Senior Platform Engineer

Security Journey is hiring a Senior Platform Engineer to help scale and operate the platform behind secure coding training products used by engineering organizations worldwide. This is a hands-on role for an engineer who enjoys owning production systems, improving developer experience, and bringing order to fast-moving environments.

Location: Remote (United States)

Responsibilities

• Own day-to-day platform operations across AWS infrastructure and Kubernetes environments.
• Improve reliability, scalability, and performance of systems supporting our learning platform.
• Operate and evolve multiple EKS clusters across production and non-production environments.
• Build internal self-service tooling and engineering guardrails that help developers ship safely and independently.
• Improve CI/CD workflows using GitHub Actions and GitOps practices with ArgoCD.
• Drive observability improvements using DataDog, including dashboards, alerting, and incident response readiness.
• Partner with software engineers, QA, product, and security teams to remove friction and increase delivery velocity.
• Lead infrastructure changes end-to-end using Terraform and modern IaC practices.
• Reduce operational toil through automation, standardization, and thoughtful platform design.
• Participate in an on-call rotation focused on ownership, reliability, and continuous improvement.
• Mentor teammates through collaboration, code review, and operational best practices.

Requirements

• 5+ years of experience in Platform Engineering, DevOps, SRE, or related infrastructure roles.
• Strong hands-on experience operating production workloads in AWS.
• Strong Kubernetes experience (EKS preferred).
• Experience managing infrastructure with Terraform or equivalent IaC tooling.
• Experience building or owning CI/CD systems.
• Strong troubleshooting skills across networking, containers, distributed systems, and production incidents.
• Ability to balance immediate operational needs with long-term engineering improvements.
• Strong written communication and comfort working in a remote-first environment.
• U.S. citizenship and U.S.-based residency.