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Contractor 17
Engineering Outside IR35 senior systems engineer

17 senior systems engineer jobs found

CL
Apr 01, 2026  
Senior Process Engineer
Senior Process Engineer- Addison Project, Harlow 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: Harlow Contract: 12 months Start Date: Spring 2026 Workscope Addison Project Plc invites...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Mar 31, 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
Mar 28, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer Location: Manchester (2 to 3 days a week in office) Contract: 12 month contract Rate: £355 to £445 per day (outside IR35) An established engineering design consultancy is seeking an experienced Senior Mechanical Design Engineer to support the delivery of projects across regulated clean and wastewater projects in the UK. The Projects you'll be working on Varied projects across the UK water industry, including: Various UMON projects in Sewage Treatment Works Pumped storm storage for CSOs and Sewage Treatment Works Key Responsibilities Provide design deliverables that satisfy safety and quality requirements. Produce design calculations and drawings for the water industry Direct and develop CAD technicians and more junior designers and graduates. Design in compliance with relevant technical, professional and group standards. Required Qualifications & Experience min 10 years' mechanical design experience in the UK water industry...
IR35 Status:
Outside IR35

CV-Library Stretford, Greater Manchester Contractor
CL
Apr 02, 2026  
Electrical Commissioning Engineer - Water
Electrical Commissioning Engineer -  Water & Wastewater Treatment Location: Bournemouth Rate: up to £500 p/d DOE (Outside IR35/LTD Company) Duration: 12 Months+ Sector: Water/Wastewater Are you a Commissioning Engineer looking to elevate your career in the Water/Wastewater sector? Your Responsibilities: ·Conduct comprehensive commissioning activities on clean and Wastewater sites. ·Manage instrumentation and panel operations with precision and efficiency. ·Interpret complex technical documentation and execute various low voltage electrical tasks. ·Demonstrate proficiency in fault-finding, diagnostics, and modifications, ensuring optimal performance. ·Collaborate with Systems Integrators for seamless commissioning and system modifications. ·Provide training sessions and support to internal teams and clients as needed. ·Uphold strict health, safety, and quality standards, fostering a culture of excellence. Requirements: ·Proven track record as a Commissioning...
IR35 Status:
Outside IR35

CV-Library Bournemouth, UK Contractor
CL
Apr 02, 2026  
Process Design Engineer
Process Design Engineer – Structural, Pipework & Vessel Design (FMCG Process Equipment) Location: Peterborough Rate: £35 - £40ph LTD Company Outside IR35 Remote work available with the occasional office visit Job Purpose We are seeking a Design Engineer to join the Engineering design team, supporting the development, modification, and documentation of structural, vessel, and pipework solutions within the FMCG process equipment sector. The role supports liquid and powder process engineering projects across food, beverage, brewery, bakery, dairy, and utility applications, delivering high-quality cradle-to-grave design outputs that meet industry standards and customer requirements. You will work within a multidisciplinary project team, contributing your own engineering ideas while ensuring designs are practical, economical, and suitable for manufacture and installation. Key Responsibilities of the Design Engineer: • Design and develop process machinery including mixers,...
IR35 Status:
Outside IR35

CV-Library Peterborough, UK Contractor
CL
Apr 01, 2026  
Site Engineer
Exciting Opportunity for a Site Engineer in the Water/Wastewater Industry Role: Site Engineer Location: Kingston Bagpuize Rate: £350 per day - CIS Duration: 12 months + Sector: Sewage Treatment Works About the business Join a dynamic contractor at the forefront of the industry, currently spearheading projects within the Thames Water framework. Our commitment to excellence has opened up an exciting opportunity for a talented Site Engineer to contribute to upcoming development works linked to a large Sewage treatment works (STW) in Oxford. Key Responsibilities: ·Execute setting out tasks with precision, ensuring accuracy in levelling and traversing. ·Collaborate with the Project Manager in overseeing day-to-day site operations, including surveying and progress reporting. ·Verify plans, drawings, and setting out co-ordinations for seamless project execution. ·Utilize modern survey methods and devices, including global navigation satellite systems and data collectors....
IR35 Status:
Outside IR35

CV-Library Kingston Bagpuize, Abingdon OX13, UK Contractor
CL
Apr 01, 2026  
Senior Authorised Person
Senior Authorised Person – 132kV – 12 Month Contract – UK Travel – Energy Infrastructure – April Start I am currently looking for a 132kV Senior Authorised Person to support a leading IDNO in developing and operating their growing EHV network across the UK. This role goes beyond standard SAP duties and offers the opportunity to play a key part in establishing operational processes, implementing safety rules, and helping build internal operational capability as they expand their EHV infrastructure. Requirements: * Previous authorisations at 132kV as a Senior Authorised Person * Strong experience working with EHV networks (33kV–132kV) * Substation experience at 132kV * Experience with switching, isolations and issuing safety documentation * Strong understanding of electrical safety rules and operational procedures * Experience within DNO or National Grid environments desirable * Ability to mentor engineers and help develop internal operational capability...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 31, 2026  
EICA Commissioning Engineer
EICA Commissioning Engineer – Water Industry Clean Water Project | 12 Month Contract | Outside IR35 Bournemouth / Dorset Region A leading engineering contractor delivering major infrastructure projects within the UK water sector is seeking an experienced EICA Commissioning Engineer to support commissioning activities on a large clean water treatment project in the Bournemouth region. This is a long-term 12-month contract opportunity outside IR35, working on a significant clean water programme involving complex MEICA systems, electrical commissioning, instrumentation, controls and telemetry integration. The successful candidate will play a key role in ensuring the installation, testing, commissioning and handover of plant systems is delivered safely and in line with client standards. The Role Working closely with the Commissioning Manager, contractors and project delivery teams, you will support the commissioning of electrical and control systems across the site. Key...
IR35 Status:
Outside IR35

CV-Library Bournemouth, Dorset Contractor
CL
Mar 31, 2026  
Senior Electrical Engineer (hybrid working)
Senior Electrical Engineer – Contract – Remote Location: Remote / Hybrid Location: Hybrid 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. Our client can accommodate a hybrid working pattern with alternate weeks wfh / in the office in West Wales. The role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor 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). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 31, 2026  
Senior Electrical Engineer
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 Nuclear sectors. Our client will consider applicants for either a staff or contract position – for a contractor the role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor 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). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and be able to size equipment and perform cable sizing calculations * Participation...
IR35 Status:
Outside IR35

CV-Library Burton Ferry, Pembrokeshire Contractor
CL
Mar 29, 2026  
Electronic Systems Engineer
Electronic Systems Engineer (Optical Systems) Contract: 6 months, Rhyl, fully on-site, outside IR35 Overview I'm seeking an Electronic Systems Engineer with experience in optical and photonic systems. The role will involve the design, development, and integration of electronic systems used in optical sensing, imaging, and instrumentation applications. Key Responsibilities Design and develop electronic systems supporting optical and photonic technologies. Integrate electronics with components such as optical sensors, photodiodes, lasers, and imaging devices. Develop analogue and digital circuits for signal conditioning and system control. Support system integration, testing, and troubleshooting. Work collaboratively with engineers and technical teams to develop and improve products. Produce technical documentation and support prototype development.Requirements Experience in electronic system design and development. Understanding of optical sensing, photonics, or related...
IR35 Status:
Outside IR35

CV-Library Rhyl, Denbighshire Contractor
CL
Mar 28, 2026  
Junior Launch Engineer
Position: Junior Launch Body Engineer 📍 Location: Onsite in Surrey 📄 Contract: 3-6 months initially (40 hours per week, outside IR35 if applicable) Contechs are supporting a leading British luxury, low‑volume automotive manufacturer who are looking to bring a Junior Launch Body Engineer into their team on a rolling contract. This is an exciting opportunity to work on high‑end, bespoke vehicle programmes within a fast‑paced OEM environment. Please note: This is not a trainee role. A minimum of 1 year's experience as a Launch or Series Engineer within an OEM is essential. Key Responsibilities Deliver and lead body structures systems to meet design specifications and styling intent Support both prototype and production build phases Ensure all components and assemblies meet relevant industry, business, and legislative standards Contribute to problem‑solving activities during virtual and physical builds Review engineering prototypes and identify potential issues or risks Assist...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Mar 27, 2026  
Design Engineer
Design Engineer – Structural, Pipework & Vessel Design (FMCG Process Equipment) Location: Peterborough Rate: £35 - £40ph LTD Company Outside IR35 Job Purpose We are seeking a Design Engineer to join the Engineering design team, supporting the development, modification, and documentation of structural, vessel, and pipework solutions within the FMCG process equipment sector. The role supports liquid and powder process engineering projects across food, beverage, brewery, bakery, dairy, and utility applications, delivering high-quality cradle-to-grave design outputs that meet industry standards and customer requirements. You will work within a multidisciplinary project team, contributing your own engineering ideas while ensuring designs are practical, economical, and suitable for manufacture and installation. Key Responsibilities of the Design Engineer: • Design and develop process machinery including mixers, conveyors, filling systems, and ancillary processing equipment •...
IR35 Status:
Outside IR35

CV-Library Peterborough, 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 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
Feb 14, 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
Dec 13, 2025  
Senior Public Health Design Engineer
Great long term requirement for Senior Public Health (Engineering) Design Engineer working for this innovative and mature Multi-disciplined Consulting Engineers across their major projects team To be clear this is a building services design role covering above ground drainage focusing on water supply, sanitation, drainage, and waste management, fire suppression system etc Candidates should be in a similar role with around five years experience Role would be a consulting position outside IR35 Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the workplace and is an equal opportunity employer. Eden Brown is acting as an Employment Business in relation to this vacancy
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
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