Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
10 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 42 Inside IR35 13 Outside IR35 10
Refine by Categories
Engineering 23 Construction 20 Information Technology 12 Management 2 Automotive 1 Education 1
Facilities 1 Finance 1 Marketing 1 Other 1
More
Refine by Job Type
Contractor 65
London mechanical engineer

65 mechanical engineer jobs found in London

CL
Apr 11, 2026  
Mechanical Engineer/Plumber
X1 Mechanical Engineer (Level 3 Plumbing/Mechanical) - N18 We are seeking a skilled Mechanical Engineer with Level 3 Plumbing/Mechanical experience to join the maintenance team. This is a fantastic opportunity for a reliable, hands-on engineer looking to expand their expertise across a busy and diverse site. The role is Monday to Friday, 7am-4pm, and once fully familiar with the site, you will also take part in the on-call rota. Key Responsibilities: Planned Preventative Maintenance (PPM) across a range of mechanical systems AHU maintenance and FCU servicing Calorifier inspections and routine checks TMV maintenance and compliance tasks Boiler inspections and general mechanical plant support Support with L8 compliance duties Drainage work, including unblocking toilets and waste pipes Locating and repairing leaks and minor plumbing faults Ensuring all work is completed safely and to a high standard Ideal Candidate: Level 3 qualified in a Plumbing/Mechanical discipline...
IR35 Status:
Unknown Status

CV-Library North London, London Contractor
CL
Apr 11, 2026  
Mechanical Engineer/Plumber
X1 Mechanical Engineer (Level 3 Plumbing/Mechanical) - N18 We are seeking a skilled Mechanical Engineer with Level 3 Plumbing/Mechanical experience to join the maintenance team. This is a fantastic opportunity for a reliable, hands-on engineer looking to expand their expertise across a busy and diverse site. The role is Monday to Friday, 7am-4pm, and once fully familiar with the site, you will also take part in the on-call rota. Key Responsibilities: Planned Preventative Maintenance (PPM) across a range of mechanical systems AHU maintenance and FCU servicing Calorifier inspections and routine checks TMV maintenance and compliance tasks Boiler inspections and general mechanical plant support Support with L8 compliance duties Drainage work, including unblocking toilets and waste pipes Locating and repairing leaks and minor plumbing faults Ensuring all work is completed safely and to a high standard Ideal Candidate: Level 3 qualified in a Plumbing/Mechanical discipline...
IR35 Status:
Unknown Status

CV-Library North London, London Contractor
CL
Apr 15, 2026  
Mechanical Engineer
Job Title: Mechanical Maintenance Engineer (Temp) Location: Central London Contract Length: 3 Months Rate: Negotiable (Dependent on Experience) The Role We are currently recruiting for an experienced Mechanical Maintenance Engineer to join a well-maintained office building in Central London on a 3-month temporary contract. Working on behalf of the landlord, you will be responsible for delivering both planned and reactive mechanical maintenance, ensuring all systems are operating efficiently and in line with compliance standards. Key Responsibilities * Carry out planned preventative maintenance (PPM) on mechanical systems * Attend and resolve reactive maintenance issues * Fault finding on mechanical plant and associated systems * Maintenance of HVAC systems, pumps, motors, valves, and pipework * Monitor plant performance and report any issues * Ensure all works are completed in line with health & safety regulations *...
IR35 Status:
Unknown Status

CV-Library EC2N, Cornhill, Greater London Contractor
CL
Apr 15, 2026  
Mechanical Engineer
Mechanical Engineer | Wembley, North West London Salary: Up to £42,000 oer year Location: Wembley (Excellent transport links) Are you a hands-on Mechanical Engineer looking for a stable, site-based role in the heart of London? We are looking for a skilled professional to join our facilities team in Paddington to maintain and optimize the mechanical systems of a premier commercial site. The Role You won't just be "fixing things"-you'll be the technical backbone of the building. You will be responsible for the planned preventative maintenance (PPM) and reactive repairs of all mechanical plant equipment. Key Responsibilities: Maintenance of HVAC systems, pumps, motors, and pressurized systems. Basic plumbing repairs and water treatment monitoring (L8). Diagnosing faults and implementing long-term technical solutions. Managing sub-contractors and ensuring health & safety compliance on-site. Maintaining accurate digital logs of all works completed What We're Looking For...
IR35 Status:
Unknown Status

CV-Library Wembley, London Contractor
CL
Mar 05, 2026  
Mechanical Project/Design Engineer
Mechanical Project/Design Engineer Opportunity – Leading Renewables Contractor - London MK Search are working with a market leading renewables and decarbonisation M&E contractor who are currently looking to recruit a Mechanical Project / Design Engineer to join their growing team. This is an excellent opportunity for an early-career engineer looking to develop their technical and project experience within a supportive and professional environment. The company in question have recently won a variety of new contracts across London. The Role Working alongside experienced engineers and project teams, you will assist with the design, coordination, and delivery of decarbonisation on leisure, commercial, education and residential projects. The role offers exposure to both project and design work, with opportunities to build hands-on experience across a range of mechanical systems. The Ideal Candidate We are keen to speak with candidates who have: * A degree or diploma in...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 11, 2026  
Principal Mechanical Water Design Engineer
Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Mar 26, 2026  
Mechanical Project Engineer
We are looking for an exceptional and very technically strong Mechanical Building Services Project Engineer with experience of working on large size multi-unit residential and mixed use residential/commercial developments. This is a long term contract position based in Central London, SE1. Our client is a specialist M&E Contractor. This role is with the established Mechanical arm of the business. The position reports to the Contract Director. You will be responsible for overseeing Mechanical Building Services Engineering on the Project. We are looking for a practically minded and technically strong Engineer who can liaise effectively with the consultant, client and on site teams, and maintain a calm and pragmatic approach to ensure the technical success of Mechanical Building Services Installation. This is an Engineer not a Project Manager role although is a comparable level within the company structure. We are looking for a Technical, site-based Mechanical Engineer who knows...
IR35 Status:
Unknown Status

CV-Library SE1, Chaucer, Greater London Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Technical Design Engineer
We are recruiting for a Technical Design Engineer (CAD Tooling) to work with our London based client on a 6-month rolling contract. Working within the Industrial Operations department, you will be part of the Industrialization team. As a Technical Design Engineer (CAD Tooling), you will be responsible for the definition and design of new tooling and equipment to simplify the assembly of Optical/Electrical products in production whilst maintaining quality and reliability. THE SUCCESSFUL APPLICANT * Engineering degree or equivalent (mechanical, industrial, production). * Experience working on Creo CAD package. * Ability to make reliability engineering judgements under pressure. * Experience in a technical and/or manufacturing environment. * Organised, disciplined & methodical approach to problem solving. * FMEA software experience and NPI experience (beneficial) * 3D print design experience (beneficial) JOB DESCRIPTION * Work closely with SED/R&D to ensure...
IR35 Status:
Unknown Status

CV-Library SE10, Peninsula, Greater London Contractor
CL
Apr 11, 2026  
Senior Electrical Engineer
About the Role Our client, a leading provider of mechanical, electrical, and telecommunication solutions for major infrastructure projects, is seeking a highly capable Senior Electrical Engineer to join their growing team. This role will provide technical leadership, design management, and installation support across complex infrastructure and rail projects. While projects are regionally focused in Gwynedd/Snowdonia and wider UK infrastructure schemes, the successful candidate may be based in London, with a requirement to attend the Central London office three days per week. This is an excellent opportunity for a senior-level engineer who enjoys taking ownership across the full project lifecycle - from concept design through installation and project completion. Key Responsibilities Project Lifecycle Delivery Lead electrical engineering activities from concept and detailed design through to installation, commissioning, and handover. Oversee electrical installations, ensuring...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Mar 14, 2026  
Mechanical Project Manager
Mechanical Project Manager About the Role We are seeking an experienced Mechanical Project Manager to take full responsibility for delivering mechanical building services packages on a long-term commercial CAT A & CAT B fit out programme. This role will focus specifically on managing mechanical works from pre-construction through to commissioning and final handover across multiple project phases. You will play a key role in ensuring all mechanical services are delivered safely, on programme, within budget, and to the highest quality standards. This is an excellent opportunity to join a stable contractor with secured ongoing works and a strong project pipeline. Mechanical Project Manager Key Responsibilities * Manage the full mechanical package from design coordination through to commissioning and handover * Plan, programme, and oversee site activities to meet phased project milestones * Coordinate with main contractors, consultants, subcontractors, and...
IR35 Status:
Unknown Status

CV-Library Wandsworth, Greater London Contractor
CL
Apr 15, 2026  
Digital Delivery Engineer
Digital Delivery Engineer | 6 Months | 2-3x per week in London We're looking for a Digital Delivery Specialist to support the delivery of structural engineering projects through BIM and digital workflows. This role will focus on model coordination, digital delivery execution, and improving project efficiency across multidisciplinary teams. You'll be working closely with engineers, designers, and project teams to ensure high-quality digital deliverables and seamless collaboration throughout the project lifecycle. Key Responsibilities Support BIM coordination and digital delivery aligned with ISO 19650 standards Assist in developing and delivering digital project scopes, schedules, and workflows Produce and review structural BIM models and digital deliverables Conduct clash detection and model coordination using tools such as Navisworks and Tekla Perform QA/QC checks on models and digital outputs Identify and implement improvements in digital delivery processes Collaborate with...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 12, 2026  
Senior Ruby Developer
Contract Lead Ruby Developer– (UK Remote) 📍 100% Remote (EU-Based Candidates Only) ⏳ 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud‑based core platform. They are looking for an experienced Senior Ruby Engineer to join on a 12‑month contract, working fully remotely from anywhere within the UK. 🔧 Role Overview You’ll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands‑on development role where you’ll contribute to new features, performance improvements, integrations, and architectural evolution within a high‑performing engineering culture. 💡 What You’ll Be Working On Developing and maintaining backend services using Ruby / Ruby on Rails Building scalable, maintainable components within a cloud-native architecture Collaborating with product, cloud, and DevOps teams to deliver high‑impact...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 12, 2026  
Data Engineer - NHS Foundry - Contract
Data Engineer – NHS Foundry Contract | £400 per day | Hybrid (UK-based) Morela is supporting one of the UK’s fastest-growing data consultancies, delivering high-impact transformation projects across the public sector. We are looking for a Data Engineer with NHS Foundry experience to join on a contract basis, working on cutting-edge data solutions within complex healthcare environments. The Role Design and build scalable data pipelines and solutions Work with Palantir Foundry (NHS Foundry) across integration, modelling, and transformation Collaborate with stakeholders to solve real-world healthcare challenges Deliver insights that improve operational performance and decision-making What We’re Looking For Proven experience with NHS Foundry / Palantir Foundry Strong data engineering and architecture background Experience working with complex, multi-source data environments Ability to engage with both technical and non-technical stakeholders Why Apply? £450 per day...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 12, 2026  
Data Engineer (Azure)
Your new company Working for a renowned financial services organisation Your new role Seeking a Data Engineer to help design and maintain scalable batch and near‑real‑time ingestion pipelines, modernizing legacy ETL/ELT processes into Azure and Snowflake, and implementing best‑practice patterns such as CDC, incremental loading, schema evolution, and automated ingestion frameworks. They build cloud‑native solutions using Azure Data Factory/Synapse, Databricks/Spark, ADLS Gen2, and Snowflake capabilities including stages, file formats, COPY INTO, and Streams/Tasks to support raw‑to‑curated data modelling. The role involves creating reusable components and Python libraries to accelerate delivery across teams, enforcing data quality through validation, observability, and robust pipeline design, and ensuring strong security, governance, and documentation standards. Collaboration within agile workflows-including CI/CD, code reviews, and iterative planning-is also key to delivering...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 12, 2026  
Database Engineer (Oracle, PostgreSQL)
Your new company Working for a renowned financial services organisation. Your new role The Database Engineer is responsible for designing, building, optimizing, and maintaining database systems that are secure, reliable, and scalable. This role involves supporting and mentoring the operational database team by promoting best practices, driving automation, and introducing innovative technologies and approaches. The engineer will take ownership of operational requirements and ensure that any changes to standards and processes are implemented consistently across the organization. Beyond hands-on technical responsibilities, the position requires active participation in project meetings, planning sessions, and related activities under the guidance of project managers. Developing expertise in containerized database technologies, if not already acquired, will be essential for success in this role. What you'll need to succeed Oracle accredited certification or equivalent hands‑on...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 12, 2026  
Contract Senior Civil Infrastructure Engineer
Contract Senior Civil Infrastructure Engineer - Drainage Design London Immediate Start Hybrid working offered 6 month assignment c£45-48 p/h Ltd Outside IR35 Contract Senior Civil Infrastructure Engineer (Drainage Design) We are working with a well-established Civil/Structural Engineering Consultancy in London who are looking to hire a Contract Senior Civil Infrastructure Engineer for a 6 month contract. Our client is a top 10 London consultancy who have built their reputation on working on interesting, challenging and complex projects. They have worked on a number of well known major buildings across the UK along with designing all the associated roads, drainage and infrastructure that accompany these buildings. Your role will be to produce technical drainage design schemes for a variety of major infrastructure projects across London using Microdraiange. Any previous Civil 3D experience would be advantageous. Immediate start for the right person. Rates of between £45-48...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 11, 2026  
Lead Network TDA x 3
Role: Lead Network TDA x 3 Location: Remote UK Duration: 6 Months Day rate: £500 - £560 Inside IR35 Active SC Clearance required Key responsibilities: You will be responsible for the technical delivery of transformational network projects on one or more of client's large public sector accounts in the UK You will help our customer align their Network strategy to their business strategy using a common methodology You will be working with our Practice managers and Technical leads to design and deliver seamless network solutions to our customers Creating standardized or customized network designs in a range of areas and work on specific platform designs and/or customer solutions Carrying out pre-sales activities, planning and implementations across a wider range of ICT Infrastructure elements (security, wan optimization, load balancing etc.) Collaboratively work with other designers and engineers to resolve design and implementation issues and provide technical consultancy for...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 11, 2026  
Data Engineer
Data Engineer (Pharma Background Essential) £550 per day - INSIDE IR35 6 Months Hybrid - 1 day per week in London Role Purpose We are currently looking for a Data Engineer to be responsible for designing, building and maintaining our clients data pipelines and platform infrastructure on Microsoft Fabric. Operating within a consulting model, this role deploys across engagements of varying scope and duration, delivering production-grade data solutions that meet client requirements. Required Skills and Experience Expereince of working within the pharma/lifesciences sector. Demonstrable experience building data pipelines in production environments. Proficiency with Microsoft Fabric, including Data Factory, lakehouses, warehouses, notebooks and semantic models. Strong skills in PySpark, Spark SQL and T-SQL for data transformation. Experience with medallion architecture or equivalent layered data processing patterns. Working knowledge of OneLake, delta tables and Fabric capacity...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 10, 2026  
Mechanical QA Supervisor
Mechanical QA Supervisor/Manager West London Contract 1st Step Solutions are currently recruiting for an experienced Mechanical QA Supervisor/Manager to be based on a commercial project in West London. Quality Control Duties: - Inspect completed work to ensure quality and adherence to design. - Complete QA documentation including mark ups, snag sheets and installation checklists. Compile with sub-contractors QA and issue to main contractor for inspection. - Ensure close out of any client and consultant snags in a timely manner. - Maintain accurate records of work progress, inspections, and testing activities. - Prepare reports on MEP performance, issues, and corrective actions. - Support commissioning, testing, and handover documentation. Supervision Duties: - Supervise and coordinate all Mechanical and Plumbing works on-site. - Review MEP drawings, specifications, and method statements to ensure accuracy and feasibility. - Monitor installation and commissioning activities to...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software