126 to 150 of 214 Principal Engineer Jobs in the UK

Senior/Principal DevOps Engineer

Hiring Organisation
Jobleads-UK
Location
Gloucester, England, United Kingdom
Senior/Principal DevOps Engineer Application Deadline: 31 May 2026 Department: Platform Engineering Employment Type: Permanent Location: Cheltenham (Hybrid) Compensation: £70,000 - £100,000/year Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. Please note: This role also requires ...

Senior/Principal DevOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior/Principal DevOps Engineer Application Deadline: 31 May 2026 Department: Platform Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also requires applicants ...

Principal Platform Engineer: AI, Reliability & Leadership (Hybrid/Remote)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
LexisNexis Risk Solutions is looking for a Principal Engineer to guide technical direction across teams, focusing on system modernization and AI applications. This full-time role involves collaborating with various teams to enhance reliability and scalability of platforms. Candidates should have extensive backend experience, preferably in Java ...

Principal Systems Engineer

Hiring Organisation
BAE Systems
Location
Frimley, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Title: Principal Systems Engineer Location: Frimley, Hybrid, 3 days on site weekly We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: £47,241+ (Commensurate with skills and experience) Who we are: Join BAE Systems … background in operations You'll have the ability to take the lead on technical matters and provide expert guidance You'll have Chartered Engineer status or be working towards it You'll have familiarity with DOORS and prior hands-on experience using it You'll have proven experience ...

Principal Embedded Software Engineer

Hiring Organisation
Morson Edge
Location
Winfrith Newburgh, Dorset, UK
Employment Type
Full-time
Description Principal Embedded Software Engineer Winfrith, Dorset (hybrid working, 3 days per week onsite) – Permanent vacancy We are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control systems … sonar equipment. You will be hired as an experienced engineer to play a senior technical hands-on r... ZIPC1_UKTJ ...

Principal Software Engineer Level 6

Hiring Organisation
Morson Edge
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£48.90 - 66.67 per hour + None
Principal Software Engineer - Level 6 Site: Southampton Rate: £66.67 P/H Umbrella Overview An opportunity for an experienced Embedded Software Engineer to contribute to the development of next-generation airborne communication systems within the defence sector. The role focuses on low-level (“bare metal”) software development ...

Principal Safety Case Engineer

Hiring Organisation
Morson Edge
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury + Hybrid Working Type: Full Time, Permanent Salary: Competitive + Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across the UK. … mitigate risk Mentor and support other safety case engineers and promote best practice What You'll Need: Degree in engineering (or equivalent) Chartered Engineer (or working towards) Broad experience in safety case development across multiple project types Strong communication and stakeholder engagement skills Experience mentoring or leading technical teams ...

Principal Software Engineer (C++/Unreal)

Hiring Organisation
Electus Recruitment Solutions
Location
Portsmouth, Southwick, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum Private healthcare, life insurance
Principal Software Engineer This is a pivotal technical leadership role within a rapidly growing consultancy. You will spearhead the design of complex digital twins and synthetic environments, providing high-level strategic advice on innovation to key UK defence stakeholders. The essentials Sole British nationality is required for this ...

Principal Software Engineer - C++ Robotics System

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Principal Robotics/C++ Software Engineer London (Hybrid) Define how a complex, real‐world system scales — technically and organisationally. At sees.ai, we’ve built a system that enables unmanned aerial systems to carry out inspections of critical national infrastructure, making these missions repeatable, scalable, and commercially viable … entering the next phase: scaling that system into a robust, production platform and building the engineering organisation around it. We’re looking for a Principal Robotics/C++ Software Engineer to lead that transition. The Role This role goes beyond a typical senior engineering position. ...

Principal Software Engineer Level 6

Hiring Organisation
Morson Edge
Location
Southampton, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 49 - 67 Hourly
Principal Software Engineer - Level 6 Site: Southampton Rate: £66.67 P/H Umbrella Overview An opportunity for an experienced Embedded Software Engineer to contribute to the development of next-generation airborne communication systems within the defence sector click apply for full job details ...

Principal Software Engineer | C# .NET Energy Trading | ETRM Architectural Redevelopment | Azure | £120,000 | 3 days in office | London

Hiring Organisation
VirtueTech Recruitment Group
Location
London Area, United Kingdom
Principal Software Engineer | C# .NET Energy Trading | ETRM Architectural Redevelopment | Azure | £120,000 | 3 days in office | London Our client, a leading global energy brokerage, is looking for a Principal C# .NET Software Engineer to join their Power and Gas team for a crucial restructuring ...

Principle Hardware Engineer

Hiring Organisation
Technical Partners
Location
Stafford, Staffordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 65,000 Annual
Title: Principal Hardware Engineer Location: Stafford Salary: Up to £65,000 (dependent on experience) Hours: Hybrid working: 3 days in the office and 2 days working from home, Monday-Thursday 8am-4.30pm Friday 8am-12.30pm Permanent Office Based Start Date: ASAP About the Role Technical Partners are seeking … Principal Hardware Engineer to lead engineering activities across a portfolio of projects. This is a senior leadership role with full technical ownership, responsible for delivering projects on time, within budget, and to the highest standards of quality and client satisfaction. You will provide technical direction, mentor and develop ...

Principal Systems Engineer

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
Role: Principal Consultant - Systems Engineering Salary: from £60,000 Location: Portsmouth Intro Sirius Analysis, we are a rapidly growing consultancy firm, renowned for our reputation and our keen ability to understand and meet customer requirements effectively. Our team is dedicated to delivering high-quality, end-to-end consultancy services … from requirements management and modelling and simulation through to P3M. We operate across multiple sectors, including defence, energy, and health. We are looking for Principal Consultant to join our Systems Engineering team as we go through our next phase of growth. Our System Engineering function is responsible for understanding ...

Senior or Principal Systems Engineer

Hiring Organisation
Logiq
Location
City Of Bristol, England, United Kingdom
Systems Engineer Logiq have a growing technical architecture practice and we’re seeking bright minds to join a dynamic and highly motivated team of Architects and Systems Engineers. Logiq is looking to strengthen the team with greater breadth and depth of experience in complex technology delivery across all stages … relied upon throughout the Private and Public Sector. Our existing programmes of work are expanding rapidly, and we have urgent requirements for a Systems Engineer, to enable us to continue to deliver at an accelerated rate. Ideally you will have current or recent experience working in a government security ...

Senior/Principal Software Engineer - Secure Cloud (SC/DV)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Gemba Advantage is seeking a Senior/Principal Software Engineer to design and deliver secure, scalable software solutions while working in small agile teams. The role requires active SC or DV clearance and entails championing modern engineering practices, shaping architectural direction, and influencing technical decisions. Candidates should bring ...

Principal Software Engineer (Payments)

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
international cross-border payments company are looking for a Principal Software Engineer to help build and scale their payment platform. You’ll work across the full stack - frontend, backend, cloud infrastructure, and data - designing reliable systems that power real financial transactions. You'll lead their latest platform, provide ...

Principal Software Engineer

Hiring Organisation
Vitality Corporate Services Limited - Tech
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
seamless customer experiences. Youll build and maintain high-quality software that supports a fully integrated, modern business, delivered with pace and precision. As a Principal Software Engineer, youll lead development across large or multiple teams, setting technical direction and raising engineering standards. Youll bring deep expertise in your ...

Principal Software Engineer

Hiring Organisation
Vitality
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
seamless customer experiences. You’ll build and maintain high-quality software that supports a fully integrated, modern business, delivered with pace and precision.As a Principal Software Engineer, you’ll lead development across large or multiple teams, setting technical direction and raising engineering standards. You’ll bring deep expertise ...

Principal Safety Case Engineer

Hiring Organisation
Morson Edge
Location
Warrington, Cheshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury + Hybrid Working Type: Full Time, Permanent Salary: Competitive + Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across ...

Principal Networks Engineer

Hiring Organisation
Telent Technology Services Ltd
Location
Birmingham, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Cisco Principal Network Design Engineer - Quinton (Birmingham) - Hybrid Telent Technology Services Limited is a leading technology company and specialist in the design, build, operation, and maintenance of the UK's critical digital infrastructure, drawing on decades of experience in mission critical communications and technology click apply for full ...

Principal Networks Engineer

Hiring Organisation
Telent Technology Services Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
Pension, Life Ass, Holiday
Cisco Principal Network Design Engineer - Quinton (Birmingham) - Hybrid Telent Technology Services Limited is a leading technology company and specialist in the design, build, operation, and maintenance of the UK's critical digital infrastructure, drawing on decades of experience in mission critical communications and technology. With a strong focus ...

Principal Embedded Displays Software Engineer (Qt)

Hiring Organisation
Jobleads-UK
Location
Rocester, England, United Kingdom
About the Role We’re seeking a highly skilled and experienced Principal Embedded Displays Software Engineer (Qt) to lead the development of advanced Human–Machine Interface (HMI) applications for next‐generation embedded display systems. In this senior technical role, you will drive technical excellence across display software … planning and delivery within a fast‐paced development environment Who Should Apply This role will suit you if you are a senior or principal‐level embedded software engineer with strong leadership capability and deep experience developing HMI applications using Qt. Qualifications At least 5 years’ hands‐on experience ...

Principal Engineer (Microsoft)

Hiring Organisation
Claranet
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with ...

Principal Engineer (Microsoft)

Hiring Organisation
Claranet Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with ...

Principal Engineer (Microsoft)

Hiring Organisation
Claranet
Location
WC2E, Covent Garden, Greater London, United Kingdom
Employment Type
Permanent
Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with ...