1 to 25 of 217 Principal Engineer Jobs in London

Principal Telecoms Engineer – Rail A growing UK rail infrastructure and engineering organisation is strengthening its in-house Design & Engineering capability following continued success across major infrastructure projects and long-term framework agreements. You can get further details about the nature of this opening, and what is expected from … applicants, by reading the below. We are seeking an experienced Principal Telecoms Engineer to provide technical leadership across a diverse portfolio of operational telecoms and multidisciplinary rail infrastructure projects. This is an excellent opportunity for an established Principal Engineer, Telecoms CRE, Principal Rail Systems Engineer ...

digital products, services and experiences that capture the imagination and deliver impressive returns for our clients. We are looking for a senior, architecture-led Principal Engineer to join our London Technology team. This is a hands‐on engineering role, not a strategy‐only or evangelism position. You will … Generative AI is increasingly embedded across this design‐to‐application workflow, accelerating the path from design intent to production‐ready code and experiences. The Principal Engineer (Tech Lead) is a key technical contributor across the programme lifecycle, working closely with Technical Managers, cross‐discipline teams and on‐shore ...

London UK-based | Edinburgh or London | Approximately 1 day per week Build the future, in the real world. We’re looking for a Principal Engineer to join us in a Forward Deployed role — working directly with teams to turn emerging technology and platform capabilities into real, production-ready … make effective use of AI and emerging technology without compromising engineering quality. What we're looking for We’re looking for a T-shaped Principal Engineer : broad engineering capability across the full stack, with deep expertise in at least one relevant area. You’ll bring: Strong engineering fundamentals ...

Principal Engineer Shift Pattern: Standard 40 Hour Week (United Kingdom) Scheduled Weekly Hours: 40 Corporate Grade: C - Vice President Reporting Line: (UK Division) Information Technology Location: UK-London Worker Type: Permanent The Principal Engineer is a senior individual contributor responsible for driving the technical direction, architecture ...

Principal Engineer - Cybersecurity Science & Analytics Location: London, GB, E14 5HQ Brand: HSBC Area of Interest: Role Workstyle: Office Worker Date: 13 Oct 2026 Engineer and defend the digital backbone of one of the world’s largest global banks with real hands‐on impact and zero management overhead … harness data, analytics, AI/ML and cybersecurity science to innovate and advance HSBC’s cybersecurity capabilities. We’re looking for a Principal Engineer reporting directly to the Global Head of Cybersecurity Science & Analytics, to set engineering direction across CSA and help solve our most complex technical challenges ...

seamless registration and award-winning mobile event app so participants meet the right people at the right time. The Team We’re hiring a Principal Software Engineer with strong experience across both software engineering and DevOps to join our Grip Engage team. Our engineers are building a best … senior individual contributor role with two dimensions: deep product ownership within the Engage squad, and a wider platform remit working alongside other Principal Engineers and our VP of Engineering Ops to shape how we build and run infrastructure and pipelines across the organisation. We’re an international team ...

Principal Engineer London or Edinburgh (6 days per month in the office) We are collaborating to source a Principal Engineer for a large UK client . You will work from the London or Edinburgh office, working in the office 6 days per month, and the rest … remotely. This is a challenging role that will see you design and engineer software with the customer or user experience as the primary objective. You’ll actively contribute to our architecture, design and engineering centre of excellence, collaborating to improve the bank’s overall software engineering capability. ...

Hays are now looking for a Principal DevOps Engineer for one of our local clients: £644 p/d Inside IR35 Remote with occasional meetings 6 month contract+ Candidates must hold current SC Clearance Principal Engineer - AWS Platform Engineering We're looking for an SC Cleared … Principal Engineer to provide technical leadership across a large-scale AWS platform estate, covering cloud infrastructure, applications, ingest pipelines and live services. You'll act as a senior technical authority, helping drive engineering strategy, governance, operational resilience and delivery across multiple teams and suppliers. What ...

Principal Engineer, Private Markets Technology Trusted by institutions, governments, foundations and individuals worldwide, Macquarie Asset Management manages more than A$700 billion in assets under management across infrastructure, real estate, credit, equities and multi-asset strategies. As one of the world's largest and most experienced real assets … feel supported as you make your own kind of impact for a better future. What role will you play? We're looking for a Principal Engineer/Senior Technical Lead to play a leading technical role across our global Real Assets and Real Estate technology estate. ...

understanding their needs, and translating them into effective outcomes. The Role: This is an exciting opportunity to join our Software Engineering Practice as a Principal Engineer, specialising in Java. As a Principal Engineer, you'll be at the forefront of driving innovation, leading technical teams … project management skills. Agile methodologies A passion for innovation and problem-solving. Excellent communication and collaboration skills. Substantial experience as a hands-on Java Engineer Ability to advocate Java/Coding principles, practices and philosophy Ability to communicate your design, both verbally and in written form Ability to work ...

seeking a Principal Engineer (Platform Architecture) to help lead the design and evolution of our market-leading analytics platform, shaping technical direction while solving complex, real-world problems at scale. About us Founded in 2014, Cassini is the established, core utility provider of analytics and optimization tools … developer productivity Required Qualifications & Experience University degree in a STEM subject from a reputable institution Proven experience in a senior technical role such as Principal Engineer, Technical Architect, or equivalent position working with complex analytical system design Track record of owning, shaping and governing architecture across multiple teams ...

## Head - Principal EngineerLondon, UKApply NowUse AI to find out how well you match with this jobJob ID: JR26101312Date posted: 10/08/2026Function: TechnologyAt a Glance: Your Team: With On’s growth, our Finance and Operations Technology teams are growing, and we’re looking for a Principal Engineer to help scale On’s operations and finance platforms. In this role, you’ll be based in our London office, directly reporting to the Senior Director of Engineering of Operations and Finance Technology, working closely with our operations and finance engineering teams, the product management team ...

Principal Data Engineer Hounslow, Hybrid | £90,000 - £110,000 + Benefits This is an opportunity for a Principal Data Engineer to take ownership of enterprise-scale data engineering initiatives within a well-established organisation undergoing significant investment in its data and technology capabilities. You'll combine … growing data and engineering function * Collaborative environment with strong investment in modern data platforms and technology How to Apply If you're an experienced Principal Data Engineer looking to shape technical strategy, lead engineering excellence, and deliver impactful data solutions, apply today. ...

Principal DevSecOps Engineer - Permanent London | Hybrid - 3 days per week on-site £110,000-£125,000 + 5-10% bonus + pension + benefits | Permanent Build secure, scalable platforms that enable transformation We're looking for a Principal DevSecOps Engineer to lead the adoption and continuous … Provide technical leadership and help establish effective DevSecOps ways of working What we're looking for You'll be an experienced DevSecOps Lead or Principal Engineer with strong hands-on engineering and technical leadership experience across: * CI/CD & GitOps: GitHub Actions, Argo CD, Argo Rollouts * Security & Compliance ...

your interest in joining our team! Key statistics: 950+ Consultants 640+ Ph.D.s 90+ Disciplines 30+ Offices globally Our Opportunity We are currently seeking a Principal Engineer for our Electrical Engineering & Computer Science Practice in London, UK . This position will involve applying fundamental engineering and scientific techniques … real-world problems in failure analysis, risk mitigation, and product development. As a Principal Engineer, you will cultivate relationships with your existing clients, identify new business opportunities, lead teams to perform leading-edge technical analyses, and contribute to the growth of our Electrical Engineering & Computer Science Practice. ...

PRINCIPAL ENGINEER - FULLSTACK COMPANY : Steven.com REPORTING TO : VP of ENGINEERING LOCATION: LONDON ABOUT Steven.com is building the operating system for the creator economy, forecast to pass a trillion dollars by the early 2030's. This industry is currently held back by fragmented tools and a lack of professional … lightly You're intellectually honest: you push back early, surface problems fast, and change your mind when the evidence says to IDEAL BACKGROUND Founding engineer, staff engineer, or technical lead at a startup or high-growth company CS or ML research background with production research experience Published research ...

## Principal Software EngineerApply: London The Point - Cross Border: Full time: Posted Today: R09353# # **Your role**# # **What you'll be doing**## **Principal Software Engineer** ## **What We Need** Corpay is currently looking to hire a Principal Software Engineer within our Alpha … delivery, helping teams make sound trade-offs and building reliable, secure systems that can evolve with the business. ## **How We Work** As a Principal Software Engineer, Corpay will set you up for success by providing:* Assigned workspace in our London office* Company-issued equipment* Formal, hands ...

## Principal EngineerApply: UK-London: Full time: Posted Today: R004529Principal Engineer**Shift Pattern:**Standard 40 Hour Week (United Kingdom)**Scheduled Weekly Hours:**40**Corporate Grade:**C - Vice President**Reporting Line:**(UK Division) Information Technology**Location:**UK-London**Worker Type:**PermanentThe Principal Engineer is a senior individual ...

Description - Principal Software Engineer (17065) Job Description Principal Software Engineer ( 17065 ) Description As a Principal Software Engineer within the eCommerce Platform Delivery team, you will provide leadership and technical stewardship across multiple squads within a defined Mission. You will be responsible for the overall ...

seeking a highly skilled and motivated Principal Technical Engineer with deep experience in Kubernetes and the CNCF landscape to join our growing team In this role you will be a key contributor to the design, implementation and maintenance of our Kubernetes infrastructure, ensuring its scalability, reliability and security … hands‐on role with significant opportunities to impact our technical strategy and influence the direction of our platform We are looking for a Principal Engineer with experience of building cloud platforms and leading software engineering teams that support critical applications at scale in cloud Lead the design, implementation ...

Principal Electronics & Software Product Engineer Location: Cambridge, Cambridgeshire An exciting opportunity has arisen for a Principal Electronics & Software Product Engineer to join a specialist product design consultancy focused on developing innovative technologies for multinational clients across the medical industry. The business has expanded its global capability … growing technical team developing complex electromechanical products from concept through to manufacture. This position is ideal for an experienced electronics or electromechanical product development engineer looking to step into a principal-level role, lead multidisciplinary teams, and take ownership of full product architectures while contributing to business growth ...

client is a software consultancy. Principal Engineer Location : Waterloo, London, England, UK | Hybrid (1 day per week in office) Who We Are We bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions consultancy that partners with organisations from early … benchmark our salaries using Geographic Structures to establish competitive pay ranges within the regions where 8th Lights live. Our pay ranges for our Principal Engineer position within London is: £92,818-£116,122 GBP Reach out to for more relevant information pertaining to your local market. Our Hubs ...

PRINCIPAL SECURITY ENGINEER UP TO £900 Day Rate ( Outside IR35 ) - 6 Month Renewable ( 2Year Projected Contract ) Hybrid Working SECURE has Strategically Partnered with a leading consultancy to support a Global FinTech Leader operating under strict Regulatory Frameworks They are looking for an experienced P rincipal Security Engineer … highly desirable, although they'll value genuine Hands-On Depth & Successful Operational Ownership more highly than "Superficial Familiarity" with every Product. Key Responsibilities of Principal Security Engineering role would include: Security Engineering Leadership across Network & Infrastructure Translate Security Architecture, Risk & Control Requirements into Practical, Scalable Engineering Solutions Lead Complex ...

Principal Forward Deployed Engineer Contract | Outside IR35 | London, Hybrid | DV Cleared This is a contract role, 6 months with a view to extend, Outside IR35, with the day rate to be confirmed. It is hybrid, with 2 to 3 days a week on site in London plus travel … networks. From the first workshop with a security authority through to acceptance and handover, it’s yours. It suits a former technical founder or Principal Engineer who still writes code and is comfortable working independently with senior MOD stakeholders. Responsibilities • Lead technical workshops, demos and discussions with senior ...

place where everyone can grow, develop and fulfil your potential with meaningful careers. ROLE SUMMARY: We are seeking a highly skilled and motivated Principal Technical Engineer with deep experience in Kubernetes and the CNCF landscape to join our growing team. In this role you will … hands-on role with significant opportunities to impact our technical strategy and influence the direction of our platform. We are looking for a Principal Engineer with experience of building cloud platforms and leading software engineering teams that support critical applications at scale in cloud. WHAT ...