201 to 225 of 303 Senior Security Engineer Jobs

Snyk seeks a Senior Solutions Engineer to lead the technical narrative for Evo and AI-era security within large UK-based enterprises. You will align technical strategy with executive goals, co-manage high-value opportunities, and demonstrate solid ROI through pilots and POCs. You’ll bridge development … security leadership, quantify business impact, and collaborate with product and engineering teams to secure long-term partnerships. Hybrid London-based role with global impact. #J-18808-Ljbffr ...

Wolf Security in Cambridge, UK is seeking a Senior Software Engineer for Browser (C++). You will design and develop core features for secure browsing, contribute C++ and TypeScript for a Chromium-based secure browser, and extend Firefox-based browsers while enhancing automation with Python. You will … join a growing R&D team, work on micro-virtualization security, and participate in feature delivery across web extensions, browser cores, and test components with hybrid working arrangements. #J-18808-Ljbffr ...

Overview Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With more than 1,700+ team members, 1,500+ AI & data experts, and 100+ prime contracts, we deliver … impact. We encourage employees to push boundaries and help solve critical, world-changing federal challenges. Position Summary Credence has an immediate need for a Senior Program Engineer-Systems Security supporting the Armament Directorate Division, (AFLCMC/EB) at Eglin AFB, Florida. You'll be the guardian ...

seeking a Senior Systems Engineer to drive technology programs, including Cloud implementation and support, desktop engineering escalation and networking for a defined client portfolio. Hybrid work with a London-area preference. You’ll lead migrations, manage complex issues, and contribute to the internal knowledge base while delivering best … practice security configurations such as MFA and conditional access. #J-18808-Ljbffr ...

Line Network Engineer £43,000-£49,000 24 days holiday + bank holidays, pension, paid parking, phone allowance, funded training & certifications Manchester/Warrington - 1 day a week from home Travel to customer-site travel across the North West as required The Opportunity: If you enjoy getting into complex ...

cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from … response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively ...

LexisNexis Risk Solutions seeks a software engineer to design, build, deploy and support production-ready AWS-based services with secure, observable operations. You will work in a cross-functional Agile team, mentor colleagues, and help shape engineering standards while delivering reliable releases. Candidates should have strong Python/JavaScript ...

CACI Information Intelligence Group (IIG) is seeking a Senior Software Engineer to join Agile delivery teams and work directly with customers to build innovative software across the full lifecycle. You will shape requirements, architecture and deliver robust cloud-native solutions on AWS and Azure, with CI/… GitLab. Ideal candidates will have hands-on Backend or Full Stack experience using Java, Python, JavaScript/React/TypeScript, and may hold security clearances. #J-18808-Ljbffr ...

OneAdvanced in the United Kingdom is seeking a Senior Network Engineer to join a customer-centric squad. You will design and implement network and security solutions across on-premise, cloud and hybrid environments, aligned with customer architectural teams. Ideal candidates will operate at CCNP/CCIE level ...

National Physical Laboratory in Birmingham is seeking a Senior Software Engineer to lead the design and architecture of systems that support security testing. This hands-on role requires expertise that directly impacts national security by ensuring the delivery of secure software. Ideal candidates will possess strong ...

Barclays is seeking a Senior iOS Engineer for Identity Services to build cutting-edge native iOS authentication features for the mobile banking app. You will work with biometric authentication, secure enclaves and Swift frameworks while collaborating with backend, security and design teams to deliver secure experiences … role requires deep iOS expertise, OAuth2/OIDC and Secure Storage knowledge, plus AI-assisted development tools, CI/CD, and strong focus on security #J-18808-Ljbffr ...

service provided by Idira professional services. Build and maintain trusted relationships with operational stakeholders and executive sponsors Guide customers on Privileged Access Management and security best practices Contribute technical expertise to escalation scenarios where relevant Be the customer technical representative when working with other Idira technical teams such … Idira PAM experience ideally in a large, complex or modernized environment. Experience with Windows/Unix, Active Directory, IDPs, networking, databases, and IT security Hands on working knowledge with AI tools Ability to resolve complex technical problems Experience with endpoint protection agents is beneficial Willing to travel to customer ...

CACI Information Intelligence Group (IIG) in the UK is seeking a Senior Test Engineer to join a high-performing National Security delivery team. You will embed automated testing across the SDLC, ensuring reliable, scalable software delivery and helping shape testing strategy. You'll collaborate with engineers, DevOps … product stakeholders in agile settings, building test frameworks and contributing to performance, security and accessibility testing, with opportunities for continuous learning #J-18808-Ljbffr ...

Gold Group Limited is seeking a Senior Cloud Engineer to own cloud infrastructure and security within our London-area MSP environment. You’ll work closely with a skilled team to enhance client IT performance, network, and security posture. You’ll lead deployments, automate tasks, and liaise … with clients to deliver robust solutions, while keeping up with evolving technologies and best practices in cloud security and collaboration tools. #J-18808-Ljbffr ...

Engine by Starling is seeking a Senior Infrastructure Engineer to design, build, and operate scalable cloud foundations across regions and providers. You will own infrastructure from conception through production, emphasising reliability, security, and cost-effectiveness. The role requires strong GCP/Terraform skills, experience with CI/… pipelines, and a mindset for automation and security by design in a fast-paced fintech environment. #J-18808-Ljbffr ...

recruiting a Senior Solutions Engineer for the UK Defence & Security sector, based in Marlow with hybrid working. You will combine technical credibility with industry insight to translate government and defence needs into SAS data, AI, and analytics solutions, shaping the technical strategy in close partnership with ...

Probrand in Birmingham is seeking a Senior/Lead Managed Endpoint Services Engineer to lead architecture, automation and security across our managed services. The role focuses on standardising onboarding, monitoring, patching and backup processes at scale, working with NinjaOne, SonicWall and Acronis platforms. Hybrid working arrangement ...

leading advertising agency based in London is seeking a Network and Security Engineer. Candidates should have over 8 years of experience in network and security operations, specifically with Check Point firewalls and Cisco switches. The role is hybrid, requiring in-office work for 40-60% of the time. ...

Viasat is seeking a Senior Network Engineer to ensure reliable, secure, and scalable enterprise network operations across on‐premises and cloud environments. You will contribute to network architecture, deployment, and operational readiness, partnering with infrastructure, security, and application teams. The role requires deep networking expertise, cloud networking ...

Frontier Resourcing is seeking a Senior Test Engineer (eDV) to join our software delivery function in a National Security-facing role. The position is office-based at one of Gloucestershire, Manchester or London locations. You will work within an experienced team, ensuring software quality across multiple business … areas, with emphasis on eDV UK Security Clearance. The role requires collaboration with agile delivery teams and proficiency in test automation and environments. #J-18808-Ljbffr ...

Frontier Resourcing is seeking a Senior Test Engineer (eDV) to join our software delivery function in a National Security-facing role. The position is office-based at one of Gloucestershire, Manchester or London locations. You will work within an experienced team, ensuring software quality across multiple business … areas, with emphasis on eDV UK Security Clearance. The role requires collaboration with agile delivery teams and proficiency in test automation and environments. #J-18808-Ljbffr ...

Frontier Resourcing is seeking a Senior Test Engineer (eDV) to join our software delivery function in a National Security-facing role. The position is office-based at one of Gloucestershire, Manchester or London locations. You will work within an experienced team, ensuring software quality across multiple business … areas, with emphasis on eDV UK Security Clearance. The role requires collaboration with agile delivery teams and proficiency in test automation and environments. #J-18808-Ljbffr ...

Gold Group in London is seeking an experienced Senior Cloud Engineer to own the proactive, cloud and security-focused side of our technical environment within a growing MSP. You will work with a small, highly skilled engineering team to improve clients’ infrastructure, security and IT performance ...

Proofpoint is hiring a Senior Software Engineer for the XFI team within the Cloud Integration Group in Belfast. You will help scale the Cross Functional Integrations services that connect to Microsoft and Google email platforms, delivering secure, high-performance integrations for both inbound and outbound traffic. You will … design reliable distributed systems, improve scalability and reliability, and ship code daily using CI/CD pipelines while focusing on security and data protection. #J-18808-Ljbffr ...

Funplazambsc in Bristol is seeking a Senior Systems Engineer to join our architecture team. You will work on secure IT services and systems for MOD-related projects, applying MBSE and requirements management, including DOORS, to refine customer needs and deliver robust solutions. This client-facing role emphasises collaboration ...