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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Federal Platform Engineer - **Company:** HORIZON 3, LLC - **Location:** Chicago, IL, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Confluence, JIRA, Software as a Service, Cloud Computing, Configuration Management, Databases, Continuous Integration, DevOps, Identity and Access Management, Python (Programming Language), PostgreSQL, Octopus Deploy, OpenID, Ansible, Security Assertion Markup Language (SAML), Shell Script, Datadog, Data Logging, Okta, Amazon Virtual Private Cloud (VPC), Event Driven Architecture, Gitlab-ci, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Hashicorp, Amazon Simple Queue Service (SQS), Terraform, Docker, User Administration, Golang, Programming Languages - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/federal-platform-engineer-horizon3-ai-8797922 ## About the Role * 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 Tools * 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) Cloud Technologies: 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) Education: * Bachelors in Computer Science or STEM or equivalent experience * MS in Computer Science a plus Citizenship/Clearance * US Citizen Required * Possess or ability to gain and maintain Top Secret security clearance required Nice to Haves Experience in FedRAMP, CC SRG, NIST 800-53, or Authority to Operate (ATO) process. ## Description We are looking for a Federal Platform Engineer to help lead the deployment and operation of our product infrastructure in multiple federal environments ranging from FedRAMP through Classified workloads. Your goal will be to help build, maintain and improve our platform running in AWS. Your expertise in cloud infrastructure, kubernetes, cloud infrastructure, and tools like Terraform, Ansible, and GitLab CI will be essential in creating scalable and secure systems that enable innovative experimentation. Join us in shaping the future of our platform, driving growth and empowering 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. * 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. 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