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Engineering senior design engineer

115 senior design engineer jobs found

CL
Jun 20, 2026  
CE&I Senior Design Engineer
CE&I Senior Design Engineer Altrad are currently seeking a CE&I Senior Design Engineer to join the Central Engineering team as part of the Silos MSSS SEP1 & 2 CE&I Design Team. The successful candidate will provide site-based design front-line support to Commissioning teams, delivering, supporting the delivery of others, and checking detailed designs/changes to meet functional and business needs. Implementation, testing, and commissioning of the designs are undertaken by other dedicated site-based teams and are outside the scope of this role. Key Deliverables * Provide site-based front-line design support to Commissioning teams. * Deliver, support the delivery of others, and check detailed designs/changes for accuracy and compliance with functional and business requirements. * Ensure all designs/changes adhere to relevant external and company-specific engineering standards. * Collaborate effectively with multidisciplinary teams on site and in the...
IR35 Status:
Unknown Status

CV-Library Sellafield, Cumbria Contractor
CL
Jun 19, 2026  
Site Based CE&I Senior Design Engineer
Site‑Based CE&I Senior Design Engineer Location: North West Hours: 37 hours per week Security Clearance: SC required (must already hold or be eligible) The Role We are seeking a Senior Control, Electrical & Instrumentation (CE&I) Design Engineer to provide site‑based, frontline design support to commissioning teams on a highly regulated, safety‑critical facility. This is a hands‑on senior design role, embedded at plant level during commissioning, where issues are identified, investigated and resolved through robust engineering judgement and controlled design change. The role is not focused on routine programming or implementation. Dedicated site teams carry out testing, installation and commissioning activities. Your responsibility is to diagnose problems, develop design solutions, and ensure changes meet functional and business requirements. Key Responsibilities Provide frontline CE&I design support to commissioning teams during active commissioning....
IR35 Status:
Unknown Status

CV-Library Cumbria, UK Contractor
CL
Jun 21, 2026  
Senior Chassis Design Engineer
Position Title: Chassis Engineer Duration: Contract Location: Newark, California USA Essential Criteria: Chassis Engineer Summary: The main function of a Design Engineer is to research and investigate the design, functionality and maintenance of mechanical products, equipment, systems and processes. A typical design engineer has the ability to make engineering drawings, and read and interpret blueprints. Job Responsibilities: Research, design, develop, manufacture, and test tools, engines, machines and other mechanical devices. Research and analyse customer design proposals, specifications, manuals to determine time and cost feasibility to complete projects. Assist drafters in developing the structural design of products using tools, equipment or software. Skills: Creativity, verbal and written communication skills, analytical and problem solving ability. Team player and detail oriented. Ability to make sketches, engineering drawings and common computations....
IR35 Status:
Unknown Status

CV-Library Newark, California Contractor
CL
Jun 21, 2026  
Senior Civil Design Engineer
Job Title: Civil Engineer Salary: £50 - £60 (dependent on experience) Location: Reading Type: Contract - Inside IR35, hybrid working About the Role: Our client is seeking a Civil Engineer with 5+ years' experience who is ready to hit the ground running. You'll work closely with a senior engineer on a diverse portfolio of projects, including large-scale civil schemes and complex mechanical and electrical designs. Your work will cover design development and, when design work slows, involvement in project management and commercial activities. This role offers significant development opportunities due to the breadth of experience it provides. About Our Client: Our client is a well-established engineering organisation delivering innovative and complex infrastructure projects across the UK. They value versatility, technical expertise, and the opportunity for engineers to develop across multiple disciplines. Key Responsibilities: Design development across civil, mechanical, and...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 21, 2026  
Senior Control System Design Engineer
NES Fircroft are partnering with our major Engineering & Services client to provide a Senior Control Systems Design Engineer for a major Nuclear project. Long-term project with potential for 3+ years work. Mon-Fri minimum 37hrs per week. Hybrid working available 3 days in Warrington office per week, with occasional visits to site in Cumbria if necessary.  Overview of the Senior Control Systems Design Engineer: To work within the end client's design team, leading a team of Programmable Electronic System (PES) based Control System Design Engineers delivering, supporting others delivering and checking designs/updates to meet functional and business needs.  The procurement, integration, installation and commissioning of the designs/updates is undertaken by others, hence is outside the scope of this particular role.     Essential: Academic Qualification: Minimum - HNC Professional Qualification: Minimum - Incorporated Engineer Experience of SCADA/PLC control systems and...
IR35 Status:
Unknown Status

CV-Library Warrington, UK Contractor
CL
Jun 13, 2026  
Senior Product Design Engineer
Role: Senior Product Design Engineer Location: London Contract Type: Contract / Freelance Duration: 6 months + Rate: £315 per day Status: Outside IR35 - Ltd co contract Shape Innovative Products from concept to reality. An exciting opportunity has arisen with a highly respected product innovation consultancy known for delivering cutting-edge solutions across healthcare, consumer, and industrial sectors. Working within a collaborative, multidisciplinary environment, you will play a pivotal role in transforming ideas into commercially successful, production-ready products. This is an ideal opportunity for an experienced Product Design Engineer who thrives on solving complex engineering challenges, balancing creativity with technical rigour, and leading projects from research through to manufacture. The Opportunity: As a Senior Product Design Engineer, you will work on a broad portfolio of technically challenging and highly innovative projects within consumer electronics,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Senior Mechanical Design Engineer
Senior Consultant - Engineering Design Location: London - 5 days a week 40 hours per week (hybred 3 days in the office min) Contract: Freelance / Contract / 6 Months + £315 per day Limited company Engineer Innovation From Concept to Manufacture We are working with a leading product innovation consultancy seeking an experienced Senior Consultant for Mechanical Engineering Design, to deliver complex engineering projects from concept through to production in the Medical and consumer product world. This role suits a technically strong, commercially aware engineer with experience leading projects, solving complex design challenges, and managing client relationships. Key Responsibilities Lead client communication and project delivery Interpret briefs, define requirements, and manage plans, budgets, and timelines Develop innovative engineering concepts and assess feasibility Deliver robust designs using 3D CAD, FEA/CFD, mathematical modelling, and prototype testing Support...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 27, 2026  
Senior / Principal Civil Engineer
Job Title: Senior / Principal Civil Engineer Salary: Dependent on experience Location: St Albans (Hybrid - minimum 3 days office-based) Type: Permanent or Contract (Outside IR35 available) - Hybrid About the Role: Our client is seeking experienced Senior and Principal Civil Engineers to join a multidisciplinary design team delivering projects across the regulated water sector. These opportunities are suited to engineers with strong design experience within water and wastewater who enjoy solving complex engineering problems, developing practical solutions and contributing to the successful delivery of projects. Depending on experience, you will take ownership of technical delivery, support multidisciplinary design teams and contribute to maintaining high standards of engineering quality and compliance. Principal-level candidates will also provide technical leadership and mentoring support across the team. Working closely with senior management and project teams, you will...
IR35 Status:
Outside IR35

CV-Library Hemel Hempstead, Hertfordshire Contractor
CL
Jun 27, 2026  
Senior / Principal Civil Engineer
Senior Civil Design Engineer Contract type: Contract or Permanent Scope: Outside IR35 Location: Hertfordshire Industry: Water Purpose of the Role We are working with a specialist engineering consultancy providing design and infrastructure support across the rail and utilities sectors. The organisation supports projects from early design through to installation, delivering safe and efficient solutions on complex infrastructure programmes. The Civil Design Engineer will produce civil engineering design deliverables for projects across the regulated water industry, ensuring all work meets required safety, quality, and technical standards. Key Responsibilities Deliver civil engineering design packages that meet safety, quality, and regulatory requirements. Develop efficient design solutions from project scopes and site visits, communicating these with clients and project teams. Support and guide CAD technicians, junior designers, and graduates. Prepare design risk assessments,...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Jun 27, 2026  
Contract Product Design Engineer
Job Title: Contract Product Design Engineer * Contract Length: Initial 6 months - with potential for extension. * Start: ASAP * Rate: Depended on Experience * IR35: Outside IR35 * CAD: AutoDesk Inventor * Location: East Midlands - In office 5 days a week * Hours: 37.5h OR part time opportunities for the right candidate. Please see the key details below: I'm currently supporting an engineering manufacturer that are looking to bring a Contract Product Design Engineer in on an initial 6 month contract, with potential for long term contract opportunity. Following significant investment into research, development and innovation, they are looking for someone to support a growing pipeline of new product development projects. Key Responsibilities: * Helping develop new products from concept through to manufacture * Product design and development * Mechanical design and CAD modelling * Prototype development and testing * Supporting multiple innovation...
IR35 Status:
Outside IR35

CV-Library Derby, Derbyshire Contractor
CL
Jun 27, 2026  
Senior Civil Engineer
Senior Civil Engineer (Contract) 📍 Fully Remote / Hybrid 💰 Competitive Hourly Rate (Project-Specific) 📅 Project-by-Project Engagement ⏱️ Flexible Working Arrangements Overview We are seeking an experienced Senior Civil Engineer to support the delivery of a diverse portfolio of infrastructure and development projects on a project-by-project basis. This role is ideal for an experienced contractor who can work independently, take ownership of technical delivery and provide support across all stages of design, from feasibility through to planning, detailed design and technical approvals. Projects span a variety of sectors including residential, commercial, industrial, data centres, restoration and regeneration schemes. Responsibilities Produce drainage and infrastructure designs for a range of development projects. Prepare Flood Risk Assessments (FRA) and drainage strategies. Design surface water and foul water drainage systems. Undertake drainage modelling and...
IR35 Status:
Unknown Status

CV-Library Remote Contractor
CL
Jun 27, 2026  
Senior Civil Engineer
Senior Civil Engineer - Contract Opportunity 🚨 📍 UK Hybrid / Remote 💰 £40 per hr 🕒 6 Month Contract ✅ Outside IR35 ⏰ 40 Hours Per Week We are working with a well-established Engineering Consultancy that is looking to appoint an experienced Senior Civil Engineer to support a growing workload across both Infrastructure and Water projects. This is an excellent opportunity for a contractor with strong drainage, highways and water sector experience looking for a long-term Outside IR35 assignment. Key Requirements: ✔ Surface & Foul Water Drainage Design ✔ MicroDrainage Modelling ✔ SuDS Design & Drainage Strategies ✔ Flood Risk Assessments (FRAs / FCAs) ✔ S104, S106 & S185 Drainage Agreements ✔ Highways Design (S38, S278 & S184) ✔ 3D Earthworks Modelling & Cut / Fill Optimisation ✔ Project & Design Management ✔ Tender Preparation & Fee Proposals ✔ Liaison with the Environment Agency, LLFAs, IDBs & Water Authorities Software: 🔹 Civils 3D...
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
Jun 27, 2026  
Senior Mechanical Engineer - Gas Projects
Are you ready to take the next step in your engineering career with a forward-thinking organisation? Do you have hands-on experience delivering complex engineering projects within a regulated or high-spec environment? Are you confident working with stakeholders to ensure quality, safety, and programme objectives are consistently met? The Opportunity We’re working with a leading engineering organisation seeking a talented professional to join their growing team, supporting the delivery of technically challenging projects within a highly regulated environment. Working as part of a mechanical and piping team on an EPC project, including detailed design for modification to UK gas compressor units. We would also welcome applications from these industries Candidates from nuclear, defence, oil and gas, aerospace, advanced manufacturing, and utilities backgrounds are encouraged to apply. This role would suit candidates working in these roles This position would suit...
IR35 Status:
Unknown Status

CV-Library Warrington, UK Contractor
CL
Jun 26, 2026  
Senior Mechanical Engineer
Job Title Senior Mechanical Engineer – Dry Process Plant and Equipment (12-Month Contract) Summary We’re looking for an experienced Senior Mechanical Engineer to join a long-term project based out of Birchwood Park, Warrington. This role is ideal for an engineer with strong design experience, leadership capability, and expertise in working with plant and equipment. You’ll work in a hybrid capacity and play a pivotal role in delivering high-quality engineering solutions for a major programme. Salary Hourly rate – dependent on experience Location and Working Pattern Hybrid role based at Birchwood Park, Warrington. Full time, typically 3 days on-site and 2 days remote (subject to project needs). Occasional travel to suppliers, including some overseas visits, may be required. Client Overview You’ll be supporting a major engineering project dedicated to delivering technically compliant and fully integrated solutions within a highly regulated industry sector. Responsibilities...
IR35 Status:
Unknown Status

CV-Library Risley, Derby DE72, UK Contractor
CL
Jun 26, 2026  
Structural Engineer
Senior Structural Engineer Mainly remote - occasional office visits / site visits £40-50 per hour (outside IR35 available) Purpose of Job Role The delivery of projects, on a day to day structural designs and calculations. Key Accountabilities Project Delivery - The delivery of a project in a timely manner and on budget. Collaborating with the Client - Working with the client to develop a full project brief ensuring that they achieve their desired result. Preparing Calculations - Preparing Building Regulations calculations packages for submission to the Local Authority. Specific Tasks • The preparation of project specifications • Developing project briefs and tendering for subcontractors. • The carrying out of Structural Surveys and preparation subsequent reports. Person Specification BEng Civil or Structural Engineering Experience - essential • 10 Years+ building structures design • Good working knowledge of both British Standards and Eurocodes. • Experience...
IR35 Status:
Outside IR35

CV-Library DE11, Swadlincote, Derbyshire Contractor
CL
Jun 26, 2026  
Commissioning Engineer
Carmichael UK are seeking an experienced Commissioning Engineer to join a major Tier 1 joint venture delivering AMP8 works across the Southern Water framework. This is an excellent opportunity to be involved in the delivery of key water and wastewater infrastructure projects, including treatment works, pumping stations, and reservoirs. About the Role You will play a key role in delivering commissioning activities across water and wastewater projects, ensuring systems are installed, tested, and handed over safely, on time, and to the highest quality standards. Working closely with design teams, subcontractors, and suppliers, you will support the full commissioning lifecycle from installation through to final handover and client training. Duties will include: Leading and coordinating commissioning, installation, and system integration Developing and implementing commissioning plans, procedures, and documentation Overseeing FAT and SAT testing, ensuring equipment is fully...
IR35 Status:
Unknown Status

CV-Library Oxfordshire, UK Contractor
CL
Jun 25, 2026  
Senior Engineer - Mechanical - Auxiliaries
Senior Engineer - Mechanical - Auxiliaries Location: Glasgow Job Type: Contract, Full-Time hours Primary Industry: Marine Engineering Secondary Industry: Nuclear, Energy, Oil and Gas, Building Services (commercial) Salary: £30.23 - £40.64 per hour Job Description The Senior Engineer – Mechanical – Auxiliaries is responsible for providing technical expertise and engineering support in the design, development, installation, and maintenance of mechanical auxiliary systems within energy and oil and gas projects. This role ensures that mechanical auxiliary equipment functions efficiently, reliably and complies with relevant industry standards and safety regulations. The role involves close collaboration with multidisciplinary teams to deliver engineering solutions that meet project objectives and timelines. Job Duties Lead the mechanical engineering design and review of auxiliary systems including, but not limited to, pumps, compressors, fans, heat exchangers, and associated...
IR35 Status:
Unknown Status

CV-Library Glasgow, UK Contractor
CL
Jun 25, 2026  
Senior Electrical Engineer
Senior Electrical Engineer – Water Sector Location: Stretford, Manchester (Hybrid Working Available 3 days from the office and 2 days from home) Contract: 12-Month +  Hours: 40 Hours Per Week Rate: £56.82 Ltd per hour (Subject to IR35 Assessment Confirming Outside IR35 Status) The Opportunity We are seeking an experienced Senior Electrical Engineer to lead the delivery of high-quality electrical engineering designs, ensuring technical excellence, safety, compliance, and innovation throughout project lifecycles. Working as part of a multidisciplinary engineering team, you will take responsibility for electrical design activities on major water sector projects, whilst providing technical leadership, mentoring junior engineers, and coordinating with suppliers, subcontractors, and key stakeholders. Experience of Waste Water Treatment plant or Sewage Networks design.  Key Responsibilities Deliver high-quality electrical design packages in accordance with project requirements,...
IR35 Status:
Outside IR35

CV-Library Stretford, Manchester, UK Contractor
CL
Jun 25, 2026  
Senior Mechanical Engineer
Are you a Senior Mechanical Engineer with experience in plant equipment and dry process systems? Can you lead design delivery while ensuring compliance with stringent industry and safety standards? Do you have the technical expertise to oversee complex engineering projects from concept through to installation and commissioning? The Opportunity This is a fantastic opportunity to join a leading engineering consultancy supporting high-profile projects within a highly regulated environment. You will play a pivotal role in delivering robust mechanical design solutions for plant and equipment. We would also welcome applications from these industries Candidates with experience in nuclear, defence, oil and gas, process engineering, chemicals, or heavy manufacturing are encouraged to apply. This role would suit candidates working in these roles This opportunity would suit individuals currently working as a Senior Mechanical Engineer, Mechanical Design Engineer, Plant Engineer,...
IR35 Status:
Unknown Status

CV-Library Warrington, UK Contractor
CL
Jun 25, 2026  
Senior Mechanical Designer
Are you an experienced Mechanical Designer ready to take on technically complex engineering projects? Do you have strong experience using Autodesk Inventor and Vault within a regulated engineering environment? Can you confidently produce detailed mechanical designs while supporting manufacturing and test queries? The Opportunity We’re supporting a leading engineering consultancy in the search for a Senior Mechanical Designer to contribute to high-profile, technically challenging projects within a regulated environment. We would also welcome applications from these industries Defence, nuclear, oil and gas, aerospace, heavy engineering. This role would suit candidates working in these roles Senior Mechanical Designer, Mechanical Design Engineer, CAD Designer, Design Engineer, Senior CAD Engineer, Mechanical CAD Engineer, Equipment Design Engineer, Plant Design Engineer, Mechanical Engineer, Engineering Designer. Your duties and responsibilities will be Create and refine...
IR35 Status:
Unknown Status

CV-Library Warrington, UK Contractor
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