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Contractor 35
Engineering Harpenden construction

35 construction jobs found in Harpenden

CL
Apr 09, 2026  
Electrical Construction Engineer / Project Manager
Job Title: Electrical Construction Engineer / Project Manager Location: AWE Site - Project Mensa Contract: 3 Months Initial (Likely Extension) Rate: £500-£600/day Umbrella PAYE (DOE) Start: ASAP Working Pattern: Full-time site based, Monday-Friday (optional weekend work available) We are looking for an experienced Electrical Construction Engineer / Project Manager to support Project Mensa at AWE, currently in a heavy commissioning phase. The role requires strong experience with LV / HV electrical systems, site delivery, and commissioning within regulated or high-security environments. Requirements: Proven experience in electrical construction / project engineering / project management Strong LV / HV installation and commissioning background Experience on industrial, nuclear, defence, or similar regulated projects CSCS card - essential HNC / HND / Degree in Electrical Engineering or similar (preferred) SMSTS / SSSTS / IOSH / NEBOSH desirable Previous AWE experience /...
IR35 Status:
Unknown Status

CV-Library Reading, Berkshire Contractor
CL
Dec 27, 2025  
Safety Engineer
World Class Defence Organisation based in Stevenage is currently looking to recruit a Safety Engineer Subcontractor on an initial 12 month contract.  (The role will be split of working Onsite and Working From Home).    Contract Duration: 12 Months (initially and then ongoing thereafter) Hourly Rate: £80ph (Umbrella) Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be 2-3 days per week onsite and 2-3 days working from home. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview.   Safety Engineer Job Description: An opportunity has arisen for an engineer to exploit their safety engineering skills to influence the safety aspects of one of our technically complex products. While exploring the boundaries of best practice, this will involve...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 08, 2026  
Assistant Surveyor
Carmichael UK is recruiting for an Assistant Land Surveyor to join a major infrastructure project in Buckinghamshire, supporting delivery works on the HS2 programme. This role offers an excellent opportunity for a surveyor looking to build experience on one of the UK’s largest and most complex civil engineering schemes, working alongside experienced survey and engineering teams. The Role As Assistant Land Surveyor, you will support the surveying function across site operations, ensuring accurate data capture and setting out to support construction activities. Key responsibilities include: Assisting with setting out and dimensional control across site Supporting topographical and as-built surveys Operating surveying equipment including total stations, GPS/GNSS Maintaining accurate survey records and site documentation Working closely with engineers and site teams to ensure accuracy and quality Adhering to HS2, health & safety, and environmental standards at all times...
IR35 Status:
Unknown Status

CV-Library Buckinghamshire, UK Contractor
CL
Apr 08, 2026  
M&E Site Manager
Role: M&E Site Manager - Location: Kent Rate: up to £400 a day Duration: 6 month +   Are you a M&E site manager who is looking to be a apart of a successful team within the Water sector? Could you be the  M&E Site manager working on the Southern Water framework for a tier 1 client? What will you be doing? As a new Site Manager, you'll be working within clean water treatment, Non- Infrastructure scheme to manage the Health, Safety, Environmental and Sustainability with responsibility for CDM for managing compliance for all delivered construction work. Whilst being primarily focussed on managing construction delivery, you'll always adopt a wider pan-Alliance view, modelling appropriate Alliancing behaviours and leadership skills within integrated teams. Key responsibilities: ·Lead and manage site construction teams within designated portfolios to deliver projects within approved budget and to an agreed time frame; facilitate project construction kick off...
IR35 Status:
Unknown Status

CV-Library Greater London, UK Contractor
CL
Mar 26, 2026  
Mechanical Fitter
MPI require a Mechanical Fitter to work on a long term contract basis, for our client based in Kempston 40 hours per week Mon - Fri 7:00am – 15:30pm, with half hour lunch break but this can vary when working on client sites Our client is an established manufacturer of water processing equipment, based in Bedford. They require a skilled mechanical fitter to assist with installations of equipment on client sites. The role will involve travelling to client sites and assisting an engineering team with the installation of a wide range of processing / treating equipment. Experience of working on Water Treatment works is always an advantage. ESSENTIAL CSCS Card – Green (as a minimum) Blue or Gold SSSTS or SMSTS EUSR (water Hygiene) Confined Space PASMA (Scaffold Towers) First Aid JOB PURPOSE To work safely at all times and to always consider the safety of others in anything they do. To deliver mechanical services on defined projects. To take instruction from a team leader. To...
IR35 Status:
Unknown Status

CV-Library Kempston, Bedford Contractor
CL
Apr 08, 2026  
Scientist
Talentmark are recruiting for a Scientist to join a global pharmaceutical company on a contract basis initially for 12-months. Salary: £22.40 per hour PAYE or £30.81 per hour via umbrella. Scientist (Antibody Cell Line Sciences) Role: Establish and develop host cell line systems to support the manufacturing of therapeutic antibodies and novel biologics. Generate and optimize stable mammalian cell lines for protein expression using advanced cell engineering and genome engineering techniques. Apply laboratory-based scientific expertise to support the development of manufacturing-ready host systems while ensuring compliance with GMP requirements. Work with molecular biology and engineering teams to support the development of robust cell line platforms. Carry out laboratory techniques including ddPCR, cloning, plasmid construction, flow cytometry/FACS and single-cell cloning.Your Background: BSc degree in a relevant life sciences discipline. Industry experience in cell culture...
IR35 Status:
Unknown Status

CV-Library Slough, UK Contractor
CL
Apr 03, 2026  
Cell Line Development Scientist
Your new company You'll be joining a well-established global biopharmaceutical organisation advancing next‑generation antibody and therapeutic technologies. You'll be part of an innovative team focused on developing high‑quality, manufacturable mammalian cell lines. Your new role You'll be joining an experienced team who drive a lot of the mammalian cell line development behind the company's entire portfolio, where you will contribute to the creation and optimisation of stable host cell lines to support therapeutic manufacturing. This is initially a 12 month contract that is likely to extend to at least 18 months and potentially run for 2 years. The role will mainly involve working regular hours Monday-Friday but there may be occasional weekend work. Key responsibilities include: Establishing, developing, and optimising stable mammalian cell lines for protein and antibody expression Working extensively with CHO cells, while applying experience with other mammalian lines where...
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire Contractor
CL
Apr 03, 2026  
Chartered Engineer
Chartered Engineer   London   6-month contract   £470 - £520 per day   Full time Are you an experienced Chartered Engineer for your next challenge?   Our client is seeking an experienced Chartered Engineer to join them on an ongoing Contract.     Key Responsibilities:   ·Providing independent oversight as the CG300 works examiner on Gallows Corner. · Conducting site visits 3-4 times a week at the start of employment to inspect and sign off on 6 live sites. ·Preparing detailed reports and technical documentation. ·Strong experience in highways, construction, and bridge engineering.    This role will go quickly so please apply with an updated CV, email (url removed), alternatively call on (phone number removed) for more information.   FOOTNOTE: If you feel that you are right for this role technically, but the rate, location or seniority does not suit you specifically then please still feel free to send us your CV. We constantly recruit for roles very similar...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Apr 09, 2026  
Structured Cabling Engineer
Structured Cabling Engineers – Upcoming Projects Location: London Area (in and around) Contract Type: Contract / Ongoing Project Work Start Dates: To Be Confirmed We are preparing for a number of upcoming structured cabling projects across varied environments including offices, retail sites, warehouses, construction builds, data centres and temporary installations. These positions are not live yet; we are shortlisting now to ensure rapid mobilisation once programmes are confirmed. The work will involve both 1st and 2nd fix tasks, including the installation, routing, termination and testing of copper cabling (Cat5e, Cat6, Cat6a, Cat7). Engineers must be confident working from plans, producing clean and professional installations, and using Fluke test equipment to certify work. Requirements * Proven experience in structured cabling installations * Strong copper skills across Cat5e–Cat7 * Competent with 1st and 2nd fix work * Able to test using Fluke equipment *...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 05, 2026  
Mechanical Engineer - MRO
Dedicated to sustainable development, Arup is a collective of designers, consultants and experts working globally. At Arup you will have the opportunity to collaborate on ambitious projects - delivering remarkable outcomes for clients and communities, and to do socially useful work that has meaning. Arup's purpose, shared values and collaborative approach has set it apart for over 75 years, and now is your opportunity to join. Job description - the role AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Arup to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On Behalf of Arup, we are...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 05, 2026  
Senior Electrical Engineer - MRO
Dedicated to sustainable development, Arup is a collective of designers, consultants and experts working globally. At Arup you will have the opportunity to collaborate on ambitious projects - delivering remarkable outcomes for clients and communities, and to do socially useful work that has meaning. Arup's purpose, shared values and collaborative approach has set it apart for over 75 years, and now is your opportunity to join. Job description - the role AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Arup to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On Behalf of Arup, we are...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 05, 2026  
Design Manager - Civil Engineering - Water
Job Title: Design Manager - Civil Engineering - Water Location: National - Priority is Epsom, London, Peterborough, Cambridge Pay Rate: £65 per hour via Umbrella Contract Length: 12 Month contract Are you a Design Manager who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? We are looking for an energetic and experienced Design Manager to join our team within the Design & Advanced Technology (D&AT). You'll be part of a talented, multi-disciplinary team delivering cutting edge, iconic projects to our Water market clients. As a key member of our team, you'll play a vital role in delivering transformational programmes for critical UK infrastructure, with opportunities to work on landmark engineering projects both domestically and internationally. We're committed to providing industry-leading solutions throughout the project lifecycle, adding value through client-side...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 03, 2026  
NEC Supervisor - Marine
Job Title: NEC Supervisor – Marine Location: Immingham Port Contract Type: Freelance IR35 Status: Outside IR35 Duration: Until April 2028 A Tier 1 Contractor delivering a major port infrastructure development at Immingham Port is seeking an experienced NEC Supervisor (Marine) to join the project team on a freelance, Outside IR35 basis. This is a long term opportunity on a high profile scheme, supporting the delivery of the marine and nearshore construction works. The successful candidate will report directly to the Lead NEC Supervisor and will play a key role in ensuring the works are carried out in line with NEC contract requirements and project quality standards. Role Overview The NEC Supervisor will oversee the marine and nearshore construction elements of the project. Key works include: • Marine piling operations • Dredging activities • Placement and installation of precast elements Due to the nature of the works, proven marine or coastal construction experience is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Senior Civil Engineer
Senior Civil Engineer – Residential Development Location: Central London (Hybrid) Contract: 12-24 month contract IR35 Status: Outside IR35 Rate: Circa £40–£47 per hour An established independent civil and infrastructure design consultancy is seeking an experienced Senior Civil Engineer to support the delivery of residential development projects across London and the South East. The role offers involvement in technically engaging schemes, a collaborative project team, and flexible hybrid working from a Central London office. The Role You will take responsibility for the civil infrastructure and drainage design on residential-led developments, supporting projects from planning through to technical approvals and delivery. Key responsibilities include: Detailed drainage and SuDS design Preparation of Flood Risk Assessments and surface water strategies Managing local authority and statutory submissions Delivery of Section 278 and Section 38 designs and approvals...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Senior SHE Advisor
Your new company Contributing to a significant amount of the UK’s highways services, this company specialises in providing highways maintenance and management services to both public and private sector clients. In addition to highways maintenance, they cover network management, emergency response services, and traffic management. They have a strong focus on safety, sustainability, and innovation, which enables them to deliver services and large-scale, complex projects in an efficient and environmentally friendly manner. Your new role As a Senior SHE Advisor, you will play a key role in supporting the safe and compliant delivery of highways projects across the network. You will provide expert guidance on Safety, Health and Environmental (SHE) matters, ensuring all activities are carried out in line with company policies, legal requirements, and industry best practices. Working closely with operational teams, project managers, and subcontractors, you will help embed a strong...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 01, 2026  
BMS Project Manager
Project Manager - BMS Package | Canary Wharf | 10-Month Contract We’re seeking an experienced Project Manager to oversee the BMS package on a large mission critical project in Canary Wharf. This is a 10-month contract opportunity, ideal for someone with a proven track record delivering complex BMS or M&E packages on high-value construction projects. Key Details: * Location: Canary Wharf, London * Duration: 10 months * Scope: BMS package delivery on a major mission critical site. * Experience: Strong understanding of BMS systems, project delivery, and stakeholder management within mission-critical environments If the role above is of interest, please apply below or drop me a message on LinkedIn
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 25, 2026  
EOI - Infrastructure Delivery [Highway/Active Travel
Hello there, I'm writing to get in touch to see if you have an interest in assisting Local Authorities country-wide with in-house Highway Infrastructure Delivery. Local Authorities' requests have recently come out seeking specialist Project/Programme Managers on a contractual basis to oversee Highway (Complex) Infrastructure Schemes through Planning, detailed Design and Construction. Added expertise in delivering under NEC4 ECC Options, A, B or C is greatly appreciated. As well as having expertise in managing Tier 1 Contractors and Governance [Balfour Beatty, Bloor Homes, Homes England, Atkins] If any of these positions above are of interest, I'd welcome a CV and am happy to add you to my records and have an initial chat. Following this, my clients propose potential requirements for the above country-wide. We would like to attract talent from all corners of the Engineering/Transport world for this role. Our commitment is to an equitable recruitment process so feel free to apply in...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 17, 2026  
Highways Supervisor
The role As a Schemes Supervisor, you will play a critical role in assisting the construction manager in overseeing the delivery of highway improvements. You will be responsible for ensuring that projects are completed on time, within budget, and in compliance with all relevant regulations and quality standards. The ideal candidate will have a strong background in highways engineering, excellent leadership skills, and a proven track record of successfully managing complex projects. * Develop and implement detailed project plans, including resource allocation, risk assessments, and mitigation strategies. * Monitor project schedules and collaborate with contractors, clients, and stakeholders to ensure adherence to timelines. * Maintain accurate and up-to-date daily site records, including photos, equipment, and labor resources. * Assist in resolving site and construction-related issues, communicating changes to Scheme Engineer, Designers, and Quantity Surveyors. * Conduct...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Electrician
Job Title: Electrical Engineer - Social Housing Locations such as: West London and Haringey Salary: £38,784 - £42,038 base (OTE up to £80,000) Job Type: Permanent Overview We're recruiting an experienced Electrical Engineer to work across social housing properties in London. This is a great role for a qualified electrician seeking long-term stability, progression and excellent earning potential. Key Responsibilities Carry out electrical repairs, installations, maintenance and testing in social housing properties. Complete EICRs, remedials, fault finding, upgrades, first and second fix work. Work safely in line with BS 7671 and all electrical standards. Deliver high-quality, customer-focused service to tenants. Maintain accurate job records and documentation. Requirements Level 2 / Level 3 Electrical Engineering qualification (essential). AM2 qualification (Gold Card eligible). Experience in social housing, domestic maintenance, EICR testing or repairs (preferred)....
IR35 Status:
Unknown Status

CV-Library West London, London Contractor
CL
Feb 28, 2026  
Electrician
Job Title: Electrical Engineer - Social Housing Locations such as: West London and Haringey Salary: £38,784 - £42,038 base (OTE up to £80,000) Job Type: Permanent Overview We're recruiting an experienced Electrical Engineer to work across social housing properties in London. This is a great role for a qualified electrician seeking long-term stability, progression and excellent earning potential. Key Responsibilities Carry out electrical repairs, installations, maintenance and testing in social housing properties. Complete EICRs, remedials, fault finding, upgrades, first and second fix work. Work safely in line with BS 7671 and all electrical standards. Deliver high-quality, customer-focused service to tenants. Maintain accurate job records and documentation. Requirements Level 2 / Level 3 Electrical Engineering qualification (essential). AM2 qualification (Gold Card eligible). Experience in social housing, domestic maintenance, EICR testing or repairs (preferred)....
IR35 Status:
Unknown Status

CV-Library West London, London Contractor
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