15 mechanical project manager jobs found in London

Mechanical Construction Manager G2 are currently looking for a Mechanical Construction Manager to support a major project on a 12‑month contract. Contract Details: * Duration: 12 months * Location: West London * Start date: ASAP * IR35 Status: Outside IR35 Role Overview * Take ownership of on-site delivery across mechanical building services packages, including HVAC, ductwork, pipework, drainage, and water systems. * Review and work from mechanical drawings, identify issues, raise RFIs, and assist with red-line mark-ups and as-built information. * Coordinate site activities, ensuring works are delivered safely, to programme, and in line with technical requirements. * Maintain control of site documentation such as RAMS, inspections, toolbox talks, PPE records, and plant checks. Essential Experience * Strong background in mechanical construction management on complex projects. * Working knowledge of HVAC systems (VRF, DX), LTHW, chilled water,...

Job Title: Mechanical construction manager Location: Heathrow Duration: 12 months Contact: Mitchell Apply now! Site Operative Solutions Limited have an excellent opportunity for Mechanical construction manager in Heathrow Start date: ASAP Duration: 12 months For this role, Mechanical construction manager would be undertaking the following duties: Understanding of Systems Air conditioning Vrf DX Indoor and outdoor units Liquid Lines Gas lines Ductwork - General Supply and Extract Ductwork - Fire Rated Ductwork - Smoke Extract Drop dampers Motorised dampers Drainage Hdpe Terrain Condense systems Vent pipe anti syphon systems Soil Vent Pipe Systems LTHW Valve trains Drvs Pic valves Flow and Return Dosing Pots Flushing Chilled Water Valve trains Drvs's Pic valves Flow and Return Dosing pots Flushing Fan coil units Potable Water Systems Non potable Systems Cat 5 Systems Chlorination...

Role: Project Manager Status: Contract, 12 months outside IR35 Location: Harlow Addison Project Plc are seeking a PSC contractor to provide Project Management services to support a project in Greater London. Workscope: * To Provide engineering design-based Project Management services from Front End through detailed design. * Full responsibility for the delivery to install a new process integrated into an operational manufacturing plant. Services to be provided: * Complete project management services from Front End through detailed design * Day-to-day client interface and stakeholder management * Provide guidance to client teams and the construction manager * Plan and control scope, schedule, cost and risk * Coordinate multi-discipline design (Process, Mech, EC&I, Civils/Struct) and constructability reviews. * Lead all on site activites, proactive client, design and construction team communication is key for this role *...

Due to an increase in work within their Utility works in Central London, our client have the need for a Site Engineer to join their team and to support the Project Manager on major Utility Diversion works. This role involves coordinating with contractors, interpreting technical drawings, and ensuring compliance with all regulations and specifications. To be considered, you will have a minimum of an HNC in Civil Engineering and will hold SMSTS, CSCS and First Aid. Utilitiy Diversion experience is essential! Top day rate is on offer which is Outside IR35 and comes with a long term contract! This is a top need with a great client so if you meet the above and are interested, apply now

Civil Design Engineer | Water Sector Contract: Long‑term, Outside IR35 Location: London (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the London office.  Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical, and delivery functions...

BMS Commissioning Engineer (Subcontract) – Large-Scale Projects in London Are you an experienced BMS Commissioning Engineer ready to take on your next challenge? This is your chance to work on some of London’s most prestigious Building Management Systems (BMS) projects. Join a dynamic team for a 6-month contract with competitive day rates between £350- £400 outside IR35, depending on your experience. All paid weekly, no waiting 30-60 days to get paid. In this role, you'll be responsible for commissioning cutting-edge BMS controls, including Trend, Tridium, Distech, or Schneider systems, ensuring buildings run efficiently and effectively. You'll bring your technical expertise to deliver critical commissioning tasks on high-profile developments that rely on your skills to ensure seamless environmental control and energy management. Why This Opportunity Stands Out: * Gain Exposure: Work on large-scale, complex BMS projects that will challenge and enhance your skills. * Make...

Cyber Security Engineer Day Rate: £500 - £550 per Day (Outside IR35) Duration: 3 Months + Likely Extension Location: London (hybrid working) My client is a rapidly growing global organisation offering a range of services to the Professional Services sector globally. They are recruiting for an experienced hands-on Cyber Security Contractor to support their security operations and compliance initiatives, working closely with their internal Security team to strengthen their cyber resilience and ensure adherence to UK standards. Key Duties: * Implement, manage and actively monitor security controls across e-mail, endpoint, and cloud environments * Monitor and respond to security incidents using advanced threat detection tools * Assist with compliance activities and audits for ISO27001, Cyber Essentials & Cyber Essentials Plus certification * Provide technical expertise on security best practices and risk mitigation * Collaborate with IT and business teams to...

Maintenance Manager (Interim) £450 - £500.00 daily rate plus expenses  (Outside IR35) 4 on 4 off DAYS Location: Commutable from Wembley, London The Profile We are seeking an experienced Maintenance Manager to ensure the smooth and efficient running of the Engineering Department on an interim basis. The successful candidate will have: This is a hands on engineering role ·A recognised engineering apprenticeship or relevant engineering qualification ·Proven experience within food manufacturing or a process-driven production environment ·Strong knowledge of Planned Preventative Maintenance (PPM) systems and implementation ·Experience managing quality standards and reducing waste ·A proactive, hands-on leadership style with a focus on continuous improvement ·Strong organisational and problem-solving skills The Role Reporting to the Head of Engineering, the Interim Maintenance Manager will be responsible for: ·Providing strong leadership and man-management to a small team...

Contract Manufacturing Engineer Contract - 52 weeks - £47.84 per hour (umbrella) The Opportunity We are seeking a Contract Manufacturing Engineer to join a leading organisation in the defence and advanced electronics sector. You will support the development and production of mission-critical systems across multiple domains, working within cross-functional project teams. Key Responsibilities Develop and implement manufacturing processes to support new product introduction Support manufacturing governance, planning, and lifecycle reviews Analyse production data to inform decision-making and improve efficiency Resolve production issues and support shop floor activities Drive continuous improvement in processes, capacity, and workflow Ensure product quality through validation and process control Maintain manufacturing documentation and data Contribute to problem-solving activities (e.g. 8D) Mentor junior team members and promote best practices Required Skills & Experience...

PMO Lead - Major Infrastructure Programme Location: Dartford (Hybrid - 3 days on-site, Tuesday to Thursday) Rate: £650 per day (Outside IR35) Duration: 12 to 18-month contract A Tier 1 construction firm is seeking an expert PMO Lead to establish and manage a critical, multi-million-pound programme. This isn't a "maintenance" role; we require an architect who can design the governance framework from the ground up and drive the operational rhythm to ensure delivery excellence. You will act as the "conscience of the programme," providing the executive team with the transparent data and insights needed to make high-stakes strategic decisions. Key Responsibilities Define and embed the PMO operating model, including governance standards, reporting cycles, and quality assurance frameworks. Develop and oversee complex, multi-workstream schedules, ensuring all dependencies and critical paths are visible and managed. Lead the identification and mitigation of Risks, Issues,...

Pipe Stress Engineer Location - Leatherhead Work pattern – 4 days office – 1 day remotely. Rate - £60 p/hr – Outside IR35 Duration – 6 months Start - ASAP Job Responsibilities: During Detail Engineering, perform Piping Stress Analysis of high temperature piping systems using a combination of practical experience and commercially available software. Implement project specifications. Work as part of a team to ensure Isometrics are being checked in a timely manner Ensure a consistent and compliant approach to project execution. FEA Analysis of specialist piping components. Analysis of new and existing piping systems on Greenfield and Brownfield Projects. Work individually or as part of a team in the home office and abroad. Communicate effectively with other engineering disciplines. Committed to multi-centre project execution. Adhere to the companies WAY engineering standards and procedures as well as provide input to their development and enhancement. Skills / Experience:...

Civil & Structural Design Engineer, Harlow, Contract For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Role: Civil & Structural Design Engineer Location: Harlow Start Date: Spring 2026 Status: 6 months, Outside IR35 Workscope Addison Project Plc are...

Site Agent – Contract – Up to £425/day – Guildford Are you a hands-on Site Agent or Senior Site Agent with Tier 1 experience? Do you thrive on taking ownership of complex water treatment projects from day one? If you’re ready to make a real impact on an early-stage AMP 8 upgrade, this could be the perfect contract for you. This role is potentially outside IR35 (Subject to determination), offering a 12-month plus contract, working on a chemical dosing / water treatment upgrade. You’ll be joining a small but experienced team at the start of the project, giving you real influence over site delivery and performance. What’s on offer: Up to £425/day Immediate start, 12-month plus contract Work on a high-profile AMP 8 water treatment upgrade project Opportunity to join the project from the start and shape delivery Hands-on role with responsibility for Civil, Mechanical, and Electrical works The Role: You’ll manage day-to-day site operations, including programme, quality, health...

Water Hygiene Improvement Consultant – Basics * Role: Water Hygiene Improvement Consultant * Rate: £550 per day (Outside IR35) * Location: Essex * Contract Length: 12 months * Working Arrangements: Minimum 3 days per week onsite Water Hygiene Improvement Consultant – Overview * A highly skilled Water Hygiene Improvement Consultant is required to lead the development and delivery of a comprehensive water hygiene improvement programme across a mixed estate portfolio. * This role will take responsibility for statutory compliance, risk reduction and programme development within a complex Local Authority environment, ensuring robust management of water assets, contractor oversight and the effective implementation of legislation, standards and written schemes of control. Water Hygiene Improvement Consultant – Key Responsibilities * Act as the Responsible Person for ACOP L8 management and oversee all related compliance activity. * Author, review and maintain...

Senior Electrical Engineer - Infrastructure Projects AWE, Berkshire Hybrid - 2 days per fortnight on site £55-60/hour - Outside IR35 (pending determination) Security Clearance: SC required (DV eligibility essential) About the Opportunity We are currently recruiting for a Senior Electrical Engineer to support delivery across the One Team Framework on high-profile defence infrastructure projects. This is an excellent opportunity to work on technically complex, highly regulated programmes, contributing to the design and delivery of critical electrical infrastructure across a secure environment. You'll play a key role in ensuring safe, compliant, and high-quality engineering solutions within a collaborative, multi-discipline team. The Role As a Senior Electrical Engineer, you will lead the design and delivery of electrical infrastructure systems, with a focus on HV/LV power distribution, substations, and associated networks. You will take ownership of engineering outputs...