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Contractor 13
Engineering Inside IR35 senior detail designer

13 senior detail designer jobs found

CL
Mar 12, 2026  
Electrical Detail Designers
12 Month Contract – Inside IR35 £36.26 - £41.41 per hour umbrella Ideally 2 days per week on site but open to fully remote working where required Job Role: Operating as a senior designer within a team of up to 25 resources, the position holder will have high design technical capability and demonstrate exemplar behaviours as a role model within the team Progress complex design activities through to completion using design tools (eg CAD) and advise and coach team members and early careers through their activities, and where applicable support colleagues through mentoring. Check and assure other team members work on behalf of the Principal Detail Designer including final sign off of engineering outputs and creation of Quality Care Points and Alerts as identified during checking. Fully conversant with all Detail Design processes and Management Systems and can advise and guide team members through application of them. Including supporting external and internal audits. Strong...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
Mar 14, 2026  
Autodesk Revit Designer
Are you an experienced Autodesk Revit Designer ready to contribute to complex, safety-critical engineering projects and looking for a 12month hybrid contract in Warrington? Do you have strong Civil, Structural & Architectural (CS&A) expertise within a highly regulated environment? Are you confident developing Revit models for steel structures and mechanical piping while working to strict industry standards? The Opportunity A leading engineering consultancy is seeking a Senior Revit Designer to support asset care and modification projects within a highly regulated environment. This role offers the opportunity to work on complex infrastructure upgrades, producing high-quality design deliverables within a collaborative, multi-disciplinary team. We would also welcome applications from these industries: nuclear, defence, oil and gas, petrochemical, energy and power generation. This role would suit candidates working in these roles: Revit Technician, Senior Revit...
IR35 Status:
Inside IR35

CV-Library Croft, Warrington WA3, UK Contractor
CL
Mar 13, 2026  
Senior/Principal EC&I Engineer
Senior/Principal EC&I Engineer Location: Plymouth (Hybrid) Contract Length: 12 months Rate: £500 Per Day Inside IR35 Site expectations: 3x a week, on-site We are seeking a Senior/Principal EC&I (Electrical, Control & Instrumentation) Engineer to join our Major Infrastructure Projects Business Unit, based in Plymouth. This role will primarily focus on managing and ensuring the delivery of site quality through the installation and commissioning of electrical activities at the submarine refit complex. The successful candidate will be responsible for providing technical support, managing inspections, and ensuring that contractors adhere to project specifications and timelines. Key Responsibilities: Ensure the effective delivery of site quality by managing and supporting the installation and commissioning processes for electrical works in the submarine refit complex. Provide expert advice to the construction and project teams, communicating effectively with contractors and...
IR35 Status:
Inside IR35

CV-Library Plymouth, UK Contractor
CL
Mar 13, 2026  
Civil Project Supervisor
Civil Project Supervisor - Major Infrastructure (Energy Sector) Location: Aberdeenshire, Scotland (Site‑Based) Rate: £785 per day (Inside IR35, via PAYE Umbrella) Contract: 12 Months + Likely Extension Hours: 40 per week Start: ASAP Full UK Working Rights About the Opportunity Are you an experienced civil engineering supervisor who thrives on large, complex infrastructure projects? This role puts you at the centre of major UK energy construction works-supporting the delivery of high‑value civil, structural and foundation packages that are critical to the future of the UK's energy network. You'll work client‑side on a flagship programme, ensuring safe, compliant and coordinated site delivery across multiple contractors and disciplines. What You'll Be Doing Programme & Coordination Monitor daily and weekly progress against plan Flag emerging risks, delays and bottlenecks Help maintain smooth communication between contractors, engineers and project teams Drawings,...
IR35 Status:
Inside IR35

CV-Library Aberdeenshire, UK Contractor
CL
Mar 13, 2026  
Tooling Design Engineer
Job Title: Tooling Design Engineer Contract: Contract (Inside IR35) Location: Ampthill, Bedfordshire Hours: (4 Day Week/ 37.5 hours) Length: 6 Months Salary: £45 - £50 per hour (Umbrella) The Role - Tooling Design Engineer This is an excellent opportunity for an experienced Design Engineer with a focus on tooling to join a global engineering business at the forefront of technological advancement on a long term contract. As a Tooling Design Engineer, you'll be tasked with developing industrial tools, jigs, fixtures, prototype model production and machine attachments used in both main production and prototype development phases. The work you do will be utilised across the full product lifecycle therefore supporting both engineering and production functions. Duties - Tooling Design Engineer Provision of tooling to reduce manufacturing costs and improve yield at all stages. Develop tooling to support CNC Machining, Composite layup and assembly. Designing any new tooling...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedford MK45, UK Contractor
CL
Mar 12, 2026  
Senior Project Engineer/Design Manager
Our client, a leading consultancy specialising in aviation infrastructure, is seeking an experienced Senior Project Engineer / Design Manager to join a major, long-term programme at a major UK Airport. This is a high-profile opportunity for a design professional with strong airfields expertise-particularly in runway and pavement design-to make a significant impact within a complex and safety-critical aviation environment. The role offers a hybrid working option and is within IR35 guidelines, providing long-term contract stability in a dynamic setting. Key Responsibilities: Lead and manage design development for airfield infrastructure including runways, taxiways, aprons, and associated civil works. Oversee design assurance, compliance, and technical quality throughout all project stages. Coordinate multidisciplinary engineering inputs, ensuring integration with operational airport requirements. Manage interfaces between design teams, contractors, and airport stakeholders to...
IR35 Status:
Inside IR35

CV-Library Gatwick, West Sussex Contractor
CL
Mar 11, 2026  
Lead Civil Engineer
Our client a well known and reprital business within the Nuclear industry are actively looking to hire a Lead Civil Engineer tp be based onsite in Plymouth. Job Title: Lead Civial Engineer Location: Plymouth Duration: 46 Weeks Hourly Rate: Competitive (Inside IR35 / Umbrella) Days/Hours Per Week: 5 Days - 40 Hour Week Typical activities will include: Identify project functional requirements, Works Information, preparation of GI specifications, responding to Technical Queries, Requests for Information (RFI) for the project. Manage engineering support to the project. Support project optioneering process. Review and accept project drawings and documentation. Manage detailed design activities in accordance with project standards. Carry out technical assessment/approval of contractors work instruction/method statements/risk. Assessments: Provide technical supervision of construction/deconstruction activities to ensure compliance with design intent. Specify and provide technical...
IR35 Status:
Inside IR35

CV-Library Plymouth, UK Contractor
CL
Mar 11, 2026  
Architectural Technician
Are you an experienced Architectural Technician 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: Architectural Technician Location: Bristol Contract Length: Initial 12-month contract Rate: DoE (This role falls inside IR35) The Opportunity We're recruiting for skilled Architectural Technician or part ll 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...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 07, 2026  
Senior Mechanical Design Engineer
Our client based in Buckinghamshire is seeking an experienced Mechanical Engineer to support a programme focused on legacy design investigation. The role involves assessing existing mechanical designs, identifying issues and performing root cause analysis. Contract Details: Inside IR35 - £45-52.00ph DOE 9 month contract  Hybrid working - 3 days on site in Buckinghamshire, 2 from home Key Responsibilities Root cause analysis on legacy mechanical designs Investigate mechanical issues Review and update existing engineering drawings and documentation Collaborate with wider team to understand design history and operational performance Prepare technical reports Required Skills & Experience Proven experience in mechanical design & analysis Experience with legacy design / investigation Strong background in rotating machinery/components, motors, generators is desirable  Experienced with NX or CATIA  If this role is of interest, please get in touch
IR35 Status:
Inside IR35

CV-Library Bedfordshire, South East Contractor
CL
Mar 07, 2026  
Mechanical Power and Propulsion Engineer
12 Month Contract – Inside IR35 £46.90 - £52.54 per hour umbrella Hybrid working – 1 -2 days per week on site Job Role: To provide Mechanical Engineering support to the Power & Propulsion systems team engaged in the functional design of Propulsion Systems on the River Class Destroyer Program for the Royal Canadian Navy. This includes design of mechanical system schematics, engineering change requests and other design definition documents and calculations. Key areas of activity: Contribute to mechanical elements of the design of the River Class Destroyer Power and Propulsion systems. Including: Propulsion Motors Diesel Generators Gas Turbine Propulsion Gearbox Shaftline Steering gear and Stabilisers Provide support to the team in order to assess technical compliance, integration and review of design documentation for the ship’s propulsion motors procurement pack. Implement change to P&P systems away from baseline ship design, assessing impacts on equipment, systems...
IR35 Status:
Inside IR35

CV-Library Portsmouth, 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 01, 2026  
FPGA Engineer
Job Title: Senior / Principal FPGA Engineer Duration: 6 Month (Contract) Location: Edinburgh Rate: £70 (Inside IR35) About the role We are looking for an experienced Senior / Principal FPGA Firmware Engineer to support the design, development, and verification of firmware for complex, safety-critical systems within a regulated engineering environment. You will work closely with systems, hardware, and software teams to deliver robust FPGA-based solutions for advanced electronic systems. Key Responsibilities * Design and develop FPGA firmware using VHDL (Verilog/SystemVerilog desirable). * Verify and debug firmware designs at module, hardware, and system level. * Translate system and hardware requirements into detailed firmware requirements. * Support integration, validation, and troubleshooting of FPGA designs. * Work with FPGA toolchains across Xilinx, Intel (Altera), and Microsemi devices. * Produce clear technical documentation and...
IR35 Status:
Inside IR35

CV-Library Edinburgh, City of Edinburgh Contractor
CL
Jan 21, 2026  
High Speed Digital Design Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 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 can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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