26 to 50 of 105 Permanent Senior Security Engineer Jobs

being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user/agent intent and data context in real time, giving security teams visibility and control across every tool and workflow so companies can move faster with … will be transparent about expectations for every role and provide the tools and support needed for you to thrive. About the Team We sell security to some of the most demanding enterprise security teams in the world, and we've held ourselves to that bar from day one. ...

Role The Senior Security Engineer (Team Leader) is responsible for leading a dedicated security engineering team, combining hands-on platform engineering with technical leadership and people management. You will own security platform architecture, act as the primary escalation point for complex issues, and ensure platforms … remain secure, resilient, and compliant within a regulated environment. Key Responsibilities Act as technical lead for security engineering and platform architecture Serve as primary escalation point for complex and major incidents Provide technical leadership and mentoring to engineers and analysts Line manage and develop the security engineering ...

Senior Network Security Engineer Near Epsom | Hybrid (2 days onsite) Permanent | On call (1 in 3 weeks) | Alternating early/late shifts (7am - 3:30pm and 9:30am - 6pm) This is a busy, hands on engineering role within a large, regulated financial services environment, ideal for someone … programme of work is kicking off soon, so you'll be stepping into a high impact role, contributing to real change across network and security infrastructure. You'll take a lead role across Palo Alto firewalls, core networking and security tooling, helping shape a resilient, scalable and secure ...

Prolific is seeking a Senior Security Engineer to own application security across our platform. You’ll work hands-on with engineering teams, perform security testing, threat modelling, and build tooling to embed secure development practices in our SDLC. You’ll review PRs, align with product … platform teams, and drive remediation of vulnerabilities in web and API services, while scaling security as we grow. #J-18808-Ljbffr ...

join a forward-thinking, rapidly growing organization with helping people as its number one goal, we want to hear from you. As our Senior Application Security Engineer, you will be the primary owner and driver of our application security program. Youll work hands on with engineering … teams to embed secure development practices, improve tooling and automation, and guide security considerations for new features, architectures, and services. This is a high impact role where youll shape the future of AppSec at a company that values security as a core part of product quality. What Youll ...

Apple is seeking a Senior Security Engineer to join SEAR, focusing on continuous security automation and rapid regression detection at scale. You will design and develop automations to rollout new security technologies and uphold existing boundaries, while setting technical direction and mentoring colleagues. You will … work across the software development lifecycle with security researchers and product engineers, contributing to secure SDLC and cross‐functional initiatives. #J-18808-Ljbffr ...

Docker is seeking a Senior Security Engineer embedded in the Desktop team to own the security posture of a complex, cross‐platform product, spanning identity, OCI runtimes, and Linux kernel internals. You’ll review features and code before ships, partner with centralized security, and triage … vulnerabilities as the first line of defense. This hands‐on role requires threat modeling, Go code review, and security documentation work, with on‐call rotation as needed in a remote‐first culture across #J-18808-Ljbffr ...

support the Chief Information Security Officer in managing and reporting the Information Security Risks faced by Technology Services (TS) in delivering AJ Bells systems and services. This role is responsible for playing a lead role in designing and implementing improvement to the Cybersecurity risk management tools, systems … processes. Key to this is assisting and supporting the Information Security team to drive continual improvement through innovation, automation and integration of its tools and processes. The key responsibilities of the role are: Lead the delivery and maintenance of technical enterprise security solutions for (but not limited ...

Senior Network Security Engineer Scotland-OccasionaltraveltoofficeinEdinburgh Schedule: Rotating shift (includes nights/weekends) Salary up to £80,000 You will own incidents end-to-end across Incident, Major Incident, Change, Problem, and Service Request workflows (ITIL-aligned), leading real-time response to live DDoS attacks and complex ...

Senior IT Security Engineer will work alongside colleagues as part of a 3-person IT Security team. You will implement and maintain robust security systems and protocols across the organisation IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration … testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will collaborate with the IT team to ensure compliance with security standards and best practices;you will essentially be a key technical leader ...

Senior Network Security Engineer Scotland-OccasionaltraveltoofficeinEdinburgh Schedule: Rotating shift (includes nights/weekends) Salary up to £80,000 You will own incidents end-to-end across Incident, Major Incident, Change, Problem, and Service Request workflows (ITIL-aligned), leading real-time response to live DDoS attacks and complex ...

Senior Network Security Engineer Near Epsom Hybrid (2 days onsite) Permanent On call (1 in 3 weeks) Alternating early/late shifts (7am - 3:30pm and 9:30am - 6pm) This is a busy, hands on engineering role within a large, regulated financial services environment, ideal for someone ...

travel, on-call allowance and overtime Expected Earnings: £43,000 - £60,000+ per annum Overview Due to continued growth, they are seeking an experienced Senior Security Engineer to join their service and reactive maintenance team click apply for full job details ...

Aalyria Technologies, Inc. is seeking a Senior Security Engineer to manage cloud security and network compliance operations. The role is vital in protecting our cloud infrastructure and ensuring alignment with CMMC L2 and NIST standards. Ideal candidates will have 5+ years in infrastructure security, with ...

Land Registry (HMLR) are looking for a Senior Infrastructure Engineer in the Security Cluster to help protect the critical infrastructure and digital services that support land and property ownership across England and Wales. Permanent role, salary £48,400 - £59,300 (based on interview assessment), 29% employer pension … Plymouth, Gloucester or Swansea. About the role This is a specialist role within HMLR's IT Operations Practice, working as part of an established Security function responsible for protecting systems, platforms and services across a varied technology estate. You will help design, implement and improve technical security controls ...

Land Registry (HMLR) are looking for a Senior Infrastructure Engineer in the Security Cluster to help protect the critical infrastructure and digital services that support land and property ownership across England and Wales. Permanent role, salary £48,400 - £59,300 (based on interview assessment), 29% employer pension … Plymouth, Gloucester or Swansea. About the role This is a specialist role within HMLR's IT Operations Practice, working as part of an established Security function responsible for protecting systems, platforms and services across a varied technology estate. You will help design, implement and improve technical security controls ...

Senior Network and Security Engineer - L2/L3 Network Infrastructure - Cyber Security - SIEM tools My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management … network and security infrastructure to meet business requirements and objectives. Responsibilities: Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs Manage day-to-day security operations, including monitoring SIEM platforms, Firewalls, endpoint ...

Flagstone is seeking a senior security engineer to own cloud security, detection tooling, and incident response within our Azure environment. You’ll operate Sentinel, Defender for Cloud, and drive secure development practices across our delivery pipelines. You’ll lead penetration test coordination, contribute to detection ...

Jobgether is seeking a Senior Information Security Engineer - Application Security based in the United Kingdom to strengthen our partner's security posture. The role focuses on embedding security across the SDLC and working with engineering teams to deliver secure, scalable products in cloud-native … environments. You will drive tooling across SAST/DAST/SCA, vulnerability management, and secure architecture reviews while promoting developer-friendly security practices and risk-based decision #J-18808-Ljbffr ...

Flagstone is actively seeking a senior security engineer to own critical parts of our security stack across Azure, Sentinel, Defender for Cloud, and related tooling. You’ll drive incident response, threat detection, and secure AI workflows in a fintech context with visible impact and cross‐team ...

Senior IT Security Engineer will work alongside colleagues as part of a 3-person IT Security team. You will implement and maintain robust security systems and protocols across the organisation IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration ...

Harmonic Security in London seeks a Senior Product Security Engineer to own and evolve the platform's security architecture, writing production code that hardens authentication, authorization, encryption, and multi-tenant isolation. You will define security standards, run threat modeling, and partner with engineering … bake security into design time. This role emphasizes hands-on coding, accountability, and building secure systems for enterprise-grade AI-enabled workflows in a fast-moving #J-18808-Ljbffr ...

Senior Software Engineer, Firefox Security Remote UK Why Mozilla? The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over … design, build and distribute open-source software that enables people to enjoy the internet on their terms. What you’ll do: Advance Firefox's security architecture and cryptography stack: Contribute to improvements in Firefox’s core security systems, with a focus on cryptographic protocols, WebPKI, and security ...

HealthHero is seeking a Senior Cloud Security Engineer to join our Platform Security function. The role focuses on cloud security posture across AWS and Azure, with an emphasis on infrastructure, networking and secure SDLC practices. The position is based in London, Bracknell or Bristol, with … days per week in the office. You will co-own cloud security tooling, implement CSPM baselines, IaC scanning for Terraform, and collaborate across international teams to strengthen security governance. #J-18808-Ljbffr ...

iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. … Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. This global trust is built not only on our technology but on the strength of the people behind it. ...