26 to 50 of 1,083 Principal Engineer Jobs in the UK

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
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 ...

Principal Engineer (Gen AI and MACH Architecture)

Hiring Organisation
Akqa
Location
London, United Kingdom
Salary
£ 70 K
adaptive 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 … delivery. 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 ...

Principal Engineer

Hiring Organisation
Harvey Nash
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
Principal Engineer | Financial Services | London | Permanent | Hybrid | up to £150k I'm working on an exciting opportunity for a Principal Engineer to build new digital fintech products from the ground up (Greenfield). This is a genuinely hands-on Principal role - you'll lead … technical decisions, mentor engineers and stay hands on engineering digital products. Required: 7-8+ years' software engineering experience, with experience leading as a principal, staff level or tech lead. Strong system design & technical leadership Full-stack experience Key Technologies: Java/Spring Boot, React/TypeScript and React ...

Principal Software Engineer

Hiring Organisation
Redline Group Ltd
Location
Loughborough, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£85,000
Principal Software Engineer with a strong background in DSP, embedded software and developing 5G communications applications? If so I'd like to speak with you! A well-established R&D organisation and market leader is looking to rapidly expand its engineering team and is seeking a Principal Software Engineer to provide technical leadership within its development team near Leicestershire. As a Principal Software Engineer, you will take technical ownership of complex embedded software and DSP development activities, supporting the design and implementation of advanced communications systems. The successful candidate will bring strong embedded ...

Principal Engineer (Front-End)

Hiring Organisation
Hastings Direct
Location
Bexhill, East Sussex, United Kingdom
Salary
£ 70 K
Principal Engineer (Front End)We’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant investments in our data and tech capabilities, particularly within our CIO function. Our CIO team … Bexhill At Hastings Direct, we’re transforming how we build, deliver, and scale technology across the organisation. We’re looking for an experienced Principal Engineer to play a critical leadership role within our Technology Engineering function, helping shape engineering standards, drive delivery excellence, and influence enterprise‐wide outcomes. ...

Principal Infrastructure Engineer

Hiring Organisation
Carrington West
Location
Reading, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
Principal Infrastructure Engineer Lead Drainage Design Projects in Reading You're an experienced engineer who wants greater ownership, varied schemes and the opportunity to influence how infrastructure design is delivered. In this Principal Infrastructure Engineer role, you'll step into a position where your technical … building long-term client partnerships. You'll work within a supportive senior team that encourages autonomy, collaboration and continuous professional development. As the Principal Infrastructure Engineer, you will be leading and delivering drainage design projects across residential, commercial and mixed-use developments. You'll be handling feasibility, detailed ...

Principal Software Engineer

Location
Milton Keynes, England, United Kingdom
Principal Software Engineer Salary: £75,000 – £85,000 + Benefits Location: Hybrid 1 day every other week – Milton Keynes We are currently looking for a Principal Software Engineer to join a growing, technology-led SaaS organisation that is investing heavily in its engineering capability and modern … collaborative, forward-thinking engineering team where you’ll have genuine influence over technical direction rather than simply delivering features. Reporting into the CTO, the Principal Software Engineer will play a pivotal role in shaping software architecture, establishing engineering best practice, and mentoring other engineers across the business. This ...

Principal Digital Engineer

Location
United Kingdom
Principal Digital Engineer Location: Warrington, GB, WA3 6YD Onsite or Hybrid: Hybrid Your Role Applies Engineering concepts and theories to provide technical direction and leadership for the delivery of designs, calculations and technical solutions across a range of applications for Babcock products and services across the Engineering Product … Babcock we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Digital Engineer at our Babcock Technology Centre or Birchwood, Warrington Sites. The role As a Principal Digital Engineer, you’ll take ...

Principal Engineer Control & Automation Systems

Hiring Organisation
GE Vernova
Location
Stafford, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Description Summary The Control Automation System Principal Engineer serves as the technical authority for automation systems, industrial controls, and operational technologies across the organization. This role leads the architecture, design, implementation, and governance of advanced control systems that enable safe, reliable, and efficient manufacturing or operational performance. … Principal Engineer mentors engineering teams, drives innovation, establishes automation standards, and leads strategic initiatives aligned with business objectives. Job Description The world is electrifying faster than ever, and at GE Vernova, we're building the technologies that make it possible. As a Principal Engineer in Control ...

Principal Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £110,000 per annum
Principal Engineer Hybrid role in Newcastle upon Tyne Up to 110k max. The Role We are looking for an experienced and technically driven Principal Engineer to play a key role in shaping the future of a high-performance trading platform. You will lead major platform ...

Principal FPGA Engineer

Location
Oxford, Oxfordshire, United Kingdom
Principal FPGA Engineer Oxford/Onsite 1 day per week then remote £90,000pa - £100,000pa plus benefits: A once in a lifetime opportunity has arisen for a Principal FPGA Engineer to have a major impact in the development of next generation wireless communications. Our client … subject knowledge, their mission is to enable safe and efficient communication systems which will ultimately protect our way of life. By joining them, the Principal FPGA Engineer will be seriously contributing to critical technology that will save lives and ensure our society remains safe in an ever-changing ...

Principal Database Platform Engineer

Location
Sheffield, England, United Kingdom
# Principal Database Platform Engineer at N Consulting Ltd**Role: Principal Database Platform Engineer****Location: Sheffield, UK (3 days weekly from office)****Duration: 6-12 Month (Extendable)****We are currently seeking an experienced Principal Engineer whose main area of expertise is Database … complemented with strong engineering skills.****As a Principal Engineer you will be at the forefront of our technology, influencing the strategy and direction of our services. This is a leadership role where you will be responsible for driving technical excellence across a diverse set of tooling, mentoring ...

Principal FPGA Engineer

Hiring Organisation
Jonathan Lee Recruitment Ltd
Location
White Waltham, Woolley Green, Berkshire, United Kingdom
Employment Type
Permanent
Step into an exciting, mission-led career as a Principal FPGA Engineer, shaping secure firmware that powers high-assurance defence and cyber capabilities. If you enjoy leading complex technical work, mentoring others, and turning challenging requirements into robust, testable FPGA-based systems, this Principal FPGA Engineer … through verification and qualification. What You Will Do: - Lead the architecture, design, implementation, integration and verification of firmware systems built on FPGAs as a Principal FPGA Engineer. - Translate inbound user and systems needs into clear, verifiable firmware requirements, providing constructive feedback where requirements are ambiguous. - Produce high-quality firmware ...

Principal Infrastructure Engineer

Hiring Organisation
Carrington West
Location
Hungerford, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
Principal Infrastructure Engineer Lead Drainage Design Projects in Hungerford You're an experienced engineer who wants greater ownership, varied projects and the chance to shape how infrastructure design is delivered. In this Principal Infrastructure Engineer role, you'll step into a position where your expertise … work in a collaborative environment where autonomy is encouraged, and where your technical leadership will help guide the next generation of engineers. As the Principal Infrastructure Engineer, you will be leading and delivering drainage design projects across residential, commercial and mixed-use developments. You'll be overseeing feasibility ...

Principal Engineer

Hiring Organisation
Formula Recruitment Limited
Location
London, United Kingdom
Salary
£ 100 K
Principal Software EngineerLocation: London - HybridSalary: Up to 110,000 + Bonus & BenefitsWe're looking for a Principal Software Engineer to join a global technology business whose platforms underpin consumer experiences used by millions of people every day. This is an established, scaled business with a genuinely global … plus bonusGenuinely flexible hybrid working arrangementsGenerous parental leave and family-friendly policiesStrong support for career development and progressionThis is the right role for a Principal Engineer who is ready to move beyond squad-level impact and take on something bigger - shaping the architecture, the team, and the direction ...

Principal Platform Engineer

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Role: Principal Platform Engineer Location: London, United Kingdom (Hybrid - Minimum 1 Day Per Week in Office) Employment Type: Full-time Salary: £97,480 - £121,850 + 20% Flexible Benefits Package Are you an experienced Principal Engineer with a passion for building and operating large-scale distributed … simply consumed managed services-and is looking to take ownership of technical direction while remaining hands-on with engineering delivery. If you're a Principal Engineer who thrives on solving complex platform and infrastructure challenges, we'd love to hear from you. Reasonable Adjustments: Respect and equality ...

Principal Platform Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum, Inc benefits
Role: Principal Platform Engineer Location: London, United Kingdom (Hybrid - Minimum 1 Day Per Week in Office) Employment Type: Full-time Salary: £97,480 - £121,850 + 20% Flexible Benefits Package Are you an experienced Principal Engineer with a passion for building and operating large-scale distributed … simply consumed managed services-and is looking to take ownership of technical direction while remaining hands-on with engineering delivery. If you're a Principal Engineer who thrives on solving complex platform and infrastructure challenges, we'd love to hear from you. Reasonable Adjustments: Respect and equality ...

Principal DevSecOps Engineer

Hiring Organisation
83zero Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Principal DevSecOps Engineer - Permanent Bristol | 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 and leadership experience across: * CI/CD & GitOps - GitHub Actions, Argo CD, Argo Rollouts * Security & compliance - Trivy, vulnerability ...

Principal Engineer Photolithography

Location
Ipswich, England, United Kingdom
Principal Engineer – Photolithography Job Summary We are seeking a highly skilled and innovative Principal Engineer specialising in photolithography processes to support advanced photonics R&D and manufacturing. You will be responsible for optimizing existing photolithography processes for R&D and production wafers, while also developing ...

Principal IVD Engineer, Clinical Software

Hiring Organisation
Waters
Location
Wilmslow, Cheshire, United Kingdom
Salary
£ 60 K
OverviewWaters is seeking a Principal IVD Software Engineer to help shape the future of our LCMS Clinical and Diagnostic software portfolio.This is a highly influential individual contributor role suited to an experienced software engineer with deep expertise in regulated product development. You'll provide technical leadership across … support better healthcare outcomes.Our teams bring together software engineers, scientists, systems engineers, quality specialists, and product leaders to solve complex interdisciplinary challenges. As a Principal Engineer, you'll contribute not only to technical solutions but also to the continued evolution of our engineering culture, capabilities, and ways ...

Principal IVD Engineer, Clinical Software

Location
Wilmslow, England, United Kingdom
Overview Waters is seeking a Principal IVD Software Engineer to help shape the future of our LCMS Clinical and Diagnostic software portfolio. This is a highly influential individual contributor role suited to an experienced software engineer with deep expertise in regulated product development. You'll provide technical … better healthcare outcomes. Our teams bring together software engineers, scientists, systems engineers, quality specialists, and product leaders to solve complex interdisciplinary challenges. As a Principal Engineer, you'll contribute not only to technical solutions but also to the continued evolution of our engineering culture, capabilities, and ways ...

Senior / Principal Highways & Infrastructure Engineer

Hiring Organisation
ALDWYCH CONSULTING LTD
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Senior/Principal Highways & Infrastructure Design Engineer - Development Infrastructure Are you a Senior or Principal Engineer with strong development infrastructure experience? Do you have the technical ability and ambition to help build a new team? A rapidly growing and lively transportation consultancy , with offices across … establish a new London development infrastructure team , delivering detailed highways and drainage design packages for developer clients. They are looking for a Senior or Principal Highways & Infrastructure Design Engineer to become the first engineer in the new team, with the opportunity to help shape its growth, mentor ...

Principal Engineer – Process & Systems

Location
Woking, England, United Kingdom
Principal Engineer – Process & SystemsRef #59471Date postedThursday, September 17, 2026CountryUnited KingdomLocationWokingBusiness areaManufacturingDepartmentManufacturing ControlsPosition level5 - Supervisory/Professional - (L-17)Working timeFull TimeContract typePermanentWorking pattern7:30am - 4:30pm Monday to FridaySalaryN/AWhat to ExpectReporting directly to the Controls Manager, the Principal Engineer – Process & Systems delivers and integrates ...

Principal Engineer (Scala or Java)

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Principal Engineer (Scala or Java) Manchester (Hybrid) | Permanent Up to £150,000 + 20% Bonus Lead the Future of AI Engineering An exciting opportunity has arisen to join a rapidly growing, global AI technology scale-up as their next Principal Engineer . Based in Manchester … combine strategic leadership with technical excellence, helping to scale both technology and teams during a period of significant growth. The Opportunity As Senior Staff Engineer, you will lead a talented, small high-performing team of software engineers and technical specialists. You'll be responsible for setting the engineering direction ...

Senior Principal System Engineer

Location
Portsmouth, England, United Kingdom
Select how often (in days) to receive an alert: Job Title: Senior Principal System Engineer Location: Portsmouth, England, United Kingdom Role Type: Permanent – Full Time Package: £72,000 - £80,000 (salary dependent on experience) + Benefits Role ID: 20388 Are you ready to be part of the future … creating it. From cutting-edge defence technology to ground-breaking innovations our mission is to empower and protect lives. Join us as a Senior Principal Systems Engineer at our Portsmouth Technology Park (PTP) site, where you will have the opportunity to work with cutting-edge technology in partnership ...