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Contractor Reading senior systems engineer

72 senior systems engineer jobs found in Reading

CL
Jun 19, 2026  
Senior Systems Engineer
The RLE INTERNATIONAL Group is one of the world's leading providers in the fields of vehicle development, technology and consulting. On the basis of more than 40 years of development & consulting, we provide innovative and effective solutions for our UK customers in the area of Automotive Engineering. RLE INTERNATIONAL is represented at locations close to its customers in Europe, Asia and USA. Job Title: Senior Systems Engineer – Energy Storage Systems Rate: Negotiable (in line with experience) Location: Oxford/Banbury – 3 months (potential to extend) Job Description: We are seeking a Systems Engineer to support the development and integration of an energy storage program utilizing electric motors, power inverters, and battery systems. The Systems Engineer will be responsible for defining system requirements, ensuring subsystem integration, managing technical risks, and supporting the full system lifecycle from concept through deployment and operation. Key...
IR35 Status:
Unknown Status

CV-Library Oxford, Oxfordshire Contractor
CL
Jun 14, 2026  
Mechanical Engineer
Ready to take the lead on a high-profile mechanical engineering project within the UK’s nuclear sector? Do you have a strong background delivering engineering solutions in regulated environments? Are you confident leading design activities while collaborating across multi-disciplinary teams on complex programmes? The Opportunity An exciting contract opportunity has arisen with a leading engineering consultancy supporting a nationally significant nuclear programme. This role offers the chance to work on complex mechanical systems in a highly regulated, safety-critical environment. We would also welcome applications from these industries Defence, oil and gas, power generation, petrochemical, and aerospace sectors. This role would suit candidates working in these roles Senior Mechanical Engineer, Mechanical Design Engineer, Lead Mechanical Engineer, Project Mechanical Engineer, Mechanical Systems Engineer, Principal Mechanical Engineer, Design Engineer, Mechanical...
IR35 Status:
Unknown Status

CV-Library Reading, UK Contractor
CL
Jun 19, 2026  
Commissioning Engineer
Commissioning Engineer – Water & Wastewater Location: Southern Water Region, UK Contract Type: Contract About CMDP+ CMDP+ has secured the AMP8 Capital Programme Strategic Delivery Partner Framework with Southern Water, continuing the successful joint venture between Costain and MWH Treatment. Between 2025–2030, CMDP+ will deliver critical investment in Water and Wastewater infrastructure, including upgrades to Treatment Works, Pumping Stations, and Reservoirs. The Role We are seeking a highly skilled Commissioning Engineer to lead and deliver commissioning activities across Water and Wastewater projects. You will manage the installation, testing, and handover of process plant and equipment, ensuring projects are completed safely, on time, and to the highest quality standards. You will liaise with design teams, contractors, and suppliers, and will be responsible for FAT/SAT testing, defect close-out, and the preparation of commissioning documentation and client training....
IR35 Status:
Unknown Status

CV-Library Camberley, UK Contractor
CL
Jun 13, 2026  
Assembly Operator (Electronics)
Assembly Operator Location: Farnborough, Hampshire (full time onsite) Duration: 6 months Rate: £19 per hour (PAYE) or £25.45 per hour (Umbrella) IR35: Inside IR35 Clearance: Eligible for SC Clearance (sole British nationality required) Overview A leading organisation within the Defence & Security sector is seeking an Assembly Operator to support both RMA and new build activity. Reporting to the Senior Supervisor (Operations), the role is focused on meeting department goals and delivering to customer requirements across repair, test and assembly. Responsibilities: Working as part of the assembly team to produce LRU's to the daily going rate. Re-work of circuit boards to IPC7711/7721 standard involving removal/replacement of surface mount components. Working on repair and processing of LRU's through troubleshoot ensuring correct use of in-house systems. Use of Automated Test Equipment (ATE) for the test of product. Use electronic systems to track repairs and update...
IR35 Status:
Inside IR35

CV-Library Farnborough, Hampshire Contractor
CL
Apr 08, 2026  
Software Engineering Manager
Software Engineering Manager Certain Advantage is hiring for a Software Engineering Manager based in the Farnborough area. This role is on a contract basis and is site-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineering Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Lead the day-to-day activities of the software team Plan, design, develop, verify, and integrate the software for the high-altitude, long-endurance Zephyr aircraft. Acting as the technical authority for software, ensuring compliance with safety, performance,...
IR35 Status:
Unknown Status

CV-Library Farnborough, UK 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 17, 2026  
Senior Integration Engineer (Mechanical)
An opportunity has arisen for a Senior Engineer - Integration to join the Engineering department on a contract basis. About the role Lead the development of defined technical areas or subsystems within a programme, providing technical expertise and mentoring to junior engineers. What you will do Own delivery of significant work packages or subsystems within a project. Develop and validate engineering designs, ensuring compliance with standards. Mentor and support Engineers within the team. Lead problem-solving and root-cause investigations. Interface with other disciplines to ensure design integration and coherence. Provide input to project planning, scheduling, and risk management. Implement and evolve the Integration Plan; author/update ICDs and interface tests. Lead bring‑up sessions & design reviews. Support readiness reviews (PDR/CDR/PRR) with integration evidence. About you Degree-qualified (or equivalent) engineer with adequate experience. Proven...
IR35 Status:
Unknown Status

CV-Library Oxfordshire, UK Contractor
CL
Jun 14, 2026  
Senior Engineer - Water
The role is focused less on heavy design and more on site-based engineering coordination and permitting. You'll be supporting the delivery of early-stage enabling works like excavations, surveys, and trial trenching. Key responsibilities: Managing and issuing permits to dig and ensuring compliance before excavation works begin Supporting Site Engineers and coordinating closely with Foremen, Works Managers, and subcontractors Overseeing site documentation, diaries, and progress tracking Ensuring health & safety and environmental compliance on site Liaising with utilities, local authorities, and stakeholders Coordinating logistics, access, and sequencing of work across the supply chain Supporting planning and tracking of works to keep delivery on scheduleIdeal candidate: Strong site engineering background (civils / utilities / infrastructure) Experience with permit systems, excavation works, and temporary works Good understanding of site coordination rather than pure design...
IR35 Status:
Unknown Status

CV-Library Oxfordshire, UK Contractor
CL
Jun 19, 2026  
Senior Electronics Engineer
Senior Electronics Engineer – 12 Month FTC | West Sussex | Defence Industry About the Role We are seeking a Senior Electronics Engineer to join an established engineering team on a 12-month fixed-term contract. Reporting to the Electronics Group Lead, this role plays a key part in setting engineering standards and acting as a technical authority within the team. You will take ownership of electronic circuit design and multi-layer PCB development, supporting both new product introduction and legacy product improvements. Key Responsibilities * Design and develop electronic circuits and multi-layer PCB layouts * Maintain and enhance existing PCB designs, ensuring performance, manufacturability, and compliance * Work across EMC, power management, servo control, processor interfacing, and communications * Manage electronic component obsolescence, including lifecycle monitoring and alternative component selection * Lead redesign activity where required due to component...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Jun 19, 2026  
Design Manager
Design Manager – Water & Wastewater Location: Southern Water Region Contract Type: Contract Sector: Water Infrastructure / AMP8 CMDP+ has secured a new AMP8 Capital Programme Strategic Delivery Partner Framework Agreement with Southern Water for Water and Wastewater delivery. This award continues the successful joint venture partnership between Costain and MWH Treatment. The framework has been awarded for an initial seven-year term, with the option to extend for up to a further five years. Between 2025–2030, CMDP+ will deliver critical investment across Water and Wastewater infrastructure throughout the region, including upgrades to Treatment Works, Pumping Stations, and Reservoirs. We are currently seeking an experienced Design Manager to join the team and support the successful delivery of this major programme. The Role Design Managers are project-based and work as part of integrated project teams to deliver the design and engineering aspects of major infrastructure...
IR35 Status:
Unknown Status

CV-Library Hampshire, UK Contractor
CL
Jun 18, 2026  
Senior mechanical design engineer
Job Title: Mechanical Design Engineer (Building Services) - Contract Location: Hampshire Rate: £40 per hour (Outside IR35) Contract Length: Ongoing Sector: Local Authority Projects We are currently seeking an experienced Mechanical Design Engineer for a contract role with a well-established consultancy in Hampshire. This opportunity is outside IR35, offering a competitive rate of £40 per hour and the chance to work on a variety of local authority projects. Key Responsibilities: ✔️ Mechanical design for building services projects, including heating, ventilation, and public health systems ✔️ Ensuring designs comply with local authority regulations and industry standards ✔️ Experience with Legionella risk assessments and mitigation strategies ✔️ Collaborating with internal teams and external stakeholders to deliver high-quality solutions ✔️ Site visits and surveys as required Requirements: ✅ Proven experience as a Mechanical Design Engineer in the building services sector ✅...
IR35 Status:
Outside IR35

CV-Library Hampshire, UK Contractor
CL
Jun 18, 2026  
Network Engineer
Network Engineer Rate: £450 PD – IR35 – 3/6 months – 5 day onsite (with flex after 3 months) Opportunity: A leading corporation that is currently undergoing a huge IT transformation is seeking Network Engineer to lead on a number of exciting projects including a Cisco to Palo Alto firewall upgrade and end to end installation of fibre broadband. The chosen Network Engineer must have strong capabilites in Palo Alto, be CISCO qualified (CCNA/CCNP) and have possess layer 1 to layer 7 end to end delivery. Any exposure or uderstanding of Infoblox and experience working witin local authority would be highl desirable. As a third line escalation point for incidents and problems and change relating to the business’ network infrastructure, the Senior Network Engineer key purpose of this role is to support both project delivery and escalated BAU activity by ensuring the business has stable, performant and secure systems from a day to day operational perspective. Core Technical Experience...
IR35 Status:
Unknown Status

CV-Library Morden, UK Contractor
CL
Jun 14, 2026  
Senior Site Manager
Senior Site Manager Super-prime residential refurbishment & basement · Central London At a glance We are looking for an experienced Senior Site Manager to take day-to-day ownership of a circa £8m super-prime residential refurbishment and basement project in Central London, from site establishment through to Practical Completion. This is a technically demanding private residential project in a highly sensitive Central London setting, involving basement works, structural alterations, temporary works, high-quality detailing, tight logistics and a strong compliance environment. Project duration — c.24 months to Practical Completion Engagement — Contract / self-employed, subject to agreed terms, status and compliance checks Hours — Site attendance from 07.30 to 17.00; physical works remain subject to approved working hours, site rules and permissions Reporting to — Project Director The role You will be the senior operational presence on site, accountable to the Project...
IR35 Status:
Unknown Status

CV-Library W1K, Mayfair, Greater London Contractor
CL
Jun 18, 2026  
HV Power Electronics Engineer
Job Title: Senior HV Power Electronics Engineer Contract Duration: 12 Months Location: London Rate: £70–75 p/h DOE (Inside IR35) About the Role We are supporting an advanced engineering programme requiring a Senior HV Power Electronics Engineer with deep expertise in high-voltage system design, insulation coordination, and HV product validation. Key Responsibilities * Lead high-voltage creepage and clearance assessments across HV systems and subsystems. * Support the design and validation of high-voltage power conversion systems and associated power electronics. * Define and review insulation coordination strategies for complex electronic products. * Conduct HV risk analysis, DFMEA activities, and system-level design reviews. * Develop validation methodologies including HV withstand and insulation resistance testing. * Work closely with electrical, mechanical, safety, and systems engineering teams to resolve HV integration challenges. Required Experience *...
IR35 Status:
Inside IR35

CV-Library W1, Marylebone High Street, Greater London Contractor
CL
Jun 14, 2026  
AI Engineer - LLM & Agentic Systems
AI Engineer - LLM & Agentic Systems * London - Hybrid. * Circa £500 – £675 per day (and negotiable DOE) * Contract (Outside IR35) * Mid-level, Senior & Lead. * Agentic AI / Machine Learning. Company: Our client is a globally established B2B information and professional services business, operating across multiple high-value industry sectors. They have established data science and machine learning engineering teams already delivering in production, and are now expanding their AI capability significantly across the global organisation. This is a role for people who ship. If you've built LLM-powered systems and agentic workflows that are live in production - not demos, not prototypes - and you want to do that at genuine scale, this is worth applying for. What you'll be working on as an AI Engineer - LLM & Agentic Systems: * Designing and building AI agents and agentic workflows - combining LLMs, RAG, reasoning, memory and tool orchestration to solve...
IR35 Status:
Outside IR35

CV-Library SW1V, Victoria, Greater London 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  
Assistant Engineer
Job Title: Assistant Mechanical Engineer / Plumbing Improver (Temp to Perm) Location: Richmond (Primary Site) - with occasional travel to Weybridge Hours: Monday-Friday, 8:00am - 5:00pm Contract: Temporary to Permanent initially paid through Umbrella on £18 - 19 per hour starting salary will be around £28k - £32k About the Role We are recruiting for an Assistant Mechanical Engineer / Plumbing Improver to join a growing team on a newly mobilised site in Richmond. This is an excellent opportunity for someone with hands-on experience in plant rooms, hard services FM, or a commercial maintenance environment who is looking to develop their skills and build a long-term career. This is a temp-to-perm position with a strong likelihood of becoming permanent, offering structured training, mentoring, and upskilling alongside experienced engineers. You will be primarily based in Richmond, with occasional travel to a nearby site in Weybridge. Key Responsibilities Support qualified...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 18, 2026  
AI Application/Big Data Engineer
AI Application/Big Data Engineer 6-Month contract - Inside IR35 - market rate London based - hybrid working - up to 3 days a week onsite Finance sector - must have previous experience Role Overview Senior AI / Data Engineer responsible for designing, building, and optimizing AI-driven data pipelines and integrations to enable a QAS-powered response suggestion capability embedded in Salesforce Service Cloud. The role focuses on scalable data processing, LLM integration, and continuous model improvement using production telemetry. Responsibilities Design and implement Salesforce ↔ QAS integration architecture Build and optimize data pipelines supporting AI inference and feedback loops Develop backend services / APIs enabling response suggestion workflows Integrate LLM capabilities (Amazon Bedrock) for response generation and embeddings Enable continuous model tuning via: telemetry data quality scoring usage analytics Work with structured and unstructured data sources:...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Contract Ruby Tech Lead - Start up
Contract Ruby Tech Lead (Startup) Location: Remote / London Hybrid (optional) Contract Length: 3–6 months (with potential extension) 🌱 About the Role We’re partnering with a fast-growing startup on a mission to build a high-impact product used by thousands of customers. They’re now looking for a hands-on Ruby Tech Lead to step in on a contract basis and drive technical direction, delivery, and team alignment during a key growth phase. This is a high-ownership role where you’ll influence architecture, mentor engineers, and help scale both the platform and engineering practices. 🛠 What You’ll Be Doing Lead the design and delivery of scalable, high-performance systems using Ruby (Ruby on Rails) Provide technical leadership to a small but growing engineering team Own architecture decisions and help evolve the platform as it scales Collaborate closely with Product, Design, and Leadership stakeholders Drive best practices around code quality, testing, and deployment Contribute...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Senior Street Lighting Engineer
Our client, operating in the Highways sector, is currently seeking a Senior Street Lighting Engineer for a contract position in North London. This role reports directly to the Highways and Street Lighting Manager and requires significant expertise in planning and delivering street lighting operations and projects. Key Responsibilities: Accountable for planning and delivering street lighting operations and projects. Managing a team of up to 2 directly managed staff and up to 5 consultancy/contracting staff. Developing and implementing the Transportation EV Charging Strategy. Conducting regular progress meetings with contractors. Writing letters, memoranda, and draft progress reports. Ensuring compliance with all road safety and electrical standards. Liaising with other departments for the maintenance and upgrade of street lighting stock. Mentoring junior staff and providing training as needed. Job Requirements: Extensive experience in municipal or urban lighting engineering or a...
IR35 Status:
Unknown Status

CV-Library North London, London Contractor
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