24 senior process engineer jobs found

Contract position Outside IR35 On-site - Hybrid working in West Sussex Our client, a leader in the automotive sector, is currently seeking a skilled Mechanical Design Engineer to join their team on a contract basis. This role involves designing a wide range of complex engine components, with a focus on off-highway, large engine, heavy-duty, and marine applications. Key Responsibilities: The mechanical design of components through concept, definitive, and detail design phases Carrying out detailed mechanical design work including 3D modelling, basic stress calculations, FMEA's, 2D layouts, 2D detailing, and tolerance stacks Ensuring that system and component specifications meet the required design standards Creating 2D drawings for manufacture or purchase Producing assembly drawings and bills of materials Managing design change requests in a timely manner Ensuring the fit and function of responsible parts or systems and their interaction with other systems Maintaining up-to-date...

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...

Principal Mechanical Engineer – Water Leading Engineering Consultancy | Water Sector | Hybrid Working | Long-term Contract | Outside IR35 | Competitive Rate The Opportunity We're recruiting a Principal Mechanical Engineer to deliver high-quality mechanical engineering design and technical leadership across multiple water sector projects. You'll be responsible for leading mechanical engineering workstreams, ensuring compliance with sector standards, managing design delivery, and mentoring engineering teams. Contract Details: Outside IR35 | Competitive daily/monthly rate | Hybrid working| Long-term contract MUST HAVE: Current water sector experience. This is a senior technical role for an SQEP (Suitably Qualified Experienced Person) mechanical engineer with proven, recent expertise in water, wastewater or biosolids treatment. You'll have the capability to lead mechanical engineering on projects or groups of projects, managing design quality, timescales, cost and compliance....

Mechanical Design Engineer – Water & Wastewater | Manchester (Hybrid) Location: Manchester – Hybrid working available Type: Permanent or Contract (Outside IR35) Want to design infrastructure that keeps the UK’s water and wastewater networks running safely and efficiently? Ready to take ownership of technical delivery while working on nationally important treatment works upgrades? Our client is expanding their specialist design team and is looking for a Mechanical Design Engineer to deliver high-quality, compliant solutions across major UK water industry projects. What You’ll Do Design mechanical solutions that meet safety, quality, and technical standards Produce design calculations, drawings, reports, and specifications Direct and support CAD technicians Prepare scopes and review outputs from subcontract M&E design teams Liaise with suppliers, review tenders, and specify equipment Carry out design investigations and technical reporting Ensure design changes are...

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...

Senior Structural Design Engineer - Job Description Location: Manchester (Hybrid: remote + occasional office/site visits) Type: Contract (6 months initial) Rate: £400-£500/day (Outside IR35) Role Overview We are seeking an experienced Senior Structural Design Engineer to support a Tier 1 Design & Build contractor within the water industry. The role involves delivering structural design solutions across water and wastewater infrastructure projects, working collaboratively with multidisciplinary teams. Key Responsibilities Lead and deliver structural design for water and wastewater infrastructure projects Produce and review design calculations, drawings, and specifications Ensure designs comply with relevant codes, standards, and project requirements Coordinate with civil, mechanical, electrical, and process teams Support design reviews, risk assessments, and value engineering Engage with site teams and stakeholders to ensure buildable and efficient solutions Provide...

Senior Electrical Engineer Contract Outside IR35 Aldermaston; minimum 3 days per week on site Do you currently hold active DV clearance and have experience delivering electrical projects within highly regulated environments? We're working with a major engineering programme supporting long term sustainment works on a secure nuclear site. This role would suit an Electrical Project Engineer or Electrical Construction Engineer with a strong construction and site delivery background rather than pure design. What's in it for you? Long term programme work on critical infrastructure projects Flexible hybrid setup; minimum 3 days on site 9 day fortnight Potential for outside IR35 contract engagement High level, technically challenging environment What will you be doing? Supporting electrical installation and construction activities on site Managing delivery of sustainment and upgrade projects Coordinating contractors and site activities over the barrier Ensuring works are completed...

Civil Design Engineer | Water AMP 8 Contract: Long‑term, Outside IR35 Location: Chatham, Kent (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 Chatham office. Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infraastructure 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...

Mechanical Design Engineer Initial 6 month contract Outside IR35 Growing Manufacturing Business Birmingham ASAP Start   Our client are a precision manufacturing business, based in Birmingham, specialising in machining and assembly of high value low volume components. Working within the Engineering Team, the Mechanical Engineer will be responsible for maintaining and developing the existing company product range and creating solutions to customer problems from within the naval marine sector. The Mechanical Engineer, in conjunction with the Design Manager, and the Engineering Standards Manager will be responsible for facilitating the flow of reliable, accurate and readily available data, to both internal and external customers.   Mechanical Engineer  Job Description Interpret customer specifications and create solutions that fully satisfy requirements. Use appropriate valve technologies for a wide range of applications. Use correct standards, design codes and pressure vessel...

Title: Site Project Manager Location: Site-based (must live within 1 hour of site in Dungannon) Contract Duration: 6 months minimum Start Date: Immediate Working Hours: Mon-Fri, 07:45 - 16:00/16:30 (8-hour days) Rate: £350-£410 per day, Outside IR35 We are seeking a proactive and hands-on Site Project Manager to support the final stages of multiple process and plant projects. This role is ideal for someone with 3-4 years' experience who is confident operating on-site, identifying and eliminating issues, and ensuring systems are fully operational and ready for client handover. You will play a key role in overseeing plant readiness, supporting commissioning activities, and ensuring projects are completed to a high standard. Project Scope Odour Management System - Refurbishment and reinstatement Heat Exchanger Installations - Delivery of two units CO₂ Facility - Supporting final commissioning phase Candidate Requirements Mechanical or Electrical Engineering background...

Location: Middlesbrough Duration: 12 month contract Start Date: ASAP Status: Outside IR35 (subject to final assessment) ADDISON PROJECT PLC – Civil and Structural Designer 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 work with a dynamic, people focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place. WORKSCOPE Based in our Middlesbrough...

NW32888 Site Design Coordinator £300 - £400 p/d (Outside IR35) Walsall or Teeside Alecto Recruitment is proudly partnering with a global leader in the Waste to Energy sector. Together, we are looking to recruit a Site Design Coordinator to support the civil works across major infrastructure projects. Role and Responsibilities: Take charge of coordinating all civil works design deliverables, working hand-in-hand with our Lead Engineer to keep everything aligned and moving. Make sure every element of the civil works meets contract, programme, budget, HSE, and quality targets-no exceptions. Control design interfaces between external consultants and our internal engineering teams, setting clear release schedules and tracking progress so nothing slips. Review and challenge design submissions to ensure constructability, flag risks early, and put forward smart, practical technical solutions. Represent the civil design function confidently in meetings, keeping communication sharp...

NW32888 Site Design Coordinator £300 - £400 p/d (Outside IR35) Walsall or Teeside Alecto Recruitment is proudly partnering with a global leader in the Waste to Energy sector. Together, we are looking to recruit a Site Design Coordinator to support the civil works across major infrastructure projects. Role and Responsibilities: Take charge of coordinating all civil works design deliverables, working hand-in-hand with our Lead Engineer to keep everything aligned and moving. Make sure every element of the civil works meets contract, programme, budget, HSE, and quality targets-no exceptions. Control design interfaces between external consultants and our internal engineering teams, setting clear release schedules and tracking progress so nothing slips. Review and challenge design submissions to ensure constructability, flag risks early, and put forward smart, practical technical solutions. Represent the civil design function confidently in meetings, keeping communication sharp...

Requirements Engineer Location: Berkshire (Hybrid) Type: Contract (Outside IR35) Security Clearance: SC clearance required About the Opportunity We are working with a well-established engineering and project delivery organisation operating within the UK nuclear sector. They support major programmes across the full project lifecycle, delivering engineering, design, consultancy, refurbishment, installation, and decommissioning services within highly regulated and high-hazard environments. With a strong reputation for technical expertise and collaborative project delivery, they work across some of the UK’s most complex nuclear sites and infrastructure programmes. This position would suit a Mechanical Engineer or EC&I Engineer who has practical experience undertaking requirements capture and requirements management activities within complex engineering environments. This is not a traditional Systems Engineering or “stereotypical” Requirements Engineering role. The successful...

Security Systems Engineer Reading / London Area + Nationwide Travel Rate: From £260 per day + Overtime 6 Month Rolling Contract Weekly Pay Door-to-Door Pay Outside IR35 – Ltd Company or Self-Employed/Sole Trader Payments Available V7 are looking for experienced Installation Project / Service Engineers on behalf of a leading electronic security systems specialist operating across the commercial sector. This is an excellent opportunity for an experienced engineer looking for long-term contract work with competitive rates and consistent projects. The role will involve the installation, commissioning, servicing and maintenance of integrated electronic security systems across commercial sites throughout the west london and M4 corridor area. Key Responsibilities Installation and commissioning of CCTV, Access Control, Intruder Alarm, AV and integrated security systems Service and maintenance works across commercial sites Working with networked systems including routers, switches and...

Fire & Security Systems Engineer East Midland Rate: From £260 per day + Overtime Contract: 6 Month Rolling Contract Weekly Pay | Door-to-Door Pay | Outside IR35 V7 are looking for experienced Fire & Security Systems Engineers on behalf of a leading specialist within the electronic security and life safety sector. This is an excellent opportunity for experienced contractors looking for long-term contract work across the East Midlands and wider Midlands region. The role will involve the installation, service and maintenance of integrated fire and security systems across commercial sites. Engineers must be comfortable working independently while maintaining high standards of workmanship and client communication. Key Responsibilities Installation and servicing of CCTV, Access Control, Intruder and Fire Alarm systems Fault finding and maintenance on commercial sites Small works and reactive call-outs Working with TCP/IP and networked systems Liaising with clients and site...

Role: Process Operator         Location: Oswestry WTW Rate: £400 per shift + Enhanced Overtime/weekend rates - LTD Company/Outside IR35 Duration: 6 Months+ Sector: Water Treatment   Note: We can only accept applications if you have previously worked as a Process/Chemical Operator on a Clean Water Plant for a Water Utility Client such as United Utilities. We can not consider any other background or experience.   An exciting position has come available for a Tier 1 contractor on the United Utilities (UU) water AMP8 framework for a experienced Process operator to work on a contract basis.   Role Requirements for you.   Able to demonstrate knowledge of the clean water assets and processes and be comfortable in an operational environment. The nature of this activity maybe be physically demanding and will require you to be flexible in your approach with a mixture of proactive and reactive work orders.   Responsibilities:   ·Responsibility for process monitoring of the...

Our client, a leading contractor in the water industry, is currently seeking a Section Engineer to join their team for an exciting project with Southern Water. This is a contract role, outside IR35, focusing on the Clean Water Treatment Works (WTW) Southern Water AMP8 project. The initial contract duration is six months, offering a unique opportunity to contribute to a high-profile project. Key Responsibilities: Coordinating site activities across engineering, construction, and subcontract teams to ensure safe and efficient delivery of works Overseeing site logistics, short-term planning, and productivity tracking Maintaining high standards of health, safety, environment, and quality (SHEQ) Ensuring effective communication among all stakeholders Fostering workforce competence and compliance with established procedures Supporting progress reporting and logistics planning Facilitating the successful handover of completed works Job Requirements: Experience in civil engineering,...

Project Engineer Opportunity (COMAH SITE) - Contract Role in Loughborough About the Role We are seeking an experienced Project Engineer to join our client's team on a key project based in Loughborough. This opportunity will involve working on a challenging and complex programme involving cooling towers, including removal, installation, and decommissioning activities. This contract role extends until 2027 and offers a day rate of £425 (outside IR35, no expenses). Work is required on site 5 days a week. Key Skills and Experience COMAH Site Experience: Proven ability to operate in high-hazard environments adhering to stringent safety and compliance regulations. Cooling Towers and Legionella Training: Hands-on knowledge in the removal, installation, and management of cooling towers, with an understanding of legionella control procedures. Mechanical Expertise: Competence in mechanical systems applied to the programme specifics. Safety and Compliance: Familiarity with CDM...

Senior Civil Design Engineer - Water Location: Old Trafford Manchester Work Type: Outside IR35 Contract Our client, a leading Design House, are seeking an experienced Senior Civil Design Engineer to join their team. In this role, you will develop high-quality, safe, and efficient engineering designs across a range of infrastructure and non-infrastructure projects within the regulated water sector, covering both clean water and wastewater systems. You will also support project delivery, mentor junior team members, and ensure all work complies with relevant safety, quality, and industry standards. Key Responsibilities * Provide design deliverables that satisfy safety and quality requirements. * Identify efficient design solutions from scopes and site visits and communicate these to client and project team * Direct and develop CAD technicians and more junior designers and graduates. * Prepare design risk assessments, reports and specifications. * Design in compliance with...