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Job Title: Principal Systems Engineer Location: Frimley. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you’ll be doing: • Provide oversight and technical ownership of CCS design, leading design decisions and supporting the Engineering Manager in delivering in-service programmes, • Ensure technical leadership by controlling project scope, managing design changes, and engaging stakeholders and suppliers to identify risks early, • Lead programme-level design reviews, coordinate stakeholders, manage design baselines and voids, and produce Certificates of Design while ensuring design governance, • Review and influence technical requirements and architectural design to ensure system integration, covering sub-systems and specialist domains for subcontractor design, development, and qualification Essential: • Extensive experience in network or software engineering, ideally with a background in operations, • Ability to take the lead on technical matters and provide expert guidance, • Chartered Engineer status or working towards, • Specialist expertise in Combat Systems, particularly in relation to submarines, would be advantageous, • Familiarity with DOORS and prior hands-on experience using it As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive. The team: You will be joining the In-Service Programme team, working on the V Class, where you’ll thrive in a fast-paced environment, delivering high-quality results within tight enterprise timelines. As part of a medium-sized core team of 6-12, you’ll also collaborate with a wider group of around 30, engaging with a broad stakeholder network. This role demands strong technical leadership, owning challenges, proactively solving problems, and working with the right stakeholders to drive solutions forward. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 13th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. #LI-SC1 #LI-Hybrid

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. The Global Streaming Data Platforms (GS-Data) department is leading the way in many areas of data. The department has designed and built a world-leading real time data analytics platform, using the latest cloud and open-source technologies. We stream billions of events each day to enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do • Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components., • Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation., • Take an active role in story definition, assisting business collaborators with acceptance criteria., • Work with Principal Engineers and Architects to share and supply to the broader technical vision., • Support and mentor less experienced members of the team. What you'll bring, • Track record of delivering complex, production quality applications., • Strong Scala development experience, preferably in the akka /pekko ecosystem., • Experience working with Docker, Kubernetes and Cloud technologies., • Strong Test Driven Development background, with understanding of levels of testing required to continuously deliver value to production, • Experience with build management and CI systems such as Jenkins, TeamCity or similar, • Delivery experience within an agile environment using Scrum / Kanban methodologies and Pair Programming., • The attitude of leading by example and the willingness to work as part of a team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. No matter the device, the time or the place, we make sure that our diverse audiences can easily find and enjoy whatever they want to watch, choosing from the world's best entertainment, news and sport. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband, • A wide range of Sky VIP rewards and experiencesInclusion & how you'll work We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need to your recruiter as early as you can. We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process. Your office space Osterley Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

Shape the future of safety-critical technology. Join a fast-growing medical technology challenger brand driving innovation in medical technology and beyond. This is your opportunity to work on systems that truly matter: life-supporting and life-critical solutions, while building a career that can progress to Principal level and beyond. As a Senior Systems Engineer, you will be at the heart of next-generation product development and sustaining engineering. You will lead risk management and systems architecture across multidisciplinary teams (software, electronics, and mechanical) ensuring compliance with the highest safety standards. Your expertise will influence strategic decisions and technology roadmaps for future products. Responsibilities: • Own system requirements and architecture for complex, safety-critical systems, • Drive risk management activities (FMEA, hazard analysis) and ensure compliance with all relevant standards, • Collaborate with V&V, Quality Assurance, and Regulatory Affairs to deliver robust, compliant solutions, • Lead design reviews, verification and validation, and continuous improvement initiatives, • Shape technology roadmaps and contribute to next-generation product innovation, including GUI interfaces, cloud connectivity, and cybersecurity for sensitive data Requirements: • Systems engineering experience with complex systems or devices, • Preferably software engineering background (or electronics), • Degree in engineering or related discipline., • Proven experience in systems engineering within regulated, safety-critical industries: medical devices, defence, nuclear, or aerospace., • Strong background in requirements management, risk analysis, and system architecture, • Ability to work across multiple domains and disciplines., • Experience working in mid-sized company Why Join our client? • Hybrid working: 3 days on-site in Croydon, 2 days remote, • Modern, purpose-built offices with advanced labs, • Visa sponsorship for UK, • Competitive salary and clear career progression Make an impact where it matters most. Apply today and take your career to the next level.

Location: UK Job Title: WTG Principal Engineer Client Description The hiring organization is a global leader in engineering and construction for the energy and infrastructure sectors. They operate as a "One Company" structure with a focus on technological innovation and a purpose of engineering for a sustainable future, specifically supporting clients on the pathway toward Net Zero. Scope • Business Line: Positioned within the Offshore Wind business line, specifically reporting to the Floating ILA Engineering Manager., • Core Focus: Responsible for all activities related to turbine design and interfacing with turbine Original Equipment Manufacturers (OEMs) in offshore wind., • Working Model: A full-time contractor role (outside IR35) featuring a hybrid working model with flexible hours., • Location: Based in Kingston upon Thames, UK. Applicants must possess permanent UK right-to-work status. Key Responsibilities • Aeroelastic Modeling: Building and verifying aeroelastic models of the turbine and supporting the turbine tower design., • Controller Management: Managing the development, tuning, and verification checks of the turbine controller., • Technical Analysis: Providing advanced, non-conventional structural analyses and numerical simulations for the Offshore Wind business unit., • Stakeholder Liaison: Coordinating with external contractors regarding turbine models and participating in technical meetings with clients., • Reporting & Monitoring: Monitoring and verifying the ILA (Integrated Load Analysis) and writing high-quality industry-standard technical reports. Qualifications • Education: Chartered Engineer status is required; an Aeronautical degree is preferred., • Experience: 10–15 years of design experience in offshore wind, covering both floating and fixed wind substructures., • Technical Expertise:, • In-depth knowledge of turbine design (WTG) and industry codes/standards (including DNV and IEC)., • Proficiency in specialized engineering software such as OrcaFlex, Bladed, and Fast., • IT Skills: Strong proficiency in MS365. Join us at Easy Skill Easy Skill is changing the way we work. We supercharge teams around the world and transform people into a competitive advantage. With the right people power, anything is possible. We align technical project needs with the world's best talent. We've completed over 584 assignments to date and counting. We connect the right people, skills, and knowledge with the right projects to shape a better future. Joining the Easy Skill crew is signing up for the adventure of a lifetime. We help our candidates realize their career ambitions and transcend borders. We serve global leaders across a variety of industries such as mining, energy, construction, oil and gas, industrial, and defense sectors. We’re looking for our next #perfectmatch to build a brighter future. Are you ready?

Shape the future of safety-critical technology. Join a fast-growing medical technology challenger brand driving innovation in medical technology and beyond. This is your opportunity to work on systems that truly matter: life-supporting and life-critical solutions, while building a career that can progress to Principal level and beyond. As a Senior Systems Engineer, you will be at the heart of next-generation product development and sustaining engineering. You will lead risk management and systems architecture across multidisciplinary teams (software, electronics, and mechanical) ensuring compliance with the highest safety standards. Your expertise will influence strategic decisions and technology roadmaps for future products. Responsibilities: • Own system requirements and architecture for complex, safety-critical systems, • Drive risk management activities (FMEA, hazard analysis) and ensure compliance with all relevant standards, • Collaborate with V&V, Quality Assurance, and Regulatory Affairs to deliver robust, compliant solutions, • Lead design reviews, verification and validation, and continuous improvement initiatives, • Shape technology roadmaps and contribute to next-generation product innovation, including GUI interfaces, cloud connectivity, and cybersecurity for sensitive data Requirements: • Systems engineering experience with complex systems or devices, • Preferably software engineering background (or electronics), • Degree in engineering or related discipline., • Proven experience in systems engineering within regulated, safety-critical industries: medical devices, defence, nuclear, or aerospace., • Strong background in requirements management, risk analysis, and system architecture, • Ability to work across multiple domains and disciplines., • Experience working in mid-sized company Why Join our client? • Hybrid working: 3 days on-site in Croydon, 2 days remote, • Modern, purpose-built offices with advanced labs, • Visa sponsorship for UK, • Competitive salary and clear career progression Make an impact where it matters most. Apply today and take your career to the next level.

The Safety & Environmental team: You will have the opportunity to work within a team of engineers and technical specialists to help us design, develop, integrate, manage, and support complex systems and combat sub-systems for in service and future submarines.

Principal Software Architect (FinTech SaaS) – UK Remote. Identifying cross-cutting technical hurdles and driving the adoption of solutions across the entire engineering organisation. Working alongside Product Managers to turn business goals into elite-level software.

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. Provide leadership and mentorship across multiple engineering teams.

The Principal Software Engineer (Full Stack) role is a full-time permanent position located in the United Kingdom and is a remote working role. If you are a talented principal software developer possessing all of the requisite skills, seeking an opportunity to join our fast-paced start-up, please ap

We’re looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise. This is a chance to make a real impact across multiple products and help influence our engineering direction as we continue to grow. De

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. Mentor engineers, influence cross-org roadmaps, and collaborate with Product, SRE, and Network Engineering from concept to GA. This role requires deep expertise in Linux networking data path

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Youll provide hands-on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line mana

Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Our team develops and supports market-leading vide

Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Youll provide hands-on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line mana

Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure s

Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We believe great engineering happens when teams collaborate,.

Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Our team develops and supports market-leading vide

As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation, autonomy and geospatial fields, along with providing key advice around innovation and new techniques to stakeholders. We are looking for principal sof

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

Principal Software Engineer - Backend. 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. Partner closely with engineering leadership to define be

Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Our team develops and supports market-leading vide

Circa £60,000 depending on experience \n\n Providing advice on product safety matters to project and engineering managers delivering the programmes and ensuring the safety considerations are correctly considered and implemented \n Engaging with third parties, to review and gather supporting Design

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Youll provide hands-on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line mana

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment.

Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Our team develops and supports market-leading vide

Lead Software Engineer IoT & Full-StackLocation: Hybrid / BicesterType: PermanentSalary: Competitive, market-basedTUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites.

Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Our team develops and supports market-leading vide

Principal Software EngineerSalary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insuranceWe are looking for principal software engineers with diverse experience.

Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure s

Role OverviewAn experienced Principal Software Engineer is required to join a. Principal Software Engineer Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63. UmbrellaWe seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, o

Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Our team develops and supports market-leading vide

About The RoleDeadline for applications: 11:59pm on 31st October 2025Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We believe great engineering happens when teams collaborate,.

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer.

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Deliver observable, reliable and secure software, adopting you build it you run it mentality, and focus on automation. Design, build, test and maintain software to help integrate and orchestrate the mov

Were looking for a hands-on Lead Software Engineer to own the design and delivery of our IoT and cloud software platform. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent,

Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure s

This is a hands-on technical role where you'll shape the design, guide the team, and ensure successful delivery of a critical transformation project.

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

Youll provide hands-on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. About The Role Deadlin

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. Design, build, test and maintain software to help integrate and orchestrat

We are looking for principal software engineers with diverse experience.

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it

Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. As a Software Engineer, you will be instrumental in designing, and developing complex software systems within a regulat

Work with Principal Engineers and Architects to share and supply to the broader technical vision. Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build it