Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Refine by IR35 Status
Unknown Status 12 Inside IR35 5 Outside IR35 4
Refine by Categories
Engineering 12 Construction 4 Accounting 2 Information Technology 1 Insurance 1 Management 1
Refine by Job Type
Contractor 21
senior mechanical estimator

21 senior mechanical estimator jobs found

CL
Sep 03, 2026  
Senior Mechanical Estimator
Senior Mechanical Estimator – Net Zero Teesside Role Purpose Responsible for pricing change, capturing operational risks, and ensuring the accurate and effective delivery of estimating services during project execution, in compliance with contract requirements and project estimating strategies. Key Responsibilities Act as a senior member of the Estimating team, managing workload and allocating estimating resources across assigned bid teams. Undertake the role of Estimator where required. Support customer cost forecasting and reporting requirements. Review drawings and specifications to prepare accurate cost estimates for labour, materials, equipment and plant. Review contract requirements and ensure all financial information and compliant technical proposals are included. Establish key plant rates and agree estimating methodologies with engineering and planning teams. Carry out detailed analysis of subcontractor quotations and pricing submissions. Prepare preliminary and...
IR35 Status:
Unknown Status

CV-Library Middlesbrough, UK Contractor
CL
Sep 03, 2026  
Senior Mechanical Estimator
Are you an experienced professional passionate about driving the green energy transition? We are actively seeking a highly skilled Senior Mechanical Estimator to join our dynamic team on a mission-critical project. As we work on a large-scale, first-of-its-kind carbon capture initiative, we need a dedicated expert to help us shape the future of sustainable infrastructure. Role Overview In this pivotal role, you will be responsible for precise cost estimation, managing operational risks, and ensuring the effective delivery of estimating services. You will act as a senior leader within the bid team, providing technical advice and mentoring others to achieve excellence. This is a high-priority position, and we are looking to expedite the hiring process to ensure the successful delivery of this flagship project. Key Responsibilities Lead the estimation process, including pricing changes and interrogation of complex design options. Assess installation times for large-scale equipment...
IR35 Status:
Unknown Status

CV-Library Middlesbrough, North Yorkshire Contractor
CL
Sep 03, 2026  
Senior Mechanical Estimator
We are currently recruiting for an experienced Senior Mechanical Estimator to join a major project team working on the Net Zero Teesside development. This is a senior estimating position with responsibility for leading and managing the estimating process across assigned bid teams, ensuring accurate, commercially robust pricing and effective cost forecasting. You will play a key role in developing competitive tenders, identifying operational and commercial risks, and delivering high-quality estimating solutions in line with contractual requirements. This is an excellent opportunity for an experienced Mechanical Estimator with a strong background in major industrial, energy, petrochemical, nuclear or other highly regulated projects. Key Responsibilities Lead the estimating function within assigned bid teams and manage estimating resources. Undertake estimating activities directly where required. Review drawings, specifications and technical information to develop accurate cost...
IR35 Status:
Unknown Status

CV-Library Redcar, Redcar and Cleveland Contractor
CL
Sep 04, 2026  
Product Delivery Manager - Electromagnetic Engineering Digital
Product Delivery Manager - Electromagnetic Engineering Digital Contract: Initial 6 Months Day Rate: Circa £600 Inside IR35 Location: Hybrid (Reading as required) Start Date: ASAP Security Clearance: Active SC clearance We are looking for an experienced Product Delivery Manager - Electromagnetic Engineering Digital to lead the development and delivery of digital engineering capabilities supporting advanced Electromagnetic Engineering within a highly regulated aerospace and defence environment. This is a strategic and technically engaging role, responsible for shaping the digital toolchains, architectures, and environments that underpin Radar Cross Section (RCS), Low Observability (LO), infrared signature, EMC/HIRF, lightning effects, antenna and RF aperture integration, radome performance, RF propagation, and electromagnetic materials. Key Responsibilities Own the delivery and continuous improvement of digital capabilities supporting Electromagnetic Engineering. Develop and...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Sep 04, 2026  
Senior Design Engineer
Senior Design Engineer Location: Portsmouth Contract: Long‑term contract, 12 months. Industry: Defence / Maritime Engineering We're looking for an experienced Mechanical/Piping Design Engineer to support major upgrade and installation projects on legacy Royal Navy warships. This is a fantastic opportunity for someone who enjoys hands‑on engineering, detailed design work, and contributing to high‑impact defence programmes. If you have strong mechanical/piping design experience and enjoy solving complex engineering challenges, this contract role will give you the chance to make a real contribution to critical maritime capability. What you'll be doing Producing detailed mechanical and piping designs for ship systems, ensuring accuracy, compliance, and manufacturability. Supporting and leading ship surveys, trials, and onboard engineering activities. Reviewing and checking design outputs produced by other engineers. Investigating technical issues and developing practical...
IR35 Status:
Unknown Status

CV-Library Portsmouth, Hampshire Contractor
CL
Sep 04, 2026  
Technical Project Manager
Technical Project Manager Location: Pitstone, England Contract: 6 months Working Pattern: Full-time, on-site We are currently recruiting for a Technical Project Manager to join an engineering team supporting major development programmes. The role will involve taking ownership of defined work packages and coordinating cross-functional teams to ensure projects are delivered against Quality, Cost and Schedule (QCD) objectives. This is an excellent opportunity for an experienced Project Manager with an engineering background to work across a varied portfolio, supporting development programmes, legacy projects and continuous improvement initiatives. The role also offers a structured development pathway towards Senior Project Manager level. Key Responsibilities Own and deliver defined Work Packages against agreed QCD objectives. Coordinate cross-functional engineering and project teams within a matrix environment. Develop and maintain project plans, schedules, milestones and work...
IR35 Status:
Unknown Status

CV-Library Buckinghamshire, UK Contractor
CL
Sep 03, 2026  
Interim Senior Technical Accountant
My Local Government client is looking to recruit a Senior technical accountant to join them on an interim basis for a period of 6 to 9 months. Reporting into the Head of Corporate Finance, the role will be responsible for leading and managing the accountancy, budgetary and financial support to the council as well as ensuring compliance with relevant accounting standards, CIPFA guidance and legislative requirements, including production of final accounts, budget estimates and development/ maintenance of budgetary control systems. Duties will include: 25/26 Close down as well as manage next years close down as well Produce the annual statement of accounts and other statutory returns Liaise and manage external auditors Provide budgetary and financial support Research new and significant accounting requirements and draft responses to relevant government consultations, such as changes to funding, financial policies and/or procedures.To be considered for the role you will need to be a...
IR35 Status:
Unknown Status

CV-Library South West England, UK Contractor
CL
Sep 03, 2026  
Principal Substation Primary (HV Plant) Design Engineer
We are currently seeking an experienced Principal Substation Primary (HV Plant) Design Engineer to join a high-performing engineering team delivering major electricity transmission and substation projects. Candidates are required to hold an active BPSS clearance to be considered for this role! This is an excellent opportunity for an experienced primary plant engineer to take a senior technical leadership role across complex transmission-scale projects, while also contributing to team development, client relationships, tendering and business growth. The Role As Principal Primary Design Engineer, you will lead the delivery of FEED and detailed design workstreams for major electricity transmission substation projects. You will provide technical leadership across the HV primary plant discipline, working closely with multidisciplinary engineering teams, clients, suppliers and subcontractors to ensure technically robust and compliant solutions are delivered. Your responsibilities...
IR35 Status:
Unknown Status

CV-Library Glasgow, UK Contractor
CL
Sep 03, 2026  
Principal Substation Secondary (P&C) Design Engineer
We are currently seeking an experienced Principal Substation Secondary (Protection & Control) Design Engineer to join a high-performing engineering team delivering major electricity transmission and substation projects. Candidates are required to hold an active BPSS clearance to be considered for this role! This is an excellent opportunity for a senior P&C engineer to take a leading technical role across complex, transmission-scale projects, while also contributing to team development, client relationships, tendering and business development. The Role As Principal P&C Design Engineer, you will lead the delivery of FEED and detailed design workstreams for major substation projects, ensuring engineering solutions are technically robust, compliant and delivered to the required standards. You will provide technical leadership to the P&C team while working closely with multidisciplinary engineering, project management, commercial and delivery teams. Key...
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands Contractor
CL
Sep 03, 2026  
Project Accountant
Project Accountant 12-Month Contract | Inside IR35 | London (Hybrid) | £400 - £600 per day A leading organisation delivering a major UK infrastructure programme is seeking an experienced Project Accountant to join its project finance team on a 12-month contract basis. This is an excellent opportunity to work on a high-value, complex programme where finance plays a critical role in supporting project delivery, commercial decision-making, and long-term financial performance. We're looking for a commercially minded finance professional who is comfortable operating within a fast-paced project environment, providing insight, challenge, and financial leadership to senior stakeholders. The Role As Project Accountant, you will act as the finance lead for a significant project portfolio, supporting project managers and business leaders across all aspects of project financial control. Key responsibilities will include: Management of project forecasts and Estimate at Completion (EAC)...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Sep 03, 2026  
Contracts Manager
Contract Manager Luton Contract - 6 Months Salary £60.00 per hour Umbrella ARM has an exciting opportunity for a Commercial Officer to join a fast paced team at a Global Defence Company. The Role: Provide strategic and tactical oversight to a number contracts and bid activities. Drafting, negotiating and administration of complex terms and conditions of contract, working with Procurement counterparts to ensure appropriate flow through with subcontractors. Produce accurate and compliant customer pricing by applying the appropriate pricing strategy and model to cost estimates. Preparing proposals for submission to Customers in conjunction with the preparation of internal documentation required to obtain bid approval. Ensuring adherence to commercial and business processes. Build and maintain mutually beneficial relationships with colleagues and customers to deliver the value to the company. Managing own workload, highlighting areas of conflict or priority and effectively...
IR35 Status:
Outside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Sep 03, 2026  
Junior Estimator
Junior Estimator (Temp to Permanent) Location: HU9 Area, Hull Salary: £26,000 - £31,000 DOE Hours: Monday-Friday 8.30 - 17.00 Our valued client is looking to recruit a Junior Estimator to join their team on a temp-to-permanent basis in the HU9 area of Hull. This is an excellent opportunity for someone with construction, manufacturing or building industry knowledge, alongside some estimating experience or exposure, who is looking to build a long-term career in estimating. Working closely with an experienced Estimator, the successful candidate will receive ongoing training and mentorship, with the aim of developing into a fully-fledged Estimator over the coming years. The Role Assisting with the preparation of project estimates and costings Reviewing drawings, specifications and tender documentation Supporting material take-offs and supplier quotations Liaising with suppliers and internal departments Assisting in producing accurate pricing for projects Learning the full...
IR35 Status:
Unknown Status

CV-Library Kingston Upon Hull, East Riding of Yorkshire Contractor
CL
Sep 03, 2026  
Senior Mechanical / Project Engineer
Senior Mechanical Project Engineer – Contract – West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the hydrocarbon and clean energy sectors. The role requires a Mechanical and Piping discipline background but also strong Project Engineering skills. Needs a person who is comfortable with both the design and co-ordination aspects of energy projects. Our client is based in West Wales and can accommodate a hybrid working pattern. This role is deemed to be outside IR35. Role & Responsibilities * Interact with Mechanical Package vendors, ensuring compliance with agreed design standards and requirements. * Responsible for bid evaluation and negotiation of vendors for Mechanical and Piping packages. * Also accountable for design specification management throughout the project design phase. * Participate in relevant meetings such as Design Reviews, Model Reviews and HAZIDs. *...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Sep 02, 2026  
Estimator
NES Fircroft are currently recruiting for an Estimator for civil engineering and construction projects. This is a position with our client, who are a global, industry leader in the energy technology.  Estimator Contract position: Outside IR35 Location: Didsbury, Manchester Duration: 9 month contract initially Purpose of the role The Estimator’s role is to support the Pre Construction Manager in preparing estimates for civil engineering and building works for Electricity Transmission Substations and High Voltage Direct Current Interconnector Convertor stations in accordance with company bidding/estimating systems and procedures. Working predominantly with the Pre Construction Manager, but liaising with other members of tendering & engineering teams as deemed appropriate according to the specific tender, to develop customer and company requirements to secure value solutions in support of the wider tender to meet the company's objectives. Responsibilities...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Sep 02, 2026  
Technical Project Manager
Technical Project Manager x 3 Pitstone, Hertfordshire £55.00 - £65.00 per hour inside IR35 Description The Project Manager (Technical) is a key delivery role within the office. Rather than being permanently assigned to a single programme, PMs (Technical) are deployed flexibly across the portfolio by the Engineering Acceleration Manager - directed to where they are most needed at any given time, whether that is supporting an active development programme, managing a legacy or historic programme through to close-out, or contributing to PCE Office improvement initiatives. Tasked by the Senior Project Manager (SPM) of the assigned programme, the PM (Technical) takes ownership of defined Work Packages and is responsible for ensuring delivery within Quality, Cost, and Schedule (QCD) objectives. They serve as a core member of the Integrated Project Team (IPT), coordinating day-to-day project activities, managing risks, tracking actions, and maintaining project data. This role is...
IR35 Status:
Inside IR35

CV-Library Hertfordshire, UK Contractor
CL
Aug 30, 2026  
Tooling Design Engineer
Tooling Design Engineer - £35.80/hr (Inside IR35) - Warwickshire (hybrid potential) - 9 Months (potential for yearly renewal) Overview We are seeking a highly skilled and experienced Tooling Design Engineer to join a premium automotive client on a contract basis. This role is integral to the design and manufacturing process, requiring expertise in engineering design, tooling, and manufacturing processes. The successful candidate will play a key role in ensuring the highest standards of design, manufacturability, and quality are met. Responsibilities Design for manufacture, including tooling design and hands-on practical skills. Create and manage technical blueprints, drawings, layouts, and simulation models using CAD/CAM/CAE software. Capture, define, and control all GD&T information, significant characteristics, and critical characteristics. Collaborate with teams to select suitable materials for sub-components. Perform calculations and testing to support fixing designs...
IR35 Status:
Inside IR35

CV-Library Warwickshire, UK Contractor
CL
Aug 30, 2026  
Project Manager Construction
About the role Construction Logistics Group is looking for an experienced Project manager. This is a 2-3 month opportunity in Rickmansworth partnering with Tilbury Douglas. Required Skills and Qualifications Hard Skills * Project scheduling and budgeting * Blueprint and technical plan interpretation * Construction software proficiency (Procore, MS Project, AutoCAD) * OSHA standards and building code knowledge * Contract negotiation and vendor management * Cost estimation and risk assessment Soft Skills * Leadership and team coordination * Strong communication * Attention to detail * Conflict resolution * Time management and multitasking Desired experience: 5–10 years in construction roles such as project engineer, assistant project manager, or superintendent
IR35 Status:
Unknown Status

CV-Library Rickmansworth, Hertfordshire Contractor
CL
Aug 30, 2026  
C&I Engineer
ADDISON PROJECT PLC – C&I Engineer, Daresbury office For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place for you. WORKSCOPE Addison Project Plc are seeking C&I (Control and Instrumentation) Engineering Services from (PSC) contractors who have UK Onshore experience...
IR35 Status:
Outside IR35

CV-Library Daresbury, Borough of Halton Contractor
CL
Aug 28, 2026  
Quality Control Engineer - Manufacturing
Quality Engineer / Supplier Quality Engineer - Nuclear £40.00 - £55.00 per hour (Inside IR35) 12-Month Contract SC Clearance Required Are you an experienced Quality Engineer with a background in manufacturing, supplier quality, or inspection within highly regulated industries? We are seeking a skilled professional to support the delivery of complex engineering projects, ensuring quality standards are maintained throughout the manufacturing and supply chain process. This is an excellent opportunity to play a key role in the quality assurance of specialist mechanical and electrical assemblies, working closely with suppliers across Europe and supporting projects within the UK nuclear sector. The Role As a Quality Engineer, you will provide independent quality assurance support across multiple engineering projects, ensuring supplier quality arrangements, manufacturing processes, inspections, and supporting documentation fully comply with customer and project requirements....
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Aug 28, 2026  
Project Design Engineer
Our client is currently seeking a Project Design Engineer to join their team on a contract basis. This role is crucial for leading the design and delivery of highways and transport projects, focusing on producing high-quality engineering designs using AutoCAD (2D), and supporting or interpreting 3D design outputs as required. Purpose of the Job: The primary purpose of the role is to develop schemes from feasibility through to detailed design and construction, ensuring projects are delivered in line with council standards, industry best practices, and within agreed time, cost, and quality constraints. You will report to the Principal Engineering Manager and play a vital role in shaping the borough's infrastructure. Key Responsibilities: Undertake and lead detailed highway design using AutoCAD (2D), including general arrangements, setting out, levels, and construction details. Support 3D design elements by collaborating with specialists where necessary. Develop design solutions...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software