Security Engineer - Offensive Security

Role Overview Stripe is hiring a Security Engineer focused on Offensive Security in Ireland. This position centers on protecting Stripe’s systems by finding vulnerabilities and helping to strengthen defenses. The Security Engineer will work closely with a skilled security team to improve Stripe’s security and maintain the reliability of its services.

Join Twilio as a Staff Engineer in Offensive Security, where you will play a pivotal role in enhancing our security infrastructure. You will be responsible for identifying vulnerabilities and developing robust security measures to protect our systems. Your expertise will be essential in leading initiatives that strengthen our commitment to security.

Confirmo is a premier global payment platform that specializes in stablecoin transactions. Established in Prague in 2014, we have developed one of the most robust infrastructures in the industry, gaining authorization under the EU Markets in Crypto-Assets (MiCA) framework from the Central Bank of Ireland in 2025.As we continue to expand our security team, we are seeking a Security Engineer who is eager to play an integral role in enhancing our security posture. This position goes beyond the traditional role of simply monitoring systems; at Confirmo, security is embedded in everything we do.Position Overview:In this role, you will collaborate closely with our Chief Information Security Officer (CISO) and Head of Security to strengthen our defenses, oversee our infrastructure, and ensure the integrity of our code. You will thrive in a modern, cloud-native environment, utilizing AWS and platforms like Cloudflare for edge security. We seek a versatile professional who is passionate about proactively identifying threats, delving deeply into code, and actively contributing to our security strategy.Key Responsibilities:Evaluate, challenge, and enhance our Software Development Life Cycle (SDLC) processes.Develop and maintain security policies for employees utilizing mobile devices.Conduct GAP analyses in collaboration with our CISO, comparing security standards against our AWS practices.Work with the Head of Security to devise and implement a comprehensive improvement plan.Take an active role in executing and reviewing infrastructure and code-level enhancements outlined in our security roadmap.Your Profile:We are in search of a security enthusiast who realizes that effective security merges infrastructure, code, and compliance.Cloud Security Architecture: Profound knowledge of public cloud infrastructure services (preferably AWS) and best security practices for cloud-native environments.Blue Team & SIEM Operations: Experience with security monitoring and observability platforms (e.g., DataDog), including log management and custom detection rule creation.Application Security (AppSec): Familiarity with secure programming principles and a solid understanding of the OWASP Top 10.

Join MongoDB as a Senior Security Software Engineer focused on enhancing our Infrastructure Security. You will play a crucial role in protecting our systems while working alongside talented individuals in a dynamic environment.

At Gong, we leverage advanced AI technology to revolutionize the success of revenue teams. Our Gong Revenue AI Operating System integrates data, insights, and workflows into a cohesive and reliable system that collaborates with the most successful revenue teams globally. With the support of the Gong Revenue Graph, AI-driven intelligence, specialized agents, and trusted applications, we empower over 5,000 organizations worldwide to gain profound insights into their teams and customers, automate essential sales processes, and achieve higher sales outcomes with greater efficiency. Discover more at www.gong.io.Joining Gong means becoming part of a vibrant community dedicated to innovative products, lofty ambitions, and driven individuals. We are at the forefront of shaping the future of revenue intelligence and seek individuals eager to contribute to what lies ahead. You will collaborate with a team that aspires to achieve greatness, operates swiftly, and values craftsmanship as well as camaraderie. In our environment, transparency and trust are fundamental, allowing every team member to make a significant impact. If you are looking to advance, challenge yourself, and engage in work that truly matters, Gong is where you can excel in your career.We are in search of a proactive Digital Architect of Chaos Prevention, someone who treats zero-day vulnerabilities as routine and constructs automated defenses before threats can even pose a challenge. As a Senior Security Operations Engineer, you will be the architect of our protective measures, refining code and strengthening our global infrastructure to enhance security.If you are a cloud-savvy defender who thrives in high-stakes situations and abhors monotonous tasks, your new adventure awaits.Your Responsibilities:Chaos Wrangler: Manage SIEM/SOAR tools like a digital maestro, assisting analysts by automating tedious tasks.Threat Buster: Vigilantly seek out threats before they emerge, not just responding but predicting.Trap Setter: Proactively develop custom logic, YARA rules, and Sigma signatures to detect attackers before they realize they’ve been identified.Multi-Cloud Mastery: Oversee our environments in AWS, GCP, and Azure, ensuring our security posture is impeccable across the board.Fortune Teller: Delve into the obscure corners of the web, analyzing adversarial behavior and transforming threat intelligence into actionable defense strategies.Elite Mentor: Lead and nurture junior analysts and engineers, establishing the benchmark during on-call rotations.Cross-Functional Diplomat: Collaborate effectively across IT, DevOps, and Privacy teams to enhance security protocols.

Role Overview Crusoe is hiring a Staff Security Engineer in Dublin, IE. This role focuses on protecting the company’s technology and infrastructure. The position involves designing, implementing, and maintaining security solutions to safeguard sensitive data and support compliance with industry standards. What You Will Do Design security solutions that address current and emerging threats Implement and maintain security controls across systems and infrastructure Monitor for vulnerabilities and respond to incidents as needed Work with a team of engineers to develop and refine security strategies Support compliance efforts with relevant industry standards Team and Culture Collaborate with skilled professionals who focus on innovation and security. The team values practical solutions and a proactive approach to protecting company assets.

Telnyx operates a private, global multi-cloud IP network, delivering connectivity for people, devices, and applications. The company invests in edge technology and user-friendly APIs to modernize legacy systems and automate manual processes. Team culture emphasizes financial stability and continuous learning. For more details about Telnyx’s network and edge technology, visit https://telnyx.com/our-network and https://telnyx.com/resources/about-edge-connectivity. Role overview This Junior Security Operations Engineer role is based in Dublin, Ireland or Amsterdam, Netherlands. The position supports Telnyx’s Security Operations (SecOps) program, with a focus on hands-on work and tool development to strengthen security triage, investigation, and response. What you will do Develop and improve AI-assisted security tools, including triage agents for bug bounty submissions, investigation copilots for log and SIEM data, and response workflows that propose and track remediation steps. Split time between building these tools and reproducing vulnerabilities to strengthen the company’s security posture. Collaborate with the Technical Operations Director and the Governance, Risk, and Compliance (GRC) lead. Contribute to vulnerability management, threat response, dark web monitoring, and internal security tooling. Who thrives in this role Engineers interested in AI-driven security solutions. People who enjoy building and refining internal tools. Those who want to combine technical development with hands-on vulnerability work. Collaborators who value learning and growth in a stable, innovative setting.

About UsAt Twilio, we are redefining the landscape of communications, enabling businesses and developers to create personalized experiences from anywhere in the world. Our innovative solutions empower hundreds of thousands of businesses, fostering connections and driving global impact. With our commitment to a remote-first work culture, we celebrate diversity and inclusion, ensuring every team member feels valued and engaged regardless of their location.As we continue to build the future of communication, we invite you to take charge of your career at Twilio, where your contributions help shape our mission.Join Us at TwilioWe are looking for a dedicated Senior Security Automation Engineer to join our dynamic Information Security Team.About the RoleIn this vital role, you will enhance the efficiency of our Information Security Team by automating and optimizing essential security workflows. Your expertise as a Software Engineer specializing in Security Automation will involve collaborating closely with security teams throughout the software development life cycle. You will engage in requirements gathering, technical design, sprint planning, coding, testing, deployment, and ongoing support. You will take ownership of automated workflows that bolster our security initiatives, including cloud security, product security, Governance, Risk & Compliance (GRC), and enterprise security, all while applying Agile methodologies to deliver continuous value to our stakeholders.

Join Blockdaemon, a pioneering company in blockchain infrastructure, as a DevOps Security Engineer. In this role, you'll be instrumental in enhancing the security of our platforms and services, ensuring they meet the highest standards of safety and reliability. Your expertise in DevOps and security practices will allow you to work closely with our engineering teams to implement robust security measures, conduct vulnerability assessments, and respond to security incidents.

About LastPassLastPass stands at the forefront of password and identity management, simplifying the login experience for both personal and professional realms. With the trust of over 100,000 businesses and millions of individuals, LastPass merges cutting-edge security with seamless accessibility for users ranging from families to enterprise professionals. Our platform ensures that crucial credentials remain secure, private, and easily accessible.Curious about our products? Visit our website and try it free!We invite fresh ideas, champion your development, and value your contributions. If this resonates with your career aspirations, we welcome you to Join Us!LastPass is actively seeking a Senior Cloud Security Engineer:In this role, you will work collaboratively with our DevOps, CI/CD engineers, and Architecture team to establish and uphold security best practices across our infrastructure.About the Team:The Product Security team at LastPass is on the lookout for a Senior Cloud Security Engineer to help protect the privacy and security of our company and users’ data. Our team consists of experienced application and cloud security engineers who work closely with our engineering, platform, and trust & security teams.If you have a passion for tackling complex challenges and are driven by scalability, this is the perfect opportunity for you!Who will you collaborate with?As a Senior Cloud Security Engineer at LastPass, you will partner with DevOps, CI/CD engineers, and our architecture team to enforce security best practices across our infrastructure.What exciting challenges will you face?Utilize your expertise in security architecture to enable engineers to build and securely operate products and services from inception.Evaluate, design, and implement security processes and controls to meet security, compliance, and audit standards.Conduct proactive research to identify emerging threats and attack vectors.

Join Wiz, the fastest-growing company in cloud security, as a Security Engineer specializing in Product and Production Infrastructure. In this role, you will perform security reviews, manage vulnerabilities, and respond to incidents within cloud-native environments. Collaborate closely with our software development and DevOps teams to secure our innovative products and infrastructure while influencing our product roadmap through the use of Wiz-for-Wiz tools. If you're passionate about cloud security and eager to make a significant impact, we want to hear from you!

Role Overview Stripe is looking for a Security Engineer focused on Threat Detection to help protect its platforms. This role centers on identifying vulnerabilities, strengthening security controls, and shaping incident response strategies. What You Will Do Collaborate with teams across Stripe to spot and address security risks Design and implement security measures that defend against new and evolving threats Develop and refine processes for detecting and responding to security incidents Impact Your work will help build and maintain secure infrastructure, safeguard customer data, and support the overall safety of Stripe’s services. Location This position is based in Ireland.

About UsAt Davy Group, our success for nearly a century is built upon the extraordinary talents of our diverse team. As we continue to expand, your growth is paramount. You are not just a team member; you are integral to shaping our future.Your impact at Davy is significant.Founded in 1926, Davy Group is central to wealth and capital management in Ireland, offering a wide array of services to high-net-worth individuals, self-directed investors, SMEs, credit unions, corporations, and both domestic and international institutional investors.Our culture is deeply rooted in three core values: client success, unified teamwork, and legacy building. Together, we strive to achieve exceptional outcomes for our clients. With over 900 team members, you will find encouragement for both professional and personal development.About the RoleAs a Senior Cloud Security Engineer, you will spearhead security assurance across our cloud platforms, particularly emphasizing Microsoft Azure/365. This role merges hands-on cloud security engineering with DevSecOps expertise, solution architecture reviews, and governance practices.You will collaborate closely with Service Delivery, Architecture, and Development teams to integrate robust security controls throughout the Software Development Life Cycle (SDLC), proactively identify potential risks, and support the secure operation of enterprise systems. Serving as a crucial escalation point within the Security function, you will also contribute to incident response, threat modeling, and the continuous enhancement of our security capabilities.Key ResponsibilitiesCloud Security & ArchitectureCollaborate with Service Delivery to secure cloud environments, including Azure, Microsoft Entra, Microsoft 365, and Salesforce.Offer expert guidance and assurance across cloud architecture, SaaS integrations, design submissions, and technical change processes.Evaluate emerging technologies and propose forward-looking secure solutions.Review internally developed application designs for security compliance.Operational SecurityProvide operational support for the Microsoft Defender suite including Endpoint, Identity, O365, and Cloud.Investigate and analyze outputs from SIEM, vulnerability scanners, and other security tools.Assist in incident response efforts by providing technical analysis and remediation strategies.Security Engineering & DevSecOpsFacilitate secure delivery across IaaS, PaaS, Containers, and Infrastructure-as-Code environments.Ensure secure integration of APIs, cloud-native services, and CI/CD tooling.Support continuous improvement initiatives related to security engineering.

Role Overview MongoDB, Inc. is hiring a Senior Cloud Product Security Engineer in Dublin. This role focuses on strengthening the security of MongoDB’s cloud-based products. The position partners closely with teams across the company to spot vulnerabilities, apply security controls, and help maintain strong security practices throughout the product lifecycle. What You Will Do Work with engineering and product teams to assess and address security risks in cloud products Identify vulnerabilities and help drive remediation efforts Implement security measures that align with industry standards and internal guidelines Contribute to ongoing improvements in MongoDB’s security posture Location This position is based in Dublin.

Role Overview Twilio is hiring a Staff Engineer, AI Security to help strengthen security systems using artificial intelligence. This fully remote position is based in Ireland. What You Will Do Design, implement, and maintain security protocols that use AI to protect Twilio’s infrastructure. Work closely with teams across the company to identify risks and improve security measures. Apply deep knowledge of artificial intelligence to develop new approaches for detecting and responding to threats. Collaboration This role partners with cross-functional teams to ensure security practices are integrated throughout Twilio’s systems and operations.

Role overview The Security Coordinator at atc-driving-forward plays a key part in keeping daily operations on track at the Baldonnell site. This position blends security oversight, facilities support, and front-of-house responsibilities. The role involves both hands-on tasks around the premises and coordination with staff, visitors, and contractors. Main responsibilities Conduct daily security patrols and system checks, including monitoring CCTV across the Baldonnell site and several offsite locations. Ensure all activities follow health and safety guidelines. Manage access control for staff, visitors, and contractors. Maintain accurate records and assist with onboarding new employees. Handle incoming and outgoing mail and parcels. Securely lock and unlock the premises each day. Coordinate with external monitoring services during alarm activations. Support security contractors and ATC staff in troubleshooting security systems. Carry out weekly checks, such as reviewing fleet cameras (Samsara), testing generators, and performing water treatment tasks. Support facilities operations by coordinating contractors, addressing maintenance issues, and handling general site tasks. Participate in on-call duties as required. Provide reception support: greet visitors, manage registration, and assist with administrative work. Communicate with ATC staff about visitors, deliveries, and parking. Help keep the work environment tidy and organized. Location This position is based on site in Baldonnell, County Dublin, Ireland.

Junior Security Governance SpecialistJoin BWG Foods as a motivated and detail-driven Junior Security Governance Specialist. This role is integral to enhancing our security framework and ensuring compliance with established security protocols. If you're eager to kickstart your career in information security governance within a vibrant organization, this is the perfect opportunity for you.Key Responsibilities:Track and monitor operational security KPIs, SLAs, and related metrics.Assist in developing and maintaining IT security policies, standards, and guidelines in line with industry best practices.Promote the effective implementation of security policies across the organization.Participate in benchmarking activities against security frameworks such as NIST and other relevant standards.Support visibility and reporting on IT initiatives that bolster the company’s security posture.Collaborate with managed security partners to align with BWG Foods’ security objectives.Help maintain centralized risk registers and support risk reporting activities.Assist in preparing security reports for management and stakeholders.Engage in third-party risk management, including vendor security posture evaluations.Contribute to the review and design of technology solutions to meet security requirements.Coordinate security awareness initiatives throughout the business.Work with internal teams to integrate security considerations into projects and processes.Support Security Impact Assessments (SIA) and liaise with the DPO for Data Privacy Impact Assessments (DPIA) as necessary.Participate in post-incident reviews and assist in implementing lessons learned.

Reporting to the Senior IT Security Manager, the Cloud Security Analyst at dyneits will focus on protecting large-scale, multi-cloud, and Kubernetes-based environments. This role is based in Dublin and centers on cloud-native and container security. Role overview The Cloud Security Analyst will help set and enforce security protocols, strengthen detection and response capabilities, and work closely with DevOps, Networking, and SOC teams. Integrating security across all layers of design and automation is a key part of this position. What you will do Improve and streamline cloud-native security controls, including IAM, network security (WAF, VPC), and data protection tools (KMS, Vault). Implement and manage CSPM, CNAPP, and CWPP solutions to maintain a strong security posture across multi-cloud and Kubernetes environments. Integrate cloud telemetry (such as GCP Audit Logs, AWS CloudTrail, Azure Monitor, Kubernetes audit logs) into SIEM/SOAR platforms for unified visibility. Design and enforce cloud security architecture and guardrails based on Zero Trust and Least Privilege principles. Develop and maintain Security-as-Code practices using tools like Terraform, CloudFormation, or Bicep, including policy-as-code frameworks. Oversee and enhance the security of containerized environments (GKE, AKS, EKS), focusing on image, registry, and runtime protection. Strengthen Kubernetes clusters with RBAC, NetworkPolicies, Admission Controllers, and secure configurations. Lead cloud security incident response activities, including triage, containment, and forensic analysis. Monitor and assess new threats, vulnerabilities, and attack vectors in cloud-native ecosystems. Requirements 5+ years of experience in Information Security. At least 3 years of hands-on Cloud Security experience. Minimum of 2 years working with Kubernetes or container security. Direct experience with at least two major cloud platforms (GCP and Azure preferred; AWS or OCI a plus). Strong understanding of Kubernetes security controls, including RBAC, Secrets, Ingress, and TLS. Familiarity with container runtime security and orchestration tools. Proficiency in scripting languages (Python preferred; Bash or Go is a plus). Experience with Infrastructure as Code (IaC) and automation practices. Knowledge of security frameworks and compliance standards such as ISO 27001, SOC 2, NIST, and CIS Benchmarks.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each team member—affectionately known as Klaviyos—brings to our dynamic workplace. We believe in equitable opportunities for success and value the unique insights that every individual contributes beyond standard job qualifications. If you find that your experience closely aligns with our needs, we encourage you to apply even if you don't meet every requirement. To discover more about life at Klaviyo, please visit klaviyo.com/careers to see how we empower creators to own their destinies.Team OverviewThe Infrastructure Security team ensures that engineers can effortlessly make secure choices while developing top-tier software at remarkable speeds. Security is integrated by default—creating a seamless experience that enhances both the engineers' workflow and Klaviyo's overall security posture.Our initiatives sit at the crossroads of security, infrastructure, and software engineering, as we design and build cloud-native platforms and services that are reliable, secure, and high-performing on a global scale—forming the essential backbone for all Klaviyo engineers.This position is ideal for engineers who are passionate about constructing modern distributed systems, prioritize security and reliability, and wish to make a significant impact within a large engineering organization.Your ImpactAs a Software Engineer on the Infrastructure Security team, you will design and maintain the systems that empower Klaviyo engineers to deliver secure software confidently. Your responsibilities will include:Architecting, developing, and maintaining cloud-native security services utilized throughout Klaviyo.Taking ownership of key components and services from initial implementation to production deployment.Enhancing the availability, scalability, latency, and efficiency of infrastructure security systems.Collaborating with senior engineers on system design and architecture, contributing innovative ideas and technical solutions.Identifying and addressing performance, reliability, and security concerns in distributed systems.Utilizing cutting-edge technologies such as Python, Golang, AWS, Kubernetes, Terraform, and modern data storage solutions.Actively engaging in design reviews, code reviews, and collaborative brainstorming sessions.

Position Title: Security Operations Engineer (Dublin) Entity: Kroll Bond Rating Agency Europe Limited Employment Type: Full-time Location: Dublin, Ireland Summary/Overview: Kroll Bond Rating Agency (KBRA) is actively seeking a talented Security Operations Engineer to bolster our expanding Information Security team in our Dublin office. This pivotal position involves collaboration with our global security teams across the United States and Europe to effectively monitor security events, investigate potential threats, and fortify the overall security framework of our organization. This role is hands-on, emphasizing operational security through diligent monitoring, incident response, vulnerability management, and the implementation of security tools across KBRA’s cloud and enterprise environments. About the Team: At KBRA, we believe in integrating security across all business and technological domains, fostering a robust security culture. The Security Operations team collaborates closely with engineering, infrastructure, and business units to identify and address security threats while perpetually enhancing our security posture. In this role, you will partner with security professionals across various regions, helping maintain monitoring coverage and incident response efficacy within KBRA’s global framework. About the Role: As a Security Operations Engineer, you will be instrumental in enhancing KBRA’s security detection and response capabilities across our cloud and enterprise platforms. Your responsibilities will encompass engineering effective monitoring systems, developing detection logic, and improving investigation workflows to boost security visibility, minimize operational noise, and support business continuity. You will design and refine security monitoring across various systems, applications, and cloud infrastructures, ensuring timely alerts are generated while swiftly identifying and addressing security risks. In collaboration with infrastructure and engineering teams, you will enhance KBRA’s security posture by improving controls, automating operational processes, and supporting incident response initiatives during security events. You will also work with internal teams to mitigate the impact of security controls (e.g., blocked access, email, or endpoint restrictions), ensuring minimal disruption to business operations.