Federal Platform Engineer

Horizon3

United States Posted October 28, 2026

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Remote Full-time Senior
Salary Range

$199,750 - $230,000

Job Description

Join our team as a Federal Platform Engineer, where you will lead the deployment and operation of our product infrastructure in various federal environments. Your expertise in cloud infrastructure, Kubernetes, and tools like Terraform, Ansible, and GitLab CI will be essential in creating scalable and secure systems. You will have the opportunity to shape the future of our platform, drive growth, and empower developers with a flexible and efficient environment.

  • Implement highly scalable, secure, resilient cloud-native application platforms that host core company applications, toolings, and other services vital to enabling our product to perform in all AWS regions where we are deployed.
  • Identify, design, and deploy improvements in development and deployment processes so engineers can begin deploying anytime with confidence.
  • Design and implement tooling for the internal platform to collect telemetry data used to gauge its effectiveness in supporting H3's engineers.
  • Strong technical documentation and communication
  • Excellent analytical/problem solving ability
  • Creative, self-motivated, pragmatic, disciplined, detail and results oriented
  • 5+ years of experience in DevOps, Platform engineering, or related roles
  • Ability to manage concurrent initiatives and use effective judgment in prioritization and time management
  • Strong understanding and experience with solution design and flow
  • Programming Languages (GoLang required, Python a plus)
  • Gitlab CI/CD
  • Argo Events, Argo Workflows, Argo CD
  • SSO (OIDC, SAML, Okta, Social Sign-ins)
  • Kubernetes (RKE2, K3S, EKS)
  • Experience using Claude Code or other AI-enabled development tooling
  • Infrastructure as Code (Terraform, Crossplane)
  • Logging and Metrics (Datadog, OpenSearch)
  • Shell Scripting
  • Secret Management (HashiCorp Vault, AWS Secret Manager, External Secrets Operator)
  • Configuration Management (Ansible)
  • Container Engines (Docker)
  • Storage (S3, EBS)
  • Education:
  • Event-Driven Architecture (SQS, EventBus)
  • Database (AuroraRDS - Postgres)
  • User Management (Cognito, Organizations, SSO)
  • Security (IAM Roles and Policies, KMS, Cloudtrail)
  • Bachelors in Computer Science or STEM or equivalent experience
  • Cloud Technologies:
  • Networking (VPC, VPCe, RT53)
  • Compute (EC2, Lambda, EKS)
  • MS in Computer Science a plus
  • AWS Core Services
  • US Citizen Required
  • Possess or ability to gain and maintain Top Secret security clearance required
  • Experience in FedRAMP, CC SRG, NIST 800-53, or Authority to Operate (ATO) process
Required Skills
Kubernetes Terraform Ansible GitLab CI cloud-native Amazon Web Services communication problem solving DevOps time management Go Python CI/CD Argo Workflows Argo CD SSO
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