Senior Infrastructure Engineer

2025-10-13
SentiLink
About us: SentiLink provides innovative identity and risk solutions, empowering institutions and individuals to transact confidently with one another. By building the future of identity verification in the United States and reinventing the currently clunky, ineffective, and expensive process, we believe strongly that the future will be 10x better. We’ve had tremendous traction and are growing extremely quickly. Already our real-time APIs have helped verify hundreds of millions of identities, beginning with financial services. In 2021, we raised a $70M Series B round, led by Craft Ventures to rapidly scale our best in class products. We’ve earned coverage and awards from TechCrunch, CNBC, Bloomberg, Forbes, Business Insider, PYMNTS, American Banker, LendIt, and have been named to the Forbes Fintech 50 list consecutively since 2023. Last but not least, we’ve even been a part of history -- we were the first company to go live with the eCBSV and testified before the United States House of Representatives.About the Opportunity:As a Senior Infrastructure Engineer, you’ll be responsible for the development of standards, processes, tooling, and systems that serve as the foundation of the SentiLink platform. We’re looking for someone driven towards improving the reliability and efficiency of our systems, services, and engineering teams. You will work closely with the Engineering, Data Science, and Analytics teams to understand their needs and pain points, and to build systems and tools to improve their velocity, reliability, efficiency, and visibility. The optimal candidate will have a bias towards secure solutions that follow engineering best practice.Technologies: Python, Aurora PostgreSQL, AWS infrastructure (EC2, S3, RDS, Redshift, etc.), Kubernetes, Docker, Terraform, CICD, observability tooling (e.g., Datadog, Prometheus, SumoLogic), OpenSearch, and LinuxThis is a remote, US-based role.Responsibilities:Construct infrastructure as code. Develop and enforce best practice across configurations while preventing drift between Terraform configurations and infrastructure deploymentsDesign infrastructure that enables Engineering, Data Science, and Analytics to rapidly perform software development and data processingImplement monitoring tools, dashboards, and functionalities for a variety of services and operations across SentiLink’s infrastructure and software platformDesign, implement, and maintain scalable DevOps and CI/CD pipelines to automate application deployment, infrastructure provisioning, and system monitoring, ensuring high availability and efficient development workflowsFormulate strategies and execute solutions for cloud identity and access managementCollaborate with the SRE and security teams to maintain secure, up-to-date infrastructure in our cloud environmentSupervise and monitor platform costs, working cross-functionally to keep costs in line with corporate financial expectationsOversee, develop, and operate Kubernetes and service mesh infrastructure, ensuring smooth performance and reliabilityInvestigate operational alerts, pinpoint root causes, and compile comprehensive root cause analysis reports. Pursue action items relentlessly until they are thoroughly completedConduct in-depth examinations of database operational issues, actively developing and improving database architecture, schema, and configuration for enhanced performance and reliabilityRequirements:4+ years of relevant work experienceFamiliarity with AWS cloud infrastructure, managing infrastructure as code, and cloud identity and access managementExperience developing cloud networking infrastructure, including DNS, CDNs, load balancers, VPCs, subnets, and security groupsExperience with scaling and migrating production systems with little to no downtimeExperience managing observability platforms, building monitoring dashboards, and configuring high quality, actionable alertingExperience working on software delivery pipelines (CI/CD) and DevOps tooling a plusBackground in building secure container orchestration using Docker and Kubernetes is a plusExperience operating enterprise-size databases. Postgres, Aurora, Redshift, and OpenSearch experience is a plusExperience with Python or Golang is a plusHands on with development and testing of distributed systems at scale is a big plusCandidates must be legally authorized to work in the United States and must live in the United StatesSalary Range:$145,000/year - $200,000/year + equity + benefits Perks:Employer paid group health insurance for you and your dependents401(k) plan with employer match (or equivalent for non US-based roles)Flexible paid time offRegular company-wide in-person eventsHome office stipend, and more!Corporate Values:Follow ThroughDeep UnderstandingWhatever It TakesDo Something SmartPlease mention the word **ENCOURAGE** and tag RMTQyLjEzMi4yMTcuMjMw when applying to show you read the job post completely (#RMTQyLjEzMi4yMTcuMjMw). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.