Federal Platform Engineer

Horizon3.ai

. Lead deployment and operation of product infrastructure across multiple federal environments, from FedRAMP through classified workloads .

Posted 10/23/2026full-timeRemote • United StatesMid-LevelSenior💰 $199,750 - $230,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in deploying and operating cloud-native application platforms in AWS, with a strong focus on Infrastructure as Code using Terraform and Crossplane. Proficient in CI/CD methodologies, technical documentation, and leveraging AI-enabled development tools.

Highest-signal resume keywords

AWS Infrastructure ManagementInfrastructure As Code Using TerraformCI/CD Implementation With GitLabDevOps Practices And AutomationSecurity Clearance And Compliance Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GoLangPythonTerraformCrossplaneDockerKubernetesAnsibleGitLab CI/CDSSO TechnologiesSecret Management Tools

Soft Skills

Analytical Problem-SolvingTechnical DocumentationCommunication Skills

Tools & Technologies

AWSJiraConfluenceDatadogOpenSearchArgo EventsArgo WorkflowsArgo CDClaude CodeShell Scripting

Certifications & Qualifications

Bachelor's Degree In Computer ScienceTop Secret Security Clearance

Industry Keywords

FedRAMPNIST 800-53CS SRGAuthority To Operate (ATO)Cloud-Native Applications

Tech Stack

Tools & technologies

AnsibleAWSCloudDockerEC2KubernetesPostgresPythonShell ScriptingTerraformVault

About the role

Key responsibilities & impact

Lead deployment and operation of product infrastructure across multiple federal environments, from FedRAMP through classified workloads
Build, maintain, and improve the platform running in AWS
Implement scalable, secure, and resilient cloud-native application platforms across deployed AWS regions
Identify, design, and deploy improvements to development and deployment processes
Design and implement internal platform tooling to collect telemetry about platform effectiveness
Help establish documentation practices using Confluence and documentation as code
Participate in project management and work allocation using Jira and Agile concepts
Create reusable Terraform modules and Crossplane compositions
Promote automation for infrastructure as code, platform operations, and CI/CD methodologies
Evaluate technologies and automation patterns for application hosting and infrastructure provisioning, and define recommended work

Requirements

What you’ll need

5+ years of experience in DevOps, Platform Engineering, or related roles
Strong understanding and experience with solution design and flow
Excellent analytical and problem-solving ability
Strong technical documentation and communication skills
Experience using Claude Code or other AI-enabled development tooling
Experience with GitLab CI/CD
Experience with Argo Events, Argo Workflows, and Argo CD
Experience with SSO technologies including OIDC, SAML, Okta, and social sign-ins
Experience with Infrastructure as Code using Terraform and Crossplane
Experience with secret management tools including HashiCorp Vault, AWS Secret Manager, and External Secrets Operator
Experience with Ansible and shell scripting
GoLang required; Python is a plus
Experience with Docker and Kubernetes, including RKE2, K3S, or EKS
Experience with Datadog and OpenSearch for logging and metrics
Experience with AWS core services including EC2, Lambda, EKS, S3, EBS, Aurora RDS/Postgres, VPC, VPCE, Route 53, SQS, EventBus, IAM, KMS, CloudTrail, Cognito, Organizations, and SSO
Bachelor's degree 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, CS SRG, NIST 800-53, or the Authority to Operate (ATO) process is a nice-to-have

Benefits

Comp & perks

Competitive salary and benefits package
Performance bonuses
Equity options
Remote work and flexible work environment
Growth and career advancement opportunities
Collaborative, innovation-driven, inclusive, and diverse culture
Up to 5% travel; job-related travel expenses reviewed and approved by manager