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Outside IR35 senior process engineer

16 senior process engineer jobs found

CL
Mar 21, 2026  
Senior Process Engineer
Senior Process Engineer- Addison Project, Daresbury 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: Senior Process Engineer (Contract – Outside IR35) Location: Daresbury Contract: 12 months Start Date: Spring 2026 Workscope Addison Project Plc...
IR35 Status:
Outside IR35

CV-Library Daresbury, Borough of Halton Contractor
CL
Mar 21, 2026  
Senior Process Engineer
Senior Process Engineer (Client side) – Contract – Ireland (Cork) Location: Ireland (Cork) This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. The role will be site based, working client side as part of the projects team, focusing on project deliverables. This role is deemed to be outside IR35. Role & Responsibilities * Acting as an integrated part of the end Client team, executing Process Engineering activities and maintain technical integrity. * Predominantly supporting the development of CAPEX and OPEX projects, including supporting shut downs and closing out PHA actions. * Develop the scope of work / basis of design for studies and projects. * Undertake and checking of process calculations. * Preparation and checking of process deliverables – PFDs, P&IDs, datasheets, specifications, process descriptions,...
IR35 Status:
Outside IR35

CV-Library Ireland Contractor
CL
Mar 21, 2026  
Senior Civil Engineer
Location: London (2-3 days in office) Contract Type: Long-term contract (Outside IR35) Hours: 40 per week Equipment: To be supplied by company   About the Role: We are currently seeking a talented Civil Engineer or Senior Civil Engineer to join a well-established consultancy based in London. The role involves working on a variety of development infrastructure projects, including drainage strategies and flood risk assessments. The successful candidate will have strong experience using Civil 3D and Infodrainage software, and will play a key role in delivering complex infrastructure solutions for both public and private sector clients.   Key Responsibilities:   ·Design and manage infrastructure projects for residential, commercial, and mixed-use developments. ·Prepare drainage strategies, flood risk assessments, and other associated reports. ·Utilise Civil 3D and Infodrainage to model and design drainage systems. ·Collaborate with multi-disciplinary teams, including...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Mar 22, 2026  
Systems Engineer (Bids)
Systems Engineer (Bids) Location: 4 days onsite per week in Brighton Duration: Initial 6 months Rate: Flexible - Outside IR35 We are seeking a Systems Engineer contractor with strong experience supporting defence bids and proposals. This role is focused on the front-end bid phase of programmes and is not a traditional delivery Systems Engineering position. You will work within a technically led organisation, supporting the development of competitive, compliant defence bids by coordinating technical inputs and shaping system-level responses to formal RFPs. The Role As a bid-focused Systems Engineer, you will: Support the end-to-end defence bid lifecycle, from RFP release through to submission Analyse customer requirements and develop system-level technical responses Coordinate and consolidate inputs from engineering SMEs across the business Ensure bid responses are technically coherent, compliant, and traceable Support bid gate reviews, technical governance, and internal...
IR35 Status:
Outside IR35

CV-Library Brighton, East Sussex Contractor
CL
Mar 22, 2026  
Civil & Structural Design Engineer
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...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Mar 21, 2026  
Lead Piping Engineer
Job Title: Lead Piping Engineer Location: Manchester/Risley (2–3 days/week site travel) Sector: Nuclear / Utilities Infrastructure Scope: Outside IR35 Role Purpose Our client is a leading UK engineering and construction organisation delivering complex infrastructure programmes across highly regulated sectors. With a strong track record in nuclear, utilities and major capital projects, they are known for providing end-to-end delivery from design through to commissioning.  The Lead Piping Engineer will lead piping design and engineering delivery across the programme, ensuring designs are safe, compliant, on time and within budget. You will manage internal and external design teams and provide technical assurance aligned to nuclear licensed site requirements. Key Responsibilities Lead and manage piping design teams and external designers Ensure compliance with the Design Management Plan and applicable standards Provide technical assurance of piping deliverables Drive...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Mar 21, 2026  
Senior Mechanical Engineer (Client side, Ireland)
Senior Mechanical Engineer (Client side) – Contract – Ireland (Cork) Location: Ireland (Cork) This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. This is a Client side role and will be based on site at a large operational energy facility. This role is deemed to be outside IR35. Role & Responsibilities * Acting as an integrated part of the end Client team, executing Piping/Mechanical Engineering activities and maintain technical integrity. * Supporting the development of Mechanical and Piping layout for a range of major energy projects at different stages including concept, pre-FEED, FEED and EPC / PMC. * Reviewing and approving Piping/Mechanical deliverables such isometrics, GA’s, stress analysis. * Development of Mechanical Equipment Specification and Datasheets. * CAESAR Stress Analysis experience, or strong knowledge of Stress...
IR35 Status:
Outside IR35

CV-Library Ireland Contractor
CL
Mar 21, 2026  
Clean Water Site Manager
Clean Water Site Manager- Devon (Chardstock) Chargestock, Devon Westcombes, Chardstock, Axminster EX13 7BJ Starting 2nd March 6 months + (5-year framework contract) £350-£375 per day CIS or Limited Company, Outside IR35 Looking for an experienced Site Manager for water mains works. Works include: * Butt Fusion welding or Electro Fusion * Water mains * Moling & directional drilling * Hydrants & pressure valves * Excavations * Footways, footpaths & some arable land You will be responsible for a Site Supervisor and a 3 or 4 of gangs of men. You will ensure method statements and risk assessments are prepared, reviewed, briefed and updated Ensure all "as constructed" records are provided to the Health and Safety File Lead weekly progress meetings Manage the costs associated with the works Order plant and machinery You will have: - SMSTS and have clean water experience. - EUSR Water Hygiene (Blue) Card - SHEA Water - First At At Work - Ideally you will have...
IR35 Status:
Outside IR35

CV-Library Axminster, Devon Contractor
CL
Mar 20, 2026  
Fire Suppression Design Engineer
Job Title: Fire Suppression Design Engineer Location: Remote working - Occasional travel to Aberdeen / London Role Type: Contract Duration: 12 months Rate: £50.00 - £60.00 per hour Outside IR35 Our client, an established engineering consultancy, require an experienced Fire Suppression Design Engineer to join their multi-disciplined team working on a large-scale industrial power generation project. What the role of the Fire Suppression Design Engineer entails: Requirements validation and specification, based on gas turbine installation and interface with existing fire suppression systems, of Oil mist detection, gaseous fuel detection and fire detection system for the installation Conduct any Risks & Hazards assessment to support design and specifications Support technical specification and selection of sensors and systems for gaseous fuel detection, oil mist detection and fire detection across Ensure designs comply with applicable international and regional safety...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 20, 2026  
HV Transmission Engineering Lead
Location: Remote (UK‑wide) with occasional office/site travel Contract: Until end of 2026, Outside IR35, with strong likelihood of extension Start: ASAP Overview We are seeking an experienced HV Transmission Engineering Lead to oversee the technical delivery of major UK transmission and substation projects. This role involves leading a multidisciplinary electrical design team, managing engineering governance, and ensuring high‑quality, technically compliant outputs across complex HV projects. You will act as the senior technical point of contact, coordinating with internal teams, external partners, and key stakeholders throughout all phases of the project lifecycle - from tendering and design development through to construction support and handover. The role offers predominantly remote working with flexibility for travel to offices and project sites across the UK when required. Key Responsibilities Lead and manage the delivery of electrical engineering design for...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 19, 2026  
Mechanical Engineer
Mechanical Engineer – Rotating Equipment Location: Glasgow (Hybrid – 3 days on-site, 2 days remote) Rate: £50 per hour Contract: Outside IR35 Are you an experienced Mechanical Engineer with strong skills and expertise in rotating equipment? We have an exciting contract opportunity for a seasoned professional to take on complex mechanical engineering projects with rotating equipment design. The Role As Mechanical Engineer, you’ll be responsible for specialist design aspects of rotating equipment, supporting product development and providing technical leadership across the full project lifecycle. You’ll mentor engineers, drive standardization, and ensure projects are delivered on time and to the highest quality. Key Responsibilities * Engineer, design and provide engineering support from concept through delivery. * Review specifications and provide technical solutions for tender enquiries. * Manage engineering documentation, drawings, and change control processes. *...
IR35 Status:
Outside IR35

CV-Library G1, Glasgow, Glasgow City Contractor
CL
Mar 18, 2026  
IFE Fire Safety lead (Part B) - Outside Ir35 contract
Elevate Projects are ​working in partnership with our valued client, who having secured a standalone budget have asked us to support with approaching and appointing an IFE Fire Safety lead to take their list of compliance issues, priorities them and create works packages for a small team to deliver the project works that come out of this. This will include compartmentation, fire doors, alarms, escape routes and will require good working knowledge of Part B and BS9999. The Deputy Director is focused on improving compliance on fire specific risks cross the mixed property portfolio and wants to create a new dedicated team to do this, comprising of the Lead, and 3 project managers. Key Objectives * Review and interrogate the existing fire safety compliance register and outstanding actions. * Risk-assess and prioritise issues across the estate in line with statutory obligations and life-safety risk. * Develop clear, deliverable works packages covering...
IR35 Status:
Outside IR35

CV-Library Bristol, City of Bristol Contractor
CL
Mar 18, 2026  
Lead BMS Commissioning Engineer (6 month Contract)
At VIGO, we are recruiting on behalf of a well-respected client in the Smart Buildings and Building Management Systems (BMS/BEMS) sector. They are currently looking for an experienced Contract Lead BMS Commissioning Engineer to join their industry-leading team on a 6-month contract, which is likely to extend. Outside IR35 £330 to £400 Per Day **Role Overview** The successful candidate will become an essential part of the on-site team. They will play a dynamic role in ensuring the commissioning, testing, and successful operation of their advanced BMS solutions. The client predominantly uses Trend and Tridium, making knowledge of these systems a core prerequisite for the role. **Key Responsibilities** Leading the commissioning process of BMS systems Working with the design and installation teams to ensure the most efficient setup Undertaking system tests to ensure the highest performance and system health Providing expertise during the fault-finding process and system optimisation...
IR35 Status:
Outside IR35

CV-Library Northampton, West Northamptonshire Contractor
CL
Mar 15, 2026  
Automation Engineer
We're supporting a major engineering organisation delivering large‑scale automation and control upgrades across the UK water sector. Due to increased project workload, they're looking to bring in an experienced Contract Automation Engineer with strong multi‑vendor PLC/SCADA experience and full‑lifecycle project capability. The Role You'll be delivering controls and automation solutions across major water & wastewater treatment projects. This contract involves full lifecycle engineering-from specifications and design through to programming, FAT/SAT, site commissioning, and handover. Technical Requirements You must be proficient in: Allen‑Bradley / Rockwell Automation Studio 5000 / RSLogix 5000 FactoryTalk View SE/ME Schneider Electric EcoStruxure Control Expert (Unity Pro) SCADA/HMI platforms Mitsubishi Software GX Works / GX Developer Ideal Background This will suit contractors who have previously worked with businesses known for water sector systems integration,...
IR35 Status:
Outside IR35

CV-Library Staffordshire, UK Contractor
CL
Mar 15, 2026  
Senior Civil Engineer
We are seeking an experienced Senior Civil Design Engineer to support a portfolio of National Grid infrastructure projects. The role involves leading the civil and structural design elements for substation, overhead line, and other transmission‑related assets, ensuring compliance with National Grid's technical specifications and governance processes. This is an Outside IR35 contract position, offering hybrid working with on‑site collaboration. Key Responsibilities Lead and produce civil and structural designs for National Grid transmission projects (substations, foundations, compounds, cable routes, OHL works, access roads, drainage, etc.). Ensure all designs comply with National Grid TP / TS standards and relevant industry codes (BS EN, Eurocodes). Prepare design calculations, sketches, reports, specifications, and technical documentation. Manage design risk assessments and contribute to CDM compliance. Coordinate with multidisciplinary teams including electrical, geotechnical,...
IR35 Status:
Outside IR35

CV-Library United Kingdom 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
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