Sr DevOps Engineer

Nium is the global infrastructure company powering real-time cross-border payments. Founded to deliver the payments infrastructure of tomorrow, today, we are building a programmable, borderless, and compliant money-movement layer that powers transactions between people, businesses, and intelligent systems — enabling banks, fintechs, payroll providers, travel platforms, marketplaces, and other global enterprises to move money instantly, anywhere in the world. Co-headquartered in San Francisco and Singapore, with offices in 14 markets and team members across 20+ countries, we take pride in a culture anchored in Keeping It Simple, Making It Better, and Winning Together. 2025 was the strongest year in our 10-year history, with record revenue, record transaction volumes, and EBITDA profitability — and we are now entering one of the most dynamic chapters in our journey. We believe the best work happens face-to-face, and we operate a hybrid model with three in-office days per week to strengthen collaboration, alignment, and innovation. We move over $50B annually across a network that spans 190+ countries, 100 currencies, and 100 real-time corridors. We power fast payouts to accounts, wallets, and cards; enable local collections in 35 markets; and support card issuance in 34 countries — all backed by licenses across 40+ markets. With over $300M raised to date, Nium offers ambitious builders the opportunity to shape the future of global money movement — at scale. We are seeking an experienced and highly motivated Senior DevOps Engineer to join our DevOps team at Nium. The ideal candidate is a proactive problem-solver with a strong passion for continuous learning and modern DevOps engineering practices. In this role, you will lead the design, implementation, and optimization of our cloud infrastructure, with a strong emphasis on automation, scalability, security, and reliability. This position offers the opportunity to contribute to a high-performance, cloud-native environment driven by DevOps best practices, operational excellence, and AIOps-enabled observability and intelligence. What we offer at Nium We Value Performance: Through competitive salaries, performance bonuses, sales commissions, equity for specific roles and recognition programs, we ensure that all our employees are well rewarded and incentivized for their hard work. We Care for Our Employees: The wellness of Nium’ers is our #1 priority. We offer medical coverage along with 24/7 employee assistance program, generous vacation programs including our year-end shut down. We also provide a flexible working hybrid working environment (3 days per week in the office). We Upskill Ourselves: We are curious, and always want to learn more with a focus on upskilling ourselves. We provide role-specific training, internal workshops, and a learning stipend. We Celebrate Together: We recognize that work is also about creating great relationships with each other. We celebrate together with company-wide social events, team bonding activities, happy hours, team offsites, and much more! We Thrive with Diversity: Nium is truly a global company, with more than 33 nationalities, based in 18+ countries and more than 10 office locations. As an equal opportunity employer, we are committed to providing a safe and welcoming environment for everyone. Key Responsibilities Design, implement, and manage a robust, scalable, and secure cloud infrastructure on AWS Cloud . Implement and manage CI,CD pipelines using JenkinsCI and ArgoCD . Develop and maintain Infrastructure as Code (IaC) using Terraform to provision and manage cloud resources. Design and implement automation pipelines to continuously improve processes. Create and maintain clear documentation, such as SOPs,user guides , and maintenance activity logs , to ensure smooth operations. Manage and scale containerized applications using AWS EKS and AWSECS clusters . Apply GitOps principles to manage infrastructure and applications, with all changes version-controlled in Git. Embrace shift-left practices to integrate security and quality throughout the development lifecycle. Harden and secure operating systems, containers, and cloud infrastructure following a secure-by-design approach and compliant to CISbenchmarks . Implement and enforce defence-in-depth security measures, including network security, identity and access management, and vulnerability scanning. Ensure regulatory and compliance requirements are met, including ISO 27001, PCI DSS , and others. Manage and monitor database instances, specifically AWSRDS, RedShift, MongoDB etc . Build and operate observability pipelines using the GrafanaLGTM stack to collect, visualize, and analyse logs, metrics, and traces across cloud-native environments. Implement OpenTelemetry ( OTEL )–based instrumentation standards across services and infrastructure to enable unified metrics, logs, and distributed tracing. Utilize Cloudflare for content delivery, security, and performance optimization. Create and manage machine images using Packer for consistent and secure environments. Work with DevSecOps methodologies, embedding security controls and practices into the CI/CD pipeline. Integrate AI-assisted tools into CI/CD pipelines to enhance build optimization, automated testing, code quality analysis, and deployment safety. Establish and maintain automated PRvalidationpipelines that integrate AI - drivenchecks for infrastructure-as-code (Terraform), Kubernetes manifests, and CI/CD configurations. Leverage AIOps tools for intelligent monitoring, alerting, and incident management. Ensure the smooth operation of existing systems by managing routine maintenance, upgrades, installations, backups, restores , and adhering to Disaster Recovery (DR) plans. Develop and maintain automation scripts using various scripting languages. Manage and optimize complex Jenkins pipelines for various application stacks. Provide expertise in Git for version control and collaborative development. Required Skills and Technologies Min 5-7 Yrs experience in DevOps role AWS Cloud : Hands on experience and deep understanding and hands-on experience with core AWS services. Compute : Hands on experience on Amazon EC2, AWS Lambda, Amazon ECS, Amazon EKS, AL2, AL2023. Storage : Amazon S3, EBS, EFS, KMS. Networking: Amazon VPC, ELB, Route 53, Cloudflare. IaC : Terraform, CloudFormation. CI/CD : Jenkins, ArgoCD. Containerization & Orchestration : Docker, Kubernetes, ECS, Alpine, Java & NodeJS, AWS ECR Images Security : OS hardening, Container hardening, Security best practices, Defence in Depth. Automation : Packer, Scripting languages (Python, Bash, Groovy). Observability : Grafana LGTM Stack, Fluentbit, AWS Athena