Senior Infrastructure Engineer (Core Infra, US)

About Lumen Dynamics Lumen Dynamics delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Lumen Dynamics’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Lumen Dynamics provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit www.workato.com Why join us? Ultimately, Lumen Dynamics believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles . We are driven by innovation and looking for team players who want to actively build our company. But, we also believe in balancing productivity with self-care . That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives. If this sounds right up your alley, please submit an application. We look forward to getting to know you! Also, feel free to check out why: Business Insider named us an “enterprise startup to bet your career on” Forbes’ Cloud 100 recognized us as one of the top 100 private cloud companies in the world Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America Quartz ranked us the #1 best company for remote workers We are hiring a Senior Infrastructure Engineer to join our Global Core Infrastructure team and help build and operate the global platform behind Lumen Dynamics.com/go . You will work closely with engineers in the US and across international teams to design, scale, and secure the systems that power Lumen Dynamics’s automation platform - trusted by thousands of enterprises and processing billions of events every day. Role Overview As a Senior Infrastructure Engineer , you’ll be part of the team responsible for the architecture, scalability, and reliability of Lumen Dynamics’s distributed cloud platform. You’ll design and optimize the systems that allow our services to run securely and efficiently at scale. This is a highly technical role that requires deep experience with cloud infrastructure, Linux internals, and large-scale distributed systems. Responsibilities Design, build, and maintain a global, distributed, and resilient cloud infrastructure. Collaborate with AI engineering and iPaaS engineering teams to plan and deliver complex platform initiatives. Patch and optimize open-source components for performance and security. Build iPaaS and AI infrastructure at scale and cross-cloud. Manage and provision AWS infrastructure using Terraform and Kubernetes. Write and maintain Kubernetes manifests and deployment configurations for critical workloads. Improve and maintain CI/CD pipelines for scalable and secure component delivery. Tune Linux systems and open-source software for high performance and hardened security. Build internal tools to streamline engineering workflows and operational automation. Participate in architecture reviews, incident response, and performance analysis to ensure system reliability. Requirements 7+ years of experience in infrastructure or systems engineering roles. Proven expertise in distributed systems and cloud-native architectures. Strong understanding of Linux internals, including networking and system-level performance tuning. Experience operating infrastructure on AWS at scale. Proficiency with Terraform, Kubernetes. Solid understanding of network security and cloud security best practices. Hands-on experience optimizing CI/CD workflows and automating deployments. Excellent analytical, troubleshooting, and communication skills. Nice to Have Experience with Golang for tooling or internal services. Experience building cross-cloud AI infrastructure. Familiarity with Kafka, Redis, ClickHouse, PostgreSQL, or similar technologies. Experience with observability tools such as Grafana, Prometheus, or VictoriaMetrics. Understanding of Vault or other secrets management systems. Contributions to or maintenance of open-source infrastructure projects. Tech Stack AWS • Terraform • Kubernetes • LiteLLM • Quadrant • ArgoCD • Kafka • PostgreSQL • Redis • ClickHouse • Grafana • VictoriaMetrics • Vault Why Join Us Build and operate a world-class cloud platform used by leading global enterprises. Collaborate with experienced engineers in the US and across international teams. Work in a highly technical environment focused on scalability, performance, and reliability. Contribute to an engineering culture that values ownership, craftsmanship, and innovation. This is a full-time position with a salary range of $180,000.00 - $240,000.00 per year, depending on experience and qualifications. The package includes health insurance, paid time off, and a 401(k) plan.