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Outside IR35 systems engineer

51 systems engineer jobs found

CL
Dec 11, 2025  
Controls Project Engineer
Controls Project Systems Engineer (PLC) £c40/hr ltd rate South East ABJ7685 Salary dependent on experience but c£35-£45/ hr ltd rate (outside IR35) Start Jan 2026 - 3m with view to extension ONSITE A new position for an experienced Controls Project Systems Engineer (PLC exp) is urgently required for a leading engineering services company to for new upcoming projects. As controls engineer you will be carrying out programming of Siemens S7-1500 PLCs using TIA Portal. As controls engineer experience you will be programming of WinCC SCADA systems - interfacing with multiple S7-1500 PLCs. - Failsafe programming would be desirable. As control engineer you will have the ability to be technical lead for a control panel and review electrical drawings, panel assembly. As control project engineer you will also have the ability to generate documentation such as test plans, Installation / commissioning & Operation / Maintenance Documentation. Mainly office based apart from when you go...
IR35 Status:
Outside IR35

CV-Library South West England, UK Contractor
CL
Feb 22, 2026  
Site Commissioning Engineer (outside of IR35 OR PAYE)
Role:                Site Commissioning Engineer  (Outside of IR35 OR PAYE) Base:               Remote Rate:                £45 - £52.00 p/h The  Site Commissioning Engineer will undertake site commissioning activities in technical specialist capacity during on-site installation/ construction and commissioning activities related to the assigned work scope to assure cost-effective execution of project deliverables in accordance with contract specifications,  quality standards, schedule, and safety requirements for start-up and commissioning phases. To work on national & international Energy projects using client products and systems as required. Site Commissioning Engineer requirements: Able to perform overall quality control of their own work and report regularly on the status. Monitor compliance to applicable codes, practices, QA/QC policies, performance standards and specifications. Be involved in the coordination of any technical queries and solutions with the...
IR35 Status:
Outside IR35

CV-Library Eaton Socon, St. Neots PE19, UK Contractor
CL
Feb 22, 2026  
Telecoms Engineer (Outside of IR35 or PAYE/Umbrella if preferred)
Role:            Telecoms Engineer (Outside of IR35 or  PAYE/Umbrella) Based:          St.Neots, Cambridgeshire PE19 Duration:       Ongoing Rate:            Negotiable Our client is seeking an experienced Telecoms Engineers to work on an ongoing contract. The role will include: Telecoms Engineering encompasses the planning, design, development, testing, installation, and coordination of related activities involving electrical/electronic components and systems, including automation. It also co-ordinates activities internally and with other groups to effectively accomplish objectives requiring knowledge of associated functions and related engineering fields. Use computers and selected programs for such matters as preparing reports and conducting analyses. Independently perform various engineering duties requiring the exercise of judgment and application of standard engineering principles and practices, towards set goals. Plan, conduct or coordinate a range of complex...
IR35 Status:
Outside IR35

CV-Library Eaton Socon, St. Neots PE19, UK Contractor
CL
Feb 22, 2026  
Site Engineer
Site Engineer – Mannington 400kV Substation (BH21) Location: Mannington, Dorset Rate: £400 per day Contract Type: Full-time, site-based contingency worker IR35 Status: Outside IR35 Duration: 6-month rolling contract (12-month programme) Hours: Monday to Friday, 10-hour days, occasional travel to client offices MRR Infrastructure is proud to be supporting the delivery of a significant 400kV substation scheme for a leading global engineering and construction consultancy, recognised for its technical excellence and long-standing success within the power transmission and distribution sector. This opportunity offers the chance to contribute to a high-profile National Grid project, working alongside a multidisciplinary team to maintain the highest levels of safety, quality, and technical performance throughout delivery. We are seeking a proactive Site Engineer with a strong background in substation infrastructure projects to provide on-site technical support, oversee setting out,...
IR35 Status:
Outside IR35

CV-Library BH21, Three Legged Cross, Dorset Contractor
CL
Feb 22, 2026  
Data Engineer - D365 F&O
Data Engineer - ERP Migration | London Primarily Remote | ASAP Start Contract - Outside IR35 - Rate Negotiable I'm supporting a major UK organisation undergoing a large‑scale ERP transformation and looking for an experienced Data Engineer to join the data migration team. The client are looking for someone to start in ASAP. The successful candidate will have extensive experience migrating data to D365 F&O. Role Responsibilities: Build/run ETL processes from legacy systems into the new ERP Support multiple concurrent migration cycles Improve data‑migration tools and workflows Work closely with data, technical, and business teamsYou'll Need: Strong D365 F&O experience - A must Strong Azure experience Background in migration or ERP programmes Ability to work across several workstreams at pace Strong data engineering + ETL experience If this sounds like a good fit then please apply today
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 21, 2026  
RF/mmW Design Engineer
Contract: Outside IR35, sites UK wide, rates DOE, 3 days on-site Project Scope: Work with project teams to deliver designs on schedule, within budget, and to quality standards. Support transition from concept and prototyping to production. Collaborate with manufacturing and process teams to ensure product feasibility and reliability. Help identify and mitigate risks throughout the design and development lifecycle. Technical Scope: Lead the design, simulation, and development of high-frequency RF and mmWave circuits and systems. Analyse system performance, optimise designs, and troubleshoot complex issues. Conduct measurements, characterisation, and validation of prototypes and production hardware. Prepare and maintain clear technical documentation, including test reports and design records. Ensure designs meet specifications, standards, and customer expectations. Contribute ideas to product and technology roadmaps. Provide technical input for proposals, customer...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Feb 21, 2026  
RF/mmW Design Engineer
Contract: Outside IR35, sites UK wide, rates DOE, 3 days on-site Project Scope: Work with project teams to deliver designs on schedule, within budget, and to quality standards. Support transition from concept and prototyping to production. Collaborate with manufacturing and process teams to ensure product feasibility and reliability. Help identify and mitigate risks throughout the design and development lifecycle. Technical Scope: Lead the design, simulation, and development of high-frequency RF and mmWave circuits and systems. Analyse system performance, optimise designs, and troubleshoot complex issues. Conduct measurements, characterisation, and validation of prototypes and production hardware. Prepare and maintain clear technical documentation, including test reports and design records. Ensure designs meet specifications, standards, and customer expectations. Contribute ideas to product and technology roadmaps. Provide technical input for proposals, customer...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Feb 21, 2026  
Principal Electronics Engineer
Principal Electronics Engineer Southampton or Bristol 6-month contract Paying up to £65p/h (InsideIR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable Overview Primary focus on the design and development of digital processing electronics and support to RF and analogue power circuitry for complex laboratory and aircraft sensor systems. You will work across a range of projects throughout various stages of the product lifecycle, from initial concept development through to early life production and field support. Key Responsibilities: Design and development of mixed-technology electronic designs comprising of one or more Microcontrollers, CPLD and/or FPGA devices interfacing with RF and analogue circuits. Implementation of digital interfaces such as Ethernet, CAN, I2C, SPI and RS422 alongside high-speed optical fibre and Ethernet interfaces. Design and development...
IR35 Status:
Outside IR35

CV-Library Bristol, UK Contractor
CL
Feb 21, 2026  
Process Control Engineer
Process Controls Engineer – Contract – Remote Location: Remote The successful person must have experience in BMS and alarm system solutions – essential. This is an excellent opportunity to join a major energy sector client organisation, supporting the successful operation of a large energy facility. The role will be supporting the development and re-organisation of key control units and philosophies and will require a strong understanding of Emerson systems. This is a long term contract and can be performed remotely but will require occasional trips to site. This is initially a 12 month contract that is deemed outside IR35. Role & Responsibilities * Developing process control solutions for the BMS and alarm system rationalisation. * Addressing and amending alarm design philosophy, the role will require creating tags, amending documents, creating proposals and discussing with the operations team to define the philosophy before either then implementing the changes...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Feb 21, 2026  
Site Engineer
Exciting Opportunity for a Site Engineer in the Water/Wastewater Industry Role: Site Engineer Location: Stafford Rate: £450 per day - LTD/Outside IR35 (Must Provide GPS/Total Station) Duration: 12 months + Sector: Wastewater Non-Infrastructure About the business Join a dynamic contractor at the forefront of the industry, currently spearheading projects within the Bournemouth 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 Water treatment works (WTW) in Bournemouth. 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...
IR35 Status:
Outside IR35

CV-Library Stafford, UK Contractor
CL
Feb 20, 2026  
PDMS Designer Contract
PDMS Designer – Contract outside IR35 – North West We currently have a requirement for a PDMS Design Engineer on a contract basis, the position is working on a large scale project within the Energy sector. If you are an independent contractor with experience producing PDMS Design’s within the HVAC sector, please read on: PDMS Designer Role Responsibilities: * Provide independent PDMS Design and modelling services to support the large scale delivery of a large Energy project. * Deliver PDMS output on an agreed package of work, ensuing design models and deliverables can be progressed. * Produce 3D models in PDMS for HVAC, chilled water pipework and associated small steelwork. * Development and update of model layouts, ensuring alignment with project specifications and standards. * Independent clash detection and model coordination across multi-disciplines. * Generate design outputs (isometrics, drawings, general arrangements) directly from PDMS. * Provision of...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Feb 20, 2026  
Electrical Project Engineer - Automation
Electrical Project Engineer – Automation Location: Leicestershire Rate: £400 per day (Outside IR35) Overtime: £450 per day (Weekends & Nights) Contract: 6 - 12 months (Mon–Fri, 07:00–17:00) Start: Immediate ECS Card Required We are supporting a major automation project and are looking for an organised and technically minded Electrical Project Engineer to provide documentation, reporting, and defect coordination support across testing and commissioning activities. This is a documentation and coordination-focused role, working closely with engineering and integration teams. The position is primarily office-based, with occasional site attendance (office and site are co-located). Key Responsibilities Manage and track defects using Jira and TestRail Maintain defect logs, dashboards, and reporting tools Own and update test documentation and scripts Liaise with engineering and integration teams to clarify and resolve issues Produce project status reports and progress...
IR35 Status:
Outside IR35

CV-Library Coalville LE67, UK Contractor
CL
Feb 20, 2026  
Contract Mechanical Design Engineer
Contract Mechanical Design Engineer – Outside IR35 Are you currently working as a Mechanical Design Engineer, with experience in the Energy/Defence space and experience in HVAC, Small structural steel and chilled water systems? Are you currently based on the North West of England or happy to live/work away and base yourself in the area? We currently have an opportunity for a Mechanical Design Engineer on a contract basis, this position is outside IR35 and offers long term work. My client is looking to engage with a Mechanical Design Engineer to provide independent Mechanical Design Service, this is a key package on a large scale Energy Project. Contract Mechanical Design Engineer role Specification: * Produce and checking of design deliverables for small structural steel, HVAC Bracketry and chilled water systems (Calculations, models, drawings). * Technical advice on constructability, manufacturability and integration of supports. * Independent design review of...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Feb 20, 2026  
Software Controls Engineer
Software Controls Engineer Initial 2 Months Contract Rate £50.00 – £55.00 p/h DOE (Outside IR35) Bradford Sheffield Leeds Wakefield Barnsley Automation / Robotics / Siemens TIA Portal / WinCC Unified I am currently recruiting on behalf of a global leader in the manufacture of high-end automated machinery. They are seeking an experienced Software Controls Engineer to support the commissioning of a complex automation project on a short-term contract basis. For this position, you will be required to carry out the following duties: • Modify and fault-find PLC software using Siemens TIA Portal (V19) during commissioning • Support commissioning and optimisation of Stäubli robot applications, servo drives and motion systems • Assist with FAT and SAT testing, including execution and documentation • Troubleshoot electrical, controls and software issues during live testing • Support integration between PLCs, robots, vision and motion systems • Create and update commissioning...
IR35 Status:
Outside IR35

CV-Library West Yorkshire, UK Contractor
CL
Feb 20, 2026  
Senior EC&I Engineer
Role: Contract Senior EC&I Engineer Location: Glasgow (Hybrid 2 Days From Home) Job Type: 12 month contract outside of IR35 Rate: £55 Per Hr A well-established engineering firm specialising in the design and delivery of complex rotating equipment and handling systems is looking to hire a Senior EC&I Engineer on a long-term outside IR35 contract. (initial 12 month duration). You’ll join a highly skilled team working on a strong pipeline of projects in the energy and industrial sectors. This is a hybrid role (3 days on-site, 2 remote) based in Glasgow. Key Experience Sought: * Proven EC&I engineering background within heavy industrial environments. * Electrical design experience. * Solid knowledge of MV motors, VFDs (Variable Frequency Drives) * Hazardous area design experience (IEC 60079, ATEX) * Experience with skid-mounted/package units (instrument hook-up, loop checks, cabling, glands, JBs) * Familiarity with machine monitoring systems (e.g....
IR35 Status:
Outside IR35

CV-Library G1, Glasgow, Glasgow City Contractor
CL
Feb 20, 2026  
Civil Design Engineer - All Levels
Job Title: Civil Design Engineer (all levels - Engineer/ Senior Engineer/ Principal Engineer) – Water Location: Manchester (hybrid)  Type: Contract - OUTSIDE IR35 (Ltd subject to an IR35 assessment confirming outside status)  Hourly Rate: £45.00 - £60.00 Per Hour Ltd  Hours: 40 hours per week Monday - Friday Duration: 12 months +  About the Role We are seeking Civil Design Engineers of all levels to deliver safe, high-quality and compliant civil design solutions across clean and wastewater infrastructure projects. The role will focus on the civil engineering design aspects of water and wastewater schemes, including earthworks, drainage, pipelines, structures, and site infrastructure. Our client is seeking a Civil Engineer, Senior Civil Engineer and Principal Civil Engineer.  Key Responsibilities Produce and check civil design deliverables that meet all safety, quality, technical and regulatory requirements. Develop efficient, buildable civil design solutions based on project...
IR35 Status:
Outside IR35

CV-Library Stretford, Manchester, UK Contractor
CL
Feb 19, 2026  
Electrical Design Engineer
Role Overview we are looking for an electrical Design Engineer, you will play a key role in producing comprehensive and innovative electrical designs, ensuring seamless integration of electrical systems into larger engineering projects. You will collaborate with a talented team of engineers to deliver technical solutions that meet the highest standards of quality, safety, and efficiency. Key Responsibilities •Design Creation: Produce conceptual designs, detailed designs, integration/installation drawings, design specifications, operational documentation, and validation evidence for electrical engineering solutions. •Collaboration: Work closely with other design engineers to ensure the seamless integration of electrical systems into the overall project design. •Compliance & Standards: Ensure all electrical design solutions meet safety, quality, technical, and commercial requirements. •Third-Party Management: Manage third-party designers, ensuring their designs meet project...
IR35 Status:
Outside IR35

CV-Library Dorset, UK Contractor
CL
Feb 19, 2026  
Senior Mechanical Design Engineer
We are seeking a Senior Mechanical Design Engineer for an exciting 6-month project based in Norwich. This is a high-profile, large-scale project, offering the opportunity to work on cutting-edge engineering systems. Contract Details: Duration: 6 months Location: Norwich IR35: Outside Rate: Negotiable Key Responsibilities: Design and development of vessel systems and pressure systems Preparation of mechanical design reports, calculations, and FEA analysis Design and fabrication of sheet metal components Work closely with the project team to ensure designs meet technical, safety, and regulatory requirements Provide innovative solutions to complex engineering challenges Essential Skills & Experience: Proven experience in mechanical design for vessel/pressure systems Proficient in SolidWorks Strong background in FEA analysis, design calculations, and reporting Experience in sheet metal design and fabrication Ability to work independently and deliver results in a...
IR35 Status:
Outside IR35

CV-Library Norwich, Norfolk Contractor
CL
Feb 18, 2026  
Contract PSV Engineer
Contract PSV Engineer “Are you looking for ongoing opportunities as a PSV Engineer and to develop your skillset?” Why work as a Venatu Contractor? * Wages paid weekly. * Roles inside and outside of IR35. * Local work wherever possible, as well as national opportunities, short and long-term contracts available. * Developing your skill set, training courses subject to meeting the criteria. * Technical backup from a qualified engineer. What you will be doing as the PSV Engineer: * Carry out repair and maintenance to exceed DVSA standards. * Diagnostics and repair of mechanical faults including steering, brakes, air systems, driveline but not limited to. * Diagnostics and repair of electrical, and body systems. Use diagnostic equipment to assist diagnostics. * Routine inspection and servicing to maintain roadworthiness and MOT standards. * Carry out major unit changes and repairs where applicable. * Complete necessary paperwork including service...
IR35 Status:
Outside IR35

CV-Library Burnley, Lancashire Contractor
CL
Feb 18, 2026  
Contract PSV Engineer
Contract PSV Engineer “Are you looking for ongoing opportunities as a PSV Engineer and to develop your skillset?” Why work as a Venatu Contractor? * Wages paid weekly. * Roles inside and outside of IR35. * Local work wherever possible, as well as national opportunities, short and long-term contracts available. * Developing your skill set, training courses subject to meeting the criteria. * Technical backup from a qualified engineer. What you will be doing as the PSV Engineer: * Carry out repair and maintenance to exceed DVSA standards. * Diagnostics and repair of mechanical faults including steering, brakes, air systems, driveline but not limited to. * Diagnostics and repair of electrical, and body systems. Use diagnostic equipment to assist diagnostics. * Routine inspection and servicing to maintain roadworthiness and MOT standards. * Carry out major unit changes and repairs where applicable. * Complete necessary paperwork including service sheets to a good...
IR35 Status:
Outside IR35

CV-Library NR7, Sprowston, Norfolk Contractor
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