Note: The job is a remote job and is open to candidates in USA. Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. They are seeking a Federal Platform Engineer to lead the deployment and operation of their product infrastructure in multiple federal environments, focusing on building and maintaining a scalable and secure platform in AWS.
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
Benefits
- Health, vision & dental insurance for you and your family
- A flexible vacation policy
- Generous parental leave
- All full-time roles are eligible for an equity package in the form of stock options
- Hybrid & Remote Work: We embrace a mix of remote and hybrid work models depending on role and location
- Including our Chicago office, where some roles require regular in-office presence
Company Overview