7 principal engineer jobs found

End Date Wednesday 21 October 2026 Salary Range £84,624 - £126,936 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary We are looking for Principal Engineers to join our new AI Productivity Lab. The purpose of the Lab is to accelerate internal AI-driven employee productivity and process automation using the latest agentic co-working technologies.   Job Description Job Title: Principal Engineer - AI Productivity Lab   Salary: £84624- £105,780 depending on location and experience  Location:   Bristol, Edinburgh, Leeds or Manchester  Working Pattern:  Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our office location.  About this Opportunity     We are looking for Principal Engineers to join our new AI Productivity Lab. The purpose of the Lab is to accelerate internal...

Principal Security Engineer Location: London (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent Lead advanced security engineering initiatives that safeguard the future of digital finance The Role As a Principal Security Engineer at Capco, you’ll lead the design and implementation of secure systems and processes across cloud and on-premise platforms. You’ll collaborate closely with engineering and client teams to embed security-by-design principles throughout the SDLC, integrate automated security tooling, and ensure resilience against evolving cyber threats. You’ll also use approved AI tools and AI-enabled workflows where appropriate to improve the speed, quality and effectiveness of security engineering, while maintaining human judgement, responsible AI guardrails and appropriate review and escalation. What You’ll Do Design and implement enterprise-wide security controls and frameworks, using approved AI and automation where...

ABOUT US: 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...

Introduction to Citi Markets At Citi Markets, we win together. In a rapidly changing world, our shared vision gives us the clarity, agility and global perspectives we need to shape the future. That's why collaboration plays a central role in how we deliver for clients, develop our people, and grow our business. Our operation is uniquely global. Our client list is remarkably varied. Our product range is incredibly broad. But we're not the finished article. We have big ambitions for the future and all the resources we need to reach them, including some of the smartest people in the industry. Citi's Markets business is one of the world's leading franchises in fixed income, currencies, commodities, equities, and prime finance. We connect institutional clients to deep liquidity, sophisticated risk management solutions, and market-leading execution capabilities across developed and emerging markets. Our equities platform spans cash equities, equity derivatives, convertibles,...

Manager, Data Engineering Lead SwapClear and Listed Rates, LCH Ltd, London LCH, SwapClear and Listed Rates LCH Ltd is an international multi-asset class central counterparty clearing house (CCP), part of the London Stock Exchange Group.  LCH Ltd serves a broad range of exchanges and over-the-counter trading platforms providing critical risk management services.  It has a unique membership model and its customers span the globe and include major financial groups (including the majority of the major investment banks), broker-dealers and specialist commodity houses and a wide range of buy-side and real-money firms including major asset managers and large hedge funds. This role provides an opportunity to work on one of the most critical finance technology functions in the world. The LCH CCP is systematically significant to the world’s financial markets which requires technology that has to be very resilient and with strong controls. LSE Group also provides a chance...

Principal Payments Architect Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Lead innovative payments transformation across financial services. About Capco Capco is a global leader in technology and business consulting, dedicated to driving digital innovation and transformation in financial services. We’ve partnered with over 100 clients worldwide - from pioneering fintechs to established global institutions - helping them adapt, compete, and scale in a rapidly evolving industry. With more than 30 offices globally, we combine deep expertise in banking, payments, capital markets, insurance, wealth and asset management, and energy with an agile, inclusive, and entrepreneurial culture. Role Overview You will play a central role in shaping and delivering some of our clients’ most critical payments transformation programmes, applying your expertise in enterprise and solution architecture alongside your deep knowledge of...

Role Purpose As Group Director, Head of Security Architecture, you’ll be a core member of the LSEG Cyber Security team. You’ll lead and set the direction for the Cyber Security Architecture team which delivers across a number of areas: Principal Security architecture – a team of engineers who ensure security is build in to all projects across the group. Each architect is aligned to our business units and builds a deep relationship with the teams in that unit. Security Architecture Design – a central function that delivers design patterns to ensure a consistent implementation of our controls across the group. This team researches new technologies, and provides guidance on how to secure them. They also run a project to provide a risk posture review across the application portfolio against our standards. This team also runs design forums, assists in policy and standard creation, and provides consulting on hard security problems as needed. Security Architecture review – a...