Security Engineer - Threat Detection

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 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.

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.

Join the innovative Server Ingress Security team at MongoDB, where we are transforming the ingress networking of MongoDB Server to enhance cluster security. Our team is responsible for developing the Atlas Network Protection layer, a suite of high-performance, security-critical services designed to fortify MongoDB's pre-authentication attack surface while enabling swift responses to emerging threats. We are seeking talented Senior Engineers to become founding members of this team, playing a pivotal role in our multi-year strategic roadmap. Our team fosters a strong culture of inclusivity, diversity, and collaboration. If you are passionate about working in a collaborative environment that applies security and systems engineering principles to protect a widely-used database at scale, we would love to hear from you! We are particularly interested in candidates located in Dublin for our hybrid work model.

About UsAt Articul8 AI, our unwavering commitment to excellence drives us to develop cutting-edge AI products that not only meet but exceed customer expectations. Our team is composed of passionate professionals who take immense pride in their work and consistently strive for greatness in every facet of our operations. We leverage our strengths to create a positive impact on the world, while inspiring others to join us on this journey.About the RoleWe are looking for a seasoned, hands-on security leader to take charge of and expand our security posture across our AI platform, infrastructure, personnel, and physical environments. This pivotal role demands extensive experience in dynamic startup settings, sound judgment, and the ability to navigate the delicate balance of speed, trust, and risk within an AI-centric organization.You will collaborate closely with the executive leadership team, as well as engineering, product, legal, and operations departments, ensuring that security is integrated into our processes rather than treated as an afterthought. Your leadership will facilitate rapid innovation while building enterprise trust.This position is not merely about compliance; it is a builder role designed for someone who comprehends the realities of Bay Area startups, the intricacies of AI development cycles, and the evolving landscape of modern threats.Key Responsibilities:Security Strategy & LeadershipDevelop and implement the company's comprehensive security strategy encompassing application, infrastructure, data, personnel, and physical security.Act as the chief security advisor to the executive team and Board of Directors.Position security as a business enabler for enterprise clients, partnerships, and global growth.AI & Product SecurityDesign and supervise security measures for AI systems, including:Access controls and isolation mechanismsSecurity and provenance of training dataInference security and prevention of abuseProtection of intellectual property and prevention of model leakageCollaborate closely with engineering and product teams to weave security into the Software Development Life Cycle (SDLC) without impeding innovation.Cloud, Infrastructure & Data SecurityOversee the cloud security posture (AWS/GCP/Azure as applicable).Define and enforce best practices related to:

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.

Join the innovative team at MongoDB as a Staff Software Engineer specializing in Server Ingress Security. In this pivotal role, you will be responsible for designing and implementing robust security solutions that protect our server infrastructure from unauthorized access and potential threats. Your expertise will play a crucial part in enhancing the security posture of our applications, ensuring seamless and secure connectivity for our users.

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 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.

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.

Join Intercom, the leading AI Customer Service company, dedicated to empowering businesses in providing exceptional customer experiences.Our cutting-edge AI agent, Fin, stands as the most sophisticated customer service AI in the industry, enabling businesses to offer seamless, around-the-clock customer support. When paired with our Helpdesk, it forms the comprehensive Intercom Customer Service Suite, designed to address complex queries that necessitate human intervention.Founded in 2011 and relied upon by nearly 30,000 businesses globally, Intercom is pioneering new benchmarks in customer service. Our core values drive us to push boundaries, innovate with urgency, and deliver unparalleled value to our clients.What’s the Opportunity?The Security Engineering Group at Intercom is pivotal in ensuring the secure delivery of software from our R&D teams. As the Engineering Manager for the Application Security team, you'll join our globally distributed Information Security group, safeguarding the security and trust of Intercom for over 25,000 businesses by setting high security standards for our products.Your ResponsibilitiesIn your role as Engineering Manager of a diverse security engineering team, you will:Oversee security across Intercom’s Software Development Lifecycle, implementing security controls to empower our engineering teams to operate rapidly while ensuring a secure application environment.Lead security assessments for product features, collaborating with engineering teams to identify and mitigate security vulnerabilities.Manage product security features, assisting our customers in maintaining a robust security stance while using the Intercom platform.Handle security incidents at Intercom, spearheading investigations and implementing improvements to minimize the risk of recurrence.Collaborate with key stakeholders across Infosec and engineering to define and execute our security vision, strategy, and roadmap for the Intercom product.Lead a globally distributed team of product and security engineers, fostering a collaborative culture that drives high productivity, performance, and reliability.Contribute to shaping and evolving our engineering culture through our organizational programs.Required SkillsWe recognize that these lists can sometimes seem daunting, but we value diverse experiences and backgrounds. If you’re passionate about security and ready to lead a team in a dynamic environment, we encourage you to apply!

Join Contentful as a Senior Software Engineer specializing in Backend & Infrastructure, where you will play a pivotal role in architecting robust, scalable systems that empower our clients to deliver exceptional digital experiences. You will leverage your expertise to optimize backend systems and enhance our infrastructure, ensuring seamless integration and performance.

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.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each member of our team—affectionately known as Klaviyos—brings to our innovative workplace. We believe in providing equal opportunities for success and value the unique journeys each individual contributes beyond the conventional job criteria. If you find yourself closely aligned with the role but not an exact match, we encourage you to apply. To discover more about life at Klaviyo, visit klaviyo.com/careers and see how we empower creators to forge their own paths.Team Overview:The Infrastructure Security team is dedicated to simplifying security choices for engineers as they develop top-tier software at lightning speed. We embed security seamlessly and effortlessly, enhancing both the efficiency of our engineers and the overall security of Klaviyo.Our work integrates aspects of security, infrastructure, and software development, necessitating a comprehensive understanding of systems and engineering principles. We create intricate, foundational solutions that must be exceptionally reliable, secure, and perform optimally on a global scale.This position is ideal for experienced engineers who thrive on transforming real-world challenges into robust, scalable solutions. Your contributions will be highly visible and will significantly influence how hundreds of Klaviyos accomplish their tasks daily, ensuring that hundreds of thousands of customers can use our products with assurance.How you’ll make an impact:As a Senior Software Engineer on the Infrastructure Security team, you will be instrumental in building the internal platforms, systems, and services that serve as the bedrock for secure engineering practices at Klaviyo. Your responsibilities will include:Delivering foundational security services that empower Klaviyo engineers to operate with confidence and speed.Designing and developing systems and processes that ensure high availability and scalability.Creating, building, and deploying software that significantly enhances the availability, scalability, latency, and overall efficiency of Klaviyo's services.Identifying and resolving bottlenecks to achieve breakthroughs in system throughput.Utilizing technologies such as Python, Golang, AWS, Django, and Kubernetes to drive innovation.

At Gong, we leverage the cutting-edge capabilities of AI to revolutionize the way revenue teams achieve success. Our Gong Revenue AI Operating System consolidates data, insights, and workflows into a cohesive and reliable platform that observes, guides, and collaborates with the world's top-performing revenue teams. With the assistance of the Gong Revenue Graph, AI-driven intelligence, specialized agents, and trusted applications, Gong empowers over 5,000 companies globally to gain profound insights into their teams and customers, streamline essential sales processes, and close deals with enhanced efficiency. Learn more at www.gong.io.Joining Gong means becoming part of a visionary company characterized by innovative products, ambitious objectives, and a team of passionate individuals. We are at the forefront of the revenue intelligence revolution, and we seek individuals who are eager to contribute to what lies ahead. You will work within a dynamic team that dreams big, acts swiftly, and values both the craft and each other. Here, transparency and trust are essential to our operations, and each team member has the chance to make a significant impact. If you aspire to grow, challenge yourself, and engage in meaningful work, Gong is the ideal place to excel in your career.As cyber threats continue to evolve, we are dedicated to building a secure future. We are not seeking a passive observer; we need a Digital Bodyguard who thinks in binary and tackles threats head-on. As our Senior Security Operations Analyst, you will be the MVP of our Cyber Defense team—the guardian of our global infrastructure while the world rests easy.If you are a cloud-savvy defender who thrives under pressure and detests manual tasks, your new adventure awaits.Your Responsibilities:Lead Incident Response: When alarms ring, you remain the calmest in the room, orchestrating high-pressure response efforts from the initial alert to the successful conclusion.Proactive Threat Hunting: You will spearhead initiatives to identify indicators of compromise (IoCs) and behavioral anomalies before they escalate into major issues.Enhance Operational Efficiency: Your passion for efficiency will drive you to design SOAR workflows and automate security processes, freeing your team to focus on complex challenges.Manage Multi-Cloud Security: You will act as the gatekeeper for our cloud environments—AWS, GCP, Azure—ensuring our security posture is robust across all platforms.Mentorship: As a leader, you will guide junior analysts, setting the benchmark during on-call rotations.Collaborate Across Teams: You will work closely with IT, Legal, and Privacy teams, addressing security gaps and ensuring organizational compliance.

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.

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.

AECOM is seeking a Senior Engineer to join the Development Infrastructure team in Dublin. This position plays a key role in delivering infrastructure projects that support community growth and urban development. Role overview This role involves leading a team of engineers and working closely with stakeholders to ensure successful project outcomes. The Senior Engineer will take responsibility for guiding projects from planning through completion, focusing on both technical quality and effective collaboration. What you will do Lead and mentor a team of engineers working on development infrastructure projects Coordinate with stakeholders at every stage of the project lifecycle Oversee project execution to ensure technical requirements and quality standards are met Apply technical expertise to address project challenges and deliver effective solutions