626 to 650 of 1,599 Security Engineer Jobs

Amazon is seeking a Security Engineer within the Traffic Quality Security Engineering team to research ad fraud threats and build robust detection techniques. You will reverse engineer malware behaviors, analyze network traffic and collaborate with security colleagues to reduce fraud risk and protect advertiser trust. … expected to contribute to detection methods, stay ahead of emerging threats, and help inform engineering decisions across Amazon's security landscape. #J-18808-Ljbffr ...

seeking a skilled Cloud Security Engineer to design, build, and maintain security in a predominantly Azure cloud environment. This role plays a key part in ensuring the reliability, scalability, and security of cloud services while supporting ongoing digital transformation initiatives. You will work across cloud infrastructure … Microsoft 365, and SaaS integrations, while also acting as a senior technical escalation point for complex security-related issues. Key Responsibilities Manage and secure Microsoft Entra ID (Azure AD) environments, focusing on identity, authentication, and access management across cloud platforms. Implement and maintain Conditional Access , MFA, and Zero Trust ...

Tain, we are seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‐prem environments. The role collaborates with INO, Corporate IT and Platform Engineering to enforce scalable controls, improve visibility and resilience, and mature security practices in high‐availability setups. The candidate … will apply expertise in networking, cloud, edge security, and infrastructure hardening, helping drive incident response, secure configurations and tooling across #J-18808-Ljbffr ...

Maria Petersen - Alpha Demo (For Product Release) is seeking a Security Engineer to manage security posture and protect the application from threats. You will perform web app pentests, secure cloud infrastructure, and oversee SOC II controls, with the ability to pull the plug on risky features. … strong background in security testing and proactive risk management is essential. The role requires hands-on experience with Linux, firewall management, and Agile DevOps practices, and offers a #J-18808-Ljbffr ...

Klaviyo is seeking a Senior Security Engineer to join the Detection & Response team, shaping engineering-first security across enterprise, cloud, and product environments. The role emphasizes building detections-as-code, incident response leadership, and automation at scale with AI-enabled tooling. The engineer will tackle large … scale security challenges, contribute to threat hunting, and collaborate with global teams in a fast-paced, security-focused culture at Klaviyo. #J-18808-Ljbffr ...

Network Security Engineer - Networks, Bluecoat, Firewalls £40,000 - £50,000 (depending on experience) + bonus + benefits Hertfordshire A truly advanced organisation who are currently in a phase of growth and looking to add to the team once again. Key Responsibilities * Knowledge of some of the following vendors … Palo Alto, Cisco, Check Point, Infoblox, Bluecoat, and similar, along with having operated on security-related projects. * Firewalls, Routers, Switches, Packets, testing, monitoring, analysing, network systems, threat detection, infrastructure and security are all second nature to you. * Secure communication (cryptography) would be highly beneficial. * Operated across multiple platforms ...

Hamilton Barnes Associates Limited is seeking an experienced Senior Network Security Engineer to join its growing networking and security team. The role blends network security design, implementation, project delivery, and technical ownership, rather than focusing purely on BAU support. You will work on FortiGate firewalls …/SASE, VPN technologies, SIEM/SOAR and XDR environments, and security audits across complex environments, delivering secure, resilient infrastructure for public sector #J-18808-Ljbffr ...

Cisco Systems is looking for a Tetragon Security Engineer in Greater London. The role involves developing and maintaining runtime security policies for Tetragon, a Kubernetes-aware security tool. Candidates should have over 3 years of experience in threat research and security detections. The position offers … opportunities to work with both Cisco and Isovalent engineers on enhancing security capabilities. Effective communication skills are essential, and familiarity with eBPF and Kubernetes is preferred. #J-18808-Ljbffr ...

Hamilton Barnes Associates Limited is seeking an experienced Security Engineer to join its Security Operations function. The role focuses on Microsoft Defender XDR, Microsoft Sentinel, and Microsoft 365 security, with client exposure and a primary remote work setup with occasional London or Cardiff office visits. … will design and optimise security controls, develop detections, manage vulnerability assessments, and contribute to incident response. #J-18808-Ljbffr ...

Hamilton Barnes Associates Limited is seeking an experienced Security Engineer to join its Security Operations function. The role focuses on Microsoft Defender XDR, Microsoft Sentinel, and Microsoft 365 security, with client exposure and a primary remote work setup with occasional London or Cardiff office visits. … will design and optimise security controls, develop detections, manage vulnerability assessments, and contribute to incident response. #J-18808-Ljbffr ...

Pigment is seeking a hands-on Security Engineer to own the security roadmap for its product, infrastructure and CI/CD environment. You’ll read code, model threats, triage vulnerabilities and build automation with the team. You’ll work across application and infrastructure security, detection … assurance, partnering with engineers and SREs to keep certifications current while pushing security depth and velocity. #J-18808-Ljbffr ...

looking for a Security Engineer to design and build the platform that feeds Outerlimit security telemetry from the Global portal into the tools our customers run their security operations in (SIEM, SOAR, XDR etc). Today we discover shadow AI, enforce policy at the appliance … least-once semantics, idempotency, retry and dead-letter design Able to debug delivery under load, and treats delivery guarantees as a product feature Security Domain Direct experience with SIEM, SOAR or XDR, either building integrations for them or working inside one Understanding of how a SOC consumes data ...

Granola inc in Greater London is seeking a passionate Security Engineer to enhance application security within their software development lifecycle. The ideal candidate will design security features, conduct assessments, and educate teams on secure coding practices. A strong background in security-sensitive work and proficiency ...

CloudyIT is seeking a Microsoft 365 Security Engineer to strengthen security across Microsoft 365 for UK clients, with a focus on identity, devices and data protection. The role sits at the Buckingham office with flexible remote working. You will assess configurations, implement security controls such ...

Marine Systems plc is seeking a Product Security Engineer to embed security into product development from design through delivery. You will collaborate with software teams to review designs, code and backlog decisions, ensuring security is built in from the start. Based mainly in Bristol with occasional … travel to Cardiff and Bath, this hands-on role offers hybrid working and real opportunities to lead and grow the product security capability across our global software estate. #J-18808-Ljbffr ...

Vercel is seeking a Security Engineer to join our Detection Response team in London. You will manage CorpSec posture, monitor security anomalies, and build detections and visibility for internal systems. For UK-based candidates, hybrid work with in-office anchor days is available; fully remote options exist … others. You will collaborate with Engineering, GRC, and Security to support audits and improve security operations. #J-18808-Ljbffr ...

SpaceXAI London is seeking an Infrastructure Security Engineer to design, implement, and secure cloud and hybrid infrastructure across multiple platforms. You will embed security into CI/CD pipelines, manage IaC with security controls, and partner with engineering to harden environments. The role emphasizes automation, secure ...

JPMorganChase in Glasgow is seeking an experienced Security Engineer III to join our Global Technology team. You will work within an agile squad to design and deliver trusted security solutions that scale, protect customers, and integrate cloud security platforms. You will contribute to security architecture ...

Principal Functional Safety and Cyber Security Engineer UK Vacancy listed 04/06/2026 Role Purpose Deliver Functional Safety and Cyber Security functions, working cross-domain (Systems, HW, SW) to ensure development of product aligns with company’s and customers functional safety and cyber security … engineers and external suppliers, to deliver designs within the ISO 26262 and ISO 21434 (and other derived standards) frameworks. Ensuring compliance, for safety and security concepts along with technical, software and hardware safety requirements. Safety and security and Failure analysis (HARA/TARA/FMEA/FTA/ ...

Amazon is seeking a Security Engineer to help build and manage detections and automation for cybersecurity across its infrastructure. You’ll work with data scientists, software engineers, and security colleagues to develop world-leading security solutions for AWS customers and internal teams. You’ll join … Security Operations Centre (SOC) in the UK, building detections, incident response, and driving automation with AI. #J-18808-Ljbffr ...

Matchtech is recruiting for a Cyber Security Engineer to join a mature Security Operations function in Stevenage on a 24-month contract, onsite. The role focuses on implementing, maintaining, and optimising security technologies across complex environments. Key tasks include SIEM administration, log ingestion, automation via PowerShell ...

Senior Firewall/Security Network Engineer Network Operations Group Full time UK-Remote UK-London Office 8x8 connects our customers and teams globally, empowering CX leaders with performance and insights to make smarter decisions, delight customers, and drive lasting business impact. We're hiring a Senior Firewall/… Security Network Engineer to own the design, delivery, and operation of our firewall and network-security estate across on-prem data centers and cloud (AWS, OCI). This is a hands‐on senior role: you'll set the firewall architecture — especially for hybrid and cloud connectivity — while ...

About The Position Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensuring teams focus on what … opportunity to think creatively, explore new ideas, and use your skills to make a meaningful impact on our growth. We are looking for a Security Engineer to join our MDR team as the founding U.K. member of the Security organization. In this role, you will be part ...

United States Digital Space LLC is seeking a Security Engineer II to strengthen security across cloud-native environments and AI platforms. You will build guardrails, manage tooling, and collaborate with TechOps to harden infrastructure and protect systems. The role emphasizes security by design, hands-on tooling ...

Global is seeking a Principal Application Security Engineer to lead application security across its global technology estate. Reporting directly to the CISO, this senior individual contributor defines strategy, standards, and maturity objectives to protect our systems and data. You will partner with engineering leadership to embed security by design across the SDLC, perform threat modelling and architecture reviews, and oversee vulnerability management and security tooling while enabling #J-18808-Ljbffr ...