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Outside IR35 Contractor senior process engineer

15 senior process engineer jobs found

CL
Jun 20, 2026  
Senior / Principal C&I Engineer
Senior / Principal C&I Engineer – Contract Location: West Wales 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 Hydrogen sectors. TUV Certified status would be a bonus, though not essential. Role & Responsibilities * Undertaking work providing Process Engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Development of...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jun 19, 2026  
Lead Broadcast Media Engineer SDVI ingest platforms
Lead or Senior Broadcast Media Engineer with SDVI/ ingest platforms experience 12 month Contract (Outside IR35 tbc) Approx rate £700pd Hybrid London - Must have right to work in the UK August start / Available within 4/6 weeks Lead / Senior Broadcast Media Engineer with SDVI/ ingest platforms experience. Role requires deep understanding of content ingest workflows - including file-based ingest, transcoding, quality control and metadata processing. Extensive, hands-on experience including workflow design, orchestration configuration and integration within a broadcast supply chain environment. SDVI Rally experience and or similar media workflow systems using python development. * Senior or lead engineer background, with hands-on technical delivery experience within complex broadcast or media technology programmes * Extensive, hands-on experience with SDVI Rally - including workflow design, orchestration configuration and integration within a broadcast supply chain environment *...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Lead Mechanical Commissioning Engineer
Mechanical Commissioning Lead – Contract (Outside IR35) Location - North West England Contract Length - 6 Months - June start Outside IR35 H9 Talent Solutions are looking for an experienced Mechanical Commissioning Lead to support the delivery and commissioning of a new-build energy asset in the North West. This is a key site-based role responsible for leading mechanical commissioning activities through pre-commissioning, cold and hot commissioning, testing, and final handover phases. The successful candidate will work closely with the Commissioning Manager, EPC contractors, OEMs, construction teams, and client representatives to ensure safe and efficient commissioning execution across all mechanical systems. This role would suit an individual with a strong background in large-scale industrial, power generation, Energy from Waste, CHP, CCGT, process plant, or heavy industrial projects. Role & Responsibilities Lead and coordinate all mechanical commissioning activities...
IR35 Status:
Outside IR35

CV-Library Chester, ENG, GB Contractor
CL
Jun 11, 2026  
Senior Project Engineer
ADDISON PROJECT PLC – Senior Project Engineer, Thornton-Cleveleys 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 for you. Role: Senior Project Engineer (Contract outside IR35) Location: Thornton-Cleveleys Contract: 12 months Start Date: Spring 2026 WORKSCOPE Addison...
IR35 Status:
Outside IR35

CV-Library Thornton-Cleveleys, Lancashire Contractor
CL
Jun 06, 2026  
Senior Electrical Engineer - CONTRACT Outside IR35
Senior Electrical Design Engineer / Senior Electrical Engineer - CONTRACT Outside IR35 Surrey, UK Shape the Future of Clean Energy ARCA Resourcing is partnering with a pioneering clean energy technology company developing next-generation integrated power solutions. As part of a rapidly growing engineering team, we have a requirement for a Senior Electrical Design contractor to work on highly advanced electrical systems that are driving the future of sustainable power. We’re looking for a talented Senior Electrical Engineer / Senior Electrical Design Engineer with strong industrial electrical design expertise and a passion for solving complex engineering challenges. The Role You’ll conduct electrical engineering activities across innovative, high-impact projects — taking concepts from feasibility and architecture through to integration, testing, commissioning, and operational support. Working within a multidisciplinary environment, you’ll collaborate with engineers and scientists to...
IR35 Status:
Outside IR35

CV-Library GU2, Artington, Surrey Contractor
CL
Jun 19, 2026  
Manufacturing Engineer
We are supporting a leading engineering and manufacturing business that delivers specialist solutions across the aerospace, power generation, rail, and oil & gas sectors. Due to continued growth, they are looking for an experienced Manufacturing Engineer to join the team on an initial 8-month contract basis. This is an excellent opportunity to work within a highly technical electro-mechanical manufacturing environment, supporting both existing production and new product introduction activities while driving Lean and Continuous Improvement initiatives across the business. The Role Working closely with Operations, Supply Chain, and Design Engineering, you will provide hands-on manufacturing engineering support across production cells, helping improve process efficiency, reduce waste, and support the introduction of new products and manufacturing methods. Key Responsibilities Support production and manufacturing cells with day-to-day engineering activities Drive Lean...
IR35 Status:
Outside IR35

CV-Library Ashford, Surrey Contractor
CL
Jun 18, 2026  
Electrical Site Supervisor - Rail
Electrical Site Supervisor (Rail - LV Upgrades) Location: North West England (multi-site) Contract: 12 Months (Outside IR35) Rate: From £320 per day (DOE) The Opportunity Looking for your next long-term rail contract where you can take real ownership on site? We're recruiting for an experienced Electrical Site Supervisor to lead the delivery of LV upgrade works across four railway stations in the North West. This is a key role on a live rail programme, offering consistent work, strong day rates, and the opportunity to make a visible impact across multiple critical infrastructure sites. The Role You'll take responsibility for supervising electrical works end-to-end, ensuring projects are delivered safely, on time, and to the highest standards within a live rail environment. Key Responsibilities Supervise and coordinate electrical installation works on LV upgrade projects across multiple rail station sites Ensure all activities are delivered in line with project programmes,...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jun 17, 2026  
Project Manager
Project Manager (Contract) – Façade Remediation Projects £400–£450 per day (Ltd Company, Outside IR35) Based within an hour of Derby 6 Month Contract The Opportunity We’re partnering with a growing specialist contractor in passive fire protection, delivering complex remediation programmes across high-rise residential and commercial buildings. This role is suited to a senior-level Project Manager who can take ownership not just of delivery—but of strategy, client relationships, and commercial performance. What You’ll Be Doing Leading projects from pre-construction through to completion Acting as the technical authority, shaping solutions and challenging design where needed Managing commercial performance (costs, margins, risk) Building strong relationships with Tier 1 contractors, consultants, and stakeholders Navigating BSR approvals, compliance, and regulatory processes Overseeing multiple projects and guiding delivery teams Driving best practice across planning, QA, and...
IR35 Status:
Outside IR35

CV-Library Derby, UK Contractor
CL
Jun 17, 2026  
Mechanical Engineer
Mechanical Engineer Contract Aldermaston SC / DV Clearance Required Are you a Mechanical Engineer with experience supporting complex engineering projects within highly regulated environments? Do you enjoy producing technical documentation, engineering calculations and supporting projects from concept through to delivery? Would you like to work for a growing SME delivering specialist packages of work directly into AWE? What's in it for you? • ~ £60p/h DOE • Outside IR35 • Long term project work • Opportunity to work with a specialist engineering SME supporting AWE projects • Overtime opportunities available What will you be doing? • Producing mechanical engineering documentation and design deliverables • Supporting concept, scheme and detailed design activities • Carrying out engineering calculations, assessments and technical reports • Supporting project delivery across design, manufacture, installation and testing activities • Attending project meetings and design...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Reading RG7, UK Contractor
CL
Jun 17, 2026  
Project Manager
Astute is partnering with a renewable energy business in the anaerobic digestion sector who're looking for a Project Manager / Project Engineer on a 6-month contract to manage a small programme of works on an operational biogas site. The Project Manager / Project Engineer role comes with a day rate of up to £400 (Outside IR35). I'm particularly interested to speak to people with electrical or mechanical commissioning experience. Key skills Managing a programme of works around the commissioning of a CO2 recovery system Managing contractors on site, ensuring they're delivering as per the scope Ensuring the project is tracking on time and on budget Project administration duties, including progress reporting, documentation updates, meeting coordination, and maintaining accurate commissioning and project records. Location, remuneration and timeframe of the Contract Project Manager role Dungannon Outside IR35 Immediate Start Up to £400 a day (Ltd)Astute People are acting as an...
IR35 Status:
Outside IR35

CV-Library Dungannon, County Tyrone Contractor
CL
Jun 17, 2026  
Contract Mechanical Maintenance Engineer
Job Title: Contract Mechanical Maintenance Engineer Location: Reading area, Berkshire Rate: £36–38 per hour, Limited Company outside IR35scope Job Type: Contract,  2 months ongoing initially, potential to extend Rotating Shifts: Primarily Monday to Friday – 9-hour  shifts rotating Client: Manufacturing, Immediate hire for ongoing maintenance support The Opportunity: Contract Mechanical Maintenance Engineer We’re recruiting for an experienced Contract Mechanical Bias Maintenance Engineer to provide hands-on mechanical maintenance support within a busy, automated production and packaging environment. This is a great opportunity to join a market-leading manufacturing business with a strong reputation for quality, innovation, and reliability. This client needs… ✔ Strong multi-skilled mechanical fault diagnosis ✔ Experience with conveyors, motors, pneumatics, drives, sensors, presses, hoppers, silos  & basic  Electrical PLCs ✔ Preventive maintenance ✔ Quick turnaround...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Jun 14, 2026  
Design Manager
Are you looking for a role where you can shape design delivery, grow team capability, and influence how water industry projects are engineered from concept through to delivery? Have you managed and led multi-disciplinary design teams delivering complex projects within a regulated environment, ensuring quality, safety, and programmed compliance? Do you have strong hands on experience leading the design process on water or similar regulated infrastructure projects, with accountability for design outputs and team performance? The Opportunity This role is available on a contract basis (outside IR35) and they are also recruiting on a permanent basis, offering £60,000–£80,000 per year plus package, with hybrid working options available depending on experience and arrangements. This role has been created in response to continued growth within a multi-disciplinary engineering design environment delivering regulated infrastructure projects. With an expanding workload in the water...
IR35 Status:
Outside IR35

CV-Library Stretford, Manchester, UK Contractor
CL
Jun 14, 2026  
Technical Manager High Performance Computing
Technical Manager High Performance Computing An exciting opportunity is available for an experienced Technical Manager - High Performance Computing to support the development and delivery of next-generation BEV and PHEV electrical/electronic architectures. This senior technical leadership role will focus on the delivery and integration of HCP4 systems, ensuring projects are delivered to timing, quality, and cost targets. The successful candidate will work cross-functionally across Engineering, Manufacturing, Quality, Suppliers, and wider Group stakeholders to support future vehicle technologies and electrical architectures. Key Responsibilities Technical ownership of HCP4 systems and related vehicle functions Delivery of software, hardware, and system integration activities Management of project timing, KPIs, budgets, and technical deliverables Cross-functional collaboration and supplier management Support technical roadmap development and future concept activities Lead issue...
IR35 Status:
Outside IR35

CV-Library Crewe, Cheshire Contractor
CL
Jun 13, 2026  
Senior Product Design Engineer
Role: Senior Product Design Engineer Location: London Contract Type: Contract / Freelance Duration: 6 months + Rate: £315 per day Status: Outside IR35 - Ltd co contract Shape Innovative Products from concept to reality. An exciting opportunity has arisen with a highly respected product innovation consultancy known for delivering cutting-edge solutions across healthcare, consumer, and industrial sectors. Working within a collaborative, multidisciplinary environment, you will play a pivotal role in transforming ideas into commercially successful, production-ready products. This is an ideal opportunity for an experienced Product Design Engineer who thrives on solving complex engineering challenges, balancing creativity with technical rigour, and leading projects from research through to manufacture. The Opportunity: As a Senior Product Design Engineer, you will work on a broad portfolio of technically challenging and highly innovative projects within consumer electronics,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 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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