Note: The job is a remote job and is open to candidates in USA. Horizon3.ai is a remote cybersecurity company focused on helping organizations identify, remediate, and verify exploitable attack vectors. The Federal Platform Engineer will lead the deployment and operation of product infrastructure across federal environments, building and improving secure AWS-based platforms, Kubernetes systems, infrastructure-as-code, automation, and CI/CD capabilities.

Responsibilities

• 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
• Help create an effective documentation culture within the Engineering Organization (Confluence, Documentation as code)
• Participate in effective project management and work allocation (Jira, Agile Concepts)
• Create Terraform modules and Crossplane compositions that are easily consumed by all of engineering
• Be a positive example of automation for infrastructure-as-code, platform operations, and overall CI/CD methodologies
• Evaluate new technologies and patterns for automation, application hosting, and improving infrastructure provisioning. Recommend and define the work needed

Skills

• 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
• Creative, self-motivated, pragmatic, disciplined, detail and results oriented
• Excellent analytical/problem solving ability
• Strong understanding and experience with solution design and flow
• Strong technical documentation and communication
• Experience using Claude Code or other AI-enabled development tooling
• Gitlab CI/CD
• Argo Events, Argo Workflows, Argo CD
• SSO (OIDC, SAML, Okta, Social Sign-ins)
• Infrastructure as Code (Terraform, Crossplane)
• Secret Management (HashiCorp Vault, AWS Secret Manager, External Secrets Operator)
• Configuration Management (Ansible)
• Shell Scripting
• Programming Languages (GoLang required, Python a plus)
• Container Engines (Docker)
• Kubernetes (RKE2, K3S, EKS)
• Logging and Metrics (Datadog, OpenSearch)
• AWS Core Services
• • Compute (EC2, Lambda, EKS)
• • Storage (S3, EBS)
• • Database (AuroraRDS - Postgres)
• • Networking (VPC, VPCe, RT53)
• • Event-Driven Architecture (SQS, EventBus)
• • Security (IAM Roles and Policies, KMS, Cloudtrail)
• • User Management (Cognito, Organizations, SSO)
• Bachelors in Computer Science or STEM or equivalent experience
• 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
• MS in Computer Science a plus

Benefits

• Health, vision, and dental insurance for you and your family
• Flexible vacation policy
• Generous parental leave
• All full-time roles are eligible for an equity package in the form of stock options
• Numerous career advancement opportunities
• Remote and hybrid work models depending on role and location

Company Overview