Expression

Backend Engineer

• Shape the direction of the NTIA Federal Spectrum Data Systems platform within the U.S. Department of Commerce
• Own the FSDS platform roadmap across component systems, aligning priorities with NTIA goals, application needs, and security requirements
• Define target-state architecture and integration patterns connecting FSDS applications, data services, and external federal systems
• Lead architecture as the platform matures and expands to new environments
• Weigh tradeoffs across cost, security, operability, and federal-environment constraints
• Lead technical planning for new capabilities, migrations, and environment expansions, including scope, dependencies, sequencing, and estimates
• Serve as technical lead with NTIA and partner government teams, presenting architecture options, tradeoffs, and recommendations
• Coordinate with application, data, security, DevOps, and operations teams
• Document architecture decisions and design rationale
• Define Azure platform architecture for unclassified and classified FSDS environments
• Set direction for networking, identity, secrets management, container platforms, and configuration management
• Establish platform standards for consistency, scalability, security, and cost
• Review Infrastructure as Code and Kubernetes designs with DevOps engineers
• Guide delivery pipelines, deployment patterns, observability, resilience, recovery, upgrades, capacity planning, and production transitions
• Provide architecture input to RMF and ATO activities and guidance during major incidents
• Maintain architecture diagrams, design documents, and platform lifecycle plans
• Mentor engineers and communicate technical tradeoffs to stakeholders

Explore Senior Platform Architect at Expression. Review requirements and application details.

Senior Platform Architect

DevOps Engineer

• Design, deploy, and maintain Azure infrastructure supporting unclassified and classified spectrum management systems
• Develop reusable Infrastructure as Code using Terraform, Bicep, ARM templates, or similar tools
• Configure and maintain container platforms using Kubernetes, Docker, and Helm
• Implement secure networking, identity and access controls, secrets management, and environment configuration
• Improve infrastructure consistency, scalability, reliability, and cost efficiency across development, test, and production environments
• Build and maintain Azure DevOps pipelines automating application builds, testing, security scanning, and deployments
• Integrate code, dependency, container image, and infrastructure security checks into delivery workflows
• Establish repeatable release processes, approval controls, and artifact management
• Support deployments within restricted environments and address connectivity, tooling, and software dependency constraints
• Partner with development teams to resolve deployment issues, improve delivery speed and quality, and promote consistent DevOps practices
• Implement monitoring, centralized logging, and actionable alerts for infrastructure, containers, pipelines, and applications
• Troubleshoot production issues, support incident response, and address root causes
• Develop and validate backup, recovery, and rollback procedures
• Maintain architecture diagrams, deployment documentation, and operational runbooks
• Brief government stakeholders on infrastructure status, risks, and recommendations
• Implement technical controls aligned with Department of Commerce, NTIA, and federal security requirements
• Apply secure configuration baselines and STIGs; identify and remediate vulnerabilities
• Support RMF, ATO, and continuous monitoring activities through technical documentation, configuration evidence, and remediation tracking
• Help newer engineers grow their skills and review and guide junior engineers’ work

Explore Senior DevOps Engineer at Expression. Review requirements and application details.

Senior DevOps Engineer

• Implement and maintain secure Azure cloud infrastructure and CI/CD pipelines supporting applications, data services, and analytics
• Deploy, configure, and maintain Azure resources supporting unclassified and classified spectrum management systems
• Create and update Infrastructure as Code using Terraform, Bicep, ARM templates, or established comparable tools
• Build and maintain Docker images and support container deployments using Kubernetes and Helm
• Configure networking, access controls, and environment settings with senior engineers and security personnel
• Develop and maintain Azure DevOps pipelines for automated builds, testing, and deployments
• Integrate and maintain code, dependency, container image, and infrastructure security checks
• Maintain deployment scripts, pipeline templates, artifacts, and release configurations; support release approvals
• Support deployments within restricted environments using approved dependency and artifact-handling procedures
• Troubleshoot pipeline failures, deployment issues, and configuration differences across development, test, and production environments
• Implement assigned security controls and apply approved configuration baselines and STIGs
• Remediate identified vulnerabilities with guidance from security personnel
• Support RMF, ATO, and continuous monitoring activities by collecting technical evidence and tracking remediation actions
• Maintain secure handling of credentials, secrets, and deployment artifacts
• Configure and maintain monitoring, centralized logging, and alerts
• Investigate infrastructure and application issues, review logs, and support incident response and root cause analysis
• Execute and help test backup, recovery, and rollback procedures
• Keep deployment documentation, configuration records, and operational runbooks current
• Support new application releases and production transitions in coordination with the broader engineering team

Explore DevOps Engineer at Expression. Review requirements and application details.

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Senior Platform Architect

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DevOps Engineer