25 senior mechanical design engineer jobs found

Position: Mechanical Design Engineer Location: Castle Donington - Hybrid Contract: Outside IR35 Type: Full-Time The Role This is an outside IR25 assignment expected to last between 6 - 12 months with the successful contractor involved in the design of a range of fabrications and components used in turbomachinery applications. Key Responsibilities: Create detailed 3D models and assemblies using Siemens NX. Generate engineering drawings Perform engineering design calculations eg Perform tolerance stack-up analysis , bolted joint. Preparation of engineering design reports Engage with suppliers and lead design for manufacturing activities Ensure designs meet industry standards, customer specifications, and regulatory requirements. Required qualifications and experience: Bachelor's degree in Engineering. Experience designing castings, machined parts and fabrications. Experience using BS8888 and/or ASME Y14.5 Proficiency in NX software. Strong skills in mechanical...

Mechanical Design Engineer - Greater Manchester Our client has an open requirement for a Mechanical Design Engineer on a 6 month contract basis with the possibility for further extension. This will operate on an outside IR35 basis so limited company contractors will be able to operate, and a rate between £35 and £43 per hour is expected, subject to level of experience and suitability. Candidates will be required to work in the office full time initially and then switch to a hybrid model of 3 days office based and 2 from home after a few weeks’ orientation. The client is looking for a good engineering background first and foremost with strong experience and knowledge of typical mechanical equipment and terminology including: Limits and fittings, bearings, linear guides, GD&T’s, rotating equipment, and automated equipment such as motors, gearboxes, and drives. They should also have a basic knowledge of working with steel structures. The client is using Creo design software -...

Senior Project Engineer – Teesside (Long term contract - can be outside of scope of IR35) Working for a leading consultancy, this is a Senior opportunity for a technically strong Project Engineer to support a major infrastructure project delivering an above-ground CO₂ gathering pipeline system and associated utilities across the Teesside industrial region. This is a critical, client-facing role acting as the main engineering interface between the engineering design office and the construction site. The Role Full-time on site in Teeside (5 days per week) with occasional travel to Manchester (typically once per month) 12–18 month contract, can be outside IR35 Key Responsibilities Serve as the focal point for all engineering activity on site Own the Site Technical Query procedure and register Maintain master engineering drawings and ensure site mark-ups are captured for as-building Manage and communicate design changes to AFC deliverables Identify programme risks early,...

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 &...

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 &...

Rubicon Consulting is currently recruiting for Senior Civil Engineer (Chartered) on a Initial 6 Month Contract, based in Birmingham- with travel to UK Project Sites This is a contract role, Outside IR35, with rates negotiable depending on experience. The position is based from the Birmingham office, with travel to UK project sites as required. The role sits at senior technical level, acting as the civil design authority on power projects and leading civil and structural design from concept through to construction. The work is focused on substations and transmission & distribution infrastructure, supporting major UK clients including National Grid and DNOs (e.g. SSEN / SPEN). Key details: * Senior / Chartered Civil Engineer (CEng / ICE preferred) * Outside IR35 contract * Rates negotiable * Birmingham-based with project site travel * Strong civil & structural design experience on UK power projects * Experience working to National Grid Technical...

Senior Civil Engineer (Chartered) Location: Birmingham Office Contract: 6 Months (ASAP Start) Engagement: Outside IR35 Sector: Transmission MRR Infrastructure is recruiting for a Chartered Senior Civil Engineer to join a highly respected engineering organisation delivering major UK transmission infrastructure projects. This is a six-month contract opportunity, confirmed as outside IR35, based within the Birmingham office. The Opportunity You will operate in a senior technical capacity within the Civil and Structural team, leading design activities across high-voltage transmission projects from concept through to detailed design and construction support. This role is suited to an experienced Chartered Civil Engineer who is confident leading design packages, mentoring engineers, managing client interfaces and delivering complex infrastructure solutions within regulated environments. The Organisation Our client is a globally established, employee-owned engineering and...

Duration: Through to 31 December 2026 IR35: Outside IR35 Location: Southampton (3-4 days onsite per week) Rate: Dependent on experience Background The business has been been part (majority) purchased. The main element of this split work is the Tenancy activities. You will support the creation of two new tenants which we are migrating to from the existing old tenant. This work is being handled by the existing internal team in conjunction with a third party and migration toolset. Role Overview We are seeking an experienced Infrastructure Engineer with strong, hands‑on expertise across the Microsoft ecosystem including Azure, Microsoft 365, Defender suite, and associated third party security and management tools. The primary focus of this role is to support and execute technical workstreams relating to a major organisational split project, covering identity, infrastructure, network, and application separation. Alongside the split programme, the contractor will also support...

We're supporting a major engineering organisation delivering large‑scale automation and control upgrades across the UK water sector. Due to increased project workload, they're looking to bring in an experienced Contract Automation Engineer with strong multi‑vendor PLC/SCADA experience and full‑lifecycle project capability. The Role You'll be delivering controls and automation solutions across major water & wastewater treatment projects. This contract involves full lifecycle engineering-from specifications and design through to programming, FAT/SAT, site commissioning, and handover. Technical Requirements You must be proficient in: Allen‑Bradley / Rockwell Automation Studio 5000 / RSLogix 5000 FactoryTalk View SE/ME Schneider Electric EcoStruxure Control Expert (Unity Pro) SCADA/HMI platforms Mitsubishi Software GX Works / GX Developer Ideal Background This will suit contractors who have previously worked with businesses known for water sector systems integration,...

We are seeking an experienced Senior Civil Design Engineer to support a portfolio of National Grid infrastructure projects. The role involves leading the civil and structural design elements for substation, overhead line, and other transmission‑related assets, ensuring compliance with National Grid's technical specifications and governance processes. This is an Outside IR35 contract position, offering hybrid working with on‑site collaboration. Key Responsibilities Lead and produce civil and structural designs for National Grid transmission projects (substations, foundations, compounds, cable routes, OHL works, access roads, drainage, etc.). Ensure all designs comply with National Grid TP / TS standards and relevant industry codes (BS EN, Eurocodes). Prepare design calculations, sketches, reports, specifications, and technical documentation. Manage design risk assessments and contribute to CDM compliance. Coordinate with multidisciplinary teams including electrical, geotechnical,...

Job Title: Civil Engineer - Water Rate: £35 to £45 per hour (Outside IR35) Location: Slough Type: Contract | Outside IR35 | Hybrid working About the Role: Our client is seeking an experienced Civil Engineer with strong UK water sector experience to support the delivery of complex infrastructure and non-infrastructure projects. This is a contract opportunity operating outside IR35, offering long-term project stability and hybrid working. You will provide hands-on technical expertise across the full project lifecycle, supporting design, coordination, and delivery on critical water industry schemes. About Our Client: Our client is a well-established UK engineering consultancy with a strong presence in the water sector. They are recognised for delivering technically robust, sustainable solutions and for working collaboratively with contractors, clients, and stakeholders across major programmes. Key Responsibilities: Project Delivery Support and deliver water sector projects...

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 considerations Deliver...

Chartered Structural Design Engineer (Contract – Outside IR35) Location: Aberdeen Engagement: Limited Company Contractor Duration: Minimum 12 months Sector: Refining, Chemical Manufacturing & Pipeline Assets Overview Burnside Recruitment is seeking an experienced Chartered Structural Design Engineer to support a long-term programme of modifications and upgrades across major onshore refinery, chemical manufacturing, and pipeline infrastructure. This is a 12‑month+ contract, operating outside IR35, and ideally suited to a limited company contractor. Key Responsibilities • Lead structural design and assessment activities for brownfield heavy civils projects within complex process plant environments. • Deliver structural calculations, reports, design packages, and technical documentation to UK regulatory and industry standards. • Provide technical oversight on modifications, upgrades, and integrity improvements • Interface with multidiscipline engineering teams, site personnel, and...

Chartered Civil Design Engineer (Remote working - UK based essential) Contract | UK Infrastructure | Security-Sensitive Projects | Outside IR35 (Subject to Assessment) Overview We are seeking a Chartered Civil Engineer (CEng via ICE or equivalent) to support the delivery of complex UK infrastructure programmes. This role is suited to a technically strong, senior Civil Design Engineer with proven experience across regulated and security-conscious environments. Chartership is essential. Experience within airport, aviation or government-led infrastructure projects is highly desirable. The ability to obtain (or currently hold) SC Clearance is a strong advantage. Project Environment You will contribute to high-value infrastructure schemes that may include: * Airport / aviation developments * Government infrastructure frameworks * Substation and energy projects * Multidisciplinary infrastructure works These are compliance-driven environments requiring strong...

Lead Engineer Coventry, UK (Onsite) Salary + Benefits £45,000 - £55,000 per annum (Fixed-Term Contract) or £350 - £375 per day (Ltd Company Contractor - Outside IR35) Shift Pattern / Working Hours Monday - Thursday: 08:00 - 16:35 Friday: 08:00 - 15:10 Must hold active UK Security Clearance   An established engineering organisation operating within the defence vehicle sector is seeking an experienced Lead Engineer to support a period of sustained programme growth.   This role focuses on delivering next-generation vehicle systems for global defence programmes and future mobility developments.   You will take technical ownership of complex electro-mechanical systems, ensuring solutions meet demanding customer, regulatory, and operational requirements.   Working within a collaborative, engineering-led environment, you will contribute directly to programmes that deliver advanced protection and mobility capabilities.   Both fixed-term and day-rate engagement options...

Design Engineer Coventry, UK (Onsite) Salary + Benefits £35,000 - £45,000 per annum (Fixed-Term Contract) or £275 - £350 per day (Ltd Company Contractor - Outside IR35) Shift Pattern / Working Hours Monday - Thursday: 08:00 - 16:35 Friday: 08:00 - 15:10   Must hold active UK Security Clearance   An established engineering organisation operating within the defence vehicle sector is seeking immediately available Design Engineers to support global vehicle programmes. This role focuses on developing advanced vehicle protection and integration solutions that enhance safety, performance, and operational capability. You will work across the full design lifecycle, from initial concept through to production, contributing to technically challenging projects in demanding environments. This is a hands-on position within a collaborative engineering team, offering the opportunity to work with complex assemblies and specialist materials. Both fixed-term and day-rate engagement...

Manufacturing Engineer Coventry, UK (Onsite) Salary + Benefits £35,000 - £42,500 per annum (Fixed-Term Contract) or £200 - £250 per day (Ltd Company Contractor - Outside IR35) Shift Pattern / Working Hours Monday - Thursday: 08:00 - 16:35 Friday: 08:00 - 15:10 Must hold active UK Security Clearance   An established engineering organisation operating within the defence manufacturing sector is seeking immediately available Manufacturing Engineers to support a six-month programme.   The role focuses on the introduction, industrialisation, and continuous improvement of vehicle-related protection systems used primarily on military platforms. Working within a highly regulated and technically demanding environment, you will ensure products are manufacturable, repeatable, cost-effective, and compliant with defence standards.   This position offers the opportunity to contribute directly to programmes delivering critical protection solutions, while developing your...

Principal Piping Designer – Contract (Outside IR35) Location: Aberdeen | Hybrid (minimum 3 days in office) A respected engineering consultancy is seeking a Principal Piping Designer to shape complex brownfield projects across the Oil & Gas and wider Energy landscape. From Concept through FEED to Detailed Design, Construction and Commissioning, your fingerprints will be on work that truly moves the sector forward. Note: This position requires attendance at the Aberdeen office at least three days per week. The Opportunity You will guide plant layout and piping design using the latest digital and CAD technologies, steering a team toward precision, safety, and excellence. Reporting to the Lead Piping Engineer, you’ll ensure every deliverable meets the highest standard. What You’ll Be Trusted With Leading and mentoring a team of piping designers to deliver on time and within budget Owning all plant layout and piping design outputs - 3D models, isometrics, GAs, plot plans, and...

We have a current opportunity for a Foundry AI Engineer on a contract basis. The position will be based in Egham. For further information about this position ple AI Engineer - Contract Role I am working with a university that is looking for an AI Engineer with experience in AI Foundry to support the implementation of a number of new use cases. This is a remote contract for approximately three months. The role is outside IR35, with a start date planned for early to mid‑March. Job Description Title: AI Engineer Contract: 3 months Location: Remote IR35 Status: Outside IR35 Start: Early to mid‑March Overview The university is delivering a series of AI initiatives and requires an AI Engineer with hands‑on experience in AI Foundry to support the design, build, and deployment of AI use cases across the organisation. Responsibilities * Work with stakeholders to understand business requirements and translate them into AI use cases. * Build, deploy, and optimise AI models...

ARM are recruiting a Residential Electrical Engineer to support a major project at Devonport Royal Dockyard. Reporting to the Lead Construction Manager, you will be responsible for overseeing and assuring the quality of electrical installation and commissioning activities throughout the construction lifecycle. Your primary focus will be electrical works within facilities supporting submarine refit operations, ensuring compliance with scope, standards, and safety regulations. Key responsibilities: Ensuring delivery of site quality through active management, advice, and on-site support Witnessing installation and commissioning activities Managing day-to-day planning matters alongside the Lead Construction Manager Providing technical guidance to construction and project teams Resolving site issues and Technical Queries within contractual timescales Ensuring contractors adhere strictly to scope of works and approved change requests Conducting and recording inspections in...