Key skills
AWSKubernetesEKSTerraformCI/CD systemsGitHub ActionsGitOpsArgoCDDataDogPlatform EngineeringDevOpsSREContainersDistributed systemsPostgreSQLRedisKafkaGoPythonDatadogGitHubCI/CDCommunicationCollaboration
About this role
Security Journey is hiring a Senior Platform Engineer to help scale and operate the platform behind their secure coding training products used by engineering organizations worldwide. This hands-on role involves owning production systems, improving developer experience, and driving long-term improvements in reliability and automation.
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
- Experience with GitOps workflows (ArgoCD preferred)
- Experience with Datadog or modern observability platforms
- Experience supporting SOC 2 or regulated environments
- Experience with Kafka, PostgreSQL, or Redis in production
- Programming experience in Go or Python
- Experience building internal developer platforms or self-service tooling