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Contractor 134
Unknown Status senior systems engineer

134 senior systems engineer jobs found

CL
Jun 04, 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  
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 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 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 14, 2026  
Commissioning Engineer
Commissioning Engineer - Water & Wastewater London (with site travel as required) 45 hours per week Overview We are seeking an experienced Commissioning Engineer to join a major main contractor delivering complex water and wastewater process engineering projects. This role is critical to ensuring safe, compliant, and right‑first‑time installation, testing, and commissioning from design through to handover. You will play a leading role across the full commissioning lifecycle, working closely with design teams, suppliers, subcontractors, and client stakeholders to deliver high‑quality outcomes. Key Responsibilities Commissioning & Technical Delivery Provide full lifecycle commissioning input from design through installation, testing, commissioning, and handover. Develop and implement commissioning plans, procedures, and documentation. Undertake hands‑on commissioning activities across electrical, mechanical, and process systems. Lead and witness FAT and SAT...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 14, 2026  
Senior Buyer (maternity cover)
Looking for your next move in engineering where you can make a genuine impact? Do you have proven experience delivering technically complex projects within a regulated or high-spec environment? Are you confident working with stakeholders, managing deliverables, and ensuring quality from concept through to completion? The Opportunity An excellent opportunity has arisen to join a well-established engineering consultancy delivering innovative solutions across complex projects. You’ll play a key role in supporting project delivery while contributing technical expertise within a collaborative and forward-thinking team. We would also welcome applications from these industries Nuclear, defence, oil and gas, utilities, rail, manufacturing, and other highly regulated engineering environments. This role would suit candidates working in these roles Mechanical Engineer, Project Engineer, Design Engineer, Senior Engineer, Engineering Consultant, Plant Engineer, Systems Engineer,...
IR35 Status:
Unknown Status

CV-Library Greater Manchester, UK Contractor
CL
Jun 14, 2026  
Senior Developer
Senior Software Engineer (FTC up to 12 months) £50,000 - £60,000 per annum IT Function 37.5 hours per week Hybrid (UK-based) Fixed Term Contract (up to 12 months) Take Ownership in a High-Impact Fintech Environment Looking for your next move where you can lead on complex engineering challenges, influence technical direction, and deliver real impact? We're looking for a Senior Software Engineer to join a growing fintech environment, working on secure, scalable systems that support real-world financial services. Operating within a modern, Agile product environment, you'll play a key role in delivering high-performance platforms handling large-scale transactions, while mentoring others and driving technical excellence across the team. This is a fantastic opportunity to step into a senior role with genuine ownership and influence. What You'll Be Doing Delivering High-Quality Engineering Solutions Design, develop, and deliver robust, scalable software solutions Translate...
IR35 Status:
Unknown Status

CV-Library Hereford, Herefordshire Contractor
CL
Jun 14, 2026  
Java Developer
Job Title: Senior Backend Engineer Job DescriptionJoin our dynamic team as a Senior Backend Engineer in the Banking domain, where you will play a crucial role in delivering innovative solutions. Collaborate with product owners and business stakeholders to transform written requirements into robust, well-engineered solutions. Your responsibilities will include maintaining and enhancing code quality, automated testing, and comprehensive documentation. Responsibilities Collaborate with product owners and business members to translate requirements into effective solutions. Maintain and improve existing code quality, ensuring robustness and efficiency. Implement automated testing processes and comprehensive documentation. Work with event-driven systems, such as Kafka, to ensure seamless operations. Operate services within Kubernetes environments, ensuring optimal performance. Utilise CI/CD pipelines for efficient deployment and infrastructure management. Leverage cloud platforms, with...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 14, 2026  
Senior Body Electronics Engineer
MAIN GOALS AND OBJECTIVES Technical authority for HCP4 (High Performance Computer 4) on BEV/PHEV electrical architectures, in depth technical knowledge and guidance, to support and ensure achievement of business objectives and technical development, delivering on time and within budget. RESPONSIBILITY/TASKS AND CUSTOMERS MAIN RESPONSIBILITIES (Maximum of 5 relating to products, services etc) Internal/External Customers 1. Accountable for deliverables to a specified timeframe, quality and cost. 1. Ability to demonstrate deliverables status at any time with Key Performance Indicators. 2. PEP reporting tools 3. Budget plans 4. Component/SW/HW delivery plans for a given project 5. Function delivery plans and supporting function maturity planning 6. Manage workload on a daily basis and respond to both long term and short term task requests. 7. Interfacing within EE and other areas of Engineering to ensure cross functional working to ensure consideration of...
IR35 Status:
Unknown Status

CV-Library Greater Manchester, UK Contractor
CL
Jun 13, 2026  
Senior Mechanical Design Engineer
Senior Consultant - Engineering Design Location: London - 5 days a week 40 hours per week (hybred 3 days in the office min) Contract: Freelance / Contract / 6 Months + £315 per day Limited company Engineer Innovation From Concept to Manufacture We are working with a leading product innovation consultancy seeking an experienced Senior Consultant for Mechanical Engineering Design, to deliver complex engineering projects from concept through to production in the Medical and consumer product world. This role suits a technically strong, commercially aware engineer with experience leading projects, solving complex design challenges, and managing client relationships. Key Responsibilities Lead client communication and project delivery Interpret briefs, define requirements, and manage plans, budgets, and timelines Develop innovative engineering concepts and assess feasibility Deliver robust designs using 3D CAD, FEA/CFD, mathematical modelling, and prototype testing Support...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 13, 2026  
HV Electrical Commissioning Engineer
High Voltage (HV) Specialist / HV Commissioning Engineer Project: Bristol Arena Project Location: Bristol, UK Contract Type: Contract Role Overview Responsible for supporting the installation, testing, commissioning, energisation and operation of High Voltage electrical systems. The role will work alongside the project team, DNO/utility providers and specialist contractors to ensure all HV works are completed safely and in accordance with UK regulations and project requirements. Typical Duties * HV cable installation, jointing, termination and testing. * Support metering and substation interface works. * Carry out or supervise HV switching and energisation activities. * Relay protection testing, calibration and commissioning. * Prepare and review switching schedules and RAMS. * Coordinate with DNOs, utility providers and client representatives. * Ensure compliance with UK electrical and safety regulations. * Provide technical support during commissioning...
IR35 Status:
Unknown Status

CV-Library Bristol, City of Bristol Contractor
CL
Jun 13, 2026  
LV Electrical Commissioning Engineer
LV Energisation / Commissioning Engineer Brief Project: Bristol Arena Project Location: Bristol, UK Contract Type: Contract Role Overview Responsible for the safe energisation, testing, commissioning and handover of low voltage electrical systems including LV switchboards, sub-main distribution boards, final distribution boards and associated electrical infrastructure. The successful candidate will ensure all systems are tested, commissioned and energised in accordance with project procedures, manufacturer requirements and UK regulations. Typical Duties * Inspect, test and verify LV electrical installations prior to energisation. * Support the energisation and commissioning of LV switchboards and distribution systems. * Carry out dead testing and live testing activities where authorised. * Complete commissioning documentation and test certification. * Prepare switching schedules, isolation procedures and commissioning records. * Coordinate with project...
IR35 Status:
Unknown Status

CV-Library Bristol, City of Bristol Contractor
CL
Jun 13, 2026  
3rd Line Support Engineer
3rd Line Microsoft Engineer Location: Belgravia, London (5x days onsite per week) Day Rate: £270.00 per day Length: 3 months About the Role We're looking for a highly skilled 3rd Line Microsoft Engineer to join our growing IT & Cloud Services team. This is a hands-on technical role where you'll act as an escalation point for complex issues, drive Microsoft cloud adoption, and help enhance our modern workplace environment. You'll play a key part in supporting, securing, and optimising our Microsoft ecosystem - with a strong focus on Entra ID, Intune, PowerShell, Azure services, and email security (Mimecast). What You'll Be Doing Acting as a senior escalation point for 2nd Line teams and resolving complex Microsoft-related incidents. Administering, managing, and troubleshooting Entra ID (Azure AD) including conditional access, identity protection, authentication and SSO. Creating, deploying, and managing Intune policies, configuration profiles, compliance policies, and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 13, 2026  
3rd Line Support Engineer
3rd Line Microsoft Engineer Location: Belgravia, London (5x days onsite per week) Day Rate: £270.00 per day Length: 3 months About the Role We're looking for a highly skilled 3rd Line Microsoft Engineer to join our growing IT & Cloud Services team. This is a hands-on technical role where you'll act as an escalation point for complex issues, drive Microsoft cloud adoption, and help enhance our modern workplace environment. You'll play a key part in supporting, securing, and optimising our Microsoft ecosystem - with a strong focus on Entra ID, Intune, PowerShell, Azure services, and email security (Mimecast). What You'll Be Doing Acting as a senior escalation point for 2nd Line teams and resolving complex Microsoft-related incidents. Administering, managing, and troubleshooting Entra ID (Azure AD) including conditional access, identity protection, authentication and SSO. Creating, deploying, and managing Intune policies, configuration profiles, compliance policies, and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Site Engineer
Site Engineer Flagship Marine Project | Plymouth | Long-Term Work The Opportunity If you’re a Site Engineer looking to be part of a major, career-defining project — not just another job — this is one well worth considering. You’ll join a high-profile marine civil engineering scheme involving complex reinforced concrete works, where engineering standards are high and capable people are trusted to deliver. This is not a short-term requirement. It’s a long-term project offering real continuity, strong leadership on site, and the opportunity to build experience that will genuinely enhance your career. The Role As Site Engineer, you’ll be at the centre of project delivery, supporting key work packages on site while working closely with senior engineers and site management. Key responsibilities include: Setting out and surveying for major works packages Ensuring works are delivered in line with drawings and specifications Supporting quality assurance and maintaining high...
IR35 Status:
Unknown Status

CV-Library Plymouth, UK Contractor
CL
Jun 13, 2026  
Senior Process Engineer
Job Title: Senior Process Engineer - Production Optimisation & Field Development Working Location: London (Hybrid - minimum 3 days office based) Contract Type: Permanent Key Responsibilities: - Support upstream development and optimisation projects - Evaluate process and production improvement opportunities - Deliver process engineering activities from concept through to implementation - Produce and review technical process deliverables and documentation - Support vendor package reviews and contractor deliverables - Work closely with operations teams to improve facility performance - Support debottlenecking and facility optimisation activities - Contribute to project planning, scheduling, and reporting activities - Present technical recommendations and engineering findings to stakeholders - Participate in quarterly overseas assignments supporting operational assets and project activities (all travel and accommodation costs covered) Requirements: - 10+ years'...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Principal EC&I Engineer
Overview Location: Staffordshire based Working Pattern: Hybrid Sector: Special Purpose Machinery / Highly Regulated Engineering We are seeking an experienced Principal EC&I Engineer to take technical ownership of complex special purpose machinery projects. This is a senior, hands‑off leadership role suited to someone comfortable operating with autonomy, managing projects from concept through to manufacture, commissioning and handover. While nuclear or highly regulated industry experience is desirable, we are equally open to senior EC&I professionals from a special purpose machinery background who understand high‑integrity systems, safety‑critical design and regulated delivery environments. Key Responsibilities Full technical ownership of EC&I work packages for complex machinery systems Translate design input requirements into compliant, buildable engineering solutions Lead and mentor EC&I engineers and designers across project lifecycles Deliver projects to...
IR35 Status:
Unknown Status

CV-Library Staffordshire, UK Contractor
CL
Jun 13, 2026  
Principal EICA Engineer - Electrical Engineering
Job Title: CE&I Responsible Engineer Work Pattern: Hybrid - 2-3 days per week Hours: 40 hours per week Security Clearance: Minimum BPSS required; must be capable of achieving SC Project: Major Infrastructure Upgrades on a Nuclear Decommissioning Site Role Summary We are seeking an experienced Control, Electrical & Instrumentation (CE&I) Responsible Engineer to support a long‑term, multi‑billion‑pound infrastructure delivery partnership within the nuclear sector. This is a senior technical leadership role, responsible for managing CE&I design and engineering activities across a diverse utilities programme on a nuclear licensed site. You will act as the technical authority for CE&I design, ensuring all solutions are safe, compliant, sustainable and delivered to programme and budget, while meeting the stringent regulatory requirements of a nuclear environment. Project Background This long‑term infrastructure partnership will deliver critical utilities...
IR35 Status:
Unknown Status

CV-Library Manchester, Greater Manchester Contractor
CL
Jun 13, 2026  
Senior E&P Design Engineer
Senior E&P Design Engineer - Rail Manchester / North West (Hybrid Working) Day Rate: £275-£425 pday dependant on experience. Job Ref: 40151 We are for a Senior E&P Design Engineer to join a growing multidisciplinary engineering consultancy delivering major Rail and Infrastructure projects across the UK. This is an excellent opportunity for an experienced Electrical Engineer with Rail sector knowledge to join a well-established technical team working on complex and high-profile transport infrastructure schemes. Due to continued growth within their Rail division, they are looking to strengthen their Electrical & Power capability with the addition of a Senior Engineer. Projects include a mix of: Rail Electrification & Power (E&P) systems Railway lineside electrical systems Points heating and signalling power supplies Level crossings and LV distribution systems Station and depot M&E infrastructure Lighting, containment, earthing, small power, and fire...
IR35 Status:
Unknown Status

CV-Library Manchester, Greater Manchester Contractor
CL
Jun 13, 2026  
Lead Electrical Engineer
The Opportunity Our client, a leading engineering organisation within the nuclear sector, is seeking a Lead Electrical Engineer to join their team on a major uranium enrichment FEED project. This is a senior-level position offering the opportunity to take full ownership of the electrical scope on a complex and high-profile programme. The Role Reporting to the Project Engineering Manager and/or Electrical Engineering Manager, the successful candidate will be responsible for leading all electrical engineering activities. This is a purely electrical role, requiring recent nuclear sector experience. Key Responsibilities * Take full responsibility for delivery of the electrical scope, including planning, reporting, and change management * Lead engineering meetings and coordinate delivery across the electrical team * Support project cost estimates, including CTR development * Produce, review, and approve a wide range of engineering documentation, including: * Basis...
IR35 Status:
Unknown Status

CV-Library Manchester, Greater Manchester Contractor
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