34 principal engineer jobs found

Principal Engineer - Safety & Environmental Engineering (Product Safety) Barrow in Furness Based (Hybrid 2 days per fortnight on site) £87.83 an hour Umbrella Inside IR35 6 Month Contract initially. This is a great opportunity to work within one of the UK's leading Defence organisations based In Barrow in Furness. Hybrid working 2 days per fortnight on site. The Principal Engineer (Whole Boat) - Product Safety shall provide support to the Whole Boat Engineering Delivery Manager in the development, delivery and maintenance of the Project Product Safety Management System and Product Safety Case to ensure Products are safe to own and legal to operate. The Principle Engineer (Product Safety) shall: Derive and manage Whole Boat Product Safety requirements. Develop, implement and maintain the Safety Management System. Produce and manage Project Safety Management Plans. Lead Whole Boat Product Safety hazard and risk identification, management and assessment activities....

Principal Engineer – Contract – EC&I – Staffordshire – Outside IR35 Role: Principal Engineer (Electrical Control & Instrumentation - EC&I) Location: Hybrid – Stafford office (3 days/week) & remote (2 days/week). Commutable from Stoke, Stafford, Cannock, Lichfield, Telford, Uttoxeter, Stone. Occasional customer site visits. Contract Duration: 6-month contract IR35 Status: Outside IR35 Day Rate: £500 - £585 per day Clearance: Must hold a British passport (no dual nationality accepted) and be eligible for SC Security Clearance. The Role We are seeking an experienced Principal Engineer or Lead Engineer to manage and lead project teams, delivering essential Electrical Control & Instrumentation (EC&I) systems within the nuclear defence sector. This crucial contract role (Outside IR35) requires a professional with robust leadership skills to initiate, oversee, and lead all engineering activities across assigned projects. You will act as the primary point of...

Location: Barrow (Hybrid) Duration: 6 Month Contract Rate: £89.75 per hour umbrella (Inside IR35) Note: Working on UK eyes only project and must be eligable for SC Overview: The Human Factors team is responsible for ensuring that the product is designed to be operated by the designated operators such that their performance is improved and the potential for human error is minimised. The Human Factors team are involved with all major boat programmes, plus site redevelopment and site safety related work. Deliverables include: To provide Human Factors support to design and analysis tasks in support of the company's programmes and conduct the activities described within the appropriate Human Factors Integration Plan (HFIP).The following activities are those that may be carried out in full or part dependant on the role:- Task, Workload, Situation Awareness and Human Reliability Analysis Workspace analysis Human Machine Interface / Human Computer Interface development Manpower...

We are looking for a Principal EC&I Engineer to work on a long term contract in Glasgow/Hybrid (typically 3 days in the office and 2 days' from home). Rate is c£55-60 Umbrella per hour/PAYE equivalent. Main Purpose of the Principal EC&I Engineer role: To define and distribute engineering scope to ensure all work is delivered safely, on schedule, and to the required quality standards. This includes delivering design and engineering outputs to support Design Reviews, HAZOPs, and project procedures. The role also involves supervising and developing junior engineers, managing engineering resources, and participating in recruitment activities. Position in the Organisation * Reports to a Principal Engineer, Team Leader, or Department Manager. * Line management responsibilities ultimately sit with the discipline Chief Engineer. * Typically supervises a project or design team of up to five engineering staff, with the potential to integrate additional...

Principal EC&I Engineer Reading - Hybrid - 3 days a week in office £50-55 per hour Outside of IR35 Are you an EC&I Engineer who has at least 10+ years experience designing within an building services industry? If so, please read on... Essential Requirements: 10-15+ years' experience working as a EC&I Engineer 5+ years working within the Nuclear industry Degree qualified in Electrical Engineering or similar Proficient in the use of AutoCAD, AMTECH, Dialux, Relux Experience in the review of supplier documentation for Safety, Security, and Building Management Systems (e.g. alarms, CCTV, access control, ventilation monitoring). Experience supporting commissioning phase through documentation reviews and technical input. This is a role within the Nuclear industry so you will be required to hold BPSS or SC clearance to start this position. The ideal candidate will need to hold a UK passport. The ideal candidate will already hold SC or DV clearance.If this sounds like a...

Principal Operational Highway Engineer Overview: Our client in the North East is seeking an experienced Principal Highways Engineer to lead the operational delivery of highways maintenance and civil engineering services. This position plays a key role in managing day-to-day operational activity, ensuring highway networks are safely maintained, efficiently managed, and delivered to industry best practice. You will oversee maintenance programmes, manage budgets, coordinate inspections, support service improvements, and act as a senior point of contact across technical operations. The role involves close collaboration with internal teams, external partners, and other stakeholders to ensure a consistent, high-quality approach to service delivery. Key Responsibilities: ·Lead the operational delivery of highways and civil engineering maintenance activities. ·Develop, manage, and implement planned and reactive maintenance programmes. ·Oversee budget management across operational...

Principal Highway Engineer Overview: My client in the North East is seeking an experienced Principal Highway Engineer to provide senior technical leadership across a varied programme of highway schemes. This role is design-focused and will involve leading on highway maintenance and improvement projects, including minor works such as footways, resurfacing, and localised drainage improvements. Key Responsibilities: ·Lead the technical design and delivery of the annual highway maintenance and improvement programme. ·Produce and oversee detailed engineering designs, drawings, and standard details using AutoCAD. ·Deliver schemes from concept through to construction, ensuring designs are safe, compliant, and buildable. ·Ensure all designs meet CDM 2015 requirements, including preparation of relevant pre-construction information. ·Act as a senior technical authority, providing guidance, design checks, and mentoring developing engineers. ·Undertake site visits for surveys,...

Role: Principal Systems Engineer(Technical Lead) Location: Portsmouth(Predominantly onsite with occasional remote working ) Duration: 6 months Inside IR35 : Umbrella The Role As a Principal System Engineer, you will be leading a team of Engineers to deliver the required STEATS (Synthetic Test Environment and Analysis Tools Service) capabilities in support of the NCSISS (Naval Combat Systems Integration Support Services) contract. Day-to-day, you'll play a key role in shaping and implementing the strategy to ensure the STEATS offering is well positioned to meet customer needs going forward. You will also be responsible for leading a cross-technical team of systems engineers, providing both day-to-day management and strategic technical leadership. You will work on simulations and tools that enable combat systems engineers to perform their roles effectively, combining hands-on technical work with leadership responsibilities. Your responsibilities will include: Shaping and...

Job Title: Contract Principal FPGA Design Engineer Type: Initial 6-Month Contract Status: Inside IR35 (Umbrella) Rate: £70.00 to £80.00 per hour DOE Location: Enfield, Greater London – Onsite An exciting opportunity has arisen for a Contract Principal FPGA Design Engineer in Enfield to join a highly experienced engineering team working on advanced electronic systems within a regulated, high-reliability environment. This Contract Principal FPGA Design Engineer in Enfield role focuses on full lifecycle FPGA design, system architecture and technical leadership across complex multi-FPGA platforms. The Role: As a Contract Principal FPGA Design Engineer in Enfield, you will take ownership of FPGA development from early specification through to verified hardware delivery. You will lead complex firmware developments while supporting and mentoring junior engineers. Your responsibilities will include: • Leading VHDL FPGA design from specification to verified hardware • Decomposing...

Job title: Principal Mechanical Engineer - 8 year minimum in the Nuclear sector Job Type: Contractor Start date: ASAP Salary: Competitive Location: Warrington, Cumbria or Abingdon Hours of work: Up to 37 hours per week Role: You'll lead mechanical engineering activities across project lifecycles, including design, manufacture, construction, and commissioning support. Responsibilities include: Producing and reviewing technical documentation (drawings, P&IDs, flow diagrams, specifications). Conducting studies for mechanical handling systems and powder processing in high-activity environments. Liaising with suppliers and stakeholders to ensure design intent is met. Supporting and mentoring junior team members. Driving technical solutions, continuous improvement, and safe working practices. Requirements: Degree in Mechanical Engineering or related discipline. 8+ years' relevant experience, ideally in nuclear or regulated industries. Chartered engineer (IMechE...

Are you an experience Principal Process Engineer with a keen interest in supporting the Water industry? Would you like to join a forward-thinking business at the forefront of innovation and sustainability? Do you want to take the lead and play a key role on projects that make a real word impact? The Opportunity An opportunity has become available for a proven Principal Process Engineer to join one of our key clients on a long-term contract, operating outside IR35. This role will enable you to gain valuable experience from a seasoned team of specialists in the Water industry. As Principal Process Engineer, you will fulfil a key role in leading important projects from concept through to commissioning. Your duties and responsibilities will be * Ensure design team produce design deliverables that satisfy safety and quality requirements. * Identify appropriate and efficient design solutions from scopes and site visits and communicate these to client and project team * Direct and...

Job title: Principal Mechanical Engineer - 8 year minimum in the Nuclear sector Job Type: Contractor Start date: ASAP Salary: Competitive Location: Warrington, Cumbria or Abingdon Hours of work: Up to 37 hours per week Role: You'll lead mechanical engineering activities across project lifecycles, including design, manufacture, construction, and commissioning support. Responsibilities include: Producing and reviewing technical documentation (drawings, P&IDs, flow diagrams, specifications). Conducting studies for mechanical handling systems and powder processing in high-activity environments. Liaising with suppliers and stakeholders to ensure design intent is met. Supporting and mentoring junior team members. Driving technical solutions, continuous improvement, and safe working practices. Requirements: Degree in Mechanical Engineering or related discipline. 8+ years' relevant experience, ideally in nuclear or regulated industries. Chartered engineer (IMechE...

Job title: Principal Mechanical Engineer - 8 year minimum in the Nuclear sector Job Type: Contractor Start date: ASAP Salary: Competitive Location: Warrington, Cumbria or Abingdon Hours of work: Up to 37 hours per week Role: You'll lead mechanical engineering activities across project lifecycles, including design, manufacture, construction, and commissioning support. Responsibilities include: Producing and reviewing technical documentation (drawings, P&IDs, flow diagrams, specifications). Conducting studies for mechanical handling systems and powder processing in high-activity environments. Liaising with suppliers and stakeholders to ensure design intent is met and mentoring junior team members. Driving technical solutions, continuous improvement, and safe working practices. Requirements: Degree in Mechanical Engineering or related discipline. 8+ years' relevant experience, ideally in nuclear or regulated industries. Chartered engineer (IMechE preferred)....

Our client is seeking a Principal Process Engineer to join their busy team in Manchester. This is a fantastic long-term opportunity with a smaller consultancy that has recently been acquired by a larger, well-known organisation within the industry. The role offers the flexibility of hybrid working and is an exciting opportunity to work on projects across AMP 8. Key Responsibilities Ensure the design team produces deliverables that satisfy safety and quality requirements. Identify and communicate efficient design solutions from scopes and site visits to clients and project teams. Direct and develop engineers and graduates. Approve design deliverables, DRAs, reports and specifications. Check and approve mass balance, process sizing and hydraulic calculations, process flow diagrams, control philosophies, and commissioning strategies. Guide designs in compliance with relevant technical, professional, and water company standards. Ensure project changes for the design package are fully...

Principal C&I Engineer (Fire & Gas Systems) – Contract – West Wales / Hybrid Location: West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy, Hydrogen and Nuclear sectors. Fire and Gas experience at both FEED and detailed design stages is essential. TUV Certified status would be a bonus, though not essential. Our client is based in West Wales and can accommodate a hybrid working pattern. Role & Responsibilities * Leading the design of fire and gas systems, including design specifications, cause and effect diagrams, and system architecture. * Performing safety specification and certification of safety instrumented systems. * Selecting and specifying instruments suitable to ensure compliance with safety regulations. * Designing C&I systems with a specific focus on fire and gas detection and suppression systems....

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract.   Hourly Rate: £50.00  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 likely be onsite 3 days per week. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage onsite interview   Principal Thermal Engineer Job Description: The Mechanical Analysis Group are looking for a Principal Thermal Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key...

Principal Digital Hardware Engineer Certain Advantage is hiring for a Principal Digital Hardware Engineer based in the Edinburgh area. This role is on a contract basis and is hybrid-based. The Company We’re working with an engineering company specialising in solving complex engineering challenges across various industries—from aerospace and automotive to healthcare and semiconductors. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Principal Digital Hardware Engineer—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be leading a small, experienced, and collaborative team, and be responsible for: Creating high-quality and robust digital electronics designs Documenting and recording deliverables Supporting integration & verification activities at the hardware and system level Keeping designs under configuration control Providing progress...

Senior / Principal C&I Engineer – Contract Location: West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy, Hydrogen and Nuclear sectors. TUV Certified status would be a bonus, though not essential. Our client is based in West Wales and ideally needs somebody who can be in their offices a minimum of 3 days p/w. Role & Responsibilities * Undertaking work providing Process Engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings,...

Senior Mechanical Engineer – Contract – West Wales / Hybrid Location: West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. This role is deemed to be outside IR35. Our client is based in West Wales and can accommodate a hybrid working pattern. Role & Responsibilities * Participate in relevant meetings such as Design Reviews, Model Reviews and HAZIDs. * Execute all Piping/Mechanical Engineering activities and maintain technical integrity. * Familiarity with piping, static equipment and rotating equipment. * Develop and contribute to mechanical equipment specification / datasheets to allow purchase of range of equipment. * Oversee designers in the development of multi-discipline plant upgrade project. * Supporting the development of Mechanical and Piping layout for a range of energy projects at different...

HPC Container Platform Consultant (SC Cleared) - Principal Consultant (Contract) An SC-cleared HPC specialist is required to support a high-profile engineering programme within a globally recognised UK manufacturer operating across aerospace, defence, and mission-critical power systems. The focus is modernising how HPC and HPC/ML workloads are built, packaged, and run using MPI-optimised container approaches - with pragmatic, implementable outcomes. What you'll deliver: Rapid review of current HPC estate, workflows, and priority use cases (workshops + technical deep dives) Containerisation capability sessions focused on real HPC and HPC/ML workloads (not generic platform advice) Guidance on MPI-ready container images, build tooling, and repeatable operational patterns Scheduler/runtime alignment and deployment approach (batch, interactive, data science workflows) Clear recommendations and next steps; produce a short written report where required Core technology focus Slurm job...