26 principal mechanical engineer jobs found

Our client, a leading entity in the Defence & Security sector, is seeking a Principal Mechanical Engineer on a contract basis to join their esteemed team. This role is pivotal to their operations across multiple locations, including Cowes, Great Baddow, and Broad Oak. Key Responsibilities: Lead mechanical engineering projects, ensuring timely and effective delivery of solutions. Develop and review detailed mechanical designs, specifications, and documentation. Provide technical guidance and mentorship to junior engineers. Coordinate with cross-functional teams to integrate mechanical systems within defence and security projects. Ensure compliance with industry standards and regulations, including BPSS and ITAR. Conduct risk assessments and implement mitigation strategies. Liaise with clients to understand project requirements and deliver accordingly. Job Requirements: Experience as a mechanical engineer within the defence sector. In-depth knowledge of mechanical engineering...

The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development of new radar technologies. Reporting to the Project Engineering Manager, this role must have an expert general mechanical knowledge with experience in the design, build, integration and test of complex mechanical systems. The holder will themselves be a subject matter expert in at least one area of Mechanical Engineering, for example, Computational Fluid Dynamics, Finite Element Analysis, Structures or Thermal Systems. They may also hold Mechanical Design Authority for the Future Radar Products. Experience and knowledge of the design, build, test and use of composite structural materials is essential. Familiarity with the use of relevant modelling and simulation tools for analysis of structure behaviours under static and dynamic load, shock and vibration is essential Experience and knowledge of the design and implementation of mechanical systems Familiarity with the...

The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development of new radar technologies. Reporting to the Project Engineering Manager, this role must have an expert general mechanical knowledge with experience in the design, build, integration and test of complex mechanical systems. The holder will themselves be a subject matter expert in at least one area of Mechanical Engineering, for example, Computational Fluid Dynamics, Finite Element Analysis, Structures or Thermal Systems. They may also hold Mechanical Design Authority for the Future Radar Products. Experience and knowledge of the design, build, test and use of composite structural materials is essential. Familiarity with the use of relevant modelling and simulation tools for analysis of structure behaviours under static and dynamic load, shock and vibration is essential Experience and knowledge of the design and implementation of mechanical systems Familiarity with the...

Role: Principal Mechanical Engineer Location: Devonport(2 days in a month onsite) Duration: 12 months Inside IR35 Umbrella About our client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and technical disciplines, delivering high-quality and complex engineering projects. It offers a structured and collaborative working environment with opportunities for hands-on experience and professional development. The purpose of the Principal Engineer - Mechanical post is: To manage the delivery of mechanical engineering work packages to the required scope, quality, schedule and cost. Day-to-day, you'll be supporting the engineering capability of the new systems through the design lifecycle in accordance with the design process: Applying systems engineering approach to develop and validate design requirements...

The Principal Thermal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development of new radar technologies. Reporting to the Project Engineering Manager, this role must have an expert thermal mechanical knowledge with experience in the general design, build, integration and test of complex mechanical systems. The holder will themselves be a subject matter expert the area of Thermal Mechanical Systems, with experience in other mechanical areas for example, Computational Fluid Dynamics, Finite Element Analysis, Propulsion or Structures. They may also hold Mechanical Design Authority for the Future Radar Products. Experience and knowledge of the design and implementation of thermal management systems including heat exchangers is essential. Experience and knowledge of the design, build, test and use of composite structural materials is highly desirable. Familiarity with the content, applicability and use of relevant Standards is highly...

12 Month Contract Rate open to negotiation up to £80 per hour umbrella (Inside IR35) Hybrid Working – 1 – 2 days per week on site (ideally) – can offer more remote working with ad hoc visits where required Job Role: The Senior HVAC Engineer will lead the design, integration, and technical assurance of numerous HVAC systems across a complex marine platform. They will apply deep expertise in system performance, capacity assessment, and optimisation to deliver robust, compliant, and customer focused solutions throughout the shipbuilding lifecycle. The role ensures high engineering standards by driving improvements to processes, supporting technical investigations, and providing evidence-based decision making. Strong HVAC and marine/building services systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications and developing HVAC system designs in accordance with project requirements, technical...

Our client BAE Systems, a prominent player in the Defence & Security sector, is currently seeking a Principal Electrical Engineer to join their team on a contract basis. This opportunity involves working on vital projects within the maritime services business unit. The role will be predominantly site-based at either Cowes, Great Baddow or Broad Oak in Portsmouth with hybrid arrangements allowing for 4 days on-site. You will be working within a high-security clearance environment, contributing to critical design and engineering activities over a period of 6 months. Key Responsibilities: Apply depth and breadth of design expertise to generate electrical design solutions for new products and technology integrations into legacy products. Generate detailed designs from concept to completion, addressing a range of complex engineering issues. Function as an engineering, technical, or design authority for Line Replacement Units or subsystems. Core Duties: Design AC & DC...

MERITUS are recruiting for a Principal Quality Assurance Engineer to support with Supply Chain engineering programmes in the defence sphere from our client's site in Stevenage. Please note, there will be regular supplier visits to international sites and you must have awareness of AS9100 and ISO 9001. PRINCIPAL QUALITY ASSURANCE ENGINEER - INSIDE IR35 - £45 PER HOUR (£333 PER DAY) - 6 MONTHS - 2 STAGE INTERVIEW PROCESS - STEVENAGE (+INTERNATIONAL TRAVEL) Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification / inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications Maintain accurate and organized records of all quality control activities Communicate findings to relevant departments / stakeholders and work cross functionally to implement root cause corrective actions at supplier Contribute...

MERITUS are recruiting for a Principal Quality Assurance Engineer to support with Supply Chain engineering programmes in the defence sphere from our client's site in Bolton. Please note, there will be regular supplier visits to international sites and you must have awareness of AS9100 and ISO 9001. PRINCIPAL QUALITY ASSURANCE ENGINEER - INSIDE IR35 - £45 PER HOUR (£333 PER DAY) - 6 MONTHS - 2 STAGE INTERVIEW PROCESS - Bolton (+INTERNATIONAL TRAVEL) Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification / inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications Maintain accurate and organized records of all quality control activities Communicate findings to relevant departments / stakeholders and work cross functionally to implement root cause corrective actions at supplier Contribute to...

Location: Bolton OR Stevenage (2 days per week onsite + supplier travel) Duration: 6 month initial contract Inside IR35 Role details: Our client, a prominent defence organisation, is strengthening its Quality Division and has opportunities for Quality Assurance Engineers to join their Supply Chain team on a contract basis. This role will be based in either Stevenage or Bolton, with the flexibility of hybrid working and travel to UK supplier sites. Responsibilities: The primary responsibility will be to plan and conduct supplier quality audits / surveillance activities to drive future process control. In addition, where applicable carry out inspection / verification activities to support the delivery of conforming production hardware. While ensuring adherence to our customer and supplier requirements. Complete scheduled Quality Assurance audits at suppliers using standardised tools. Conduct thorough verification and inspection of products to ensure they meet the required...

Our client has an opportunity for a Principal Quality Assurance Engineer - Supply Chain to join them on a contract basis. This opportunity provides the chance to work within a dynamic quality team. The primary responsibility will be to plan and conduct supplier quality audits / surveillance activities to drive future process control. In addition, where applicable carry out inspection / verification activities to support the delivery of conforming production hardware. While ensuring adherence to our customer and supplier requirements. Role: Principal Quality Assurance Engineer Location: Stevenage or Bolton, 2 days WFH the rest onsite/visiting suppliers Contract: 6 months rolling Clearance: Full SC required to start - UK Eyes Only due to project Hourly Rate: £40-£45 per hour via Umbrella, inside IR35 What you'll be doing: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification / inspection of products to ensure they meet...

Job Purpose - To develop innovative mechanical design solutions, to current and future aerospace industry challenges, on existing and next generation smart motor and power generation technologies. To lead and deliver project based engineering work-package activities, by ensuring mature and robust mechanical solutions, designed to meet manufacturing, cost and weight targets. Responsibilities - Primary responsibility is to create and support the definition of robust mechanical design solutions, for R&D / R&T project/s, by ensuring the designs are technically robust, fit for purpose and meet both the business and customer needs. - Responsibility for the oversight and approval of design solutions, delivered by other Product Engineers within designated teams. Where necessary, support other senior, Principal and Senior Principal Engineering teams with design review and approval. - Support and/or ownership of, one or more Engineering Work Packages, for the Mechanical...

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Structural Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.     Candidates with a FE / FEA background ( Structural Engineer / Structural Analysis / Stress Engineer ) ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £50.00 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 will be onsite 4 days per week.  a 4-Day week of Monday to Thursday is possible. 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   Principal Structural Engineer Job Description: The Mechanical Analysis Group are looking for a Principal...

Data Analyst +Hybrid working in Reading +SC cleared role +Inside IR35 +£83 ph Skills: +Data Analyst +MOD experience +SC cleared - Sole British nationals only due to nature of the project Are you an experienced SC cleared Data Analyst ready to lead impactful, data-driven innovation? We're looking for a Principal Data Analyst to drive the design and delivery of advanced analytics solutions that inform strategic decisions and unlock business value. In this role, you'll be at the forefront of our data journey - leading technical initiatives, mentoring colleagues, and influencing how the organisation harnesses data. What You'll Do Lead the design and delivery of complex analytics and insight solutions across multiple projects Oversee dashboarding, reporting, and automation workflows using SQL and cutting-edge tools Define and implement best-practice data governance, security, and compliance standards Collaborate with architects, engineers, and business leaders to shape...

Principal Test Equipment Engineer 100% on site in Edinburgh The opportunity: Are you interested in developing test equipment for some of the most cutting-edge defence and aerospace projects in the UK? If you like the sound of developing test equipment for projects such as the SAAB Gripen jet, then Leonardo would like to hear from you. We are looking for an experienced Principal Test Equipment Engineer to join the development team on a complex Automatic Test Equipment system within Product & MRO Services of the Customer Support Services Solutions (CS3) at our Edinburgh based site. You will be required to work within a multi-disciplined engineering team in the delivery of technical solutions for the project. The successful candidate will be involved in a wide variety of engineering activities including, but not limited to, involvement with the design and development of solutions for Automatic Test Equipment systems, integration testing, qualification, certification and...

We are looking for an Electrical Site Manager to oversee an electrical package for a major tunnel upgrade project, including the design, supply, installation, integration, testing, commissioning, and handover of the Tunnel Control System (TCS) and associated tunnel systems. We are seeking an experienced Electrical Site Manager to lead the on-site delivery of all electrical works within a live highways tunnel environment. This role is critical to ensuring safe, compliant, and high-quality installation and integration of complex tunnel systems. Key Responsibilities Site Management & Delivery Manage day-to-day electrical site operations across tunnel works Lead installation of electrical systems including: Tunnel lighting systems LV distribution and containment Emergency systems (UPS, fire alarm interfaces, etc.) SCADA / Tunnel Control System (TCS) infrastructure Ensure works are delivered in line with programme, budget, and quality requirements Coordinate subcontractors,...

Principal Traffic Engineer   London   6-month contract   £40 - £45 per hour Full time Are you an experienced Principal Traffic Engineer looking for your next challenge?   Our client is seeking an experienced Principal Traffic Engineer to join them on a ongoing Contract.     Key Responsibilities: ·Review and sign off on Road Safety Audits (RSAs) at all stages in compliance with national standards and best practices. ·Oversee the development and implementation of road safety in line with the Council's objectives, Vision Zero, and Healthy Streets. ·Ensure that road safety considerations are embedded within all transport and highway improvement schemes. ·Act as the lead technical advisor on traffic engineering policies, safety initiatives, and enforcement measures, working closely with transport planning, enforcement, and legal teams. This role will go quickly so please apply with an updated CV, email (url removed), alternatively call on (phone number removed) for...

Setting Out Engineer Specialist Contractor Site Surveys and Cut & Fill Freelance: 2-3 weeks Rate: £300 per day CIS Location: Bicester We are currently searching for a Setting Out Engineer for a fast-paced cut & fill package in Bicester. You will be working for a subcontractor who specialises in these packages, working alongside the principal contractor on the scheme.   The Role: Carrying out topographical and pre-earthworks surveys, establishing existing ground levels and site constraints Setting out cut and fill operations, including formation levels, profiles, batter lines and haul roads in line with design models Establishing and maintaining site control, including GPS control points, datums and gridlines Using GPS, total station and machine control systems to guide earthworks operations and ensure accuracy Monitoring cut & fill progress, carrying out regular surveys to track volumes, levels and compliance with design tolerances Producing volume...

We are looking for an Electrical Site Manager to oversee an electrical package for a major tunnel upgrade project, including the design, supply, installation, integration, testing, commissioning, and handover of the Tunnel Control System (TCS) and associated tunnel systems. We are seeking an experienced Electrical Site Manager to lead the on-site delivery of all electrical works within a live highways tunnel environment. This role is critical to ensuring safe, compliant, and high-quality installation and integration of complex tunnel systems. Key Responsibilities Site Management & Delivery Manage day-to-day electrical site operations across tunnel works Lead installation of electrical systems including: Tunnel lighting systems LV distribution and containment Emergency systems (UPS, fire alarm interfaces, etc.) SCADA / Tunnel Control System (TCS) infrastructure Ensure works are delivered in line with programme, budget, and quality requirements Coordinate subcontractors,...

Contract Opportunity - Immediate Start - Initial short-term contract potential to extend We are seeking an experienced Structural Engineer to join a technically challenging topside brownfield project. This is a remote contract opportunity working with a multi-disciplined team of specialists delivering engineering and design solutions in the energy sector. Key Responsibilities: Structural analysis and design for topside and brownfield projects Prepare calculations and documentation using Mathcad Model and analyse structures in STAAD Support project delivery from concept through detailed design Collaborate with multidisciplinary teams to ensure design integrity and compliance Contribute to technical reviews, quality assurance, and HSE compliance Essential Requirements: Proven structural engineering experience in topside or brownfield projects Strong proficiency in Mathcad and STAAD Solid understanding of structural design principles, codes, and standards Experience in offshore...