DI Jobs
  • Home
  • Search Jobs
  • Job Board Advertising Packages
  • Post a Job
  • Sign in
  • Sign up
  • Home
  • Search Jobs
  • Job Board Advertising Packages
  • Post a Job

Refine Search
Current Search
mechanical design engineer £100,000 - £150,000
Refine by Categories
Engineering  (33) Executive & Management  (3) Construction & Trades  (2) Consulting & Corporate Strategy  (2) Admin-Clerical  (1) QA-Quality Control  (1)
Refine by Job Type
Contract  (34) Temporary  (6) Permanent  (2)
Refine by Onsite/Remote
Onsite  (42)
Refine by County
Greater London  (9) Berkshire  (3) England  (3) Greater Manchester  (3) Somerset  (3) West Midlands  (3)
Norfolk  (2) Vale of Glamorgan  (2) Hertfordshire  (1) Lancashire  (1) Northumberland  (1) Renfrewshire  (1) Scottish Borders  (1) York  (1)
More
Adecco
18 Sep, 2026
Temporary
Principal Design Engineer
£50.00 - £70.00 hourly
Adecco Shirley, Solihull, UK
Are you ready to take your engineering career to the next level? Our client, a leader in the aerospace industry, is seeking a Principal Mechanical Design Engineer to join their dynamic team in Solihull. This is an exciting opportunity to work on groundbreaking projects that will shape the future of clean aviation technology. Summary: Start date: October 2026 Duration: 6 months with potential for extension or made permanent Location: Solihull B90 Pay Rate: 60.00 per hour via Umbrella Hours: 37 hours per week - Hybrid Working after training has completed Key Responsibilities: Lead concept development and design of high-performance motors and controllers. Drive engineering design excellence and ensure adherence to design assurance processes. Support independent design assurance activities, including design reviews and engineering document approvals. Collaborate with project teams to maintain the technical integrity of products. Facilitate the resolution of issues...
Ganymede Solutions
25 Sep, 2026
Contract
Commissioning Engineer Machines
£40.00 - £50.00 hourly
Ganymede Solutions Yorkshire, UK
Project Commissioning Engineer Turn Engineering Concepts into Successful Project Delivery Are you a hands on Project Commissioning Engineer ready to take ownership of technically challenging projects from concept to completion? We are partnering with an established engineering business that delivers process and packaging solutions across the food, dairy, beverage, pharmaceutical, chemical and personal care sectors. You will combine practical engineering expertise, commercial awareness and project leadership to deliver safe, profitable and technically robust solutions. Working closely with customers, suppliers, subcontractors and internal teams, you will remain actively involved throughout design, installation, commissioning and handover. Make an Impact from Day One Engineer and support process and packaging projects from quotation through to successful delivery. Manage project budgets, programmes, specifications, variations and profitability. Plan and procure labour and...
Randstad Construction and Property
24 Sep, 2026
Contract
Senior Project Manager (Construction) - Water Treatment
£550 - £600 daily
Randstad Construction and Property London, UK
Randstad are recruiting for a Senior Project Manager (Construction) to oversee a large scale Water Treatment Projects across North London. This is a SITE BASED role (5 days a week on site in North London). This is a freelance role with approximately 12-18 months duration. Payment type is Outside IR35 (subject to candidate IR35 Assessment) ONLY CANDIDATES WITH TIER 1 CONSTRUCTION / WATER / HEAVY CIVILS EXPERIENCE WILL BE CONSIDERED (ENGINEERING DEGREE / HNC REQUIRED) Previous experience working on Thames Water projects highly advantageous Our client is a reputable main contractor highly regarded within the water industry with significant work in the pipeline. Scope of works includes: Heavy Civils / RC / Drainage / Interface with other disciplines /Microtunnelling The role: As a key leader within our Delivery team, you'll report directly to the Head of Operations and work closely with our Contracts Manager for Water. You'll be responsible for the overall success of...
Rullion Managed Services
17 Sep, 2026
Contract
Mechanical Field Engineer
£350 - £470 daily
Rullion Managed Services Nether Stowey, Bridgwater, UK
Role: Field Engineer - Mechanical Engineer Position: Contract Location: Hinkley Point C, Somerset Duration: Ongoing Contract Day Rate: Up to 350 p/d PAYE + 36 days annual leave Up to 475.72 p/d Umbrella Bring your mechanical construction experience to one of the UK's most significant infrastructure projects Are you an experienced Mechanical Field Engineer, Mechanical Inspector, Mechanical Supervisor or Construction Engineer with a strong background in the installation, inspection and delivery of mechanical equipment? Do you have practical experience working with equipment such as valves, heat exchangers, bolted connections, torquing/tensioning, beam cranes, drilling and mechanical anchorages? We are recruiting for an experienced Field Engineer - Mechanical to join the Site Quality Surveillance team at Hinkley Point C, supporting the construction of one of the largest and most complex engineering projects currently underway in the UK....
Eden Brown
08 Sep, 2026
Contract
Senior Electrical Design Engineer
£45.00 - £55.00 hourly
Eden Brown London, UK
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities As an Electrical Design Engineer, your responsibilities will include: Producing electrical building services designs for a variety of building projects Developing electrical schematics, layouts and technical...
Ganymede Solutions
04 Sep, 2026
Contract
PLC / Controls / Automation Engineer - Water Industry
£45.00 - £55.00 hourly
Ganymede Solutions London, UK
PLC / Controls / Automation Engineer Water Industry Location: London Rate: £45 £55 per hour Outside IR35 Initial Contract: 6 months extension highly likely PLC, Controls or EICA Engineer looking for your next contract? If you're a PLC Engineer, Controls Engineer, Automation Engineer, EICA Engineer or Control Systems Engineer with strong water industry experience, this could be an excellent opportunity to get involved in a technically interesting project in Leicester. We're looking for an experienced controls professional who can bring hands-on technical knowledge across PLC/SCADA, control systems, instrumentation and electrical engineering, supporting the delivery of a major water industry project. With a rate of £45 £55 per hour Outside IR35 and an initial 6-month contract with a strong likelihood of extension, this is well suited to an experienced contractor coming towards the end of a project or looking for their next challenge. The role You'll be working as part of a...
Rullion Managed Services
03 Sep, 2026
Contract
Welding NDT) Field Engineer
£350 - £475 daily
Rullion Managed Services Nether Stowey, Bridgwater, UK
Role: Field Engineer - NDT & Welding Inspector Position: Contract Location: Hinkley Point C, Somerset Duration: Ongoing Contract Day Rate: Up to 350 p/d PAYE + 36 days annual leave Up to 475.72 p/d Umbrella Play Your Part in Building the Future of UK Energy Are you a CSWIP 3.2-qualified inspector with practical welding knowledge and experience of NDT under UK PCN requirements? Bring your expertise to Hinkley Point C and help ensure critical construction work meets the standards demanded by a major nuclear project. Rullion is recruiting a Field Engineer - Welding & NDT Inspector to join the site's construction surveillance team. This is a field-based opportunity for someone who enjoys being close to the work: inspecting installations, engaging with contractors and identifying quality issues before they become bigger problems. We welcome applications from candidates across nuclear, pharmaceutical, petrochemical, chemical and water...
Eden Brown
02 Sep, 2026
Contract
Senior HVAC Design Engineer
£50.00 - £60.00 hourly
Eden Brown London, UK
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. 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 a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data center clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
Rullion Managed Services
25 Sep, 2026
Contract
Senior Project Controls Engineer
£500 - £760 daily
Rullion Managed Services Nether Stowey, Bridgwater, UK
Role: Senior Project Cintrols Engineer Position: Contract Location: Somerset Innovation Park, Bridgwater, Somerset (J23 M5) Days on Site: 3 Duration: approx until 31st Dec 2027 Pay: up to 560 PAYE - 760 Umbrella Job Purpose / Overview EDF are leading the UK's Nuclear New Build Programme constructing a nuclear power station at Hinkley Point C, Somerset and Sizewell C, Suffolk. Working within a key aspect of an Integrated Project Controls team, our team aims to act as a centre of excellence for project controls implementation. We are the intelligent owners of the single source of delivery performance information, operating as an integrated enabler for the successful delivery of the HPC project. We work as part of a matrix organisation supporting one of the following programmes/areas within the project: Central, Site, Engineering, MEH, Nuclear Island (NI), Conventional Island and Balance of Plant, Instrumentation and Controls, and Commissioning. The role of...
Aspect Resources
24 Sep, 2026
Contract
Production Planner - SC
£49.95 - £54.49 hourly
Aspect Resources Burghfield, Reading, UK
Job Title: Production Planner - SC Location: Burghfield, Reading (On site) Contract Duration: 18 Months Daily Rate: £49.95/hr - £54.49/hr (Umbrella) IR35 Status : Inside IR35 Security Clearance: SC (with a view to gaining DV must be eligible) Key Accountabilities: Balancing demand and supply within Operational Delivery Units by co-ordinating and de-conflicting demand and capability. Translate the Master Production Schedule/Supplemental Schedule requirements into detailed plans with daily granularity ensuring effective and efficient delivery. Maintain and promote high personal standards in environment, safety, health, security and quality and to be a great team player. Additional accountabilities for this job profile may be defined and appointed through the Chief Engineer Management Arrangements, with appointees listed within the Company Design Authorities and Technical Authorities, as held in the company management system. Key Responsibilities:...
Randstad Construction and Property
24 Sep, 2026
Permanent
Site Manager - Windsor
£400 - £450 daily
Randstad Construction and Property Windsor SL4, UK
Site Manager (Water Treatment Works) Location: Windsor Rate: £400 - £450 per day (LTD / Outside IR35) Duration: 3 Months Initial (Strong potential to move onto subsequent framework schemes) Start Date: Immediate / ASAP Project Overview We are seeking an experienced Site Manager to oversee the construction phase of a new extension to an operational Water Treatment Works (WTW). You will join a fully resourced, collaborative site team-working alongside a Senior PM, PM, Project Engineer, General Foreman, and Supervisors-to drive front-line delivery, subcontractor performance, and rigorous site safety standards. Key Responsibilities Site Delivery: Manage day-to-day site operations for the building extension, coordinating civils, RC structures, groundworks, and building envelope workstreams. Team & Subcontractor Leadership: Direct trade gangs and subcontractors, working in tandem with the General Foreman and Supervisors to keep...
Aldwych Consulting
23 Sep, 2026
Contract
Principal Civil/Structural Engineer
£40.00 - £50.00 hourly
Aldwych Consulting Watford, UK
Freelance Principal Civil / Structural Design Engineer Location: Watford - Hybrid & Remote Working Rate: 40- 50 per hour Umbrella Contract: Freelance Long-Term Opportunity I'm working with a major engineering and construction organisation that is looking to bring an experienced Principal Civil / Structural Design Engineer into its internal design consultancy on a freelance basis. The design team supports major projects across a range of sectors, including water, heavy industrial, power and wider design-and-build infrastructure . You'll work closely with construction teams, clients, contractors and the wider supply chain to deliver practical, technically robust engineering solutions. This is a long-term freelance opportunity offering significant flexibility around location and remote working. The role will be based from Watford , although significant flexibility is available around remote working. Some initial time in the office will be required for...
Randstad Construction and Property
23 Sep, 2026
Temporary
Section Engineer
£425 - £450 daily
Randstad Construction and Property Newham, Chathill NE67 5LF, UK
Section Engineer Location: East London Immediate start Randstad is recruiting for an experienced Section Engineer with strong Rail or Civils expertise to support a rail upgrade project in East London You will be joining a prestigious contractor, working on a combination of civils and building / M&E works within a live rail environment. Key Responsibilities: Managing engineering activities, subcontractors, and/or self-delivery teams Planning, forecasting, and delivering works to programme Liaising effectively with clients, designers, and other key stakeholders Developing and maintaining programmes, risk assessments, and quality assurance documentation Overseeing design coordination, NCRs, RFIs, and health & safety compliance Essential Experience: Significant hands-on experience delivering rail projects Strong technical knowledge and the ability to manage works independently Excellent communication and stakeholder management...
Randstad Construction and Property
23 Sep, 2026
Contract
Site Manager - Windsor
£400 - £450 daily
Randstad Construction and Property Eton, Windsor SL4, UK
Site Manager (Water Treatment Works) Location: Windsor Rate: 400 - 450 per day (LTD / Outside IR35) Duration: 3 Months Initial (Strong potential to move onto subsequent framework schemes) Start Date: Immediate / ASAP Project Overview We are seeking an experienced Site Manager to oversee the construction phase of a new extension to an operational Water Treatment Works (WTW). You will join a fully resourced, collaborative site team-working alongside a Senior PM, PM, Project Engineer, General Foreman, and Supervisors-to drive front-line delivery, subcontractor performance, and rigorous site safety standards. Key Responsibilities Site Delivery: Manage day-to-day site operations for the building extension, coordinating civils, RC structures, groundworks, and building envelope workstreams. Team & Subcontractor Leadership: Direct trade gangs and subcontractors, working in tandem with the General Foreman and Supervisors to keep production aligned with...
Randstad Construction and Property
23 Sep, 2026
Contract
Design Engineer
£300 - £450 daily
Randstad Construction and Property Vale of Glamorgan, UK
Randstad is recruiting a Civil Design Engineer on behalf of an in-house engineering consultancy for a leading tier-one contractor in Bridgend. Supporting a growing portfolio across water, power, heavy industrial, and design-and-build infrastructure, this role offers a flexible environment where you can deliver complex technical designs while benefiting from a strong work-life balance. The Role Reporting to a Senior Engineer, you will support the technical delivery of design packages from concept through to detailed design and construction support. Your day-to-day will involve: Detailed Design & Calculations: Preparing clear design calculations, technical reports, drawings, and deliverables in full accordance with Eurocodes and UK standards. BIM & Software Integration: Utilizing modern design software (such as STAAD Pro, FEM Analysis, or Autodesk Robot) within a BIM-led design framework. Project Delivery: Managing your own work packages to meet time,...
PCR Digital
22 Sep, 2026
Contract
Senior Platform Engineer (Cloud Media Platforms)
£450 - £470 daily
PCR Digital London, UK
Senior Platform Engineer (Cloud Media Platforms) Start ASAP (within 2-4 weeks notice) expected duration 6+ months initially London- Hybrid 2/3 days typically wfh/West London (Apply online only)pd Outside IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. Prior experience in the media broadcasting industry, specifically with digital asset management, Cloud NAS, and video ingest or similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands-on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Senior Platform Engineer (Cloud Media Platforms)...
Aldwych Consulting
22 Sep, 2026
Contract
Senior Civil/Structural Design Engineer
£40.00 - £50.00 hourly
Aldwych Consulting Vale of Glamorgan, UK
Freelance Principal Civil / Structural Engineer Location: Bridgend / South Wales - Hybrid & Remote Working Rate: 40- 50 per hour Umbrella Contract: Freelance Long-Term Opportunity I'm working with a major engineering and construction organisation that is looking to bring an experienced Principal Civil / Structural Engineer into its internal design consultancy on a freelance basis. The design team supports major projects across a range of sectors, including water, heavy industrial, power and wider design-and-build infrastructure . You'll work closely with construction teams, clients, contractors and the wider supply chain to deliver practical, technically robust engineering solutions. This is a long-term freelance opportunity offering significant flexibility around location and remote working. The ideal candidate would be based within the Swansea to Bristol corridor , although candidates further afield will be considered. Some initial time in the Bridgend...
AP
22 Sep, 2026
Contract
Senior Authorised Person
£500 - £600 daily
Astute People United Kingdom
Astute's Power Team are currently recruiting for a Senior Authorised Person to join the EPC Contractor on the new build Energy from Waste Turbine project based in Scotland. The day rate for the SAP position is from 500.00 to 600.00 per day outside of IR35. Role responsibilities and key skills for the role: Act as the SAP for 11kV systems under company and DNO/IDNO authorisation. Carry out switching operations, issue safety documents (PTW, SFT, LOA), and ensure all HV works are executed safely. Supervise and coordinate HV commissioning activities, including protection testing, cable terminations, and system energisation. Liaise with project managers, design engineers, and client representatives to ensure HV milestones are achieved. Ensure all work is carried out in line with statutory regulations, industry standards, and internal HSEQ policies. Maintain up-to-date HV records, test results, and safety documentation. Provide technical leadership and mentoring to...
AT
22 Sep, 2026
Contract
Senior Civil Engineer
£40.00 - £50.00 hourly
Advance TRS United Kingdom
Senior Civil Engineer - Contract Location: London, Warwick or Manchester Working Pattern: Hybrid Contract: Contract / Interim Sector: Power / Infrastructure, with potential Nuclear & Defence opportunities About the Role We are seeking an experienced Senior Civil Engineer to join our client who are a market leading consultancy and within the Civil & Structural team during a busy period of project delivery. This contract opportunity would suit a civil engineer who can quickly integrate into an established project environment, take ownership of defined design packages and deliver high-quality work independently with minimal supervision. The initial focus will be on Power sector projects, with civil engineering activities associated with substations and wider infrastructure. There may also be opportunities to support Nuclear and Defence projects, subject to the required security clearance. Key Responsibilities Deliver civil engineering design packages across a...
DG
22 Sep, 2026
Contract
AI Engineer
£400 - £460 daily
Damia Group Ltd United Kingdom
AI Engineer - 3 months - Circa 450 per day inside ir35 - Remote Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment Lead the practical design, prototyping and evaluation of OpenAI-powered solutions to augment Cyber Security Operations Centre (SOC) activities. The role will work alongside the AI Solution Architect and Business Analyst to translate discovery findings into working proof-of-concepts, validate technical feasibility, and assess how Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), assistants and agentic AI approaches can safely support SOC analysts and cyber operations. The role will focus on the application of OpenAI technologies to real-world cyber use cases, ensuring solutions are secure, responsible, measurable and aligned to operational requirements. Key Skills OpenAI platform and API development Large Language Models (LLMs) and Generative AI Prompt...
  • Home
  • About Us
  • Recruitment Blog
  • Terms & Conditions
  • Privacy & Cookies Policy
  • Employer
  • Post a Job
  • Job Board Advertising Packages
  • Diversity, Inclusion & Equality (ED&I) Articles
  • Sign in
  • Contact Us | Recruiters
  • Job Seeker
  • Find Jobs
  • Upload CV
  • Job Seeker Help & Advice
  • Equal Opportunities Monitoring Form
  • Sign in
  • Contact Us | Jobseeker
  • Facebook
  • X / Twitter
  • LinkedIn
© 2026 DIjobs Limited  |  3rd Floor, 86-90 Paul Street, London EC2A 4NE  |  Company Registration: 13316146  |  VAT No: GB 377358650
Diversity Job Board | Inclusion | Equality | ED&I | DEI | EDI | D&I | DEIB | IDEA | BDI | Jobboard | Vacancies | Diversity Jobs | Careers | Jobsite | Diversity and Inclusion Job Boards | Find a New Job | Job Search with DIjobs