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Contractor 36
Inside IR35 senior mechanical design engineer

36 senior mechanical design engineer jobs found

CL
Jul 24, 2026  
Senior Mechanical Design Engineer - Farnborough
Senior Mechanical Design Engineer Duration: 6 months Rate: £70 per hour inside IR35 via Umbrella (37 hours per week) Location: Farnborough (Hybrid, travel to Amesbury/ Malvern may be required ad hoc) SC Clearance/ eligibility is required for this position Role Purpose Being a go-to individual within the Allocated Design Team & surrounding SME's, the Senior Engineer - Mechanical Designer's Main role will be leading the delivery of Mechanical Design solutions and taking ownership of delivery on complex tasks, requiring high integrity engineering and managing complex, unusual tasks involving significant challenges. They will explore and test the problem space thoroughly, guiding others in generating their own hardware solutions and be prepared to lead and co-ordinate the reviews and testing of these ideas at design reviews and group critiques to delight customers. The company support numerous Domains, such as Aircraft Modification, Land Platforms Development & Autonomy...
IR35 Status:
Inside IR35

CV-Library Farnborough, Hampshire Contractor
CL
Jul 24, 2026  
Senior Mechanical Design Engineer - Boscombe Down
Senior Mechanical Design Engineer Duration: 6 months Rate: £70 per hour inside IR35 via Umbrella Location: Amesbury Hybrid (travel to Farnborough/ Malvern may be required ad hoc) SC Clearance/ eligibility required Role Purpose Being a go-to individual within the Allocated Design Team & surrounding SME's, the Senior Engineer - Mechanical Designer's Main role will be leading the delivery of Mechanical Design solutions and taking ownership of delivery on complex tasks, requiring high integrity engineering and managing complex, unusual tasks involving significant challenges. They will explore and test the problem space thoroughly, guiding others in generating their own hardware solutions and be prepared to lead and co-ordinate the reviews and testing of these ideas at design reviews and group critiques to delight customers. The company support numerous Domains, such as Aircraft Modification, Land Platforms Development & Autonomy and Ship design. Each Team will have...
IR35 Status:
Inside IR35

CV-Library Amesbury, Wiltshire Contractor
CL
Jul 26, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jul 26, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jul 25, 2026  
Repairs Engineer- Gas Turbines
Rullion Is currently looking to recruit for the following role for one of our global leading clients in their Global Repair Network Team Repairs Engineer Warwick ASAP Start 6 months++++++ Inside IR35 £46 Per hour PAYE/£62 Per hour Umbrella Hybrid Industry - Gas Turbine Our client has an exciting opportunity within the Global Repair Network Team working closely with their external network of MROCs (Maintenance, Repair & Overhaul Centre's) and authorized Repair Vendors. The Repair Engineer (FTC) role within the Repair Network Engineering Team will play a key part in supporting the existing global capability within the Global Repair Network Team as well as future capability developments. Job Role. Support component repair development activities. Assess, investigate and sentence non-conforming components. Support repair scheme amendment/writing and technical variances. Support implementation of improvements & technical solutions (internally & externally). Represent...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jul 23, 2026  
Product Development Engineer
Product Development Engineer - BAE Glascoed Location: Glascoed Positions: x1 Working arrangements: 37 hours Mon- Thu with Fridays off. 7:15am - 5pm -can be flexible Rate: 38.25ph umbrella (inside IR35) Security: BPSS only Skills including electronics design as well as a high degree of competence in mechanical integration and systems engineering / Model Based engineering. What you’ll be doing: • Supporting the product design and systems engineering activities for new and legacy products, including product design and evaluation using systems engineering tools (e.g. MBSE, Pugh Matrices, Fault Tree Analysis (FTA), Design Failure Modes and Effects Analysis (DFMEA)). • Hands on development with energetic materials and munitions to support product design and development activity • Conducting and managing product and process design, development, test, manufacture and evaluation activities, ensuring safety remains the highest priority in the working practices...
IR35 Status:
Inside IR35

CV-Library Glascoed, Pontypool NP4, UK Contractor
CL
Jul 23, 2026  
Senior Mechanical Engineer
Senior Mechanical Engineer -Nuclear Warrington £51-£56 per hour (Inside IR35) Hybrid - 3 Days On Site 12-Month Contract Are you an experienced Senior Mechanical Engineer looking to play a key role on a high-profile nuclear project? We're seeking a talented engineer to join the Plant Facing Design Office (PFDO) team, supporting the development of specialist tooling and equipment used for early retrieval operations within a complex, highly regulated environment. This is an excellent opportunity to contribute to challenging engineering work while collaborating with industry-leading professionals. The Role Working within the PFDO team, you'll support the development of tools and equipment for retrieval operations, while providing technical support to the Principal Engineer. Typical responsibilities include: Producing mechanical design packages for manufacture and installation Developing engineering drawings, method statements and risk assessments Producing technical...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Jul 22, 2026  
Senior Mechanical Handling Engineer
Senior Mechanical Handling Engineer Duration: 12 Months Location: Devenport Dockyard, Plymouth (hybrid) Pay Rate: £63-£70 per hour inside IR35 via Umbrella (35 hours per week) Clearance required: SC Clearance/ eligibility required Summary: To deliver the MoD's submarine and warship programmes, a significant programme of infrastructure investment is required on the Devonport site. The 'Major Infrastructure Projects' (MIP) Business Unit has been established to support this. One of the key scope elements within MIP is establishing a defuel capability for out of service submarines, which is delivered under the programme banner of 14 Dock Readiness. This work comprises of several interrelated projects to develop various multi-disciplinary infrastructure systems, with an overall value more than £100m. The Submarine Defuel Delivery Project (SDDP) sits within the Dock Readiness programme. SDDP provides the Reactor Access House (RAH) which supplies the necessary tools and systems to...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Jul 22, 2026  
Mechanical Design Engineer
Role: Mechanical Design Engineer (Contract) Employment: Contract  Duration: 12 Months Location: Wolverhampton Rates: £55 - £60hr (Inisde IR35) THE ROLE - Mechanical Design Engineer Due to impressive project and program wins, we are seeking to recruit Mechanical Design Engineers to support our client's aerospace engineering operations. You'll need to have strong experience in both conceptual design and detailed drawing of components and assemblies, with experience in aerospace deemed highly valuable. This is an Inside IR35 position that will require on site working due to the nature of the work. DUTIES - Mechanical Design Engineer Design and develop mechanical components and assemblies Create accurate technical drawings and 3D CAD models. Apply GD&T and perform tolerance analysis Participate in DFMEA and risk identification activities. Present design concepts, progress updates and final designs to customers. Collaborate with internal stakeholders to ensure viable...
IR35 Status:
Inside IR35

CV-Library Wolverhampton, UK Contractor
CL
Jul 16, 2026  
Project Engineer
We are currently recruiting for a Junior Project Engineer to support a Northumberland based client. Scope of Work: * Project Engineer will support delivery of a pharmaceutical project involving design, construction and of a packaging hall and warehouse facility * Responsible for delivering defined engineering scopes across both equipment systems and facilities/utilities infrastructure with a focus on mechanical building services and live site tie-ins * Safe execution on a live GMP site * Maintaining compliance with GMP, EHS, regulatory requirements and supporting effective handover to operations Qualifications: * Engineers with projects experience who can own technical workstreams while collaborating with senior engineers and cross functional stakeholders * Degree in an engineering discipline ideally or equivalent experience supporting Capital projects * Proven experience supporting pharmaceutical projects in a GMP regulated environment * Experience with equipment...
IR35 Status:
Inside IR35

CV-Library Dinnington, Newcastle upon Tyne Contractor
CL
Jul 26, 2026  
Senior Designer - Civil & Structures - Nuclear
Senior Civil, Structural & Architectural (CSA) Designer Cumbria | Hybrid Working (1-2 Days Per Week at Westlakes) £41-£45 per hour | Inside IR35 Long-Term Contract | Security Clearance Required Help Shape the Future of One of the UK's Most Important Nuclear Sites Are you an experienced Senior Civil, Structural & Architectural (CSA) Designer looking to work on a project that will safeguard critical infrastructure for decades to come? We're recruiting for an exciting opportunity to join a major programme at Sellafield, supporting the refurbishment of Building B314-a strategically important facility that provides welfare and access to the active areas of the site. This is your chance to contribute to a project that will extend the life of a key operational asset well into the next century. If you enjoy solving complex engineering challenges, leading multidisciplinary teams, and delivering projects in highly regulated environments, we'd love to hear from you. The...
IR35 Status:
Inside IR35

CV-Library Moor Row, Cumbria Contractor
CL
Jul 26, 2026  
Systems Engineer
Systems Engineer £600 - £675 Inside IR35 Hybrid (2 days a week onsite in London office) 6 month initial contract Long term programme (extensions likely)Help deliver complex modelling and decision-support software used across defence, infrastructure, energy and government. SR2 is supporting a software consultancy to bring on an experienced Systems Engineer contractor to lead the design and delivery of scalable software solutions, working closely with customers, engineers and technical stakeholders. The role: Leading the technical delivery of customer projects Designing scalable, secure and resilient system architectures Translating customer requirements into practical technical solutions Working across cloud, integrations, data pipelines and distributed systems Providing technical leadership to multidisciplinary engineering teams Managing technical risk and driving engineering best practiceRequirements: Systems Engineering, Solution Architecture or Technical Leadership...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jul 26, 2026  
Senior Design Engineer
Belcan Engineering Services is hiring on an Inside IR35 basis - 12 month Contract. Catia V5 Design - Hybrid working - Filton, Bristol BS34. As a Senior Design Engineer, you will join a long-term repair and modification programme, supporting the development and definition of wing structural design solutions. In this role, you'll work closely with stress, design, and project teams to deliver high‑quality CAD models and drawings (Catia V5) in support of ongoing repair activities. What You'll Be Doing as a Senior Design Engineer? Creating, updating, and maintaining parametric 3D models in Catia V5 Producing accurate 2D detail and installation drawings Interpreting Airbus stress analysis data and project requirements to develop design solutions Managing interfaces between wing structural components and systems Considering manufacturing and installation constraints within design outputs Contributing to structural repair design activities What You'll Bring Strong proficiency in...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jul 24, 2026  
Senior Devops Engineer
Senior Devops Engineer Rate: Up to £749 per day (Inside IR35) Location: Hybrid/remote (UK-based – National/London 1–2 days/week max for local candidates, less for national candidates) Contract Length: 6 months Security Clearance: Active SC required We are seeking an experienced Senior DevOps Engineer to support a high-profile government programme. This role requires strong hands-on expertise in cloud infrastructure, automation, and modern DevOps practices, working within a secure and highly regulated environment. Key Responsibilities * Design, build, and maintain robust CI/CD pipelines and delivery automation solutions * Manage and optimise Git-based source control workflows across engineering teams * Operate and support production systems on AWS * Implement and maintain infrastructure using Infrastructure as Code (IaC) * Develop automation and tooling using Python to improve operational efficiency * Support live services including incident response,...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Jul 24, 2026  
Senior Electrical Design Engineer
Senior Electrical Design Engineer - 12 month contract - Samlesbury Aerodrome, Lancashire - £47.12 ph UMB or £35 ph PAYE (Inside IR35) The Role As a Senior Electrical Design Engineer you will be part of a team producing the physical product definition to satisfy a set of multidisciplinary system functional requirements, taking account of safety, cost, manufacturing, in-service support and other considerations. Your engineering capabilities will be developed across a range of design skills and product lifecycle stages, working both in a model-based and 2D drawing engineering environment centred on Catia V5. Typically your design capabilities will be developed using: The CATIA V5 Electrical 3D & 2D Design Toolset in the design installation of electrical equipment, routing of electrical harnesses, incorporating support structure and physical separation requirements, taking account of system performance, system safety, system redundancy as well as cost and through-life...
IR35 Status:
Inside IR35

CV-Library Preston, Lancashire Contractor
CL
Jul 24, 2026  
Principal Designer (UI Design, Branding, Digital Product Design)
Principal Product Designer (UI Design & Digital Product Design) £650 per day | Inside IR35 6-month contract London – Hybrid (2 days per week onsite) Overview We're looking for an exceptional Principal Product Designer to play a key role in building a large-scale digital platform from the ground up. This is a rare greenfield opportunity to define the visual identity, interaction patterns and design standards for a suite of modern digital products. Working closely with Product, Engineering and senior stakeholders, you'll create outstanding user experiences while establishing a scalable design system that will underpin the platform for years to come. This role is ideal for a highly experienced designer with exceptional UI and interaction design skills, a strong portfolio of shipped products, and a passion for creating elegant, intuitive experiences at scale. Role & Responsibilities Own and evolve the visual design language across multiple digital products. Create...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jul 24, 2026  
Design Manager
Morson Edge are working with a leading multidisciplinary engineering consultancy to recruit an experienced Design Manager to support the delivery of major water infrastructure projects across the UK. This is a 12-month contract opportunity offering up to £67 per hour (Inside IR35), with hybrid working available. Priority office locations include Epsom, London, Peterborough and Cambridge; however, for the right candidate, consideration will be given to applicants based elsewhere in the UK. Working within a highly regarded Design & Advanced Technology team, you will play a key role in the delivery of complex, multidisciplinary water projects, supporting critical infrastructure programmes across the UK. This opportunity offers involvement in technically challenging projects spanning clean water, wastewater, water reuse and pipeline infrastructure. The Opportunity We are looking to speak with experienced Design Managers who can lead multidisciplinary engineering teams, manage...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jul 24, 2026  
Project Architect
Are you an experienced Project Architect with experience in the nuclear or defence sectors (Or similar)? Ready to shape the future of the UK's most secure and technically demanding infrastructure projects with a large international consultancy? Job Title: Project Architect Location: Aldringham Contract Length: Initial 12-month contract Rate: DoE (This role falls inside IR35) The Opportunity We're recruiting for highly skilled Project Architect to join one of the world's leading design and engineering consultancies. With a strong pipeline of secured work across the UK nuclear and defence landscape working on front-end design. You'll be part of an expert, multidisciplinary team working on high-value defence facilities, secure government estates, and nuclear-grade installations. Whether you specialise in front-end concept design or technical delivery through RIBA Stage 3/4+, your expertise will directly support national capability and resilience. The Role We're looking for...
IR35 Status:
Inside IR35

CV-Library Aldringham, Leiston IP16 4PY, UK Contractor
CL
Jul 24, 2026  
Catia Design Engineer
Senior Design Engineer - Catia V5 Inside IR35 - Hybrid 3 days onsite in Filton,Bristol We are seeking a highly skilled Contract Senior Design Engineer to support Design in Catia V5 for long-term Aircraft CAD based new projects for the future. This is based on development of wing structure definition to structural sizing, interface and project requirements Toolsets. This is an initial 12 month Inside IR35 contract supporting our end client based in our offices in Bristol. Key Requirements CAD capability to support parametric model generation and update CAD capability to support 2d drawing generation for detail parts and installations Understanding of modelling methodologies and processes Ability to interpret stress sizing data and project requirements to support CAD design solutions Interface management between wing structural components and systems Microsoft office applications - excel, ppt etc. Experience of Catia V5 and Catia V6/3DX Preferred Experience RnT project...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jul 23, 2026  
Senior / Lead Software Engineer (Python, Django) - Cardiff, UK
Role: Senior / Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London / Manchester / Birmingham / Cardiff / North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What You'll Do: Lead end-to-end system design and delivery using Python and Django. Write secure, test-driven code and maintain live service performance. Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards.What We Need: 5+ years experience (ideally 8-10 years). Deep technical expertise in Python & Django. Proven system design and architecture capabilities. Strong communication and collaborative problem-solving skills.Bonus: Previous experience with GDS standards, the public sector (e.g., MOD, HMRC), or secure defence environments. This is an urgent vacancy with a deadline where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your...
IR35 Status:
Inside IR35

CV-Library Cardiff, UK Contractor
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