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Contractor 64
Outside IR35 London engineering

64 engineering jobs found in London

CL
Sep 08, 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
Sep 09, 2026  
AWS Security & Cloud Architect
AWS Security & Cloud Architect London 6 month contract+ Up to £450pd OUTSIDE IR35 We are seeking an experienced AWS Security & Cloud Platform Consultant to lead the technical execution of a large-scale Defensive AI and Bot Mitigation Proof of Value for a high-volume enterprise digital platform. The consultant will design, build, and deploy cloud-native security controls, observability solutions, traffic analytics, automation frameworks, and AI-assisted operational capabilities using AWS services and Infrastructure as Code. The role requires deep expertise in AWS networking, CloudFront, WAF, security automation, observability, large-scale log analytics, and cloud-native delivery practices. Required Skills AWS Expertise * AWS WAF * Amazon CloudFront * AWS Shield Advanced * Amazon Athena * Amazon S3 * Amazon CloudWatch * Amazon Kinesis Firehose * AWS Lambda * API Security * Cost Optimisation Cloud Engineering * AWS CDK *...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 09, 2026  
Freelance Architects & Technologists
Job Title: Freelance Architectural Specialist (Architect or Architectural Technologist) Location: Hybrid / Remote (UK-based) Engagement Type: Freelance / Contract (Inside/Outside IR35 dependant on project) Duration: Ongoing contract / Project-based Role Overview We are seeking an experienced Freelance Architect or Architectural Technologist with strong proficiency in Revit and/or AutoCAD to support our client studios on upcoming project deliverables. You will plug directly into design teams to assist with production packages, technical detailing, and planning submissions across various project stages. Key Responsibilities Produce accurate 2D CAD drawings and 3D Revit models across RIBA Stages 2-5. Deliver technical detailing, construction drawing packages, and specifications. Coordinate with structural, MEP, and external engineering consultants to resolve design clashes. Assist with planning applications, building regulations submissions, and tender packages. Ensure all...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 08, 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
Sep 08, 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
Sep 08, 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
Sep 08, 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
Sep 08, 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
Sep 06, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Contract: 6 Months | Outside IR35 Working: Monday–Friday | 3 Days Office-Based Sector: Rail, Utilities & Airports Employer: Principal Contractor The Role: We are looking for an experienced Mechanical Design Engineer to join a Principal Contractor delivering major infrastructure projects across the Rail, Utilities and Airport sectors. The role will focus on delivering detailed mechanical building services designs, with a strong emphasis on HVAC systems. You will work as part of a multidisciplinary design team, supporting projects from detailed design through to construction. Key Responsibilities: * Deliver detailed mechanical and HVAC designs. * Produce drawings, layouts, specifications and technical documentation. * Carry out design calculations and equipment sizing. * Coordinate designs with multidisciplinary teams. * Ensure designs meet relevant standards and client requirements. * Resolve technical queries and support design...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 06, 2026  
Project Engineer / APM (Rail Comms)
Project Engineer / Assistant Project Manager (APM) - Rail Communications London & South East (Office & Site Based) £Negotiable Contract | Outside IR35 We are looking for a Project Engineer / Assistant Project Manager to support the delivery of rail communications projects across London and the South East. Working on projects for Network Rail, TfL and other infrastructure clients, you'll assist with the day-to-day management and engineering delivery of CCTV, Public Address (PA) and Access Control installations from planning through to commissioning and handover. This is an excellent opportunity for someone looking to move into a project management career, gaining exposure to major rail communications infrastructure programmes while working alongside experienced Project Managers. Requirements Background in delivering installation and Commissioning projects for CCTV, PA, Access Control or Rail Communications systems Experience within Network Rail, TfL, London...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 06, 2026  
SR163 Site Manager X2
Rubicon Consulting is currently recruiting for a SR163 Site Manager x2 on a 6 month rolling contract, located London. Role Summary * Manage day-to-day site operations for 400kV substation works, ensuring delivery against programme, quality, and safety targets * Act as the primary client-facing point of contact on site, representing the project professionally to National Grid and other stakeholders * Oversee full self-delivery teams and resources, ensuring works are executed in line with National Grid standards and specifications * Ensure compliance with all relevant health, safety, and environmental requirements throughout the project lifecycle * Coordinate and manage subcontractors, suppliers, and site personnel as required * Monitor and report on progress, risks, and issues to senior management and client stakeholders * Ensure all site activities comply with National Grid's technical, quality, and regulatory standards * Support and enforce site...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 06, 2026  
Backend Developer (Azure)
Backend Developer (Azure) — 3 Month Remote Contract Outside IR35 Rate: £420–£475 per day We’re looking for an experienced Azure Backend Developer to join a digital healthcare platform team on an initial 3-month contract, outside IR35. This is a hands-on role working on a mature Azure-based backend platform, with responsibility across the full software lifecycle - from design and development through to testing, deployment and production support. You’ll be working with C#, .NET, Azure Functions, Azure SQL, Azure Service Bus, Azure API Management and Azure DevOps, contributing to a platform that supports connected patient services. This role is particularly suited to a developer who can hit the ground running, work independently and own technical delivery end-to-end without requiring day-to-day technical supervision. What You’ll Be Doing Develop and deliver backend services using C#, .NET 6+ and Azure Functions. Build and maintain data access, orchestration and notification...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 05, 2026  
M&E Asset Surveyor / Building Services Engineer
TSA Surveying have recently been instructed to recruit several M&E asset surveyors to commence a large European survey programme comprising of several commercial sites. The survey programme is due to start imminently and will run for an estimated 5 weeks, comprised of various sites in France. We are looking to build a team of around 6-8 M&E qualified individuals in total. We are looking for qualified M&E Asset Surveyors, or an individual with a prior background within MEP services, either for an FM provider, consultancy, or direct for a building owner, to carry out a room-by-room condition survey, including verification and lifecycle. All data will be collected on a tablet device utilising asset capture software. Candidates must hold a valid passport and be willing to drive throughout Europe. The role is outside of IR35. If you would be interested, please apply ASAP, as we are currently constructing a shortlist for this role
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 05, 2026  
Planning Manager
Planning Manager - Major Infrastructure Rate: £450 per day Umbrella Location: London Contract: 6 month contract We are seeking an experienced Planning Manager to support a major infrastructure project, providing leadership and technical expertise across the planning function. Key Responsibilities Manage complex project and programme schedules across multiple contractors. Develop, update and monitor client programmes and critical paths. Identify schedule risks and issues, providing mitigation and recovery plans. Produce programme progress, performance and summary reports for senior stakeholders. Review contractor programmes, compensation events and schedule-related commercial matters. Lead planning workshops and agree progress reporting with contractors. Provide guidance and supervision to project planners. Improve planning processes, methodologies and reporting standards. Essential Experience Strong experience in project/programme planning within major infrastructure...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 05, 2026  
Smart Contract Developer
Role Overview We are seeking an experienced Smart Contract Developer to support a major Core Banking transformation using Thought Machine Vault Core. The role focuses on designing, developing and maintaining Lending and Savings products using Vault Smart Contracts. You will translate complex business requirements into robust, testable product logic and work closely with Product Managers, Business Analysts, Architects, QA and engineering teams. Key Responsibilities Develop and maintain Vault Smart Contracts for Lending and Savings products. Translate business requirements into scalable, maintainable product logic. Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events. Support product migration from legacy systems to Vault. Collaborate with Product, Business Analysis, Architecture and Engineering teams. Develop automated tests covering business rules, edge cases and regression scenarios. Participate in code reviews and technical design...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 04, 2026  
Fire Alarm & Emergency Lighting Engineer (Subcontract) – London
Fire Alarm & Emergency Lighting Engineer (Subcontract) – London £270–£290 per Day Outside IR35 Weekly Pay Every Friday 3-Month Rolling Contract Monday to Friday Long-Term Work Available Immediate Start AvailableWe are currently seeking experienced Fire Alarm & Emergency Lighting Engineers to support a busy service and testing contract across London. This is an excellent opportunity for engineers looking for consistent subcontract work, with the contract operating on an initial 3-month rolling basis and the potential for ongoing extensions. The role will primarily involve fire alarm testing, emergency lighting testing, planned maintenance and identifying faults/remedial works across a portfolio of sites throughout London. Scope of Work The successful engineers will be responsible for: Carrying out routine fire alarm testing and inspections Emergency lighting testing and maintenance Planned preventative maintenance (PPM) Identifying faults and required remedial works...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 04, 2026  
Boomi Architect
Boomi Architect London (Remote) 3 Month Rolling Contract £500/day (Outside IR35) Boomi Architect needed for a 3 Month Rolling Contract based in London (Hybrid). Start ASAP in August/September 2026. Primarily working remotely from home with occasional travel to offices in London and Telford. A chance to work with a leading global IT transformation on a large-scale Government project. Paying up to £500/day (Outside IR35). Start ASAP during Summer 2026. Key skills, experience + tasks will include: Boomi Solution Architect with a strong focus on Boomi / iPaaS, API Management, Event Streaming, integration architecture, governance + technical leadership. Integration Adoption & Project Onboarding - architecture engagement + onboarding of priority projects onto the strategic integration platform (e.g. SDEC, S4H, DWIT). Production of project-specific integration designs aligned to approved iPaaS, API and Streaming patterns. Completion of architecture assurance reviews and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 03, 2026  
Planning Manager
Planning Manager - Major Infrastructure Project Location: London - Hybrid (minimum 2 days per week on site) Rate: £525 per day Contract: Initial 12 month contract, with ASAP start The Role We are currently recruiting for an experienced Planning Manager to support a major infrastructure programme in London. The successful candidate will provide planning leadership across a complex, multi-contractor environment, acting as a key point of contact for project teams and contractors. You will be responsible for maintaining and managing integrated programmes, identifying emerging risks and providing clear schedule intelligence to support successful project delivery. This is an opportunity for a proactive planning professional who can act as a trusted advisor to Project and Programme Managers, rather than simply maintaining schedules. Key Responsibilities Manage and maintain complex project and programme schedules across multiple contractors and suppliers. Integrate contractor...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 03, 2026  
Project Quality Manager – Carbon Capture
Project Quality Manager – Carbon Capture Job title: Project Quality Manager Project: Offshore Onshore Construction/Carbon Capture Location: South West London office Working arrangement: Minimum 3 days per week in the office Rate: £600 - £800 per day - Negotiable depending on exp. IR35: Outside IR35 Contract: 12-18 months expected Start date: ASAP We are recruiting a Project Quality Manager for a major international engineering and construction contractor delivering on a major Carbon Capture (Oil & Gas/Net Zero) Construction Project which is entering the execution phase. The Project Quality Manager will plan and implement the Project Quality Management System and ensure the effective delivery of all Quality Control activities. You will act as the focal point for quality-related matters across the project and with external organisations, reporting to the QHSE Manager and Project Director or Project Manager. Responsibilities * Prepare and distribute the required Project Quality...
IR35 Status:
Outside IR35

CV-Library South West London, Greater London Contractor
CL
Sep 03, 2026  
Back End Developer - DV Cleared
Back End Developer £500-£540 per day | Outside IR35 Java | Spring Boot | Secure Microservices LocationLondon (MOD site) Working Pattern4 days per week onsite ClearanceCurrent DV Security Clearance required BackgroundMOD / Defence experience required The Opportunity We're looking for an experienced Back End Developer to help build the core services behind a next-generation Defence Intelligence platform. You'll develop secure, scalable microservices and APIs that support mission-critical operational workflows, working within a highly secure environment alongside multidisciplinary engineering teams. This is an excellent opportunity to contribute to the delivery of innovative digital capabilities supporting Defence operations. About the Programme This programme is delivering an AI-enabled Defence Intelligence capability designed to improve visibility of operational data, streamline complex workflows and support faster, more informed decision-making. Working as part of an agile...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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