26 to 50 of 164 Senior Security Engineer Jobs in London

Senior Security Engineer

Location
Greater London, England, United Kingdom
waiting for? Join 900+ Docebians around the world and help us reinvent the way people learn, because learning never stops. Role Overview The Senior Security Engineer will play a central role in securing Docebo's cloud infrastructure, with a primary focus on AWS environments. Working closely with … Cloud Infrastructure & Operations, Engineering, and other security teams, this role is responsible for designing, implementing, and continuously improving cloud security controls across all layers of the stack - from infrastructure provisioning and container orchestration to runtime detection and compliance enforcement. This is a hands‐on, high‐ownership role ...

Senior Security Engineer, AWS Security

Location
Greater London, England, United Kingdom
levels of scale. Businesses, from start-ups to enterprises, run their operations and applications on AWS' multi-tenant infrastructure. Key job responsibilities As a Senior Security Engineer, you'll help to build and manage services that detect and automate the mitigation of cybersecurity threats across Amazon … infrastructure. You'll work with data scientists, software development engineers, and other security engineers across multiple teams to develop innovative security solutions. Our services protect the AWS cloud for all customers and preserves our customers' trust in us. You'll get to use the full power and breadth ...

Senior IT Security Engineer - Windows, Automation, Endpoint Security

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior IT Security Engineer – Windows, Automation, Endpoint SecurityLondon – HybridIndustry Leading CompensationQuant Capital is partnered with a leading trading firm looking to hire a Senior IT Security Engineer to strengthen its global security posture. This sits within a high-performing engineering group and suits … someone who can take ownership, make clear technical decisions and build security controls that scale. You will work across Windows engineering, endpoint security, automation, vulnerability management and platform hardening. The role mixes hands-on engineering with advisory responsibility and proactive threat mitigation. The environment is fast moving ...

Senior Application Security Engineer

Hiring Organisation
Fortinet
Location
London, UK
Employment Type
Full-time
Senior Application Security EngineerFortinet is looking for a Sr. Application Security Engineer to join the Corporate Information Security team. This is a highly technical role, with responsibilities conducting security reviews on various Fortinet applications, providing security education to our engineers and handling externally … reported vulnerabilities. Key Responsibilities: Serve as an application security subject matter expert who provides guidance to internal teamsWork closely with development teams, perform code reviews, penetration tests, and architectural reviews on existing codes and new features. Develop, implement, and communicate vulnerability mitigation strategies to development teamsHandle externally reported vulnerabilities ...

Senior Security Engineer (Infrastructure)

Location
Greater London, England, United Kingdom
seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility, resilience and security maturity across the organisation. The successful candidate will work closely with INO (Infrastructure … Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments. The role requires a technical understanding across networking, cloud, edge security, infrastructure hardening and operational security tooling. The successful candidate ...

Senior Cyber Security Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Cyber Security Engineer/Specialist Working policy: 4 days per week required in the office during probation, 3 days thereafter. Reporting into my clients Infrastructure Engineering Manager, the role will be responsible for the ownership and continual development of cybersecurity controls and security architecture. … areas of focus: Cyber Security Engineering: - Identify vulnerabilities in hardware and software to be remediated by Engineering\Operations teams. - Understand current and emerging security threats. - Assist and lead in Incident Response investigations and mitigation Project Delivery: - Be able where relevant to participate in and lead varied IT Infrastructure ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
side firms representing $40 trillion in AUM and 22 global investment banks. For more information, please visit www.cmgx.io The Role We are hiring a Senior Security Engineer to lead our security risk management and governance work. This is a senior individual‐contributor role for someone … turning them into shipped, operationalized programs. You will report directly to the CISO, own cross‐program initiatives, and collaborate closely with senior leadership across the firm. The core of the role is hands‐on security risk management, threat modeling, security risk assessments, and security design ...

Senior Application Security Engineer

Location
Greater London, England, United Kingdom
looking for a Senior Application Security Engineer to join our expanding Information Security team. If you are a hands‐on AppSec expert who enjoys working deep in the SDLC, partnering with talented engineers and building security into fast‐moving delivery pipelines, this role gives … genuinely care about secure engineering, and you will have the autonomy, tooling and influence to help them excel. You will work alongside our existing Senior AppSec Engineer and Security Architect, strengthening our capacity and resilience as we continue to mature our security services. This ...

Senior Security Engineer Crypto

Hiring Organisation
Teya Solutions
Location
London, UK
Employment Type
Full-time
businesses, we'd love to hear from youYour missionWe're a regulated payments fintech operating across multiple European markets, scaling into banking-licence territory. Security Engineering is being rebuilt around a joint operating model with our platform and infrastructure teams. We're hiring a Senior Security Engineer who can pick up specific gaps in our current coverage: payment cryptography operations on cloud-hosted HSM services, application security at scale, and pipeline-embedded controls that let the rest of the company move fast without security sitting in the critical path. This is not a review ...

Senior Security Engineer — Proactive Security Lead (Remote)

Location
Greater London, England, United Kingdom
Capital Markets Gateway LLC (CMG) is seeking a Senior Security Engineer to own security risk management, threat modeling, and governance initiatives. You will report to the CISO and drive cross‐program work with senior leadership, turning complex risks into actionable, repeatable security workflows. … role covers cloud security, supply‐chain, endpoint and identity controls, and AI security, with a path from senior IC to broader leadership as the program scales. #J-18808-Ljbffr ...

Senior Security Engineer (AI Safety), London, Lausanne

Hiring Organisation
Isomorphic Labs
Location
London, UK
Employment Type
Full-time
promise of digital biology, and achieving our ambitious mission to one day solve all disease with the help of AI.Your impact As a Senior AI Security Engineer at Isomorphic Labs, you will operate at the absolute frontier of Artificial Intelligence and Cybersecurity. Reporting directly to the CISO … risk management frameworks tailored to the unique threat landscape of AI in life sciences, establish strict governance over critical model artifacts, and embed seamless security controls directly into distributed training and inference infrastructure. You will serve as the technical anchor bridging machine learning engineering, platform architecture, and adversarial defense. ...

VP, Senior Product Security Engineer

Hiring Organisation
Galaxy Digital
Location
London, UK
Employment Type
Full-time
Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Encourage Independent Decision-Making. Build Dream Teams. Who You Are: Galaxy is seeking a Senior Product Security Engineer with an expertise in securing micro services and cloud applications, and with a thorough understanding of product and software engineering processes. … engineer will participate in assessments of advanced trading systems and blockchain architectures, followed by the facilitation and/or implementation of remediations. The engineer will report to the Director of Product Security and work closely with Engineering, Product and Infrastructure teams to design and deliver secure software ...

Senior Threat Modelling & Application Security Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Senior Threat Modelling & Application Security Engineer Day rate: Up to £450 - £500 (Inside IR35) Location: London/Hybrid - 4 days a week onsite Duration: 6 months (Initial) A major organsiation is seeking a Senior Threat Modelling & Application Security Engineer to help drive secure … practices across cloud and application environments. Key Responsibilities Conduct threat modelling using STRIDE, PASTA, ATT&CK and Attack Trees. Identify vulnerabilities and define mitigating security controls. Review technical architectures and support secure SDLC processes. Develop security automation tooling and Python-based applications. Partner with engineering teams to embed ...

Senior Security Engineer - Contract

Location
Greater London, England, United Kingdom
culture celebrates all three. But enough about us. Let’s talk about you. About the teamSecurity Engineering is a team of five covering cloud security, detection, and security operations. They work directly in the Azure estate and are close to the infrastructure, not abstracted behind a policy layer. … long ramp-up. Your work will be visible, and the problems you solve will matter. Does this sound like you You're a senior security engineer who operates credibly across cloud security, detection tooling, and incident response, without being narrowly specialised. You own meaningful parts ...

Senior Security Engineer

Hiring Organisation
Eligo Recruitment
Location
London, UK
Employment Type
Full-time
London, Greater London, South East, England80000 per annumSenior Security EngineerLondon (2x a week)Permanent About the RoleWe are exclusively partnered with a leading UK retail organisation that is currently undergoing a significant digital transformation. We are seeking a technical and hands-on Senior Security Engineer to design, implement, and operate robust security controls across a complex hybrid environment. In this role, you will bridge the gap between strategy and execution, serving as a technical authority for cloud platforms, identity systems, and endpoint security. You will collaborate closely with Network, Infrastructure, and Application teams ...

Senior Security Engineer: Cloud & Infra Security (Hybrid)

Location
City Of London, England, United Kingdom
Eeze is seeking a Senior Security Engineer (Infrastructure) to strengthen security controls across cloud, on-prem and edge environments. You will collaborate with INO, Corporate IT and Platform Engineering to raise security maturity, visibility and incident response. The role emphasizes engineering and operations alignment, with … focus on scalable security controls, vulnerability management and modern tooling in a high-availability setup. #J-18808-Ljbffr ...

Senior Security Engineer, Infrastructure — Hybrid

Location
Greater London, England, United Kingdom
Eeze is seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‐prem environments. You will work with INO, Corporate IT and Platform Engineering to implement scalable controls and improve visibility, resilience and security maturity across the organisation. The role covers networking … cloud, edge security, IAM and incident response, with emphasis on designing and maturing security controls, SIEM, WAF, Kubernetes security and governance alignment. #J-18808-Ljbffr ...

Senior Security Engineer: IAM, Cloud Security & Automation

Location
Greater London, England, United Kingdom
Copper is seeking a Senior Security Engineer to strengthen its security posture by designing, implementing, and improving controls across IAM, cloud, endpoints, and network. You will work with cross‐functional teams to protect systems and data, ensuring governance aligns with regulatory requirements. The role requires hands … expertise, proactive risk reduction, and the ability to influence security best practices across the organization, with a hybrid London‐based setup and opportunities to #J-18808-Ljbffr ...

Senior ICT & Security Design Engineer - London, Bicester or Newcastle

Location
Greater London, England, United Kingdom
Senior ICT & Security Design Engineer - London, Bicester or Newcastle London, United Kingdom, WC1A 1HB | Newcastle, United Kingdom, NE6 2HL | Oxford, United Kingdom, OX27 7LT RED ENGINEERING DESIGN LIMITED Permanent Full - Time Senior ICT & Security Design Engineer - London, Bicester or Newcastle RED are an expanding … fellow project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We now seek a Senior ICT & Security Engineer to be based out of our London, Bicester or Newcastle office. Role Responsibilities Carries out cost and profit diagnosis ...

Senior Product Security Engineer

Location
Greater London, England, United Kingdom
bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. We're seeking a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and ultimately secure our suite of advanced technologies including artificial intelligence systems … control platforms, aerospace vehicles, and long range sensors. The ideal candidate has a background in electrical or software engineering, with a focus on platform security, or has pivoted to a product or application security role. They will be able to conduct complex security architecture reviews, research ...

Senior Product Security Engineer

Hiring Organisation
Anduril Industries
Location
London, UK
Employment Type
Full-time
bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. We're seeking a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and ultimately secure our suite of advanced technologies including artificial intelligence systems … control platforms, aerospace vehicles, and long range sensors. The ideal candidate has a background in electrical or software engineering, with a focus on platform security, or has pivoted to a product or application security role. They will be able to conduct complex security architecture reviews, research ...

Contract Senior Security Engineer: Azure & SOC

Location
Greater London, England, United Kingdom
United States Digital Space LLC is seeking a senior security engineer to bridge cloud security, detection tooling, and incident response. You will own meaningful parts of the security stack, contribute to Azure hardening, and coordinate pen-test cycles. The role is a contract position with … impact and independent work expectations. You’ll bring hands-on SIEM experience (Microsoft Sentinel preferred), Azure security knowledge, Terraform/Bicep for security tooling, and a proactive approach #J-18808-Ljbffr ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
that moves fast, takes real ownership, and holds itself to a high standard of rigour and integrity. The Role You will own the entire security stack at Intropic. Cloud, endpoints, detection and response, compliance, IT, and the security of our growing AI agent usage all sit with you. … priorities, you do the work, and you answer for the results. This suits someone senior who would enjoy the opportunity to lead security at a growing FinTech, rather than operating with small scope in a large team. On a given week you might harden an EKS cluster, tune ...

Senior Application Security Engineer

Hiring Organisation
Flagstone
Location
London, UK
Employment Type
Full-time
culture celebrates all three. But enough about us. Let's talk about you. About the TeamThis is a new AppSec-focused addition to Security Engineering, working closely with product engineering teams across the SDLC. The role sits alongside, not inside, GRC/Compliance — customer security questionnaires … with this role providing technical input as needed rather than end-to-end ownership. Does this sound like you: We're currently hiring a Senior Application Security Engineer to own AppSec end-to-end across our development lifecycle: from design-stage threat modelling through to code review ...

Senior Security Engineer - Detection & Response New London, UK

Location
Greater London, England, United Kingdom
about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. Klaviyo is looking for a Senior Security Engineer to add to our growing Detection & Response Team. This is an engineering role that spans the full detection and response … from doing the same work twice. As a member of the team, you will have the opportunity to work on complex large-scale security challenges across Klaviyo’s enterprise, cloud, and product environments, and shape how an engineering-first D&R function uses automation and AI in production ...