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Contractor 40
Engineering Outside IR35 Rainham

40 jobs found in Rainham

CL
Apr 30, 2026  
Solution Architect
Role: Solution Architect - PLM & Enterprise Systems Rate: £650 per day (Outside IR35) Duration: (12-Month Contract) with a possibility of extension Location: Dartford, Kent (3 days per week on-site) The Opportunity "Work for a global leader in world-class engineering and construction, renowned for delivering some of the UK's most iconic infrastructure and complex high-tech manufacturing projects." We are seeking a high-caliber Solution Architect to lead the architectural vision across our clients Product Lifecycle Management (PLM) and non-SAP enterprise landscape. This is a critical role in a complex, multi-system environment where you will bridge the gap between engineering, HR, and manufacturing operations. You will be the technical authority ensuring that our clients specialist platforms are seamlessly integrated, scalable, and aligned with their broader digital transformation goals. Experience & Requirements PLM Expertise: Proven track record in PLM...
IR35 Status:
Outside IR35

CV-Library Dartford, Kent Contractor
CL
May 01, 2026  
Electrical Supervisor
NES Fircroft are currently recruiting an Electrical & Instrumentation Supervisor for an new state-of-the-art cement facility project in Tilbury, Essex. This is an outside IR35 contract available to limited companies. 55hrs per week, 11hr days Mon-Fri. Approx 6 months work until end of Oct. Accommodation and expenses covered by client.  Role and Responsibilities:  Responsible for implementation of Company and Project HSE Policy and the execution of Principal Contractor duties in accordance with CDM Regulations. Implementation of Company and Project Quality Plans and Procedures. Monitoring and progressing the works against the Contract Project Programme Progress control of all discipline project contractors Resolution of discipline general site engineering matters Liaising with client and contractors regards to all construction services. Holding all relevant project specifications Interface and liaison with project engineering disciplines Co-ordinating of discipline...
IR35 Status:
Outside IR35

CV-Library Tilbury, UK Contractor
CL
Apr 25, 2026  
Quantity Surveyor
Are you a Rail Quantity Surveyor with experience working on High Speed projects?   Do you have experience working on NEC4 contracts?   This is an excellent opportunity for a Quantity Surveyor to join a rail contractor on the delivery of high speed projects. The ideal candidate will have experience managing the fully life cycle of projects within a framework.   Rate: £400/day, Outside IR35 Location: Sidcup, potential hybrid working Duration: 6 month, rolling contract   Due to growth, my client is looking to add a Quantity Surveyor to their team to manage the commercial aspects of an exclusive 8-year framework as the sole supplier for all building and renewals work on High Speed 1. This is a massive opportunity to join a dedicated team at the very beginning of a landmark project.   Unlike typical maintenance roles, this position is heavily focused on projects, giving you the chance to manage the full life cycle of schemes valued in the millions. You won't be a small cog...
IR35 Status:
Outside IR35

CV-Library New Eltham, London, UK Contractor
CL
May 02, 2026  
Senior Civil Engineer
A well-established, design-led civil engineering consultancy is looking to appoint an experienced Contract Senior Civil Engineer on a long-term, Outside IR35 basis. This is a fully remote role with a strong pipeline of secured work across commercial, industrial and data centre developments. The Role You’ll take ownership of infrastructure packages from concept through detailed design, with a particular focus on: Detailed levels strategy Surface & foul drainage design Drainage slope design and optimisation External works coordination Technical delivery for planning and construction stages Projects include large commercial schemes, industrial developments and major data centre infrastructure. Software MicroDrainage (essential) What We’re Looking For Proven UK development infrastructure experience Strong background in commercial / industrial schemes Confident working autonomously in a remote environment Able to deliver technically sound, buildable drainage and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Electrical Commissioning Manager
I am looking for an experienced Electrical Commissioning Manager to join my client, a well-established Commissioning Consultancy who are looking to bring someone new into the team. This is an ongoing freelance role where you will be assessed for outside of IR35. The selected candidates will come from either a rail, infrastructure, commerical or residential background but have the right attitude to help build a business around them whilst working on both exciting and challenging projects. I am looking for someone who has worked in this capacity for a long time and keen to manage a large project with a tier 1 contractor as the client. Roles and responsibilities: Develop and manage the Commissioning Plan and testing scripts to ensure they align with the project's specific technical requirements and the contractor's master schedule. Witness and formally sign off on all Factory and Site Acceptance Testing (FAT/SAT) for critical infrastructure equipment like HV/LV switchgear and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Project Engineer Consultant - Pharma
Title: Project Engineering Consultant 🔴 Position Type: Contract OTS (Outside IR35) 🔴 Location: London 🔴 Categories: Project Management, Engineering PM Group requires a project engineering consultant with experience of biopharmaceutical projects to lead a client team in London. Responsibilities · Ensuring that equipment upgrades are delivered on time and within budget. · Delivering capital investment projects in accordance to portfolio schedules and budgets. · Working alongside existing client engineers, managers, and directors. · Leading the multidisciplinary project team through all stages of the projects from concept to construction and handover. · Managing risk and change, securing additional budget as required. · Working alongside third party contractors and offering input into process design and installation. · Ensuring the delivery of projects in a way that is compliant with EU and UK health and safety regulations, as well as client procedures and protocols. · Reporting...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 29, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer (Building Drainage / Part H) 📍 London | Hybrid / Flexible 💰 £45–£55 per hour (Outside IR35) 📅 12-Month Contract A leading, design-led engineering consultancy, is looking to appoint an experienced Senior Civil Engineer on a long-term contract basis. This is a fantastic opportunity to work on a diverse portfolio of high-quality building-led projects across residential, commercial, and mixed-use developments. The Role You’ll play a key role in delivering building drainage and infrastructure design, working closely with structural teams, architects, and external stakeholders. Your focus will be on ensuring designs are fully compliant with Building Regulations Part H, from concept through to construction. Key Responsibilities Design of building drainage systems (foul & surface water) Ensure compliance with Part H Building Regulations Production of drainage strategies and detailed design packages Coordination with architects and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 29, 2026  
Mechanical Engineer
Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: Mostly remote (occasional travel to London) Contract Rate: £45-£53 per hour outside IR35 or Permanent Salary: £50-£60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry standards,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 29, 2026  
Senior Quantity Surveyor
Job Title: Senior Quantity Surveyor (Freelance) Location: Central London & Stansted Airport Contract Type: Freelance Contract (Outside IR35) Rate: £400.00 – £450.00 per day Company Overview We are recruiting for experienced Senior Quantity Surveyors to support the delivery of works within an Asset Intelligence team for a leading Tier 1 contractor. These roles sit across two key projects within high-profile environments, offering exposure to complex M&E, security, and infrastructure-related works. This is an excellent opportunity to join a well-established team delivering critical upgrade and maintenance projects across major UK assets. The Role As a Senior Quantity Surveyor, you will play a key role in the commercial management of projects across two locations: Central London and Stansted Airport. This is a hands-on role requiring strong NEC contract knowledge and the ability to operate within a Tier 1 environment. You will be responsible for managing commercial...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 26, 2026  
BMS Commissioning Engineer - Trend OR Tridium
Ready for your next BMS contract? If you're a skilled BMS Commissioning Engineer with strong Trend or Tridium experience, I'm working with a well-respected industry leader on a range of exciting commercial upgrade and installation projects across London. This is a fantastic opportunity to get stuck into varied, technically engaging work with a company that values expertise and delivers high-quality projects. Role: BMS Commissioning Engineer 6-Month Contract (potential to extend) Variety of new installs and upgrade projects Outside IR35 Daily rate: £350 - £400 per day DOE Central London You'll be involved in: Full BMS commissioning across multiple sites Main Plant Commissioning to DesOps Secondary Commissioning High-level integration (BACnet & Modbus) Metering, point-to-point and point-to-graphic Functional testing and software modifications Client Witnessing Working with Trend (IQ4/5's) or Tridium (iSMA/JACE) What we're looking for: Proven BMS commissioning...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 26, 2026  
BMS Commissioning Engineer - EcoStruxure/Struxureware
Ready for your next BMS contract? If you're an experienced BMS Commissioning Engineer looking for your next exciting role, I've got a fantastic opportunity based in the heart of London. This is a long-term project with a forward-thinking client, offering interesting, varied work and the chance to make a real impact. Role: BMS Commissioning Engineer 📅 12-Month Contract (with strong potential to extend) 💼 Outside IR35 💷 Daily rate: DOE 📍 Central London You'll be involved in: Hands-on BMS commissioning across high-profile projects Integration work via BACnet & Modbus New installations from start to finish Point-to-Point / Point-to-Graphic Software modifications and metering Functional testing Working extensively with Schneider EcoStruxure What we're looking for: Strong commissioning background within BMS Proven Schneider EcoStruxure experience Confident in delivering quality work independently and as part of a team Experience Commissioning Main Plant (FCU's,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 26, 2026  
BMS Service Engineer - Trend OR Tridium
Are you looking for your next BMS Service contract? I'm currently partnering with a growing, medium-sized controls specialist in London who are looking for an experienced BMS Service Engineer to join them on a new contract. This role will give you a varied workload - from planned maintenance (PPM) to small works commissioning - all within the London area. Role: BMS Service Engineer 📅 6-Month Contract (with extension potential) 🚀 Immediate start available 💼 Outside IR35 💷 Daily Rate: DOE 📍 Based in London What you'll be doing: Planned Preventative Maintenance (PPM) on BMS systems Fault finding, diagnostics, and remedials Carrying out upgrades and small works commissioning Working with Trend and/or Tridium systems Ensuring systems are optimised and operating efficiently What we're looking for: Proven BMS service/maintenance background Strong fault-finding and problem-solving skills Hands-on commissioning experience for small works Trend and/or Tridium expertise If...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Civil Design Engineer
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...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Senior Civil Engineer
CONTRACT SENIOR CIVIL ENGINEER – LONDON 🚧 📍 London (Hybrid Working) 💷 £40–£48 per hour – Outside IR35 📅 Long-term contract opportunity We’re working with a well-established civil engineering consultancy that is looking to bring in an experienced Senior Civil Engineer to support a strong pipeline of residential and commercial development projects. This is a great opportunity for someone who enjoys hands-on design work and wants flexibility with hybrid working. 🔧 The Role You’ll be involved in delivering infrastructure and drainage design across a range of development schemes, including: • Flood Risk Assessments • Drainage Schemes • SuDS Strategies You’ll play a key role in supporting project delivery from early feasibility through to detailed design and approvals. 💻 Software The team currently uses: • Civils 3D • Site 3D • InfoDrainage Experience in these is preferred, but not essential — strong drainage/infrastructure design experience is the priority. ✅ What...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Engineer (OUTSIDE IR35) Central London c£45 p/h 12 months Immediate Start Contract Senior Structural Engineer **OUTSIDE IR35** A major engineering consultancy in Central London is currently looking to recruit a Senior Structural Engineer for a minimum of 12 months. Our client is a leading London consultancy who have an excellent market presence. The successful Structural Engineer will be given the opportunity to work on major Healthcare refurbishment project. Previous large scale buildings design experienced would be advantageous. Ideally our client is looking for someone with strong refurbishment knowledge and good working knowledge of Masterseries software package. Steel work experience will also be looked upon favourably. Hybrid working can be offered. The ideal applicant will have an excellent track record as a structural engineer and ideally have a minimum of 10 years design experience. On offer is an immediate start with excellent...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 14, 2026  
Mechanical Estimator
My client requires a Mechanical Estimator to work a mix from home and the clients offices in Central London on a long term contract basis. Paying between £(Apply online only) a shift + Outside IR35 + Working from Home and client office in Central London. You will need 5 years experience as an Mechanical Estimator with a proven track record of tendering on commercial projects. As an experienced Mechanical Estimator you will be conversant on Amtech or Trimble software and have the ability to produce accurate tenders. You will need to be Mechanically biased or qualified, ideally to HNC/HND level and have a minimum of 5 years’ experience in a similar position and be comfortable producing tenders with values ranging from £1mill - £3 million In return you can expect to work for a financially stable company who can provide real, long term stability and supportive work colleagues. Starting salary £(Apply online only) a day + Outside IR35 + working a mix from Home and the clients offices....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 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
Feb 14, 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
Feb 14, 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
Feb 14, 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
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