Staff Security Engineer

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.

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.

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 Stripe as a Staff Engineer in our Production Engineering team, where you will play a critical role in building and maintaining scalable systems.As a leader in this innovative environment, you will collaborate with cross-functional teams to optimize our infrastructure and enhance the reliability of our services. You will leverage your expertise to influence product design and architecture decisions, ensuring the highest performance and availability.

About SeapointSeapoint is revolutionizing the financial landscape for European startups and scale-ups. Our innovative, AI-driven business account streamlines everything from payroll and expenses to invoice payments and reporting, all centralized in one platform.Founded by Sean Mullaney, the former European CIO at Stripe, alongside a talented team of alumni from renowned companies such as Stripe, Wise, Wayflyer, Nubank, and Tide, we have successfully secured $3M in pre-seed funding led by Frontline Ventures. After nine months of dedicated development, we are now in private beta, collaborating with numerous VC-backed startups that are finally gaining the comprehensive financial insights they've been seeking.We are tackling a genuine challenge: European startups often find themselves caught between the inadequacies of neobanks and the overwhelming complexity of traditional corporate banking. Many are forced to manage 4-6 different financial products manually while earning no interest on their cash deposits. Our solution employs AI automation to alleviate this burden, allowing founders to devote more time to growing their businesses instead of managing spreadsheets.Explore more about our vision here.About the RoleHelp define the technical framework of startup finance.As a Staff Engineer, you will spearhead architectural decisions across our platform, mentor engineering teams, and tackle the toughest technical challenges we encounter. Whether it’s scaling our multi-tenant financial infrastructure or developing integrations with banks and other fintech partners, you will play a crucial role in ensuring reliability at scale.We are seeking leaders from diverse backgrounds who are enthusiastic about creating innovative solutions. You will collaborate with founders and senior engineers experienced in building financial infrastructure at scale, addressing the unique challenges that startups face.While we primarily use a modern stack featuring Typescript, bun, PostgreSQL, and various AWS services, we value curiosity and are always open to exploring new software development methodologies and AI tools.RequirementsKey Qualities: Technical expertise, system design proficiency, and the capability to convert complex problems into elegant solutions that facilitate growth for thousands of startups.If you're eager to create the infrastructure that empowers the next generation of companies, we want to hear from you.

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.

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.

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.

Intercom, a leader in AI Customer Service, is dedicated to enhancing business-customer interactions through innovative technology.Our flagship AI agent, Fin, represents the pinnacle of customer service AI, enabling businesses to provide always-on, exceptional customer support. When combined with our Helpdesk, it forms the Intercom Customer Service Suite, a comprehensive solution designed to tackle complex inquiries that require human touch.Since our inception in 2011, Intercom has built a robust client base of nearly 30,000 global businesses, championing a new standard in customer service. With values that inspire innovation, urgency, and value creation, we are committed to pushing boundaries.What’s the Opportunity?As a Staff Product Engineer, you will take on a pivotal role within our team and contribute significantly to our engineering efforts. You will develop both back-end and front-end systems, collaborating closely with designers, product managers, researchers, and data analysts. Your responsibilities will also include mentoring fellow engineers and partnering with the Engineering Manager to shape the team’s growth and technical direction.What Will I Be Doing?In this role, you will:Contribute to the evolution of our technical architecture to accommodate the growing demands of our customer base.Prioritize agility along with scalability and availability, utilizing continuous deployment to focus on incremental improvements.Engage in all stages of software development, from ideation and prototyping to design and implementation, balancing hands-on coding with architectural leadership.Utilize cutting-edge tools to enhance your development experience, allowing you to focus on solving impactful challenges.Actively participate in the hiring, mentoring, and career progression of engineering talent.Set high standards for technical excellence, performance, reliability, and operational success.

At Ripple, we are pioneering a future where value is transferred as effortlessly as information. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers to enhance the global financial system, promoting economic fairness and opportunity for individuals worldwide. Join a dynamic team where you can elevate your career and expand your skill set alongside supportive colleagues.If you are eager to make a significant impact and unlock remarkable career advancement prospects, we invite you to join us in creating tangible value for the world.In 2025, Ripple acquired GTreasury, marking an important step into the expansive corporate finance sector valued in the trillions.With over 40 years of expertise, GTreasury supports some of the largest and most sophisticated companies globally. By integrating its treasury command center into Ripple’s technology stack, we enable businesses to manage and optimize liquidity in real-time, across both traditional and digital assets.Become a part of our mission to revolutionize corporate treasury and the infrastructure that powers the Internet of Value.We are looking for a forward-thinking Staff Software Engineer who is passionate about developing a world-class platform in collaboration with a talented team. Your role will focus on driving technical excellence in application development, from design through implementation and maintenance.Key Responsibilities:Collaborate with architects and product managers to design, estimate, and implement innovative application features across front-end, server-side, and database tiers.Utilize Azure services to develop powerful, scalable, and resilient cloud-based solutions.Enhance software applications and manage delivery pipelines, feature flags, ensuring smooth integration and deployment.Conduct thorough unit, integration, and non-functional (performance, security) testing to ensure production readiness of our software.Employ observability tools and logging to troubleshoot and resolve issues across development, testing, and production environments.Stay updated on technology trends, explore new technologies, engage with tech communities, mentor fellow engineers, and lead technical design and code evaluations.Continuously seek improvements in team operations, processes, methodologies, and technology choices, aiming for excellence in every practice.

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.

At Intercom, we are pioneering the future of customer service through artificial intelligence. Our mission is to empower businesses to create exceptional customer experiences.Our flagship AI agent, Fin, represents the forefront of customer service technology. By offering seamless, 24/7 support, Fin enhances customer interactions and redefines service excellence. When paired with our Helpdesk, it evolves into the Intercom Customer Service Suite, which provides AI-enhanced solutions for intricate queries that necessitate human intervention.Founded in 2011 and trusted by nearly 30,000 businesses globally, Intercom is establishing a new benchmark in customer service. Our commitment to innovation drives us to push boundaries, work with urgency, and consistently deliver outstanding value to our clients.What is the opportunity?We are on the lookout for Staff Product Engineers to join our AI Group, focusing on the development of AI-driven products. As a Product Engineer specializing in machine learning (ML), you will collaborate closely with both our ML Scientists and product teams. A deep understanding of our products, customers, and technological framework is essential.Your role will involve defining new ML features, exploring suitable algorithms and technologies, and rapidly delivering prototypes to our customers.We are a highly product-focused team that collaborates with Product and Design teams across the organization. Our dedicated engineers enable quick transitions to production, often releasing beta versions within weeks following successful offline testing.We are passionate about leveraging machine learning technology, having successfully productized a range of solutions from traditional supervised models to innovative applications of transformer neural networks. Our commitment to testing and measuring the real-world impact of each model we deploy is unwavering.If you are an experienced product engineer with a strong analytical mindset and hands-on experience with ML systems, we invite you to connect with us!

Join Anthropic as a Staff Software Engineer specializing in Inference. In this pivotal role, you will lead projects that enhance our AI systems, contributing to the development of safe and alignable AI technologies. You will collaborate with a dynamic team of engineers and researchers, utilizing cutting-edge tools and methodologies to push the boundaries of AI capabilities.

Join MongoDB as a Senior Staff Engineer, where you will be pivotal in designing, developing, and managing our comprehensive Observability stack that serves both internal and external users. Our Observability stack is critical for monitoring database clusters, providing actionable alerts to protect vital workloads relied upon by tens of thousands of customers. You will contribute to a team responsible for the metrics, visualization, logging, tracing, and alerting systems that enhance the MongoDB platform's reliability and performance.As the demand for high-cardinality observability data grows alongside MongoDB Atlas, you will innovate and scale our systems to handle immense data volumes, processing billions of metrics time series and petabytes of logs and events. Our technology stack features tools and languages such as VictoriaMetrics, Splunk, Flink, WarpStream/Kafka, Java, and Golang. You'll collaborate closely with Software Engineers, Product Managers, and Site Reliability Engineers to promote best practices in service instrumentation and monitoring.We pride ourselves on fostering a culture of inclusivity, diversity, and teamwork. If you aspire to be a technical leader within a collaborative environment that leverages low-level systems expertise to build foundational infrastructure for a widely-used database, we invite you to apply and help us create a faster, more reliable, and highly observable database system.

Toast, Inc. is looking for a Staff Software Engineer to join the Team Agent group in Dublin. This role centers on building and improving software that directly impacts the customer experience. Collaboration is a key part of the work, with regular interaction across engineering and product teams to support Toast’s broader technical goals. Key responsibilities Design and develop software solutions for the Team Agent division Work alongside engineers, product managers, and other stakeholders to deliver features Create systems that address customer needs and align with business objectives Contribute to ongoing engineering projects and support team progress Location This position is based in Dublin.

Join Intercom as a Staff Product Engineer - Growth and play a pivotal role in enhancing our product offerings. In this position, you'll leverage your engineering expertise to drive growth and innovation. Collaborate with cross-functional teams to develop and implement strategies that enhance user experience and engagement.

Intercom is a leading AI-driven Customer Service platform dedicated to empowering businesses with exceptional customer engagement capabilities.Our flagship AI agent, Fin, stands out as the most advanced customer service AI in the marketplace, enabling businesses to provide continuous, flawless customer service and significantly enhance their customer experiences. Fin integrates seamlessly with our Helpdesk, forming the comprehensive Intercom Customer Service Suite, tailored for complex inquiries that necessitate human intervention.Since our inception in 2011, we have gained the trust of nearly 30,000 businesses worldwide, setting a new benchmark in customer service. Our core values drive us to innovate relentlessly, operate swiftly, and continuously deliver exceptional value to our clients.What’s the Opportunity?In response to the increasing demand over the past six months, we are seeking skilled software engineers to work closely with our most strategic clients, bridging the gap between their business objectives and our AI agent, Fin.As a Staff Forward Deployed Engineer, you will engage directly with these clients alongside our Go-To-Market team, gaining insights into their use cases and designing, building, and implementing tailored solutions. You will operate autonomously, expected to set strategic direction, own project outcomes, and confidently represent Intercom in high-stakes client interactions. Your role will be crucial in transforming how our customers scale their support operations, yielding significant business results.Moreover, you will lead through example, acting as a force multiplier who influences product direction with field insights and helps shape the concept of Forward Deployed Engineering at Intercom.If you seek a role that offers ownership, creativity, and the opportunity to guide R&D and Go-To-Market teams in a fast-paced environment, this position is for you.What Will I Be Doing?Drive the adoption of Fin by enabling prospects to harness the power of Intercom’s AI capabilities for automated and scalable support operations.Engage deeply with strategic customers to identify their business challenges and technical needs, acting proactively to guide them towards outstanding results with Fin.Collaborate hands-on with customers' technical teams as a confident subject-matter expert, coding alongside them to drive projects to successful completion.Work closely with Sales, Success, and Product teams, actively influencing their work to ensure a seamless customer experience.

Join Toast, Inc. as a Staff Software Engineer in the FinTech sector, where you will be instrumental in building innovative financial solutions to empower businesses. We are looking for a skilled engineer with a passion for technology and a commitment to excellence. You'll collaborate with cross-functional teams to deliver robust software solutions that enhance our financial services platform.

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.