8 construction jobs found in Northampton

A Tier 1 civil engineering contractor is seeking an experienced Sub Agent to support the delivery of a major highways project in Coventry. This is a long-term contract operating outside IR35, available on a CIS or LTD basis, with an immediate start. Role Responsibilities * Assist the Site Agent in managing day-to-day site operations * Coordinate site teams, subcontractors and suppliers * Oversee setting out, quality assurance and technical delivery * Ensure compliance with health and safety standards and RAMS * Produce site documentation, reports, ITPs and quality records * Support progress monitoring, problem-solving and programme delivery Requirements * Proven experience as a Sub Agent or Senior Engineer on highways or major civils projects * Strong understanding of earthworks, drainage, structures or road construction * SMSTS/SSSTS, CSCS and First Aid qualifications preferred * Strong...

Interim Project Supervisor – Hertfordshire £278 per day (outside IR35) Trevett Services are working with a leading contractor to source an Interim Project Supervisor for a 4 month contract paying £278 per day (outside IR35). Supporting the Project Management Team, the Project Supervisor will be responsible for a number of small M&E / Building projects ranging from £50k – £3m. Projects will primarily consist of refurbishment, Alteration, and Fit-Out projects as well as various small “Building Projects”. Key Responsibilities: * Liaise with key stakeholders on their requirements to explain feasibility of projects. * Work with the Project Team & Sub-contractors to define and document scopes of work. * Competitively price the works whilst returning expected profit margins. * Review all project information and implement a project delivery phase plan. * Engage with sub-contractors under the correct commercial terms. About you: * You will hold a valid Black...

We are looking for an experienced Electrical Commissioning Engineer / Senior Authorised Person to join our team in Royston. This role is with a global EPC, on an initial 12 month contract outside IR35. Key Responsibilities: * Coordinate with the installation contractor for the handover of completed electrical works. * Manage and supervise vendor personnel during commissioning activities. Perform electrical isolations and implement Lock Out / Tag Out (LOTO) procedures for equipment and systems. * Witness and/or execute testing of electrical equipment and systems to ensure compliance with project standards. * Prepare and maintain documentation for handover to the client, ensuring accuracy and completeness. Requirements: * Certified at to 11 Kv * Relevant electrical engineering qualification or equivalent experience. * Minimum of 7 years’ experience in electrical commissioning and/or high-voltage operations. * Senior Authorised Person (SAP) certification for HV...

Site Agent / Senior Site Agent – Outside IR35 12-Month Contract | Start ASAP | £400–£425 per day I’m supporting a major infrastructure programme and am looking for an experienced Site Agent or Senior Site Agent to take the lead on a large wastewater upgrade scheme. The project is moving into early delivery stages, with enabling works kicking off shortly and a substantial construction phase to follow. This role needs someone confident running a site day-to-day, managing a mix of civils, MEICA, and complex interfaces. You’ll be the on-site lead—driving progress, coordinating subcontractors, and ensuring all safety, quality, environmental and compliance requirements are met throughout the programme. Works will span new structures, pumping solutions, power upgrades, process systems and associated access and reinstatement activities. What you’ll be doing: • Leading all site activities from mobilisation through to completion • Coordinating civils, mechanical and electrical delivery...

Senior Estimator (Civils) Welwyn Garden City (Hybrid) 6 month contract Outside IR35 As a Senior Estimator, you will be responsible for preparing accurate and timely estimates for rail civils projects and frameworks, as well as producing and submitting quotations, bids and tenders to meet the business requirements. You will be responsible for pricing and developing bids for clients and Tier 1 Subcontractors by producing robust tender estimates. You will lead the development of client tender information into a comprehensive price for tender submission. Duties and responsibilities As the Senior Estimator your duties and responsibilities will be: Lead estimates * Undertake estimates in accordance with Company procedures * Lead team of estimators for larger tenders, mentoring and developing junior estimators * Identify opportunity and risk during tender process * Liaise with the business unit, Bid Manager and Planner to agree methodology and principles * Maintain...

Freelance Building Services Manager (Electrical Bias) Location: Birmingham Contract: Freelance / Outside IR35 (subject to assessment) Duration: 57 week, with strong pipeline of work Start: ASAP A major Tier 1 main contractor, recognised for delivering complex commercial and mixed-use developments, is seeking an experienced Building Services Manager (Electrical Bias) to join their team on a flagship Birmingham scheme. The wider business has a strong forward order book for 2025, with a construction portfolio forecast in the region of £450m, offering consistency and long-term opportunity for the right individual. About the Project You will be working on a major retained façade commercial office development in Birmingham — featuring 15 and 7-storey buildings. The project has a specialist building services partner appointed to deliver the full M&E scope, requiring close coordination and integration throughout the design and delivery phases. About the Role As the Building...

Freelance Building Services Manager (Mechanical Bias) Location: Birmingham Contract: Freelance / Outside IR35 (subject to assessment) Duration: 57 weeks, with strong pipeline of work Start: Feb 2026 A major Tier 1 main contractor with a strong presence across commercial, mixed-use, and major development schemes is seeking an experienced Building Services Manager (Mechanical Bias) to join their delivery team on a freelance basis. The business has secured a substantial forward workload for 2025, with a construction portfolio forecast in the region of £450m, offering consistency and long-term opportunity for the right individual. About the Role As the Building Services Manager, you will lead and coordinate building services activities from pre-construction through to project delivery, with a particular focus on mechanical systems. You will work closely with project teams, design consultants, and specialist subcontractors to ensure services are integrated, buildable, compliant,...

Project Engineer Location: Birmingham, United Kingdom not remote Contract Rate: £25–£30 per hour Contract: 12-month contract, Outside IR35 About the Role We are seeking a highly capable and detail-oriented Project Engineer to support the design, technical development, and fabrication of themed entertainment projects, immersive experiences, attractions, and bespoke creative builds. The successful candidate will collaborate closely with designers, engineers, fabricators, and project managers to deliver technical solutions that are safe, buildable, cost-effective, and fully aligned with creative intent. Key Responsibilities * Support engineering activities across the full project lifecycle—from concept development through detailed design, prototyping, fabrication, installation, and commissioning. * Produce and review technical drawings, schematics, 3D models, and engineering documentation. * Work with creative and design teams to translate concepts into...