126 to 150 of 232 Permanent Principal Engineer Jobs

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 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 ...

enabled analytics-JSI has been helping protect what matters for over 45 years. JSI USA is seeking a highly motivated and experienced full stack Principal Software Engineer for our Chantilly, Virginia office. This customer-facing role leverages deep technical expertise to solve complex problems and mentor team members. ...

Platform Engineer - Great total compensation We are seeking a Platform Engineer (operating at Principal level) to serve as a cornerstone of a newly formed platform team. This isn’t a role for someone looking to maintain the status quo; this is a mandate to lead a comprehensive … building from the ground up and wants to own the architectural destiny of a world-class firm, this could be for you. What engineer are we looking for? Essential Experience: 15+ years of experience building and operating production infrastructure at scale, with demonstrable progression to principal or equivalent ...

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 ...

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 ...

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 ...

Description Principal Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking ...

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. ...

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 ...

Description PRINCIPAL CYBERSECURITY ENGINEER SC Cleared - UK Only - (Sponsorship is unavailable) you must hold SC Clearance.Provide expert advice on the defences against cyber threats, data breaches, and emerging risks. This includes offering guidance on the selection, design, justification, implementation, and operational management of cybersecurity strategies, technologies, and standards. ...

PURPOSE OF THE ROLE Join the BBC's Data Sourcing teams and help shape the future of our streaming and analytics platforms. As a Principal Software Engineer, you'll provide technical leadership across critical ingestion and real-time data systems, helping teams deliver scalable, resilient, and high-performing … continued evolution of the BBC's real-time streaming and data platforms, helping improve scalability, resilience, and operational maturity. Work closely with other Principal Engineers and technical leaders to maintain high engineering standards and support consistent technical practices across teams. Help teams design and deliver scalable cloud-based services ...

Description Summary As a Principal AI Software Engineer, you will drive technical vision and architect enterprise AI applications for multiple initiatives across the company. You'll integrate LLMs, agent workflows, NLP, computer vision, and predictive analytics to build secure, high-availability and cost-efficient AI based solutions. ...

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 ...

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 ...

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 ...

with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you a Principal Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated … Competitive salaries & bonus opportunities Challenging work you are passionate about Ability to work with some amazingly talented people Job Description: GliaCell is seeking a Principal Full Stack Software Engineer on one of our subcontracts. This is a full-time position offering the opportunity to support a U.S. Government ...

data platforms for some of the most sophisticated trading environments globally. Following significant growth within their trading practice, they are looking to hire a Principal Software Engineer to lead complex, high-impact client engagements across data, AI, and software engineering initiatives. This is a senior, highly visible position … market Highly collaborative, engineering-led culture Strong visibility and progression potential within the organisation This is an excellent opportunity for a senior engineer who wants to remain close to technology while stepping into a broader leadership role within one of the most technically interesting areas of the market. ...

shaping architecture, improving products and unblocking delivery. Solve complex engineering problems and drive best practice across the organisation. Requirements 5+ years' experience as a Principal Software Engineer (or similar) in an enterprise environment. Proven track record leading across multiple engineering teams and specialties. Experience with Event-driven architectures. ...

shaping architecture, improving products and unblocking delivery. Solve complex engineering problems and drive best practice across the organisation. Requirements 5+ years' experience as a Principal Software Engineer (or similar) in an enterprise environment. Proven track record leading across multiple engineering teams and specialties. Experience with Event-driven architectures. ...

what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman is seeking a Principal Software Engineer to work on-site at Schriever SFB, near Colorado Springs, CO for our Front Range Operations and Sustainment Team (FROST) program. We Liaison ...

Principal Rendering Engineer you will be working closely with our Technical Director and Engineering team to develop and optimise the rendering and graphics technology we implement on our AAA projects. Your main focus will be collaborating with our team of engineers, artists, and technical artists to design, implement ...

with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you a Principal Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated … Competitive salaries & bonus opportunities Challenging work you are passionate about Ability to work with some amazingly talented people Job Description: GliaCell is seeking a Principal Full Stack Software Engineer on one of our subcontracts. This is a full-time position offering the opportunity to support a U.S. Government ...

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 ...

Description Summary As a Principal Cybersecurity Engineer - Embedded Systems, you will be responsible for architecting, implementing, and testing of operational technology (OT) cybersecurity solutions for industrial control systems (ICS). You will have the opportunity to lead multimillion-dollar R&D programs aligned with GE Vernova's energy … advanced research in the OT-cybersecurity space in close collaboration with U.S. government agencies such as the DOD, DOE, etc. Lead proposal activities as principal investigator and technical domain expert. Collaborate with universities, national labs, industrial consortiums, commercial partners, and others to advance the state ...