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Senior Platform Engineer

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Job Description - Senior Platform Engineer


Senior Platform Engineer (AWS / Kubernetes)
Remote (United States)
Security Journey is hiring a Senior Platform Engineer to help scale and operate the platform behind our 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. You’ll help run the daily platform operation while driving long-term improvements in reliability, standardization, automation, and cost efficiency.  We are a remote-first company with an office in Apex, NC for optional in-person collaboration.

What You’ll Do
  • 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.

Our Environment
We run a modern cloud-native stack with room to improve and meaningful ownership opportunities.
Infrastructure & Platform
  • AWS
  • Kubernetes / EKS
  • Terraform
  • ArgoCD
  • GitHub Actions
  • DataDog
Data & Messaging
  • PostgreSQL
  • Redis
  • Kafka
Languages & App Stack
  • Go
  • Python
  • Ruby
  • React
What We’re Looking For
  • 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.
Nice to Have
  • 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.

What Success Looks Like in Your First Year
  • Become a trusted owner of day-to-day platform operations.
  • Reduce interruptions through automation and better platform workflows.
  • Improve deployment consistency and developer self-service.
  • Strengthen reliability, alerting, and incident readiness.
  • Help modernize legacy areas while keeping delivery fast and pragmatic.

About Security Journey
Security Journey helps organizations build secure software through practical, developer-focused application security training.  Our platform includes foundational through advanced secure coding content across 11 languages and 7+ technology areas, with hands-on exercises, videos, and interactive sandbox environments that help teams build lasting security habits.
Original job Senior Platform Engineer posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
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About the Company

Hackedu Dba Security Journey

Security Journey trains developers to write secure code by having them exploit and fix vulnerabilities in a web-based sandbox.

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