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Onsite senior systems engineer £100,000 - £150,000
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Randstad Construction and Property
05 Mar, 2026
Temporary
Senior Engineer
£350 - £400 daily
Randstad Construction and Property Wanlip, Leicester LE7, UK
Randstad are recruiting for a Senior Engineer to work on an exciting Major Civil engineering project in Leicestershire As a Senior Engineer you will be Supporting the Site agent working on a Wastewater STW expansion and Upgrade. This role is Paid CIS Project Details: Inlet & Grit Systems: Installed four 2D screens and an upgraded grit removal system. Storm Storage: Constructed four glass-fused-to-steel tanks Tertiary Treatment: Integrated a new solids removal plant. Phosphorus Removal: Deployed new chemical dosing systems for improved water quality. Pumping & Pipelines: Completed a new dry weather flow rising main and above-ground pipeline. Duties will include: Managing Section and Site Engineers Planning, forecasting and delivering work Liaising with clients and stakeholders Developing programmes, Risk assessments, Quality assurance. Managing design, NCRs, RFI's, H&S etc. This role is Paid CIS Randstad...
ATA Recruitment
04 Mar, 2026
Contract
Senior Software Engineer
£550 - £650 daily
ATA Recruitment United Kingdom
Senior Java Software Engineer (Contractor) UK-Based Fully Remote Outside IR35 Contract to Dec 2026 We are supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal Performance Engineer, you will collaborate with solution design, integration, simulation and delivery teams globally. What We re...
Eden Brown
01 Mar, 2026
Contract
Senior Electrical Design Engineer
£50.00 - £65.00 hourly
Eden Brown 39 Holloway Rd, London N7 8JP, UK
We are working with a leader in the hyper scale global data centre space -their portfolio includes hyperscale facilities for global tech giants, multi-megawatt data halls, and cutting-edge colocation sites. This is an opportunity to work with a team that sets the benchmark for technical excellence and innovation in the data centre sector. The data centres are at stage two and three so a good time to become involved. The position is as a Senior or Principal Electrical Engineer, you will play a key role in designing and delivering complex electrical systems for large-scale data centres collaborating with multidisciplinary teams to ensure resilient, high-performance solutions for some of the most advanced facilities in the industry. What you'll need to succeed Strong experience in HV, LV, generators, and UPS systems, or a willingness to learn and develop in these areas. Proven background in electrical design within building services. Ability to manage projects and mentor...
Rullion Managed Services
23 Feb, 2026
Contract
Integration Engineer
£345 - £468 daily
Rullion Managed Services Nether Stowey, Bridgwater TA5, UK
Role: Integration Engineer Position: Contract Location: Bridgwater - SDC / HPC Duration: Ongoing Contract Pay: 345 p/d PAYE + 36 Days Annual Leave 468.92 p/d Umbrella Shape the Infrastructure of the UK's Largest Construction Project Rullion is supporting the HPC Delivery Integration Team in appointing a Civil Integration Engineer to help coordinate and de-risk infrastructure works across the site. This role sits within the Safety & Schedule Assurance / PMO function , supporting the planning and coordination of major civil and infrastructure works outside the main buildings - including access routes, utilities corridors, drainage, earthworks, enabling works and supporting structures. This is not a pure design role. It is a delivery-facing integration role focused on ensuring work is sequenced, resourced, and buildable before it hits site. The Role As an Integration Engineer (Civils), you will support the Area Integration Senior...
Millbank Holdings
23 Feb, 2026
Contract
Senior Mechanical Engineer
£40.00 - £60.00 hourly
Millbank Holdings Manchester, UK
Senior Mechanical Engineer (water sector) Ready to take the lead on complex mechanical design projects? Do you have extensive experience in hydraulic design and a strong background in the water industry? Are you confident guiding teams and delivering high-quality engineering solutions? The Opportunity We re seeking a Senior Mechanical Engineer to join a leading engineering consultancy, working on innovative water sector projects. This is a chance to influence design standards and mentor the next generation of engineers. The Role This role would suit candidates currently working as Mechanical Design Engineer, Senior Design Engineer, Project Engineer, Hydraulic Engineer, Principal Mechanical Engineer, Mechanical Project Manager, Water Engineer, M&E Engineer, Design Lead, or Engineering Consultant. We would also welcome applications from professionals in power generation, process engineering, utilities, infrastructure, or environmental engineering. Your...
Eden Brown
23 Feb, 2026
Contract
Senior Electrical Design Engineer - Data Centres
£400 - £500 daily
Eden Brown Croydon, UK
We are partnering with a leading consultancy and professional services firm specialising in delivering innovative, modern data centre solutions. They are expanding their engineering team and seeking Intermediate and Senior Electrical Design Engineers to help deliver a wide range of technically challenging and high-value projects. This is an exciting opportunity to join a business that champions innovation, collaboration, and long-term professional development. You'll take responsibility for the design and delivery of electrical systems, from concept through to commissioning, ensuring robust and high-quality solutions for mission-critical environments. You'll be involved in a variety of consultancy packages including: Strategic consultancy, feasibility studies, and master planning Detailed electrical design and specification Engineering, commissioning, and IST management Certifications, compliance, and performance validation Key Responsibilities Design and...
Adecco
05 Mar, 2026
Contract
Systems Engineer
£500 - £600 daily
Adecco Midlothian, UK
Systems Engineer Location: Edinburgh (2 days onsite pw is required) Contract Contract Length: 6 Months Daily Rate: Up to 600 (inside IR35 via umbrella) Are you a talented Systems Engineer looking for your next challenge? Our client is seeking a skilled professional to join their dynamic team on a contract basis. This is a fantastic opportunity to contribute to a range of exciting projects while enjoying the flexibility of hybrid working. Key Responsibilities: Manage and maintain network systems, ensuring efficient routing, DHCP, and DNS functionality. Set up and administer Active Directory, including site design, Group Policy, security protocols, and certificate services. Oversee Windows Server (2022) administration, ensuring optimal performance and security. Develop and execute PowerShell scripts to automate tasks and improve system efficiency. Work within the Amazon AWS Cloud environment, utilising EC2, security groups, EFS, SBS, S3, and load balancers to...
Eden Brown
01 Mar, 2026
Contract
Senior HVAC Design Engineer
£50.00 - £60.00 hourly
Eden Brown 39 Holloway Rd, London N7 8JP, UK
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
Square One Resources
25 Feb, 2026
Contract
Engineering Lead - VMWare/Openshift
£400 - £485 daily
Square One Resources United Kingdom
Job Title: VMWare Engineering Lead Location: Sheffield OR Birmingham (3 days per week on-site) Salary/Rate: Up to 485 per day Start Date: March 2026 Job Type: 10-month contract (Inside IR35) Company Introduction: We are currently recruiting for an Engineering Lead with experience in large-scale IT infrastructure & distributed systems to join our tier-1 banking client on an exciting long-term contract. Role overview The role is part of the Virtualisation Engineering Team within Distributed Compute in CTO Enterprise Services. A VMware Engineering POD Lead is responsible for guiding the development and delivery of VMware products, ensuring they meet business needs and customer expectations. Responsible for VMware Products Vision and Strategy with a focus on automation, availability, reliability, performance, and scale. Managing complex environmental issues, collaborating with wider teams, such as Operations, Applications, Engineering, Connectivity, and...
Randstad Construction and Property
25 Feb, 2026
Temporary
Senior Quantity Surveyor
£375 - £400 daily
Randstad Construction and Property Surrey, UK
Senior Quantity Surveyor (Commercial Lead) Surrey / Sussex 12-Month+ Contract Immediate Start Are you a Senior QS who doesn't mind getting their hands dirty in the data? We are representing a highly respected, traditional housebuilder seeking a Commercial Lead who is as comfortable in the mud as they are in the ledger. This isn't a "high-level oversight" role; we need a COINS power-user who can handle heavy procurement and lead from the front. If you have a Tier 1 or Tier 2 background and a reputation for "getting stuck in," this is your next long-term contract. The Role Based at the Surrey Head Office (5 days a week) with site presence across Surrey and Sussex , you will be the commercial engine for a suite of traditional build projects. Heavy Procurement via COINS: You won't just be checking boxes; you'll be driving the procurement process. Advanced COINS proficiency is mandatory -you need to know the system inside out to manage sub-contractor packages,...
Square One Resources
24 Feb, 2026
Contract
Product Owner
£400 - £485 daily
Square One Resources United Kingdom
Job Title: Product Owner Location: Sheffield OR Birmingham (3 days per week) Salary/Rate: Up to 485 per day Start Date: March 2026 Job Type: 10-month contract (inside IR35) Company Introduction: We are currently recruiting for a Product Owner to join our client in the financial services sector. Job Responsibilities/Objectives: Lead and mentor a team of VMware engineers within the POD structure Responsible for people and performance management of the team Design, deploy, and manage VMware vSphere, VRO, vRLI, and related technologies Oversee day-to-day operations, troubleshooting, and performance tuning of the virtual environment Collaborate with cross-functional teams to deliver infrastructure solutions for business needs Drive automation initiatives using tools such as PowerCLI, Ansible, or vRealize Suite Develop and maintain technical documentation, standards, and best practices Participate in capacity planning, disaster recovery, and business...
Astute People
23 Feb, 2026
Contract
Senior EC&I Engineer
£55.00 - £60.00 hourly
Astute People Aldermaston, Reading RG7, UK
Astute's Power Team is partnering with a leading organisation within the Nuclear sector , to recruit an EC&I Engineer for its Berkshire site. The EC&I Engineer role comes with a 12-month minimum contract (Outside IR35) and the opportunity to work on a technically complex and strategically important project. If you're an EC&I Engineer and are looking to work for an organisation that puts integrity and people at the forefront of everything it does, then submit your CV to apply today. Responsibilities and duties of the EC&I Engineer role Reporting to the Engineering Manager you will: EC&I Delivery Produce CE&I design concepts including SLDs, BCDs, cable schedules and layout drawings Develop designs that conform to relevant British and European standards and client requirements Produce and maintain LTQR / Technical Files in accordance with Quality Management Systems Ensure designs address operability, maintainability and safety...
Astute People
23 Feb, 2026
Contract
Lead Electrical Commissioning Engineer
£550 - £650 daily
Astute People Glasgow, UK
Astute's Power Team are partnering with a Leading EPCM Contractor within the Energy Sector. We are currently recruiting for a Lead Electrical Commissioning Engineer to join their Waste to Energy project based near Glasgow. The Lead Electrical Commissioning Engineer position comes with a day rate from 550.00 to 650.00 per day outside of IR35. Role responsibilities and key skills for the role: Lead and coordinate all electrical commissioning activities across the project, ensuring safe, efficient, and compliant execution. Develop and implement commissioning plans, procedures, and schedules in alignment with the overall project commissioning strategy. Supervise and oversee electrical pre-commissioning and commissioning works, including LV/MV/HV systems, MCCs, switchgear, transformers, UPS, and control systems. Manage and coordinate interfaces between electrical systems and other process areas, including boiler, steam turbine, flue gas treatment (FGT), crane systems, and...
Eden Brown
23 Feb, 2026
Contract
Senior Public Health Design Engineer
£50.00 - £60.00 hourly
Eden Brown London, UK
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.
Damia Group Ltd
23 Feb, 2026
Contract
Unified Communications Engineer/Consultant
£350 - £600 daily
Damia Group Ltd United Kingdom
Unified Communications Engineer/Consultant - 24 months - Market Rate - Remote (Must be mobile) We are seeking a hands-on Unified Communications Engineer to support secure enterprise voice, video, and collaboration platforms (Microsoft Teams) within the Public Sector. You will work with a team decommissioning current infrastructure, whilst working on the transformation to new kit and way of working. This will involve multi sites across the UK and is a long term upgrade project. Experience within the Public Sector would be an advantage. Key Responsibilities Decommission existing Unified Comms Support and maintain enterprise voice and video platforms Manage video conferencing and room-based collaboration systems Maintain underlying network, server, and storage infrastructure Support partner connectivity across various UK sites Perform hardware installation and configuration Contribute to monitoring, automation, and operational tooling Core Technical Skills...
Rullion Managed Services
23 Feb, 2026
Contract
Fire Safety Engineer
£555 - £750 daily
Rullion Managed Services Somerset, UK
Role: Fire Safety Engineer Position: Contract Location: Hinkley Point C, Somerset Duration: 12 months plus Pay: 555 (paye), 750 umbrella The Role The Fire Safety Specialist is part of a team of dedicated fire safety and compliance professionals reporting to the Head of Site Environment, Fire Safety, Radiation Protection & Harbours. The main purpose of the job is to determine and document the fire safety strategy, develop supporting project standards and guidance, drive improvements in safety culture, management systems, performance and to coordinate and cooperate with the NNB Fire Safety Team to assist them in delivering their aims effectively. This will include, but is not limited to, problem solving and establishing innovative solutions to fire safety challenges faced during construction and commissioning, recommending temporary fire safety solutions to include temporary compartmentation, smoke control, fire barriers, fire water supply, fire alarm and...
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