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Inside IR35 mechanical engineer

122 mechanical engineer jobs found

CL
Mar 15, 2026  
Mechanical Engineer Building Services
Mechanical Engineer - Building Services Mechanical Engineer is required. A background in mechanical design from a Mechanical Contractor or Building Services Consultancy or process industry background is required. Contract role * £43.75ph - £46.87ph(£350-£375 per day) We require someone to hit the ground running, so only able to accept applications from local individuals with 10 years of experience in mechanical building services, commercial HVAC design engineering, or process industry, such as Oil & Gas, involving pipework, valves, pumps, and structural engineering. The Role * As a mid-level individual, you will ensure the governance of designs, accuracy, feasibility, and structural integrity * Equipment selection * Check and submit client submittals and manufacturing drawings, ensuring BOM accuracy * Prepare accurate specifications and reports * Designing solutions for mission-critical infrastructure data centre applications * Manage the change control process,...
IR35 Status:
Inside IR35

CV-Library WR1, Worcester, Worcestershire Contractor
CL
Mar 14, 2026  
Mechanical Engineer
Mechanical Engineer (Standalone Mechanical Role) - 6 months - Leven - £505 per day inside IR35 Key Responsibilities: Overseeing installation of mechanical equipment involved in the new production line Working closely with contractors, principal contractor, and principal designer Providing mechanical expertise across project stages Participating in technical discussions and decision-makingPreferred Background: FMCG, ideally bottling industry experience Qualifications: Mandatory: Time-served apprenticeship or strong mechanical engineering experience Preferable: HND/degree in Mechanical Engineering Hours: Mon-Thu: 8am-5pm Fri: Typically finish between 3-4pmMechanical Engineer (Standalone Mechanical Role) - 6 months - Leven - £505 per day inside IR35 Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website....
IR35 Status:
Inside IR35

CV-Library Leven, Fife Contractor
CL
Mar 11, 2026  
Mechanical Project Engineer
Mechanical Project Engineer - 6 month contract (inside IR35 PAYE) - Aberdeen My client are looking for an experience Mechanical Project Engineer to join their Project Team and work along with Project Managers / Electrical / Civil Engineers to deliver Mechanical, Electrical, Instrumentation, Control & Automation Projects for Wastewater Treatments around Aberdeen areas. You will be responsible for managing and delivering some mechanical projects yourself and also to support others to manage the design and delivery of mechanical scope for their projects. Knowledge & Skills Mechanical Engineering Knowledge and Experience is essential, good to have some Electrical or Civil Engineering Knowledge. Steel Frame and Pipework Fabrication Design and Installation is a must Oil, Gas or Water sector experience Highly competent in Microsoft Excel, Word and PowerPoint Effective communication in both writing and verbally Understand H&S requirement for each specific project and...
IR35 Status:
Inside IR35

CV-Library Aberdeen, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Military Packaging Design Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 14, 2026  
Mechanical Design Engineer Building Services
Mechanical Design Engineer - Building Services Mechanical Design Engineer is required to join a design and build contractor. A background in mechanical building services design from a Mechanical Contractor or Building Services Consultancy background is required. Contract role * £37.5ph - £43.75ph (£300-£350 per day) We require someone to hit the ground running so only able to accept applications from local individuals with mechanical design experience in building services or HVAC. The Role * You will be a valued addition to the existing team of busy mechanical design engineers * Production of Solidworks 3D models from initial conceptual designs, pipework, HVAC equipment arrangement * Preparation of 2D Auto CAD and 3D drawings Hours: 38-40 hours, early finish on Fridays You * Ideally highly experienced using Solidworks or similar 3D design package * An experienced Mechanical Design Engineer, Designer, Draughtsman, CAD Technician, REVIT Technician * Likely to have...
IR35 Status:
Inside IR35

CV-Library WR1, Worcester, Worcestershire Contractor
CL
Mar 13, 2026  
Mechanical Design Engineer (HVAC)
Mechanical Design Engineer (HVAC) Immediate Start - 6 Month Fixed Term Contract £40-£60 per hour, Inside IR35, 38 Hours per Week - Mon-Fri Commutable from: Worcester, Droitwich Spa, Kidderminster, Stourbridge, South Birmingham, Solihull, Redditch, Stratford-upon-Avon, Evesham, Tewkesbury, Bromyard, Leominster Are you a Mechanical Design Engineer with experience in HVAC, available for an immediate contract role, working 38 hours per week, Monday-Friday? This is an exciting opportunity to join a global market-leader, renowned for innovation and high-value engineering projects across the UK and Europe. You will be contributing to the design of bespoke HVAC systems and plantroom mechanical components, and ensuring BOMs & all technical documentation are accurate and fully controlled. You will manage engineering drawing revision control, support 2D/3D design in SolidWorks, liaise with internal stakeholders and customers, and ensure seamless collaboration between design and...
IR35 Status:
Inside IR35

CV-Library Worcester, Worcestershire Contractor
CL
Mar 11, 2026  
Mechanical Maintenance Engineer (Manufacturing)
Electrical Maintenance Engineer (Manufacturing) Port Talbot £35 per hour (Umbrella) Inside IR35 3 month initial contract with extension opportunities Excellent opportunity for a Mechanical Maintenance Engineer from a manufacturing background looking to join a truly market leading company with an immediate start for an initial 3 month contract. Do you have maintenance experience within a manufacturing environment with a wide range of mechanical equipment? Are you looking for an immediate start on a 3 month contract in an automated FMCG environment? This company are a global manufacturer who supply customers the world over. They have a state of the art manufacturing site that has a range of high tech automated equipment after recent investment and are rapidly growing despite operating for over 70 years. Due to their continued success they are now looking to add to their specialist team. In this role you will be working as part of an established maintenance team where you will...
IR35 Status:
Inside IR35

CV-Library Port Talbot, Neath Port Talbot Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractor on an initial 6 month contract. Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: 4 days a week likely onsite (likely could be lower on a week by week basis; depending on work). 1 day remote. (flexible on start and finish time). A compressed 4 day week (Monday to Thursday) a possibility. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Dec 19, 2025  
Tooling Design Engineer (Mechanical Design)
World Class Defence Organisation based in is currently looking to recruit 2x Tooling Design Engineer subcontractors.   This role would suit a Mechanical Design Engineer who has Tooling and Creo experience.  Previous experience of working in the defence or aerospace industry would be great.   Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bolton or Stevenage – depending on your preference   Hybrid / Remote working: The role will be a mix of onsite and remote working Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Tooling Design Engineer Job Description:   You will be part of a high performing team. You will be creating Tooling solutions on a wide variety of projects. This is a critical role collaborating with wider multi-disciplinary teams to understand...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 19, 2025  
Tooling Design Engineer (Mechanical Design)
World Class Defence Organisation based in is currently looking to recruit 2x Tooling Design Engineer subcontractors.   This role would suit a Mechanical Design Engineer who has Tooling and Creo experience.  Previous experience of working in the defence or aerospace industry would be great.   Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bolton or Stevenage – depending on your preference   Hybrid / Remote working: The role will be a mix of onsite and remote working Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Tooling Design Engineer Job Description:   You will be part of a high performing team. You will be creating Tooling solutions on a wide variety of projects. This is a critical role collaborating with wider multi-disciplinary teams to understand...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Feb 24, 2026  
Workshop Engineer
General Engineering Workshop Technician Engineer Contract Opportunity – Defence Engineering Ceto Talent is recruiting for a General Engineering Workshop Technician Engineer to support a long-term Defence engineering programme based full time onsite in Stafford. This contract offers stability through to August 2026 and hands-on involvement with critical Ground Support Equipment used in operational environments. This General Engineering Workshop Technician Engineer role suits an experienced mechanical engineer who is comfortable working in a regulated, heavy engineering setting and enjoys fault finding, refurbishment and complex repair activity. Contract Details * Job Title: General Engineering Workshop Technician Engineer * Location: Stafford – full time onsite * Contract Length: Until mid-August * IR35 Status: In scope * Pay Rate: £21.52 per hour (Umbrella) The Role As a General Engineering Workshop Technician Engineer, you will form part of a specialist...
IR35 Status:
Inside IR35

CV-Library Hopton, Staffordshire Contractor
CL
Mar 14, 2026  
Design Engineer
Are you looking for a new contract assignment? Do you have experience designing mechanical components and systems for the aerospace industry? If so, this position could be perfect for you! Our client (a growing, well-respected, and market-leading aerospace manufacturing organisation) is looking to recruit several mechanical design engineers on a contract basis to support with a large package of work. Contract Aerospace Mechanical Design Engineer Inside IR35 Contract 6-month Contract Duration Bristol - 4 days on site (1 WFH) Multiple Positions Available Contract Aerospace Mechanical Design Engineer Job Description Design and develop a range of mechanical high precision components Prepare scheme drawings, and detail manufacturing drawings for production Perform mechanical component development and integration Solve a variety of mechanical engineering issues and improve existing designs Utilise CATIA V5Contract Aerospace Mechanical Design Engineer Essential...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 14, 2026  
Principal Maritime Structural Engineer
Role: Prinicipal Structural Engineer Location: Gosport-onsite Duration: 6 months Rate: £600-£700/day Inside IR35: Umbrella About our Client: Our client is a leading company in defense and aerospace technology, specializing in cutting-edge research, testing, and innovation across multiple sectors. They are known for their state-of-the-art facilities and highly skilled workforce, making them a key player in advancing technology and delivering high-quality solutions. The Role As a Principal Maritime Structural Engineer, you'll be responsible for delivering work streams whilst guiding a mixed discipline engineering team. Ultimately enabling the engineering delivery of a large multi-year high profile maritime project within the Maritime defence sector. Day-to-day, you will use Finite Element Analysis (FEA) to model and assess the structural response of submarine propulsors under quasi-static and dynamic conditions. Responsibilities include developing and reviewing FEA models,...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
Mar 13, 2026  
Senior Engine Control Software Engineer
Senior Engine Control Software Engineer Location: Hethel, UK Contract: Inside IR35 | 3 Month Contract Role Summary The Senior Engine Control Software Engineer will play a pivotal role within a high-performance powertrain environment, leading the design and delivery of embedded control software for next-generation V6 and V8 turbocharged engines and transmission platforms. This Senior Engine Control Software Engineer position focuses on robust, production-level ECU software, ensuring quality, compliance, and performance across demanding operating conditions. Role & Responsibilities Lead development of embedded engine control software for advanced propulsion systems Implement control and diagnostic software for new engine and transmission features using C/C++ Collaborate with Controls Design Engineers, Systems Engineers, and Architects to define and align software and functional architectures Develop, test, and maintain production-level ECU software ensuring MISRA compliance...
IR35 Status:
Inside IR35

CV-Library Norwich, UK Contractor
CL
Mar 08, 2026  
Product Delivery Manager - System Engineering
Product Manager - Systems Engineer +6 months + +Hybrid working in Reading +SC cleared role +£83 ph +Inside IR35 We are looking for an experienced Product Manager - Systems Engineer to lead the delivery and evolution of digital engineering capabilities that support the Safety pillar across the enterprise. This role focuses on enabling model-based safety engineering and embedding Safety into the Digital Thread - replacing document-centric approaches with authoritative models that provide end-to-end traceability from safety objectives and requirements through architecture, analysis, verification, and compliance evidence. Key Responsibilities Deliver and continuously improve Safety toolchains (FHA, FMEA/FMECAs, FTA, STPA, safety requirements, safety case tooling, configuration/change control, V&V orchestration) Define Safety reference architectures and technical baselines Ensure full Digital Thread integration and traceability across requirements, models, test, and...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Feb 05, 2026  
Technical Author
World Class Defence Organisation is currently looking to recruit a Technical Author subcontractor on an initial 12 month contract.  The role will be predominately working remotely from home.   Rate: £43.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be 2 or 4 days per month in the office and the rest remote.  (some flexibility on this may be needed). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: 2 Stage interview process. Initial Virtual or onsite – 2hrs. Author Test & meet the team - onsite for successful candidates.   Technical Author Job Description: To write technical documentation in Standard Generalised Mark-up Language (SGML), Extensible Mark-up Language (XML) and traditional formats for the Company's products in accordance with...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 15, 2026  
Maintenance Engineer
Janauary 2026 Starts Maintenance Engineer - Electrical / Mechanical / Multi Skilled Location: West Midlands Shifts available: - Days - Double Days - 3 Shift Rotation - 4 Shift Rotation Contract: 6 Months Temp-to-Perm ------These roles are inside IR35------ The Role: We are looking to recruit several Multi-Skilled / Electrical or Mechanical Maintenance Engineers from a conveyor, automated, or fast-paced environment and you will be responsible for ensuring that all production and ancillary machinery, equipment, and power systems operate at maximum efficiency. You must have good electrical or mechanical skills and have prior experience working within a production maintenance capacity. Key Performance Indicators - Equipment reliability and performance - Plant Maintenance (TPM & PPM) Qualifications and Experience - Ideally you will have xxperience with automotive machinery maintenance and fault diagnoses - Mechanical / Electrical / Pneumatics experience - Indentured...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Mar 14, 2026  
Senior Planning Engineer
Senior Planning Engineer  Client: Pharmaceutical Sector Location: Royston, Hertfordshire  Start Date: ASAP Duration: 12 months  Contract Type: Contract Rate: £600 per day (Flexible) – Umbrella PAYE (inside IR35)  The Role We are seeking a highly experienced Senior Planning Engineer with a strong engineering background and expert-level proficiency in Primavera P6. This role requires a candidate who can hit the ground running and take full ownership of project planning activities on site. A background in ME&I (Mechanical, Electrical & Instrumentation) and/or major construction delivery would be highly advantageous. Key Responsibilities Develop, manage, and maintain integrated project schedules in Primavera P6 Work closely with engineering, construction, and project controls teams Conduct critical path analysis and identify schedule risks/opportunities Monitor progress, update programmes, and forecast completion Lead planning meetings and present reports to...
IR35 Status:
Inside IR35

CV-Library Royston SG8, UK Contractor
CL
Mar 14, 2026  
Senior CE&I Engineer
Job title: Senior CE&I Engineer Job Type: Contract IR35 Status: Inside IR35 Start date: ASAP - Subject to vetting Duration: 12 Months Pay rate: Depending on experience Location: Whitehaven, Cumbria Hybrid/Remote Working: Hybrid available - 3 days in office/site Hours of work: Up to 40 hours per week Role information: - An opportunity has arisen for an experienced Snr CE&I Design Engineer with local site experience of supporting Mechanical handling operations and upgrade of existing electrical power systems, and CE&I security-based improvements Qualifications/Experience Required - Hold an HNC/HND in a relevant field - Working experience using CIMAGE - Provide Lessons From Experience (LFE) and apply knowledge of plant constraints throughout the project delivery process. - Review and approve Technical Queries/TOs to enable site works to progress safely and - efficiently. - Produce NFR and feasibility documentation to justify design decisions and undertake formal...
IR35 Status:
Inside IR35

CV-Library Whitehaven, Cumbria Contractor
CL
Mar 14, 2026  
CE&I Design Engineer
Job title: CE&I Design Engineer Job Type: Contract IR35 Status: Inside IR35 Start date: ASAP - Subject to vetting Duration: 12 Months Pay rate: Depending on experience Location: Whitehaven, Cumbria Hybrid/Remote Working: Hybrid working available - 3 days in office/site Hours of work: Up to 40 hours per week Role information: - An opportunity has arisen for an experienced CE&I Design Engineer with local site experience of supporting Mechanical handling operations and upgrade of existing electrical Power systems, and CE&I security-based improvements Qualifications/Experience Required - Hold an HNC/HND in a relevant field - Working experience using CIMAGE - Ensure all plans, drawings, and CE&I deliverables are produced accurately and in line with project requirements. - Manage and maintain design documentation, including drawings and technical - specifications. - Control and coordinate configuration management of engineering deliverables and - associated site...
IR35 Status:
Inside IR35

CV-Library Whitehaven, Cumbria Contractor
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