Federal Platform Engineer

Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessmen...

We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and false positives, resulting in alert fatigue, blind spots, "checkbox” sec...

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 infrast...

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.
Competitive Compensation: We offer a highly competitive salary and benefits package.
Growth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities.
Innovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking.
Flexible Work Environment: Enjoy the convenience and work-life balance that comes with remote work.
Inclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive.
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.
 
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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)
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
MS in Computer Science a plus
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.
We are a fully remote company, and this job may require up to 5% of travel to be successful. Job-related travel expenses are reviewed and must be approved by your manager.

Citizen