Security Engineer

LemFi (Series B) is building the go-to financial app for the Global South.Moving to a new country shouldn’t mean starting from zero. That's why our team of 400+ spanning 20+ countries is building a financial ecosystem that helps immigrants stay connected to home, build stability, and create wealth regardless of where they are from or where they live.What began as fast, affordable remittances is now evolving into a complete platform for multi-currency accounts, payments, credit, and long-term financial growth.With over 2 million users across the globe, we process over $1.5B in monthly transactions to 30+ countries, proving that borders shouldn't limit financial opportunity.The RoleWe’re looking for a Senior Security Engineer to strengthen LemFi’s cloud security posture, enhance visibility across our systems, and ensure compliance with evolving EU and Irish regulatory requirements. This is a hands-on role at the intersection of engineering, security, and compliance - working across AWS, core security tooling, monitoring, and audit readiness.You will help translate regulatory expectations into practical, measurable security improvements while partnering closely with Engineering, Cloud, Risk, and Compliance teams. Your work will directly protect customer data, reduce incidents, and deepen trust across our financial ecosystemHow You’ll ContributeEnhance Cloud Security: Manage and improve AWS security, including IAM, network segmentation, key management, and logging.Strengthen Detection & Telemetry: Configure and maintain SIEM, vulnerability scanners, IDS/IPS, and endpoint protection tooling.Improve Monitoring: Build alerting for critical systems and embed security into CI/CD workflows.Ensure Compliance: Harden infrastructure and support adherence to ISO 27001, PCI DSS, DORA, and other relevant standards.Support Audit Readiness: Prepare regulatory reports, coordinate audit evidence, and assist with inspections.Translate Requirements: Convert regulatory and policy expectations into actionable controls and maintain security documentation.Lead Incident Response: Operate and tune SIEM, investigate alerts, and run incident triage and post-incident reviews.Maintain Playbooks: Improve vulnerability, incident, and threat intelligence procedures; strengthen first-line detection.Align with Stakeholders: Work closely with Risk, Compliance, and IT to provide metrics and support executive reporting.Guide Third-Party Reviews: Coordinate cross-entity policy alignment and advise on vendor compliance.Who You AreImpact-Oriented: You focus on reducing incidents, improving detection, and strengthening regulatory trust.Security-Minded: You think holistically about infrastructure, people, processes, and controls.Collaborative: You partner naturally with engineering, risk, and compliance across a distributed team.Accountable: You take ownership of our security posture and act quickly and proactively.Detail-Focused: You document clearly, communicate well, and handle audits with precision.Continuous Improver: You always look for ways to automate, enhance visibility, and streamline reporting.What You’ll Bring5+ years in Security Engineering, Cloud Security, or Infrastructure Security roles in AWS environments.Deep understanding of AWS security services including IAM, KMS, CloudHSM, Security Hub, and CloudTrail.Hands-on experience with SIEM platforms and integrating cloud or endpoint telemetry.Strong knowledge of vulnerability management, incident response, and security monitoring.Familiarity with compliance frameworks such as DORA, PCI DSS, ISO 27001, NIST CSF.Experience preparing security reports and audit evidence for regulators or auditors.Skilled in Infrastructure-as-Code (Terraform) and integrating security into CI/CD.Competent in scripting and automation (Python, Bash, etc.) for detection, response, and reporting.Strong ownership and ability to work independently across engineering and compliance teams.Excellent communication skills for both technical and non-technical audiences.Why Join LemFi?Love shouldn’t be expensive, yet those working hardest for their families often face predatory fees and banking exclusion. We're changing this.At LemFi, you won’t be just a cog in a machine. Whether designing products, scaling operations, or telling our story, you’ll tackle complex challenges with real, immediate impact. Your work goes beyond metrics - it puts money back in families’ pockets and offers access to the previously excluded. Join us to make a meaningful difference, where high performance is a lifeline for millions.Our Values: How We WinSharp Customer Focus 🎯 We cut through the noise and prioritize ruthlessly based on what drives real value.Lead with Data 📊 We trade instinct for insight. We test, analyze, and own the outcomes.Ownership 🤝 We take responsibility for global outcomes, not just local wins.Grit 💪 We navigate ambiguity with resilience and keep pushing until the customer feels the impact.You can connect with us on LinkedIn and Instagram and if you haven't already, download the app on the App Store or Google Play.Diversity & Inclusion at LemFiTo build the best financial tools for the global diaspora, we need a team that reflects the world we serve. We welcome builders from all walks of life who embody our values over a perfect resume.Don’t meet every single requirement in the job ad? Research shows that candidates from underrepresented backgrounds often hesitate to apply if they don't check every box. If you are excited about this role and our mission, we encourage you to apply anyway. You might be just the right person for this, or other roles.