor
CL
Jul 09, 2026  
Senior Engineer
Senior Civil Engineer - Data Centre Civils Package Location: London (Vine Street) | 1 day per week in office - 4 days WFH Contract: Initial 6 Months Rate: £40-45 per hour (Outside IR35) Hours: 8-5 Mon-Fri The role This is an opportunity to support the delivery of a data centre civils package. Fit best for an experienced Civil Engineer to join on a contract basis. This is a strong chance for a Senior Engineer who can hit the ground running, supporting civils design around a high-profile data centre project. The requirement has arisen due to workload demand and the client's current use of Site3D, meaning additional Civil 3D capability is required within the team. You will be responsible for supporting the civils design elements around the data centre development, including drainage design inside and outside of the building, as well as associated infrastructure works. Key Responsibilities · Civil engineering design support for data centre infrastructure projects · Delivery...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jul 05, 2026  
CAD Technician
CAD Technician London | Hybrid Working £40-£45 per hour | Outside IR35 Initial 6-Month Contract Help Deliver Some of the UK's Most Complex Engineering Projects Are you a CAD Technician with strong AutoCAD experience looking for your next contract opportunity? Our client, a leading engineering consultancy, is seeking a CAD Technician to support the delivery of major projects across the Data Centre, Healthcare, Life Sciences, Residential, Commercial Fit-Out, and Heritage sectors. With a strong reputation for technical excellence and innovation, they are involved in some of the most challenging and high-profile engineering projects in the UK. Key Responsibilities ·Produce and maintain detailed engineering drawings using AutoCAD. ·Prepare and amend technical drawings throughout the project lifecycle. ·Support multidisciplinary teams with the production of design and construction information. ·Ensure all drawings comply with project specifications, company standards, and...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jul 05, 2026  
CAD Technician
CAD Technician London | Hybrid Working £40-£45 per hour | Outside IR35 Initial 6-Month Contract Help Deliver Some of the UK's Most Complex Engineering Projects Are you a CAD Technician with strong AutoCAD experience looking for your next contract opportunity? Our client, a leading engineering consultancy, is seeking a CAD Technician to support the delivery of major projects across the Data Centre, Healthcare, Life Sciences, Residential, Commercial Fit-Out, and Heritage sectors. With a strong reputation for technical excellence and innovation, they are involved in some of the most challenging and high-profile engineering projects in the UK. Key Responsibilities ·Produce and maintain detailed engineering drawings using AutoCAD. ·Prepare and amend technical drawings throughout the project lifecycle. ·Support multidisciplinary teams with the production of design and construction information. ·Ensure all drawings comply with project specifications, company standards, and...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jul 14, 2026  
SHEQ Advisor _ electrical utilities
SHEQ Advisor – Electrical Utilities Our client is a major utilities contractor delivering a large portfolio of HV and EHV schemes in the varied and growing energy market. Milford RES has been asked to source an experienced health and safety advisor to ensure the safe delivery of a wide range of HV engineering works. The successful applicant will be engaged on a variety of schemes around the London and south east areas so you must be mobile around that area. To apply for this role you must meet the following criteria: * Experienced SHEQ advisor / manager * Extensive relevant health and safety qualifications * National Grid, DNO, IDNCO and ICP experience would be highly beneficial * You must have electrical utilities or civils experience * Applicants must be autonomous, professional and comfortable dealing with senior industry stakeholders * You must be based in the UK and fully eligible to work in the UK * You must have a full driving license and be happy...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 11, 2026  
BMS Commissioning Engineer
Location: Slough Contract Length: 6 Months IR35 Status: Outside IR35 Start Date: ASAP We're currently supporting a specialist BMS contractor delivering works on a live data centre project in Slough and are looking to bring on an experienced BMS Commissioning Engineer with strong Tridium/Niagara experience. This is a site-based role working within a mission-critical environment, supporting the commissioning and optimisation of BMS systems through a key phase of the project. Responsibilities Commissioning Tridium/Niagara BMS systems Point-to-point testing and validation Modifying and optimising existing control strategies Fault finding and troubleshooting BMS issues Supporting integration of HVAC and critical cooling plant Working closely with project and commissioning teams Completing commissioning documentation and test records Supporting witness testing and handover activities Requirements Strong Tridium/Niagara commissioning experience Previous experience working on data...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 01, 2026  
Senior Contracts Engineer
Commercial / Contracts Engineer – Contract – London Location: London This is an excellent opportunity to join a world leading cleantech, renewable and alternative energy company involved in the development of novel green energy solutions on a global scale. The role is working client side and is outside IR35. Role & Responsibilities * Responsible for managing the full lifecycle of major EPC and PMC contracts – including the tendering, negotiation, award, post-award administration, and close-out. * Responsible for negotiation and commercial management of all contracts relating to the engineering programme both during the design and construction phases (EPC). * Prepare and issue RFPs/RFQs, oversee clarifications, conduct bid evaluations, and lead both technical and commercial assessments. * Lead contract and commercial negotiations with contractors, consultants, and suppliers. * Implementation of contractual agreements with suppliers and partners to protect commercial...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Design Engineer Central London Start ASAP Outside IR35 c£47-49 p/h Ltd   Contract Senior Structural Engineer   A leading architecturally led Structural Engineering consultancy in Central London is currently looking for hire a Contract Senior Structural Engineer to ideally start early July ’26.   Due to a number of significant wins our client is looking find a Senior Structural Engineer with a minim of 8-10 years design experience.  The successful candidates will be able to design proficiently in all main materials with first class ability to design in steel and RC.   Our client is currently working on a £100m + signature London structure which they need some additional design input and assistance on.   Hybrid working can be offered.  An hourly rate of c £47-49 p/h can be offered with an Outside IR35 capacity.    Our client can offer a minimum 3 month contract assignment, however with current work load this is likely to be extended.   For more information...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 17, 2026  
Electrical Engineer
Our client is a well-established engineering company currently looking to recruit several Electrical Engineers for a major M&E project in the London area. This is a long-term opportunity to contribute to a large-scale, high-profile project. Details: * £(Apply online only) per day (Outside IR35) - DOE * Weekly payments * Duration: Ongoing until September 2027 * Start date: ASAP They are seeking an experienced Electrical Engineer with knowledge of the following: * RIBA Stage 4 deliverables * Production of IFC documentation and drawings * Lighting controls (desirable) * Strong construction knowledge This is a design-focused role. The client has advised that experience with Amtech and Dialux would be beneficial, though not essential. The majority of the work will be focused on LV systems. If this opportunity is of interest, please apply or contact Adam using the details provided
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Senior Product Design Engineer
Role: Senior Product Design Engineer Location: London Contract Type: Contract / Freelance Duration: 6 months + Rate: £315 per day Status: Outside IR35 - Ltd co contract Shape Innovative Products from concept to reality. An exciting opportunity has arisen with a highly respected product innovation consultancy known for delivering cutting-edge solutions across healthcare, consumer, and industrial sectors. Working within a collaborative, multidisciplinary environment, you will play a pivotal role in transforming ideas into commercially successful, production-ready products. This is an ideal opportunity for an experienced Product Design Engineer who thrives on solving complex engineering challenges, balancing creativity with technical rigour, and leading projects from research through to manufacture. The Opportunity: As a Senior Product Design Engineer, you will work on a broad portfolio of technically challenging and highly innovative projects within consumer electronics,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Service Engineer
BMS Service Engineer Contract 3 – 6 months London & M25 We are offering an accomplished BMS Service Engineer £38 - 45 per hour (outside IR35) to join a well-established Controls company on a contract to cover London and the M25 area. This is an initial 3 – 6 month contract with potential to extend further. The BMS Service Engineer position:- As a BMS Service Engineer, you will need to demonstrate exceptional technical understanding of BMS, in particular Trend control systems.   Your duties will include carrying out service and maintenance on BMS Control systems along with small works.  You will be expected to work independently using your own skill and initiative as well as part of a larger team of engineers when required. Key skills of the BMS Service Engineer:- Exceptional technical knowledge and experience of the BMS sector. Proven experience of carrying out servicing and small works on BMS Controls Systems. Qualifications and experience with Trend control systems....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Project Manager
We have a fantastic contract opportunity for an experienced BMS Project Manager to join an exciting project in London. On offer for the successful BMS Project Manager is a 12 month contract, £350 - £450 per day, and the opportunity to work for a successful BMS intelligent integration business. The BMS Project Manager role:- As a BMS Project Manager, you will be a highly skilled, professional and driven individual who has a wealth of knowledge and background in the BMS sector. You will be required to liaise confidently and positively with the client delivering a fantastic service, attending progress meetings, managing sub-contractors, commissioning engineers, and covering all aspects of project management. To apply you must have a proven track record of managing large BMS projects. Key Skills required of BMS Project Manager:- * Exceptional knowledge and background in the BMS industry. * Proven track record of managing large BMS projects, all aspects. * Strong commercial and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 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
May 12, 2026  
BMS Commissioning Engineer
We have a fantastic contract opportunity for an experienced BMS Commissioning Engineer to join an exciting project in London. On offer is an initial 3 to 6  month contract (with the potential to extend), £300 - £340 per day (outside IR35), and the opportunity to work for a successful BMS integration business. The BMS Commissioning Engineer position: - As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Trend and Tridium systems.  You will be required to perform software modifications, writing, and generating graphics, working alongside a team engineers. Key skills of the BMS Commissioning Engineer: - Exceptional technical knowledge and experience of the BMS sector. Proven experience commissioning BMS systems Qualifications and experience with Trend and Tridium or Delta Ability to write and manipulate software and graphics. CSCS Skill card or equivalent Benefits of the BMS Commissioning...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer, Cylon or Tridium London £330 to £400 per day, Weekly pay Our client requires an accomplished BMS (Building Management Systems) Commissioning Engineer with Cylon Controls (or Tridium) experience to work on a major prestigious project in Central London. The work will involve the commissioning of Fan Coils Units using Cylon Controls, with on-going major plant commissioning works available thereafter. This contract will initially run for 6 months, however opportunity for extension and to join exciting projects in the future will be available for the right candidate. Role Profile The successful applicant for this BMS Commissioning Engineer role will need to have experience of using Cylon or Tridium controls to commission Fan Coil Units and major plant Key skills required:- * Experienced in the Commissioning of Building Management Systems (BMS) * Qualified and experienced with Cylon or Tridium Control systems. * CSCS Skill Card or equivalent. £330 - £400...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Service Engineer
We have a fantastic opportunity for a proficient BMS Service Engineer to join a well-established building controls business working on multiple contracts in London on a contract basis. This contract position offers an excellent hourly rate paid weekly ( outside IR35) Company Profile Our client is a household name in the world of BMS providing full turnkey solutions to the Building Energy Management sector since the late 90’s. With their wealth of expertise, they are able to secure projects of all size and type and deliver a best-in-class service from design all the way to end user handover. The Role of the BMS Service Engineer As a BMS Service Engineer you will be responsible for the pre-planned and reactive maintenance of Building Management Systems, predominantly across London. You will have in-depth knowledge of BMS (Building Management Systems) hardware including fault finding, wiring and networking. You will possess the knowledge and experience to be involved with small...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 09, 2026  
Electrical Engineer
Electrical Engineer – Building Services (Outside IR35) Location: site based Rate: £440 per day (8 hours) – All Inclusive Contract Type: Limited Company (Outside IR35) Duration: Minimum 3 Months (Immediate Start Available) We are currently seeking two experienced Electrical Engineers to join our team on an immediate-start contract basis. This is an excellent opportunity to work on a range of building services projects, supporting electrical design and coordination activities within a collaborative multidisciplinary environment. Key Responsibilities * Carrying out Amtech cable calculations. * Completing containment fill calculations. * Updating and maintaining distribution board (DB) schedules. * Producing and reviewing lighting calculations using Dialux Evo. * Coordinating with the CAD/BIM team to accurately position luminaires within the 3D model. * Assisting in the development and coordination of: * Lighting layouts * Lighting control layouts *...
IR35 Status:
Outside IR35

CV-Library Hillingdon, Greater London Contractor
CL
Jul 08, 2026  
HV Commissioning Engineer
Astute's Power Team are partnering with a Leading EPC Contractor within the Energy Sector. We are currently recruiting for a HV Electrical Commissioning Engineer to join their Open Cycle Gas Turbine project based in Stewartby, Bedfordshire. The HV Electrical Commissioning Engineer position comes with a day rate from £550.00 to £575.00 per day outside of IR35. Role responsibilities and key skills for the role: Lead and coordinate all high-voltage (HV) commissioning activities associated with the 298MW OCGT plant, ensuring safe, compliant, and efficient delivery in line with project milestones. Execute detailed HV commissioning plans, switching schedules, and energisation procedures, aligned with the overall project commissioning strategy and grid connection programme. Supervise and manage pre-commissioning and commissioning of HV systems, including GIS/AIS switchgear, power transformers, generator step-up (GSU) transformers, protection & control systems, and grid interface...
IR35 Status:
Outside IR35

CV-Library Stewartby, Bedfordshire Contractor
CL
Jul 12, 2026  
Mechanical Project Engineer
Mechanical Project Engineer Based in Dagenham £450 Day Rate Outside IR35 6 Month Rolling Contract The Role We are looking for an experienced Mechanical Project Engineer to deliver CAPEX projects from concept through to commissioning at our industrial site. Working as part of a collaborative engineering team, you will manage the full project lifecycle while overseeing contractors, ensuring technical excellence and maintaining the highest safety standards. This role will support the delivery of an annual £4–6 million CAPEX programme as part of a wider long-term investment strategy. Key Responsibilities of the Mechanical Project Engineer Manage projects from concept, design and budgeting through to commissioning and handover. Develop project scopes, schedules and cost estimates. Coordinate and manage contractors, including tendering and on-site performance. Lead mechanical engineering activities, particularly pipework modifications, pumps and valves. Ensure compliance with...
IR35 Status:
Outside IR35

CV-Library Dagenham, UK Contractor
CL
Jul 11, 2026  
Engineer
Site Engineer   Location: Aylesbury, Buckinghamshire Project Type: Major Infrastructure / Fencing Works Duration: Long-Term Opportunity Employment Type: Freelance (Outside IR35)   We are seeking an experienced Site Engineer to join our team on a long-term fencing package within a major infrastructure project based in Aylesbury. This is an excellent opportunity for an engineer who enjoys being involved in both the technical and operational aspects of project delivery.   Key Responsibilities ·Interpret and work from engineering designs and construction drawings. ·Carry out setting out activities and maintain accurate site records. ·Produce and manage as-built information. ·Support the day-to-day planning, coordination, and delivery of works. ·Liaise with site management, subcontractors, and client representatives. ·Ensure works are delivered safely, efficiently, and to specification. ·Assist with progress reporting and programme management.   Requirements...
IR35 Status:
Outside IR35

CV-Library Aylesbury, UK Contractor
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