1 to 25 of 144 Permanent Principal Engineer Jobs in the UK

Principal Engineer role for one of the most exciting tech companies in the North West has come live. 🚀🚀 COMPANY: Recognised in the Times100 fastest growing companies, this challenger technology company continues to make a difference to its 5m customers, whilst providing real time data through its unique AI platform to its 600 clients/brands. Intro..... A key … hire within the engineering team, we're looking for a Principal Engineer to work closely with the Head of Engineering, to shape the technical direction across multiple product teams, ensuring that what we build is reliable, scalable, and impactful. You’ll be the bridge between strategic thinking and pragmatic delivery, helping the engineering teams design systems that move … and continuous improvement. Partner with Product and Architecture leads to align technology with strategic goals. What do you need to be successful? We are looking for a high level Principal Software Engineer who has a passion for building scaleable products and want to join an energetic and passionate team on a mission to change the Financial Services landscape More ❯

LEAD/PRINCIPAL DEVOPS ENGINEER- EDV CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Lead/Principal DevOps Engineer with active enhanced DV clearance. - Salary up to £100,000 DOE + DV Bonus- Gloucestershire based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE … We're hiring for Lead and Principal DevOps Engineers to join a consultancy delivering cutting-edge solutions for industry-leading National Security clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an active Enhanced DV clearance … is essential. THE PRINCIPAL DEVOPS ENGINEER- Active enhanced DV clearance. - Gloucestershire based, or able to commute.- Experience as a hands-on technical DevOps Engineer and in a leadership role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong experience operating in an SRE/DevOps environment - Expertise in containerisation technologies such at Docker or Kubernetes, for example. - Experience More ❯

LEAD/PRINCIPAL DEVOPS ENGINEER- EDV CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Lead/Principal DevOps Engineer with active enhanced DV clearance. - Salary up to £100,000 DOE - Manchester based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE We're hiring … for Lead and Principal DevOps Engineers to join a consultancy delivering cutting-edge solutions for industry-leading National Security clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an active Enhanced DV clearance is essential. THE … PRINCIPAL DEVOPS ENGINEER- Active enhanced DV clearance. - Manchester based, or able to commute to Manchester.- Experience as a hands-on technical DevOps Engineer and in a leadership role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong experience operating in an SRE/DevOps environment - Expertise in containerisation technologies such at Docker or Kubernetes, for example. - Experience with More ❯

Principal Software Engineer (C#, Azure, Event Driven) £90,000 + Bonus + Shares | St Albans (Hybrid) Method is partnering with a technology company that's about to launch a major digital transformation and rebuilding their architecture from the ground up. The company has been in business for nearly 30-years, and after a very successful period, they have … single source of truth. They are also looking to scale massively over the next 5-years as they enter new markets, and as a result, are looking for a Principal Engineer to help deign, build and guide to achieve this. As the Principal Software Engineer, you be a hands-on technical authority, assisting with architecture, setting … the development standards and best practices, and be the technical SME on what will be a massively, event driven platform. The Principal Software Engineer that joins this project, will be at the very beginning of this transformation. Helping the company decouple an already large monolith in and event driven platform that will handle several million events per day More ❯

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 principal engineer will be given the relative freedom to take ownership at the strategic level of More ❯

Principal RF Engineer As the selected Principal RF Engineer , your role will be split between designing RF systems at component level, and providing technical leadership for the development of projects. The right candidate will have a solid background in RF design, experience of taking a leading role on engineering projects and be an excellent communicator. The … role is an 80/20 split in favour of design to leadership. Responsibilities for the role of Principal RF Engineer will include: Designing and developing RF systems at the component level. Conducting performance tests and optimizations to meet specified performance criteria. Leading integration and prototyping efforts to ensure seamless integration of sub-systems with larger systems or … support on technical issues. Engage in project management activities, such as updating project timelines, managing resources, and communicating with stakeholders to ensure project milestones are met. As the selected Principal RF Engineer, your experience will include: RF electronics design background. Strong ability to demonstrate technical leadership within a product development environment. Experience of specifying technical requirements and taking More ❯

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 principal engineer will be given the relative freedom to take ownership at the strategic level of More ❯

PRINCIPAL OPERATIONS SUPPORT ENGINEER- DV CLEARED PRINCIPAL OPERATIONS SUPPORT ENGINEER- Permanent opportunity for a Principal Operations Support Engineer with active DV clearance. - Salary up to £80,000 DOE - Harrogate based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE We're hiring for an … Operations Support Engineer to join a leading consultancy delivering cutting-edge solutions for industry-leading Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an active DV Clearance. THE PRINCIPAL OPERATIONS SUPPORT ENGINEER … DV Clearance - Harrogate Based or ability to travel to Harrogate.- Experience in a Systems/Operations Engineering role - Strong leadership abilities, with the ability to execute training where required PRINCIPAL OPERATIONS ENGINEER ESSENTIAL SKILLS- Experience with monitoring tools such as Perl, Grafana- Utilisation of agile processes and tolls including Jira, Confluence and Git- Ability to review and report More ❯

Principal Engineer, 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 Principal Engineer, 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 ❯

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 or call on/Who We Are: We're a fast … 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 ❯

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 ❯

Principal AI Engineer | Up to £130K | Hybrid in London (3 Days Onsite) | Our client is an AI-native engineering firm trusted by major enterprises to build and operationalise scalable AI platforms. With a unique mix of technical depth and proven delivery frameworks, they enable clients to unlock measurable value from AI at scale. As a Principal AI … Engineer, you’ll be the driving force behind the architecture and delivery of large-scale AI systems. You’ll set the technical vision, mentor cross-functional teams, and work closely with senior stakeholders to turn high-impact ideas into production-ready solutions. This is a chance to shape how AI is built and adopted at enterprise scale. Key Responsibilities … Python engineering skills + FastAPI, CI/CD, MLOps, LLM tooling Leadership across cross-functional engineering teams If you are Interested, apply directly or reach out to jonah.brookes@oliverbernard.com Principal AI Engineer | Up to £130K | Hybrid in London (3 Days Onsite More ❯

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 ❯

Principal Software Engineer Great Baddow(Chelmsford)-Hybrid working role Up to £80k + 10-20% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Software Engineer to join their Great Baddow site working on a hybrid basis. What you'll be doing: Derive and maintain a set of software requirements from a More ❯

Principal Software Engineer Great Baddow(Chelmsford)-Hybrid working role Up to £80k + 10-20% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Software Engineer to join their Great Baddow site working on a hybrid basis. What you'll be doing: Derive and maintain a set of software requirements from a More ❯

Principal Snowflake Engineer - UK remote 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. What is in it for you: Salary of up to £85,000 Flexible working with hybrid and UK remote working Annual bonus (up More ❯

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 ❯

Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We re looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. More ❯

Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We're looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. More ❯

Principal Software Engineer Great Baddow(Chelmsford)-Hybrid working role Up to £80k + 10-20% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Software Engineer to join their Great Baddow site working on a hybrid basis. What you'll be doing: Derive and maintain a set of software requirements from a More ❯

Principal Software Engineer Great Baddow(Chelmsford)-Hybrid working role Up to £80k + 10-20% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Software Engineer to join their Great Baddow site working on a hybrid basis. What you'll be doing: Derive and maintain a set of software requirements from a More ❯

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 ❯

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 Principal Engineer 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 Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We're looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solution More ❯