45 principal engineer jobs found

Private Cloud Principal Engineer - Cloud & Platform EngineeringLocation: Sheffield (3 days onsite per week mandatory) Duration: Initial 3-6 Month Contract Rate: Up to £700 per day Engagement: PAYE via Umbrella Only Overview An exciting opportunity has arisen for an experienced Principal Engineer to join a large-scale enterprise cloud engineering function. This role will provide technical leadership across critical platform engineering initiatives, focusing on private cloud technologies, Kubernetes, container platforms, event streaming and microservices enablement.Working closely with Product Owners, Architects, Infrastructure Engineers and Engineering teams, you will play a key role in shaping platform strategy, defining engineering standards and driving the delivery of secure, resilient and scalable cloud services. This is an excellent opportunity for a senior engineering professional who thrives on solving complex technical challenges and influencing technical direction...

Principal Civil, Structural & Architectural Engineer Westlakes, Cumbria | Hybrid (3 Days Onsite) £61/hour (Inside IR35) | 12+ Month Contract | SC Clearance Required Lead the delivery of a key infrastructure refurbishment project within one of the UK's most important nuclear programmes. We're seeking an experienced Principal CS&A Engineer to take the technical lead on a major building refurbishment feasibility study at a highly regulated nuclear facility. This is an excellent opportunity to influence engineering strategy, develop innovative solutions, and work alongside multidisciplinary teams on a safety-critical project. As the Principal Engineer, you'll lead the development of engineering options for a significant roof refurbishment programme, ensuring solutions meet technical, operational, and regulatory requirements while extending the life of an essential nuclear facility. What You'll Be Doing Lead the delivery of a feasibility study for a major building...

Principal Engineer - Configuration Control 12 months £72.54 per hour (Inside IR35) 1-2 days a month on site, any of Barrow, Weymouth, Frimley, Bristol, Portsmouth At BAE Systems, you'll be working at the forefront of developing technology and solutions that help protect what matters most. From advanced engineering and digital innovation to world-class manufacturing and support, our people work together on projects that make a real difference to the world around us. Joining BAE Systems means becoming part of a diverse, talented and collaborative team where you can build your skills, take on meaningful challenges and shape your career. Whether you're an experienced professional or looking to take your first step into the industry, you'll have the opportunity to contribute to work that matters while being supported to reach your full potential. The Principal Engineer - Support Engineering (Configuration Control) will be able to understand and report the programme status for...

Principal Electronics Engineer Southampton 6-month contract Paying up to £79p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable Overview Primary focus on the design and development of digital processing electronics and support to RF and analogue power circuitry for complex laboratory and aircraft sensor systems. You will work across a range of projects throughout various stages of the product lifecycle, from initial concept development through to early life production and field support. Key Responsibilities: Design and development of mixed-technology electronic designs comprising of one or more Microcontrollers, CPLD and/or FPGA devices interfacing with RF and analogue circuits. Generating concise technical reports detailing design solutions, implementation rationale and test reports. Implementation of digital interfaces such as Ethernet, CAN, I2C,...

Mechanical Design Engineer required for long term contract assignment based in Stevenage Responsibilities: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies. * Support/liaise with manufacturing, resolving manufacturing problems & defects. * Support to functional & environmental testing and trials. * Liaise with suppliers/purchasing to resolve any technical queries that may arise. * Planning and reporting on own day-to-day activities to meet project milestones. * Gain clarification of and help to generate requirements, including challenging of extraneous requirements to reduce lead time, UPC and design complexitySkillset/experience required: * Experience using Creo 3D design tool Knowledge of several of the following: * Manufacturing processes * Tolerance studies * Environmental test * Mass property calculations * Material selection * FMEA * Design for...

Principal RF Engineer Southampton OR Bristol 6-month contract Paying up to £75p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold a high level of UK Security clearance - please only apply if suitable Key Responsibilities: Practical hands-on experience of RF design of circuitry, ideally between DC and 30 GHz, but if you don?t have experience over this whole range then we?d still be interested to hear from you. You will be responsible for delivery of work packages focused on analogue and RF electronics, covering the inter vehicle data link design, system test and integration. Modelling of proposed architectures to determine the optimal solution. Simulation of RF design. Documentation of design including configuration management within Teamcenter. Support laboratory hardware demonstrator development and test. Experience of working with PCB layout personnel in an advisory capacity. Hands on experience of using RF test and measurement equipment to...

Location: Oakdale, Wales (hybrid working) Duration: 6 month initial contract Rate: £600 per day LTD (Outside IR35) Role details: Our client, a leader in the Defence & Security industry, is currently seeking a Safety Engineer to join their Mission Systems team. Key Responsibilities: The candidate will be responsible for the creation and management of Safety Plans and Safety & Environmental Cases in accordance with processes. They will provide analysis of software and hardware design capabilities in order to identify hazards, their causes and consequences, and formulates specific functional safety requirements and/or operational processes. We are looking for competence in the following areas: System and product safety case plans and reports Software Safety Fault Tree and Event Tree Analysis Modular Safety Cases and Goal Structuring Notation (GSN) Def Stan 00-051, 00-055; 00-056; IEC 61508; DSA02.DLSR.LSSR; DO-254; DO-178B and C; HAZOPS Safety Integrity Levels (SILs)...

We are currently seeking an experienced Principal Substation Primary (HV Plant) Design Engineer to join a high-performing engineering team delivering major electricity transmission and substation projects. Candidates are required to hold an active BPSS clearance to be considered for this role! This is an excellent opportunity for an experienced primary plant engineer to take a senior technical leadership role across complex transmission-scale projects, while also contributing to team development, client relationships, tendering and business growth. The Role As Principal Primary Design Engineer, you will lead the delivery of FEED and detailed design workstreams for major electricity transmission substation projects. You will provide technical leadership across the HV primary plant discipline, working closely with multidisciplinary engineering teams, clients, suppliers and subcontractors to ensure technically robust and compliant solutions are delivered. Your responsibilities...

We are currently seeking an experienced Principal Substation Secondary (Protection & Control) Design Engineer to join a high-performing engineering team delivering major electricity transmission and substation projects. Candidates are required to hold an active BPSS clearance to be considered for this role! This is an excellent opportunity for a senior P&C engineer to take a leading technical role across complex, transmission-scale projects, while also contributing to team development, client relationships, tendering and business development. The Role As Principal P&C Design Engineer, you will lead the delivery of FEED and detailed design workstreams for major substation projects, ensuring engineering solutions are technically robust, compliant and delivered to the required standards. You will provide technical leadership to the P&C team while working closely with multidisciplinary engineering, project management, commercial and delivery teams. Key...

Principal AI Data Engineer Certain Advantage is hiring for a Principal AI Data Engineer based in London. This role is an initial contract until the end of the year and is hybrid, requiring 3 days per week onsite in London. You'll be responsible for: Developing AI, GenAI and Agentic AI prototypes using Azure AI Foundry, Copilot Studio, Databricks Mosaic AI and MLflow. Building, optimising and evaluating Retrieval-Augmented Generation (RAG) solutions using prompt engineering and embedding models. Designing and deploying AI agents using frameworks including LangChain, LangGraph and AutoGen. Delivering production-ready GenAI applications for commercial teams within Trading & Supply. Building scalable AI workflows on Databricks using Mosaic AI, MLflow, Genie and AgentBricks. Applying DevOps best practices through CI/CD pipelines, GitHub workflows and automated testing. Designing evaluation frameworks to benchmark, test and improve GenAI system performance and reliability.  The...

Principal RF Engineer (Contract) - 1755 Location: Edinburgh (c.90% onsite) Contract: 12 months Rate: Up to £78.06/hr (Umbrella) We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. About the role An experienced RF Engineer is required to support the development of advanced RF and microwave subsystems for next-generation, safety-critical defence technology. You'll work across the full hardware lifecycle, from concept and detailed design through to integration, verification and production support, collaborating with multidisciplinary engineering teams on cutting-edge RF solutions. What you'll do Design and develop RF/microwave subsystems, PCBs and modules. Support the full hardware lifecycle, from concept through to production. Carry out RF testing, integration and design verification. Produce manufacturing data packs, technical documentation and design reviews. Work...

Principal Mechanical Engineer – Nuclear  About the Company Our client is a leading engineering and project delivery organisation operating across highly regulated sectors including nuclear, energy, water and infrastructure. They deliver complex engineering solutions for major UK programmes and are continuing to expand their nuclear capability. The Role An opportunity has arisen for an experienced Principal Mechanical Engineer to support the delivery of major nuclear projects, specialising in Nuclear Mechanical Handling. The successful candidate will provide technical leadership, manage engineering resources, oversee design delivery and support the development of junior engineers. Key Responsibilities Lead mechanical engineering design activities across the project lifecycle. Manage technical interfaces and multidisciplinary design teams. Review, check and approve engineering deliverables. Ensure compliance with relevant regulations, codes and standards. Support project...

Job Title: Technical Author Location: Hybrid working across the East Midlands, West Midlands, South West England and Wales. Remuneration: Daily rate of £600 Contract Details: Temporary contract until 31st December 2026 Responsibilities Our client is seeking an experienced Technical Author to play a pivotal role in the redevelopment and standardisation of technical specifications. This role is crucial to the success of future capital works programmes, ensuring specifications are clear, consistent and commercially robust. The successful candidate will be responsible for reviewing existing documentation, identifying opportunities for improvement, benchmarking against industry best practice and producing a suite of fit-for-purpose specifications that support procurement and tendering activities. Key responsibilities include: Reviewing and assessing existing technical specifications to identify inconsistencies, ambiguities and areas for improvement. Evaluating current...

Lead/Principal Technical Safety Engineer This is an exciting opportunity, potentially extending to around two years, for a Lead/Principal Technical Safety Engineer to join a new Aberdeen office supporting the necessary upgrades for the INEOS FPS Kinneil terminal to carry it through to end-of-life operation beyond 2040. The selected candidate will be an effective team player, driven by excellence and self-motivated to produce high quality technical safety documentation in line with agreed project budgets and timescales. You will initially join a technical safety project team comprising an experienced Lead/Principal Technical Safety Engineer and a Technical Safety Engineer from our Manchester office (working remotely) but will soon be expected to be leading work packages in your own right. Additional technical safety support is available from our Manchester based team of 8 staff Technical Safety Engineers, ranging from graduate to principal engineers and led by an experienced...

Mechanical Design Engineer Contract: 6 Months | Outside IR35 Working: Monday–Friday | 3 Days Office-Based Sector: Rail, Utilities & Airports Employer: Principal Contractor The Role: We are looking for an experienced Mechanical Design Engineer to join a Principal Contractor delivering major infrastructure projects across the Rail, Utilities and Airport sectors. The role will focus on delivering detailed mechanical building services designs, with a strong emphasis on HVAC systems. You will work as part of a multidisciplinary design team, supporting projects from detailed design through to construction. Key Responsibilities: * Deliver detailed mechanical and HVAC designs. * Produce drawings, layouts, specifications and technical documentation. * Carry out design calculations and equipment sizing. * Coordinate designs with multidisciplinary teams. * Ensure designs meet relevant standards and client requirements. * Resolve technical queries and support design...

Job Specification - Principal Substation Secondary (P&C) Design Engineer Job Title: Principal Substation Secondary (P&C) Design Engineer Location: Glasgow, Leeds, Birmingham or Epsom Contract: 12 months Sector: Power & Energy / Transmission About the Role We are seeking a Principal Substation Secondary / Protection & Control Design Engineer to provide technical leadership across major transmission-scale projects. This role combines P&C technical leadership, team management, client engagement, bid ownership and business development. You will lead P&C FEED and detailed design workstreams, provide technical assurance and develop the capability of the wider engineering team. Key Responsibilities Technical Leadership Lead P&C FEED and detailed design for major transmission projects. Provide technical assurance across P&C design packages. Review protection schemes and protection philosophies. Review protection settings, coordination and relay...

Construction Rail Engineer (CRE) - Immediate Start Based in Bristol Start Date: ASAP Contract Type: Contract / Freelance £(Apply online only) per day  About the Role: We are seeking an experienced and highly competent Construction Rail Engineer (CRE) to join our team on a major rail infrastructure project. The successful candidate will be responsible for the safe and efficient delivery of engineering and construction activities, ensuring compliance with Network Rail standards, project specifications, and industry best practices. Responsibilities: - Fulfil the duties of the nominated CRE in accordance with Network Rail governance and standards. - Lead and coordinate all construction engineering activities across the project lifecycle. - Ensure all works are planned, managed, and delivered safely, efficiently, and in compliance with project requirements. - Review, assess, and approve construction methodologies, work package plans, engineering deliverables, and technical...

Job Purpose / Overview To provide professional, high quality engineering support to the HPC Project on behalf of the Plant Configuration Function of the NNB Technical Directorate and to ensure that the proposed design is compliant with UK regulations and context. Contextual Information EDF has an established UK-based New Nuclear Build team (NNB Genco) developing EDF's interests in new nuclear in the UK. EDF's ambition is to construct and operate two new EPR's at Hinkley Point in Somerset. Each plant will cost several billion pounds to construct and at the operating stage will employ several hundred people. The Plant Integration team is responsible for ensuring the configuration and control of the HPC Nuclear Power Plant design to underpin the timely and effective delivery of the overall project schedule. It assists with progressing aspects such as consistent design compliant to a set of agreed requirements and consistently implemented in the physical installation (also known as...

Project Manager Position Type: Contract Location: North East PM Group requires a Project Manager to support a pharmaceuticals client based in the North East. Responsibilities: * Project engineering of the Works. * Delivery and management of small – medium sized projects in accordance with the company project roadmap throughout the project lifecycle ensuring governance to current engineering standards and compliance with CDM regulations. * Strict GMP compliance to be adhered throughout the lifecycle of the project. * Coordination with the Principal Contractor and all other project team members to ensure completion to schedule. * Project management services to oversee the completion snags and any construction defects identified. * Project management services to oversee the completion of any installation, commissioning and qualification by liaising with the vendor, company Validation and any other company teams. * Weekly project progress reporting to the...

Sub Agent - Southern Water FrameworkContract Role | Main Contractor | Southern Region Hays Civil Engineering is recruiting for an experienced Sub Agent to join a leading UK infrastructure contractor delivering a significant programme of works across the Southern Water framework. Working on a range of water and wastewater projects throughout the South of England, this role offers the opportunity to be involved in the delivery of essential infrastructure schemes, including treatment works upgrades, pipelines, reservoirs, pumping stations and other complex civil engineering projects. This is an excellent opportunity for a Sub Agent looking for a long-term contract assignment with a busy and well-established contractor operating across a major AMP programme. Key Responsibilities Managing the safe and efficient delivery of allocated sections of work Supporting the Site Agent and Project Manager with day-to-day site operations Coordinating site teams, subcontractors and suppliers...