Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Security Engineer

Full-time

GD Mission Systems

Responsibilities for this Position


Location: Castleham Rd, Hastings, Saint Leonards-on-sea TN38 9NJ, UK

Employment Type: Employment Type: Permanent

Company Description

General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of more than 13,000 top professionals, we partner with the best in industry to expand the bounds of innovation in the defence and scientific arenas. In the UK, we are leading the way in avionics and communication systems. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency.

General Dynamics in St Leonards-on-Sea currently provide avionic mission computing systems for a wide range of military fast jets, helicopters, and UAVs. Recent success has resulted in General Dynamics developing the next generation of Advanced High Performance, Safety Critical Mission Computer Systems to meet the needs of latest platforms in development by several aircraft manufacturers. These Mission Computing Systems provide the functionality that integrates aircraft systems, sensor systems and stores management systems with the information and control systems required by the aircrew to meet the demanding operational needs of these aircraft.

Job Description

Boost your career at the absolute frontier of aerospace technology by joining our TEMPEST team, helping to deliver the UKs 6th generation fighter aircraft. As an engineer on this critical multi-national project, you will actively design, build, and integrate the next generation of combat air capability. You will collaborate with industry-leading minds to pioneer breakthroughs in artificial intelligence, digital model based engineering, and truly next-generation computing. This is a rare opportunity to see your innovations directly shape the future of global defence, work with cutting-edge technologies, and fast-track your professional development on one of the most ambitious engineering ventures of the century.

In this role you will:

  • Lead security architecture for GCAP mission systems
  • Define security requirements and secure-by-design approaches
  • Lead threat modelling, risk assessment and accreditation activities
  • Provide technical leadership across cyber resilience and secure mission computing
  • Develop technologies that will shape combat aviation for decades to come
  • Work with world-leading engineers across industry, government and academia
  • Contribute to sovereign UK defence capability and international collaboration

Qualifications

  • Degree level education or equivalent in a relevant engineering discipline
  • Knowledge of Secure by Design and product security standards
  • Security architecture and cryptography expertise
  • Demonstrated high levels of motivation, integrity, and professionalism
  • Flexibility, innovation, and commitment to delivery in fast-paced environment
  • Experience working with or familiarity with AI/ML models is preferred

Additional Information

This role has a salary of between 59,200 and 80,000 plus our flexible benefits package.

We are open to this role being spent with time working from home and in the office (hybrid - typically 3 days working in office) on a weekly basis or fully in our offices.

We pride ourselves in being a great place to work with a shared sense of purpose, offering impressive benefits:

  • A compressed nine-day fortnight and compressed hours - which means every other Friday off.
  • A personalized career development plan, alongside regular progress reviews - supporting and valuing your progression within the Company.
  • A flexible working environment where your contributions are recognized and rewarded with flexible benefits

We believe in maintaining a diverse workplace - inclusive of beliefs, cultural background, job experiences, thoughts and ideas. If who we are and what we do resonates with you, we welcome you to join our inclusive team!

Our success is fuelled by our colleagues and the wide variety of backgrounds, perspectives, and skills they bring to the Company.

We are a Disability Confident Employer, as such we offer an interview to disabled people who meet the minimum criteria for the job.
Please email View email address on us.fitly.work if you would like your application to be considered under the DC Scheme.

All successful/appointed applicants must be able to obtain a level of UK Security clearance that is appropriate for the role and undertake suitable Right to work checks.

Every application matters to us. We want you to know that each application we receive is reviewed by a real personnot just an algorithm. Our screening questions are also carefully considered to help us understand your experience and fit for the role.

We appreciate the time you take to apply.

PI285932062

Vacancy posted 23 days ago
Similar jobs that could be interesting for youBased on the Principal Security Engineer in United Kingdom vacancy
  •  ...Multi-Party Computation (MPC) technology – the gold standard in secure custody. Copper’s multi-award winning custody system is unique...  ...controls and processes. Role Purpose As a Senior Security Engineer , you will play a key role in strengthening Copper's security... 
    Suggested
    Full time

    Copper

    United Kingdom
    7 days ago
  •  ..., savings, credit, and eSIMs across 21 countries and growing. Security is not a checkbox here; it is a core part of how we earn trust...  ...the world. This role sits at the intersection of security engineering, operations, and compliance. You will monitor and respond to real... 
    Suggested
    Full time
    Immediate start
    Shift work

    LemFi

    United Kingdom
    2 days ago
  •  ...What We're Looking For You'll be ARQ's first Security Engineer based in Brazil – it's the chance to lay the foundation for how we do security in the region and shape how that function grows from here. You'll work closely with our global security team but have real autonomy... 
    Suggested
    Full time
    Work at office
    3 days per week

    ARQ ( Prev DolarApp )

    United Kingdom
    7 days ago
  •  ...UTA seeks a Security Engineer to help build and strengthen our security operations programs—safeguarding our brand, our people, and our digital assets. In this role, you will design and implement security solutions across physical, virtual, and cloud environments. By leveraging... 
    Suggested
    Full time
    Work at office

    UTA Ventures

    United Kingdom
    5 days ago
  •  ...builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to...  ...co-working stipend. About the role We’re looking for a Security Engineer to join the ElevenLabs Security team. In this role,... 
    Suggested
    Full time
    Immediate start
    Remote work

    Valor Capital Group

    United Kingdom
    7 days ago
  •  ...trillion in crypto transactions. You will operate the Product Security programe for Blockchain.com’s internally-developed products...  ...architecture review, own the security debt lifecycle for product engineering teams, and architect the automated pipelines that protect... 
    Full time
    Contract work
    Apprenticeship
    Work at office
    Remote work
    Worldwide
    Flexible hours

    Blockchain

    United Kingdom
    a month ago
  •  ...deploy generative AI, but very few have the engineering foundation to make it work reliably....  ...profound, and code-fluent Field Security Engineer to join our global IT & Security...  ...pure product buildout—you will act as the principal security voice enterprise clients trust... 
    Permanent employment
    Full time
    Remote work
    Flexible hours
    Shift work
    Afternoon shift

    Atlan

    United Kingdom
    a month ago
  •  ...VulnCheck is transforming vulnerability intelligence by helping security teams act faster and with more confidence. Our platform...  ...Python scripting skills preferred Experience with prompt engineering is a plus IMPORTANT NOTE: This position may involve access... 
    Full time
    Remote work

    Ten Eleven Ventures

    United Kingdom
    7 days ago
  •  ...UTA seeks a Principal AI Engineer to lead the design, development, and delivery of intelligent software systems that bring together enterprise...  ...functionally to turn complex business problems into scalable, secure, and reliable solutions. What You Will Do AI Engineering... 
    Full time

    UTA Ventures

    United Kingdom
    5 days ago
  •  ...with deep local domain understanding to engineer long-term operational excellence. Position...  ...-fluent, and risk-aware Senior Cyber Security Analyst - GRC to join our core global Cyber...  ...-Facing Security Advisory: Act as the principal point of contact for complex queries... 
    Permanent employment
    Full time
    Local area
    Remote work
    Shift work

    Baringa

    United Kingdom
    a month ago
  •  ...Google Workspace tenant or Slack instance, its own domains, its own archiving obligations. Someone has to bring all of that into one secure, compliant, well-run environment. That someone is you. This role owns the productivity and collaboration platforms, Google... 
    Full time
    Local area

    Kraken

    United Kingdom
    a month ago
  •  ...At Ping Identity, we believe in making digital experiences both secure and seamless for all users, without compromise. We call this...  ...and identity and access management. As a Ping Cyber Security Engineer III, you will be involved with every facet of our enterprise systems... 
    Full time
    Local area
    Worldwide
    Flexible hours

    Ping Identity

    United Kingdom
    7 days ago
  • About this team and role: At Mozilla, we believe the internet is a global public resource—open and accessible to all. As a Security Engineer , you'll protect that vision by building, breaking, and hardening products that put people’s privacy and safety first. We are looking... 
    Full time

    Mozilla

    United Kingdom
    8 days ago
  • $154.6k - $250.8k

     ...the center of the AI-driven software development shift, providing secure infrastructure that makes autonomous workflows trustworthy by default. We are looking for a Senior Supply Chain Security Engineer to join the team behind Docker Hardened Images (DHI). In this role... 
    Full time
    Remote work
    Home office
    Flexible hours
    Shift work

    Docker

    United Kingdom
    a month ago
  •  ...helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products... 
    Full time
    Worldwide

    Mastercard

    United Kingdom
    a month ago
  •  ...What You'll Do... An exciting new opportunity has become available for a Principal Launch Engineer (Electrode) within our Launch and Integration team. Report to the Head of Launch & Integration – E zone, the Principal Launch Engineer is responsible for leading the... 
    Full time
    Flexible hours

    Tesla

    United Kingdom
    25 days ago
  • £1,500 per month

     ...The Role Joining the Digital Engineering function would see you work as part of a cross-functional, product style team, generally consisting of a Business Analyst, Scrum Master / Project Manager, Solution Architect, Lead Developers (FE and BE), Developers, and Testers... 
    Full time

    Inspired Thinking Group

    United Kingdom
    9 days ago
  • Your role As a hands-on Engineering Manager in the Customer Journey (Growth) team at RoomPriceGenie, you will lead a small team of engineers improving how hoteliers discover and realise value in our platform, from activation and onboarding to feature adoption and long-term... 
    Full time

    RoomPriceGenie

    United Kingdom
    9 days ago
  •  ...What You’ll Do As a Software Development Engineer, you will play a pivotal role in developing our endpoint security solution for macOS. You will work as part of a multi-disciplinary team, delivering outcomes primarily by directing agentic AI development tools and applying... 
    Full time
    Shift work

    Beyondtrust

    United Kingdom
    14 days ago
  • What You’ll Do As a Software Development Engineer, you will play a pivotal role in developing our endpoint security solution for macOS. You will work as part of a multi-disciplinary team, delivering outcomes primarily by directing agentic AI development tools and applying... 
    Full time

    Beyondtrust

    United Kingdom
    9 days ago
  •  ...Ping Identity, we believe in making digital experiences both secure and seamless for all users, without compromise. We call...  ...experiences, and identity and access management. The Role: As a Principal Sales Engineer, you will work side by side with our sales team on engaging... 
    Remote job
    Full time
    Local area
    Worldwide
    Flexible hours

    Ping Identity

    United Kingdom
    6 days ago
  •  ...Description General Dynamics Mission Systems engineers a diverse portfolio of high technology...  ...UK is looking for an experienced Principal Safety Engineer to lead and deliver...  ...applicants must be able to obtain a level of UK Security clearance that is appropriate for the... 
    Full time
    Flexible hours
    2 days per week

    GD Mission Systems

    United Kingdom
    9 days ago
  •  ...Description General Dynamics Mission Systems engineers a diverse portfolio of high technology...  ...Job Description This role is for a Principal Firmware (VHDL) Engineer who is looking...  ...must be able to obtain a level of UK Security clearance that is appropriate for the... 
    Permanent employment
    Full time
    Work at office
    Work from home
    Relocation package
    Flexible hours

    GD Mission Systems

    United Kingdom
    a month ago
  •  ...partners around the world, Via is recognized as the leading transportation technology and service provider globally. As a Mobile Engineering Manager at Via, you’ll lead the development of product areas within our mobile apps that helps transit agencies deliver reliable... 
    Full time
    Work at office

    Designer Fund

    United Kingdom
    4 days ago
  •  ...Marqeta is looking for a Senior Director, Market Operations to lead our European go-to-market execution across Solution Engineering, Delivery, and Program Implementation. Reporting to the European Market Owner, you will own the end-to-end customer journey—from pre-sales... 
    Full time
    Work at office
    Remote work
    2 days per week

    Marqeta, Inc.

    United Kingdom
    7 days ago
  •  ...a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation,...  ...greatest potential. Title and Summary Manager, Service Management Engineering Overview Customer Operations plays a critical role in... 
    Full time
    Worldwide

    Mastercard

    United Kingdom
    a month ago
  • £92k - £96.5k per year

     ...operational outcomes. Communication: Exceptional verbal and written communication skills, with the clarity required to bridge technical engineering capabilities with public-sector requirements. Safety-First, Local-First Philosophy: A steadfast commitment to safety-centric... 
    Full time
    Local area

    Tesla

    United Kingdom
    12 days ago
  •  ...ERP, SCADA, condition monitoring platforms . You'll bring IT and OT together – defining how asset systems, data and cyber-security governance operate end-to-end, and establishing change control, data ownership ( RACI ) and support models that keep critical systems... 
    Full time
    Shift work

    Baringa

    United Kingdom
    21 days ago
  •  ...manipulate complex funnel databases, and deploy scalable revenue engines safely across the United Kingdom and Ireland. Position...  ...typing, or passive document filling queues, you will operate as a principal commercial infrastructure architect—balancing rapid pipeline reporting... 
    Full time
    Work at office
    Immediate start
    Remote work
    Work from home
    Home office
    Flexible hours
    Shift work

    Poka

    United Kingdom
    a month ago
  •  ...Reporting to the VP, Marketing, Brand and Communications , you will act as both the architect and operator of our AI-powered content engine. You will design the agents, automations and workflows that help us create high-quality content faster and deploy it consistently... 
    Full time

    Insiderone

    United Kingdom
    9 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Security Engineer. Be the first to apply!