City of London, London, United Kingdom Hybrid/Remote Options
Oliver Bernard
PrincipalEngineer - Python, AWS, React, TypeScript, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Principal Level Engineers to their team, to work … many more. The roles will be heavily weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. PrincipalEngineer - Python, AWS, React, TypeScript, Microservices PrincipalEngineer: 8+ years of commercial experience Experience guiding multiple teams and helping set technical direction My have strong demonstrated … working A Consulting background will be highly advantageous Pays £120k-£135k - + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices PrincipalEngineer - Python, AWS, React, TypeScript, Microservices More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Oliver Bernard
PrincipalEngineer - Python, AWS, React, TypeScript, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Principal Level Engineers to their team, to work … many more. The roles will be heavily weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. PrincipalEngineer - Python, AWS, React, TypeScript, Microservices PrincipalEngineer: 8+ years of commercial experience Experience guiding multiple teams and helping set technical direction My have strong demonstrated … working A Consulting background will be highly advantageous Pays £120k-£135k + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices PrincipalEngineer - Python, AWS, React, TypeScript, Microservices More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Oliver Bernard
PrincipalEngineer - Python, AWS, React, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Principal Level Engineers to their team, to work on … many more. The roles will be heavily weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. PrincipalEngineer - Python, AWS, React, Microservices 8+ years of commercial experience Experience guiding multiple teams and helping set technical direction My have strong demonstrated knowledge of Python Knowledge of … working A Consulting background will be highly advantageous Pays £120k-£135k - + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices PrincipalEngineer - Python, AWS, React, Microservices More ❯
PrincipalEngineer - Python, AWS, React, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Principal Level Engineers to their team, to work on … many more. The roles will be heavily weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. PrincipalEngineer - Python, AWS, React, Microservices 8+ years of commercial experience Experience guiding multiple teams and helping set technical direction My have strong demonstrated knowledge of Python Knowledge of … working A Consulting background will be highly advantageous Pays £120k-£135k - + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices PrincipalEngineer - Python, AWS, React, Microservices More ❯
Los Angeles, California, United States Hybrid/Remote Options
Cannon Corp
clients in the energy industry, water resources, public infrastructure, and commercial and residential development. We work hard. We play hard. We have fun. JOIN CANNON as a CIVIL SENIOR PRINCIPALENGINEER in WATER RESOURCES in WEST LOS ANGELES. West Los Angeles is known for its many popular recreational opportunities and our office is conveniently located adjacent to the … INCLUDE Wastewater Treatment Facilities, Collection Facilities, Water Distribution Systems, Water Treatment Plants, Storm Drainage Collection Systems and Facilities, Water Main Replacements, Potable Water Pump Stations and Reservoirs. CIVIL SENIOR PRINCIPALENGINEER JOB SUMMARY As a California licensed PE, responsible for project management (scope, schedule, budget, and business development), preparing engineering reports and analyses, designing, and preparing plans, specifications …/Water Resources projects. Assignments include mentoring less-experienced team members. In this role, the Project Manager will be responsible for obtaining new business (seller-doer). CIVIL SENIOR PRINCIPALENGINEER JOB DUTIES Concurrently manages a variety of civil engineering Public Works-Water Resources projects. Tracks project scope, budgets, and schedules to ensure fulfillment of contract commitments and More ❯
Camberley, Surrey, United Kingdom Hybrid/Remote Options
Telent Technology Services Limited
PrincipalEngineer - Wireless When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected …/7. Reporting into the Head of Focal Engineering, the PrincipalEngineer will work on a number of exciting Wireless Design and Implementation projects for customers across England in the Education and Government sectors as well as others. This is a hybrid working role, with a requirement to travel to our customer sites on occasion. What you'll … design and implementation of enterprise-grade wireless network solutions across universities in England, leveraging Cisco and Juniper technologies to deliver secure, scalable, and high-performance connectivity. Act as the principal design authority, setting technical direction, standards, and best practices for campus wireless and wired infrastructure, ensuring alignment with university digital transformation objectives. Develop and review detailed low-level designs More ❯
Gloucestershire, United Kingdom Hybrid/Remote Options
Synoptix
Principal Systems Engineer The Role: As a Principal Systems Engineer at Synoptix you will be helping guide the scope and direction of the engineering projects you are working on. As an agile business in the true sense the principalengineer will be given the relative freedom to take ownership at the strategic level of More ❯
Bristol, Gloucestershire, United Kingdom Hybrid/Remote Options
Synoptix
Principal Systems Engineer The Role: As a Principal Systems Engineer at Synoptix you will be helping guide the scope and direction of the engineering projects you are working on. As an agile business in the true sense the principalengineer will be given the relative freedom to take ownership at the strategic level of More ❯
Bristol, Avon, South West, United Kingdom Hybrid/Remote Options
Synoptix Limited
Principal Systems Engineer The Role: As a Principal Systems Engineer at Synoptix you will be helping guide the scope and direction of the engineering projects you are working on. As an agile business in the true sense the principalengineer will be given the relative freedom to take ownership at the strategic level of More ❯
Camberley, Surrey, United Kingdom Hybrid/Remote Options
Telent
PrincipalEngineer - Wireless Job Description When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected … and protected 24/7. Reporting into the Head of Focal Engineering, the PrincipalEngineer will work on a number of exciting Wireless Design and Implementation projects for customers across England in the Education and Government sectors as well as others. This is a hybrid working role, with a requirement to travel to our customer sites on occasion. … design and implementation of enterprise-grade wireless network solutions across universities in England, leveraging Cisco and Juniper technologies to deliver secure, scalable, and high-performance connectivity. Act as the principal design authority, setting technical direction, standards, and best practices for campus wireless and wired infrastructure, ensuring alignment with university digital transformation objectives. Develop and review detailed low-level designs More ❯
GU15 4LY, Camberley, Surrey, United Kingdom Hybrid/Remote Options
Telent
PrincipalEngineer - Wireless Job Description When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected … and protected 24/7. Reporting into the Head of Focal Engineering, the PrincipalEngineer will work on a number of exciting Wireless Design and Implementation projects for customers across England in the Education and Government sectors as well as others. This is a hybrid working role, with a requirement to travel to our customer sites on occasion. … design and implementation of enterprise-grade wireless network solutions across universities in England, leveraging Cisco and Juniper technologies to deliver secure, scalable, and high-performance connectivity. Act as the principal design authority, setting technical direction, standards, and best practices for campus wireless and wired infrastructure, ensuring alignment with university digital transformation objectives. Develop and review detailed low-level designs More ❯
Basingstoke, Hampshire, United Kingdom Hybrid/Remote Options
Eni
PrincipalEngineer, Marine Systems - 32523 About EniProgetti UK Branch EniProgetti is wholly owned by Eni, the global energy company. EniProgetti performs a key role developing projects and providing expert engineering support to Eni businesses worldwide. The company has an integrated operation office in the UK in Basingstoke. EniProgetti is currently helping to lead Eni in the energy transition … As such, typically around 60% of time working remotely is available for individuals who wish to take advantage of this. Role Overview At Eni, we are looking for a PrincipalEngineer, Marine Systems within the EniProgetti UK Branch in Basingstoke. You will be responsible for supporting Eni's activities worldwide on different projects and will provide technical leadership … Tankers/LNG Carriers. Knowledge of Classification Society Rules, SOLAS, MARPOL as applicable to FPSO and FLNG. Experience as a Classification Society surveyor or Tanker/LNG Ship Vetting engineer would be a major advantage for this position. Experience in active participation on project's HAZID/HAZOP is required. OPITO certified for offshore travel would be preferable to More ❯
Greater Manchester, England, United Kingdom Hybrid/Remote Options
Searchability®
Principal Software Engineer – .NET/C#/AWS/CI/CD .NET, C#, AWS, JavaScript, DevOps, Agile, CI/CD Salary up to £75-80k + Bonus scheme Hybrid – 3 days a week on-site (Greater Manchester) For more information, please email me directly at Patrick.doyle@searchability.com or call on 01244 567 920/… self-organising squads, our teams are empowered to design, build, and deliver scalable, high-performance systems that shape the future of our business. We’re now looking for a Principal Software Engineer to take a leading role in guiding our engineering direction, mentoring talented developers, and driving the adoption of modern technologies and best practices. Who We’re … Seeking: We’re seeking a Principal Software Engineer with deep expertise in .NET, C# and AWS who will play a key part in architectural decision-making, helping teams balance innovation and reliability while championing best practices. You’ll work closely with other Principal Engineers, Product Owners, and cross-functional teams to deliver robust, maintainable, and scalable solutions More ❯
Bracknell, Bracknell Forest, Berkshire, United Kingdom Hybrid/Remote Options
Comoro
Principal Sales Engineer Location: Remote (UK-based) – with travel to customer sites Salary: circa £140k +20% bonus + car allowance + extensive benefits package (DV cleared) Clearance Requirement: DV (Developed Vetting) or SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world’s most essential organisations through their … visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a … with tools like Wireshark, Zeek, or similar platforms. Awareness of cybersecurity frameworks and best practices (e.g., NIST, ISO 27001) and how they apply to network assurance. Role & Responsibilities As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional More ❯
Employment Type: Permanent
Salary: £130000 - £140000/annum 20% Bonus and Benefits
Leeds, England, United Kingdom Hybrid/Remote Options
WRK digital
Principal Software Engineer & Tech Lead 📍 Leeds HQ (Flexible, Hybrid working) 💡AI-Driven Solutions & Digital Transformation Are you a Principal-level engineer who wants to shape the future of AI-enabled digital products? WRK digital is partnering with Parallax — a digital transformation consultancy pushing the boundaries of what AI can do for enterprise clients — to find an … flexible working, gym/streaming subsidies • The opportunity to work on AI projects that matter Ready to lead the future of AI-Driven digital products? If you are a Principal or senior engineer looking for a role where you can blend strategic thinking, client consultancy, and hands-on engineering — this is it. Please apply now or contact James More ❯
Principal Software Engineer – Full Stack (Java/React) Level: Senior/Principal - £80,000–£95,000 Location: UK-wide | Hybrid (Client site travel as required) Function: Full Stack Development | Agile Delivery | Technical Leadership Industry: Consulting | Public Sector | Digital Transformation Base office: Manchester, Bristol, Cheltenham, or Plymouth Lead software excellence. Deliver strategic impact. Join a specialist UK software … consultancy delivering high-impact software solutions for public sector clients. They are seeking Principal Software Engineers to lead teams, shape delivery strategy, and drive innovation across government projects. About the Role As a Principal Software Engineer, you will lead multiple teams, combining hands-on full stack development with technical leadership and client engagement. You will ensure the More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Fruition Group
Principal Software Engineer Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from … do I need to be successful? Degree in Computer Science or equivalent hands-on experience. 7+ years' experience in backend software development, including several years in a senior or principal-level engineering role. Expertise in Python (or a similar backend language), with proven experience designing distributed systems, APIs, and microservices at scale. Deep understanding of software architecture, cloud infrastructure More ❯
connections, and grow your role. Join the Appspace team and be a part of a culture that's helping people everywhere love where they work. Your Role as a Principal Security Engineer: We're looking for a Principal Security Engineer with a passion for securing cloud environments and a proven history of leading complex security transformations. … If you're looking to lead, build, and solve real-world security problems in the cloud, this role was built for you. A Day in the Life of a Principal Security Engineer: Lead and execute security transformation initiatives for enterprise clients, focusing on cloud security, application security, and vulnerability management. Solid knowledge of operating systems, file systems, memory … ability to thrive in a dynamic, fast-paced, and client-focused environment. Nice-to-Haves: Certifications such as CCSP, OSCP, CISM, or cloud-specific credentials (e.g., Google Cloud Security Engineer, Azure Security Engineer, AWS Security Specialty). Experience with Infrastructure-as-Code (IaC) tools like Terraform, CloudFormation, or ARM templates to automate security controls. Familiarity with container security More ❯
Camberley, Surrey, South East, United Kingdom Hybrid/Remote Options
Morson Edge
PrincipalEngineer – Product Security Location: Frimley (hybrid – average of 2–3 days onsite per week) Rate: £85.40 per hour/umbrella (inside IR35), approx. £632 per day Contract: 6-months initially (potential for extension or to go permanent) Hours: 37 per week Clearance: Active SC Clearance required Restrictions: ITAR and “UK Eyes Only”, please note only sole British … citizens can apply About the Role We're seeking a highly experienced Principal Product Security Engineer to join one of our clients Product Security Engineering teams, supporting the delivery and through-life management of secure submarine systems and products. As a key focal point for security and information risk, you'll apply deep technical expertise to ensure that More ❯
Principal Snowflake Engineer UK Bright Purple is delighted to be supporting our client in their search for a Principal Snowflake Engineer to join their Snowflake Platform team within their Data Platform group. As well as a salary of up to £85,000, benefits include: Annual bonus (up to 15%) Flexible and hybrid working 8% pension Health More ❯
Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping the More ❯
Edinburgh, Midlothian, Scotland, United Kingdom Hybrid/Remote Options
Bright Purple Resourcing
Principal Snowflake Engineer Edinburgh Hybrid Bright Purple is delighted to be supporting our client in their search for a Principal Snowflake Engineer to join their Snowflake Platform team within their Data Platform group. As well as a salary of up to £85,000, benefits include: Annual bonus (up to 15%) Flexible and hybrid working 8% pension More ❯
Camberley, Surrey, South East, United Kingdom Hybrid/Remote Options
Telent Technology Services Ltd
team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. Reporting into the Head of Focal Engineering, the PrincipalEngineer will work on a number of exciting Wireless Design and Implementation projects for customers across England in the Education and Government sectors as well as others. This … design and implementation of enterprise-grade wireless network solutions across universities in England, leveraging Cisco and Juniper technologies to deliver secure, scalable, and high-performance connectivity. Act as the principal design authority, setting technical direction, standards, and best practices for campus wireless and wired infrastructure, ensuring alignment with university digital transformation objectives. Develop and review detailed low-level designs … focused discussions. Maintain active CCIE certification (Wireless or Enterprise Infrastructure) and ensure ongoing professional development to sustain expert-level technical credibility. Who you are: You're a CCIE level Principal Wireless Engineer with deep expertise in Cisco and Juniper technologies, driven by a passion for delivering world-class wireless connectivity. Key Requirements: Expert-level knowledge of Cisco and More ❯
Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Fynity
Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯