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Contract Onsite principal systems engineer
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Eden Brown
09 May, 2026
Contract
Principal Control Systems Engineer
£60.00 - £65.00 hourly
Eden Brown United Kingdom
Control Systems Engineer Position is with a global multi disciplined Engineering solutions provider We are seeking an experienced C&I Engineer with a strong systems-engineering background to support major projects across the energy sector, including power generation, CCGT, utilities, oil & gas, and process industries. This role is ideal for an engineer who thrives in technically demanding environments and has hands-on experience developing and delivering advanced control system solutions for large-scale energy assets. The ideal candidate will bring practical expertise in control system architecture, control philosophy, and control narrative development, along with familiarity with leading DCS platforms such as Emerson Ovation, Emerson DeltaV, or Siemens SPPA-T3000. Key Responsibilities Develop Control Narratives, Control Philosophy documents, and Functional Logic Specifications for energy-sector automation systems. Design robust control system network...
Morgan Philips Group
15 May, 2026
Contract
Lead Test Engineer - Microservices - Java - SC CLeared
£600 - £640 daily
Morgan Philips Group Yorkshire, UK
Lead Test Engineer - Inside IR35 - 600 to 640 per day via umbrella - 12-month contract - SC Clearance is essential (Experience in driving or supporting transformation from monolithic systems to distributed micro-services architectures in Java - is essential) Start date - 25/05/2026 is essential Leeds or Manchester based - in the office not home based Essential Skills & Experience: Technical Expertise: Strong experience designing and implementing test strategies for microservices environments Hands-on automation experience using: o Java, Selenium, Rest Assured o API, contract, and integration testing ( Experience working with monolith and microservices systems is essential) Knowledge of: o CI/CD pipelines o Spring Boot-based applications o Performance testing fundamentals Modern Testing Practices: o Contract testing, API testing, and asynchronous messaging (e.g. Kafka) o Non-functional testing (performance, accessibility) Experience...
Rullion Managed Services
15 May, 2026
Contract
Nuclear Safety Engineer Support
£300 - £405 daily
Rullion Managed Services Somerset, UK
Role: Nuclear Safety Engineer Support Position: Contract Location: Hybrid between HPC site, Aztec West, Home. Days per week: 3 days per week/ 19 hours per week Duration: 12 Months Rolling Rate: Circa 300 p/d PAYE + 36 days annual leave Circa 405 p/d Umbrella Job Purpose / Overview As a Nuclear Safety Engineer Support , you will need to support the development of the Operational Nuclear Safety capability for Hinkley Point C (HPC). This will include input during design, construction, commissioning, and the preparations for operation. The Nuclear Safety Engineer will support the project to ensure that nuclear safety requirements are met and will strive to achieve world best practices identified by bench marking with other industry leaders and industry programmes. Principal Accountabilities Supporting the maintenance and development of the Operational and Hazard technical specifications by providing safety case expertise and advice Overseeing implementation of the...
Rullion Managed Services
14 May, 2026
Contract
Project Manager - Civils
£484 - £700 daily
Rullion Managed Services Leiston IP16, UK
Role: Project Manager (Civils) Position: Contract Location: Leiston / hybrid Days on Site: 3 days Duration: Approx until 31st Dec 2026 Pay: up to 484 PAYE - 700 Umbrella The Civil Works Programme comprises a series of projects that will be delivered over a 10-year period. Each element of the scope has been assigned to a combination of participants that will be responsible and accountable for the delivery. The Civils Programme will deliver the Sizewell C Civil Engineering scope to support the MEH erection in the Nuclear, Conventional and Heat Sink islands. The Civil Works Programme is responsible for delivering: Enabling and Earthworks: sea defences, access facilities, civil engineering work to support site establishment, diaphragm walling around the nuclear plant footprint, dewatering, excavation and earthworks. Tunnelling and Marine: beach landing facility, jetty, shafts and intake and outfall tunnels for the nuclear plant cooling systems. Main civil...
Rullion Managed Services
13 May, 2026
Contract
Project Controls Manager
£600 - £940 daily
Rullion Managed Services 39 Holloway Rd, London N7 8JP, UK
Role: Project Controls Manager Position: Contract Location: Based in our London or Suffolk office with hybrid working available - Travel to Paris will also be required Days on Site: 3 (TBC) Duration: Ongoing, Initial CED 31/12/2026, rolling contract thereafter Pay: up to 650 PAYE/ 940 U mbrella Vacancy Overview: Are you looking for a career which is rewarding, at the cutting edge of project development and where you can really make a difference? Come and join our expanding Sizewell C (SZC) team and work on one of the most exciting and largest megaprojects in the UK, whilst being at the forefront of the UK's climate change agenda and energy policy. Following on from the success of Hinkley Point C (HPC), the SZC Project is a nuclear new build project in Suffolk, which has obtained planning approval and Government financing support. The project has started construction and is now seeking private investment. When completed, it will provide dependable electricity to...
Belcan
12 May, 2026
Contract
Software Test Engineer
Belcan Manchester, UK
Lead Software Test Engineer - Contract (Inside IR35) Based at one of these locations: Leeds / Manchester / Birmingham / Newcastle - Hybrid (60% onsite) Our client is delivering a major digital transformation programme and is seeking an experienced Lead Software Test Engineer / Principal SDET to play a pivotal role in shaping quality and automation across multiple delivery teams. This is a high-impact contract role where you will define strategy, set standards and remain hands-on with modern test engineering practices. Overview As a Lead Software Test Engineer you will take ownership of an automation-first testing approach, supporting the transition from legacy monolithic systems to a modern microservices architecture. You will work closely with engineering teams, influencing how quality is embedded throughout the software development lifecycle while actively contributing to frameworks and solutions. Key Responsibilities You will define and implement an end-to-end test...
Eden Brown
09 May, 2026
Contract
Principal Pipeline Engineer
£60.00 - £65.00 hourly
Eden Brown United Kingdom
Principal Pipeline Engineer Location: Remote with occasional visits to office for Project Meetings Position is with a global multi disciplined Engineering solutions provider Team: Energy Transition Shape the future of low-carbon infrastructure. We're driven by a simple belief: the world we design today should create a cleaner, greener and safer tomorrow. We push boundaries, embrace innovation and collaborate across a global network of experts to deliver solutions that stand the test of time. Join us, and you'll be part of a team that takes pride in its people, its purpose and its impact. About the Role We're looking for a Principal Pipeline Engineer to join a growing Energy Transition Team. This is an exciting opportunity to lead the development of mechanical and pipeline designs across a wide range of transmission projects, including: Natural gas (below and above 7 bar) Hydrogen transmission Carbon dioxide pipelines Wider low-carbon and energy transition...
Eden Brown
09 May, 2026
Contract
Principal Mechanical Engineer
£60.00 - £65.00 hourly
Eden Brown United Kingdom
Principal Mechanical Engineer - Low Carbon Location: Remote with occasional visits to the office project meetings Team: Energy Transition Shape the future of low-carbon energy. We're looking for a Principal Mechanical Engineer to join our client's growing Energy Transition Team and play a leading role in delivering the next generation of low- and zero-carbon energy projects. If you thrive on solving complex engineering challenges and want to influence the UK's transition to cleaner energy, this is a role where your impact will be felt for decades. About the Role As a senior member of a multidisciplinary engineering group, you will lead the development of mechanical designs across a diverse portfolio of energy projects - from early-stage concept work through to construction, operation and eventual decommissioning. The work spans: Conventional power generation Energy-from-waste facilities Industrial energy systems Carbon capture, utilisation and storage (CCUS)...
Eden Brown
09 May, 2026
Contract
Principal Electrical Engineer
£60.00 - £65.00 hourly
Eden Brown United Kingdom
Principal Electrical Engineer - Low Carbon Location: Remote with occasional visits to the office for project meetings Role Overview Position is with a global multi disciplined Engineering solutions provider You'll be part of a multidisciplinary team delivering cost-effective, efficient and innovative engineering solutions to complex challenges, helping to shape practical, high-quality designs across a wide range of energy projects. This role involves contributing to projects at all stages of maturity, including Feasibility Studies, Concept Design, FEED, Value Engineering and Detailed Design. You'll take a lead role in developing electrical engineering deliverables and supporting the assessment, optimisation and safe operation of electrical systems across the energy sector. Key Responsibilities Lead and support the development of practical, cost-effective and innovative engineering solutions in collaboration with wider project teams. Deliver engineering work across...
Fusion People Ltd
01 May, 2026
Contract
Principal Mechanical Engineer
Fusion People Ltd 39 Holloway Rd, London N7 8JP, UK
Principal Mechanical Engineer Remote with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - 65 / hour Umbrella A Principal Mechanical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is remote, but you MUST be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location). This role will be working in the Energy Transition industry working on low-carbon projects from early-stage development through construction, operation and eventual decommissioning. Responsibilities Developing cost-effective, practical mechanical engineering solutions to complex problems Producing calculations, equipment specifications and datasheets for turbines, compressors, pumps, pressure vessels and heat exchangers Collaborating with process engineers on PFDs and P&IDs Supporting plant layout development and 3D...
Fusion People Ltd
30 Apr, 2026
Contract
Principal Electrical Engineer
Fusion People Ltd Newcastle upon Tyne, UK
Principal Electrical Engineer Remote with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - 65 / hour Umbrella A Principal Electrical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is remote, but you MUST be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location). This role will be working in the Energy Transition industry working on low-carbon projects at all stages of maturity, including Feasibility Studies, Concept Design, FEED, Value Engineering and Detailed Design. Responsibilities Lead and support the development of practical, cost-effective and innovative engineering solutions in collaboration with wider project teams. Deliver electrical engineering projects from early-stage feasibility through to detailed design. Prepare and develop electrical deliverables including single...
Fusion People Ltd
30 Apr, 2026
Contract
Principal Electrical Engineer
Fusion People Ltd Manchester, UK
Principal Electrical Engineer Remote with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - 65 / hour Umbrella A Principal Electrical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is remote, but you MUST be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location). This role will be working in the Energy Transition industry working on low-carbon projects at all stages of maturity, including Feasibility Studies, Concept Design, FEED, Value Engineering and Detailed Design. Responsibilities Lead and support the development of practical, cost-effective and innovative engineering solutions in collaboration with wider project teams. Deliver electrical engineering projects from early-stage feasibility through to detailed design. Prepare and develop electrical deliverables including single...
Fusion People Ltd
30 Apr, 2026
Contract
Principal Electrical Engineer
Fusion People Ltd 39 Holloway Rd, London N7 8JP, UK
Principal Electrical Engineer Remote with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - 65 / hour Umbrella A Principal Electrical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is remote, but you MUST be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location). This role will be working in the Energy Transition industry working on low-carbon projects at all stages of maturity, including Feasibility Studies, Concept Design, FEED, Value Engineering and Detailed Design. Responsibilities Lead and support the development of practical, cost-effective and innovative engineering solutions in collaboration with wider project teams. Deliver electrical engineering projects from early-stage feasibility through to detailed design. Prepare and develop electrical deliverables including single...
Fusion People Ltd
30 Apr, 2026
Contract
Principal Electrical Engineer
Fusion People Ltd Glasgow, UK
Principal Electrical Engineer Remote with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - 65 / hour Umbrella A Principal Electrical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is remote, but you MUST be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location). This role will be working in the Energy Transition industry working on low-carbon projects at all stages of maturity, including Feasibility Studies, Concept Design, FEED, Value Engineering and Detailed Design. Responsibilities Lead and support the development of practical, cost-effective and innovative engineering solutions in collaboration with wider project teams. Deliver electrical engineering projects from early-stage feasibility through to detailed design. Prepare and develop electrical deliverables including single...
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