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Onsite senior mechanical engineer £100,000 - £150,000
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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...
Astute People
23 Feb, 2026
Contract
Senior Mechanical 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 a Mechanical Engineer for its Berkshire site. The Mechanical Engineer role comes with a 12-month minimum contract (Outside IR35) and the opportunity to work on a busy and strategically important site. If you're a Mechanical 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 Mechanical Engineer role Reporting to the Site Manager you will: Oversee and support the manufacture and fitting of mechanical components Work from and interpret mechanical engineering drawings Provide hands-on engineering support within both site and factory environments Ensure assembly activities are carried out safely using appropriate hand tools Support and oversee lifting & slinging activities in line with site procedures Ensure...
Aldwych Consulting
06 Mar, 2026
Permanent
Contract Senior/Principal Mechanical Engineer
£40.00 - £50.00 hourly
Aldwych Consulting Stockport, UK
Freelance Senior / Principal Mechanical Building Services Engineer Stockport Hybrid / Flexible Working We are currently looking for an experienced Senior or Principal Mechanical Building Services Engineer on a freelance basis to join a well-established, award-winning building services consultancy in Stockport. This consultancy is recognised for delivering innovative, sustainable MEP design across healthcare, commercial, and public sector projects , and is at the forefront of net zero and low-carbon building design . They are seeking a highly skilled freelance engineer to support high-profile projects , lead design teams, and provide expert guidance across multiple complex projects . The Role As a freelance Senior/Principal Mechanical Engineer , you will take responsibility for delivering mechanical building services projects of varying scale, from specialist schemes to major developments over 100m . Key responsibilities include: Leading the mechanical...
Ganymede Solutions
07 Mar, 2026
Contract
Site Engineer
£400 - £450 daily
Ganymede Solutions Haddenham, UK
Job Title: Site Engineer Utilities Location: Aylesbury Contract Type: 6-Month Contract (Inside IR35) Company Overview We are recruiting for an experienced Site Engineer to support the delivery of utility diversion works within a major infrastructure programme. This is a long-term opportunity for a Site Engineer with a proven background in utilities construction and site-based engineering within a Tier 1 contracting environment. The Role As Site Engineer, you will play a critical role in the technical delivery of utility diversion works, supporting safe and accurate construction operations across site. You will be responsible for setting out lines and levels, interpreting construction drawings, reviewing RAMS documentation, and working closely with Section Engineers and the Project Manager to ensure works are delivered to programme, quality, and budget requirements. This is a hybrid site and coordination role requiring presence onsite and in associated project...
Westlakes Recruit
07 Mar, 2026
Contract
Senior Planning Engineer
£450 - £475 daily
Westlakes Recruit Cambridge, UK
Senior Planner Power Transmission Cambridge (Hybrid Working) We re looking for an experienced Senior Planner and a Lead Planner to support the delivery of major high-voltage transmission and grid infrastructure projects across the UK. This is an exciting opportunity to play a key role in shaping and controlling integrated project schedules across substations, overhead lines (OHL), underground cables, and grid connection programmes (132kV 400kV+). If you thrive in complex, regulated environments and enjoy combining technical expertise with strategic planning leadership this role is for you. What You ll Be Responsible For: Schedule Development & Integration Develop and maintain Level 3 5 integrated schedules Build logic-linked, resource-loaded programmes using Primavera P6 Integrate engineering, procurement, construction, commissioning & outage plans Align programmes with regulatory milestones and client requirements Planning Governance &...
Aldwych Consulting
06 Mar, 2026
Permanent
Contract Electrical Engineer
£40.00 - £50.00 hourly
Aldwych Consulting Stockport, UK
Principal Electrical Building Services Engineer Stockport Hybrid Working An exciting opportunity has arisen for a Principal Electrical Building Services Engineer to join a well-established, award-winning building services consultancy based in Stockport . This respected consultancy has built a strong reputation for delivering innovative, sustainable MEP design and works with high-profile clients across sectors including healthcare, education, commercial and public sector developments . The business is particularly recognised for its expertise in net zero and low-carbon building design , supported by advanced modelling and engineering software. Due to continued growth and a strong pipeline of projects, they are now looking for a Principal Electrical Engineer to join their senior team and play a key role in delivering technically complex and meaningful projects. The Role As a Principal Electrical Engineer , you will lead the electrical design and delivery of...
Contract Scotland
05 Mar, 2026
Permanent
Project Engineer
£350 - £550 daily
Contract Scotland Glasgow, UK
DO YOU WANT TO TAKE YOUR CONSTRUCTION CAREER TO AUSTRALIA ? - Site Engineer, Project Engineer, Section/Senior Engineer, Sub-Agent, or Site Manager? - Under the age of 35 in Scotland/the UK/Ireland? - Experience in civil engineering projects, or working with a large main building contractor? - Ever considered heading to Australia? Then you need to apply/get in touch - let us walk you through how to make this move. CS Internationa (Part of Contract Scotland) work in partnership with PD Project Delivery, an Australian construction and project management company providing civil engineering expertise to successful projects throughout Australia. They deliver everything from roads/highways, rail, water, renewables, to bulk earthworks/groundworks, etc! If the above profile sounds like you (either experience in the civil engineering site/project environment, or relevant experience on large building projects - externals, piling, concrete frames/slipform, etc), then you could...
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...
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...
Advance TRS
04 Mar, 2026
Contract
Civil & Structural Design Engineer
£45.00 - £50.00 hourly
Advance TRS United Kingdom
Job Title: Civil & Structural Design Engineer Salary: 45-50 per hour (dependent on experience) Location: Manchester (Hybrid) Type: Contract, Hybrid About the Role: Our client is seeking an experienced Civil & Structural Design Engineer to support live projects within the Grid Access Substations and HVDC Converter Stations sector. This is a technically demanding role requiring close coordination across civil, structural and M&E disciplines. You will contribute to the development, review and governance of technical solutions, ensuring work packages are delivered on time and to budget. About the Client: Our client is a leading engineering organisation delivering high-profile infrastructure projects across the UK, with a focus on multidisciplinary collaboration and technical excellence. Key Responsibilities: Produce and review civil and structural design solutions for substations and HVDC infrastructure projects Provide technical input and governance across live...
Eden Brown
04 Mar, 2026
Contract
Senior Electrical Design Engineer
£40.00 - £50.00 hourly
Eden Brown London, UK
We are excited to be working with a modern, innovative Building Services Consultancy, 25 strong, who are looking for a Senior Electrical Engineer to join their close-knit team. Having met and engaged with them, I can personally vouch for their amazing culture - everyone is genuinely supportive, and mentorship is deeply ingrained in how they help their team grow. It's the kind of place where your career can soar - with endless opportunities for growth, the sky's truly the limit here! Role Overview: As a Senior Electrical Engineer, you'll take the lead on a range of exciting projects, bringing your technical know-how and design flair to the forefront. You'll ensure that every project - be it a cutting-edge commercial build or a prison refurbishment is delivered to the highest standards, meeting, and exceeding client expectations. You'll need a degree in Electrical Building Services Engineering (or something similar) along with 5+ years of experience in an Engineering...
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 &...
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...
Randstad Construction and Property
25 Feb, 2026
Temporary
Civil / Project Engineer - Infrastructure - UK Visa Holders
£350 - £550 daily
Randstad Construction and Property London, UK
Job Title: Civil Project Engineer (Tier 1 Infrastructure) - UK Visa Holders Location: London, United Kingdom Job Type: Contract (6-24 months) Day Rate: 350 - 550 per day (dependent on experience) Summary An exceptional opportunity for experienced Civil Engineers with existing or pending UK work visas (including Tier 5 Youth Mobility or Ancestry visas). Especially suitable for engineers from New Zealand or Australia. Relocate to London and immediately contribute to some of the world's most significant Tier 1 Major infrastructure projects. We connect talented engineers with leading main contractors on long-term contracts, offering excellent day rates and a seamless transition into the UK construction industry. About the Roles We are seeking multiple Site Engineers, Project Engineers, and Senior Engineers to work on major civil engineering schemes across London, from large-scale transportation Highways, Energy and Water and rail projects to complex utilities and...
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...
Pontoon
23 Feb, 2026
Contract
Senior Data Engineer
£500 - £550 daily
Pontoon Warwick, UK
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Join Our Team as a Senior Data Engineer! Are you a passionate Data Engineer with a flair for innovation? Do you thrive in a dynamic environment where your skills can shape the future of data architecture? If so, we have the perfect opportunity for you! Our client, a leader in the Utilities sector, is seeking a Senior Data Engineer for a temporary role of 3 months. Role: Senior Data Engineer Duration: 3 Months (extension options) Location: Warwick (Hybrid - 1 day on site) Rate: 500- 550 per day (umbrella) Role Overview: As a Senior Data Engineer, you will...
Randstad Construction and Property
23 Feb, 2026
Temporary
Site Engineer
£400 - £425 daily
Randstad Construction and Property Haddenham, UK
My client is seeking to recruit a number of Site Engineers in Ayelsbury with Drainage or earthworks experience. The Site Engineer is responsible on site for other junior engineers and assists in the construction operations. You will be required to liaise with the Sub Agent and Section Foreman to allocate labour, plant and materials to carry out works activities to the required standards, programme and budget. You will be responsible for work with the other team members of the setting-out team and be responsible for the performance and development of the junior engineers and also for identifying and resolving technical problems on site in liaison with the senior team and Sub-Agent. Monitoring and coordinating subcontractors in the performance of their works, ensuring they are completed to the contractual requirements. Ensuring that the team have all current information and resources required to carry out their duties, you will be required to assist with the production of...
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