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17 principal engineer jobs found in Portsmouth

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BAE Systems
19 Mar, 2026
Principal Engineer – Above Water Surveillance
BAE Systems Frimley, Camberley, UK
Job Title: Principal Engineer – Above Water Surveillance Location: Frimley We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. What you’ll be doing: You will provide specialist knowledge and subject matter expertise to develop the functional design of the Above Water Surveillance system, whilst defining the systems architecture,...
BAE Systems
14 Mar, 2026
Principal Engineer – Safety Engineering (Safety Requirements)
BAE Systems Weymouth, UK
Job Title: Principal Engineer – Safety Engineering (Safety Requirements) Location: Weymouth, hybrid We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Salary: Circa £60,000 depending on experience Who we are Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future for all of us. From the depths of the ocean to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. What you will be doing In this role, you will lead and manage the end-to-end safety requirements process within the Dreadnought Combat Systems Safety...
BAE Systems
05 Feb, 2026
Principal Engineer – Safety and Environmental (Safety)
BAE Systems Coventry, UK
Job Title: Principal Product Safety Engineer Location: Coventry – We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Negotiable depending on experience What you’ll be doing: Working as part of an Integrated Development Team, established to develop and deliver submarine systems/capability Specifically focusing on ensuring that Product Safety tasking and activities are completed across multiple systems in support of project milestones through all stages of Engineering Life Cycle Management Supporting Hazard Identification and Analysis studies Assisting with or generating safety reports Ensuring the Integrated Development Team operates within the project Safety Management System Liaising with other Integrated Development Teams and the Whole Boat Safety Team Your skills and experiences: Obtained or predicted 2:2 in a Bachelor’s or Master ‘s...
RE
24 Feb, 2026
Permanent
Principal Engineer
RM Education Limited Abingdon, , United Kingdom
Overview: Would you like to help enrich the lives of learners around the world?      At RM, we’ve been pioneers of education technology since 1973. We provide technology and resources to the education sector, supporting over 10 million students worldwide. We work with over28,000 schools, nurseries, and education trusts in 115 countries to deliver customer-centric solutions that improve education outcomes.       What we do helps learners at all stages of their lives, from preschool to higher education and professional qualification; we partner with schools, examination boards, central governments and other professional institutions to enrich the lives of learners.      RM Group operates through three businesses: Technology (Managed Services, Software and Infrastructure for Schools), Assessment (Software and Services) and TTS (Educational Resources).       Within the assessment market we are experts in providing solutions for online exam testing and...
BAE Systems
20 Mar, 2026
Principal Safety Engineer
BAE Systems Frimley, Camberley, UK
Job Title: Principal Engineer – Safety Location: Frimley, Weymouth, Bristol, Portsmouth or Plymouth. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Circa £60,000 depending on experience Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. What you’ll be doing: You will be providing advice on product safety matters to project and engineering managers whilst ensuring that the safety...
BAE Systems
16 Mar, 2026
Principal Mechanical Engineer
BAE Systems Portsmouth, UK
Job Title: Principal Mechanical Engineer Location: Portsmouth Naval Base working a hybrid pattern We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Circa £54,500 dependent on experience + bonus scheme Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. What you’ll be doing: You will provide comprehensive mechanical engineering support across a wide range of platform systems, including fluid,...
BAE Systems
13 Mar, 2026
Principal Systems Engineer
BAE Systems Frimley, Camberley, UK
Job Title: Principal Systems Engineer Location: Frimley, Hybrid, 3 days on site weekly We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow – shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space – there’s no limit to where a career at BAE Systems could take you. What you’ll be doing: In this role, you will provide technical ownership of CCS design, supporting the Engineering Manager in delivering in-service programmes and leading key design...
LS
19 Mar, 2026
Permanent
Principal Machine Learning Engineer
London Stock Exchange Group London, UK
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people...
IC
14 Mar, 2026
Permanent
Palantir Engineer Specialist - Sr. Consultant - Principal
Infosys Consulting London, UK
Palantir Engineer Specialist - Sr. Consultant - Principal - London About Us Do you want to boost your career and collaborate with expert, talented colleagues to solve and deliver against our clients' most important challenges? We are growing and are looking for people to join our team. You will be part of an entrepreneurial, high-growth environment of 300,000 employees. Our dynamic organization allows you to work across functional business pillars, contributing your ideas, experiences, diverse thinking, and a strong mindset. Are you ready? About Your Role As a Senior Consultant / Principal Consultant - Palantir Engineer , you lead and deliver end-to-end, data-driven solutions using Palantir Foundry in complex client environments. You operate at the intersection of engineering, data, and consulting, working closely with business and technical stakeholders to translate complex problems into scalable, production-ready solutions. You combine strong hands-on technical skills with a...
BAE Systems
14 Mar, 2026
Senior/Principal Hardware Engineer
BAE Systems Rochester, UK
Job Title: Senior/Principal Hardware Engineer Location: Rochester – Onsite Salary: £55,000 to £65,000 per annum Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. What you’ll be doing: This role focuses on delivering complex hardware design activities in line with development plans, budgets and schedules. It includes capturing requirements, producing preliminary and detailed designs, and performing the necessary analysis to ensure robust solutions. The position encourages innovation by...
BAE Systems
09 Mar, 2026
Principal AI/LLM Engineer
BAE Systems Rochester, UK
Job Title: Principal AI/LLM Engineer Location : Rochester, Kent. Salary: Circa £75,000 depending on experience and skills What you’ll be doing: Architecture & Design Authority – Define / maintain the reference architecture for the BAE ES UK AI/LLM infrastructure across on-prem GPU clusters, virtualized environments. Experience in Engineering & Deployment – Deploy and maintain LLM inference, Implement RAG pipelines, Build CI/CD for AI models Optimisation & Monitoring of the AI stack Security, Compliance & Governance – Work closely with IT Security, Data Governance, and Architecture Boards to ensure compliance with GDPR, BAE Global Cyber Security Standards, SOC2, ISO27001, HIPAA (if applicable) Mentoring other staff members Presenting to senior leadership Team Your skills and experiences: Essential: Proven experience deploying AI/ML platforms in enterprise/on-prem environments Deep knowledge of Kubernetes, Docker,...
BAE Systems
10 Mar, 2026
Principal Systems Engineer
BAE Systems Chelmsford, UK
Job Title: Principal Systems Engineer Location: Chelmsford – Great Baddow, Hybrid, 3 days weekly onsite We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £75,900 commensurate with skills and experience. Part time & accruing hours available’ Please let us know if you would like to discuss these options. Put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribute to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and...
IC
14 Mar, 2026
Permanent
Palantir Foundry Senior/Principal Consultant
Infosys Consulting London, UK
A leading management consulting firm is seeking a Senior Consultant / Principal Consultant - Palantir Engineer to lead and deliver innovative, data-driven solutions using Palantir Foundry. The role requires strong programming skills in Python and SQL, with hands-on experience in complex client environments. Successful candidates will have a focus on solution quality, governance, and a collaborative approach to defining client needs. This position offers exceptional growth opportunities in a dynamic environment.
SL
06 Mar, 2026
Permanent
Principal Consultant - Programme Advisory
Snc-Lavalin London, UK
Principal Consultant - Programme Advisory page is loaded Principal Consultant - Programme Advisorylocations: GB.London.Nova Northtime type: Full timeposted on: Posted Yesterdayjob requisition id: R-147878 Job Description OverviewWe're AtkinsRéalis, a world-leading design, engineering, and project management organisation. We connect people, data, and technology to transform the world's infrastructure and energy systems.Become a vital member of our Delivery Partner team, proudly taking on some of the world's most exciting and prestigious programmes such as Hinkley Point C, Sizewell C, High Speed 2 and Heathrow. Join us, and you'll be part of our genuinely collaborative environment, where everyone is supported to make the most of their talents. It's about recognising everyone's contributions equally while delivering excellence together.Our Programme Advisory Team:Last year the Programme Advisory team was one of the fastest-growing business practices, driven by our success in the...
SL
18 Mar, 2026
Permanent
Senior/Principal Planning Consultant
Snc-Lavalin Cardiff, UK
Senior/Principal Planning Consultant page is loaded Senior/Principal Planning Consultantlocations: GB.Bristol.The Hub: GB.Cardiff.2 Capital Quarter Tyndall streettime type: Full timeposted on: Posted Todayjob requisition id: R-144962 Job Description OverviewAtkinsRéalis is one of the world's leading multi-disciplinary consultancy firms offering unparalleled opportunities for talented individuals in search of a rewarding career. At AtkinsRéalis we offer an opportunity to make a difference and shape the world to benefit future generations and the environment.Our UK Environment Practice is a vibrant network of over 600 people providing world class consultancy and advisory services. We care about outcomes for our clients and the unprecedented challenges they face including climate change, social inclusion and rapid urbanization. The work we do is important and influential and shapes the way our clients think, enables them to make better decisions and to deliver their projects in a...
MS
17 Mar, 2026
Permanent
Head of Software Engineering - Personalisation
Marks & Spencer Plc City of Westminster, London, UK
We are seeking a visionary Head of Software Engineering to lead our Personalisation team. Reporting to the Senior Head of Software Engineering, you will play a pivotal role in shaping our technology strategy, influencing enterprise-wide engineering practices, and ensuring our capabilities meet the highest standards of security, compliance, and performance. As part of the M&S Software Engineering team, you'll be joining a well-loved historic brand, working on solutions that serves millions of loyal customers and thousands of colleagues! With ethical values that run right through the company's core and technology leaders that truly understand software engineers and engineering, it's an exciting time as we're redefining ourselves into a digital first and engineering-led organisation, with the quality of our engineering team being a key differentiator. We are seeking a passionate Head of Software Engineering who will provide technical expertise, ship thoughtfully and operate...
IE
24 Feb, 2026
Full time
Treasury Analyst
Intercontinental Exchange Holdings, Inc. London, , United Kingdom
Job Description: Job Purpose Intercontinental Exchange (NYSE:ICE) is a Fortune 500 company that operates a leading network of global futures, equity and equity options exchanges, as well as global clearing and data services across financial and commodity markets.    By putting the needs of our customers and global participants first, we are a high-growth company that started by bringing transparency and risk management to the global derivatives markets. We’re engineers, strategists and problem-solvers who continually create and improve technology that solves market structure challenges on behalf of the industry.   Treasury is a department in a systemically important organization; the team is responsible for managing the collateral and liquidity position in the Clearing House including: Managing investments of ICEU capital and cash collateral from Clearing Members Managing the Clearing House liquidity profile and liquidity stress testing framework Coordination with...
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