Linux Administrator II

CesiumAstro is seeking a Linux Administrator II to support the infrastructure, systems administration, and operational readiness activities for the Element 1 launch operations program.

This role is responsible for administering and maintaining Linux-based environments that support mission-critical engineering, testing, integration, and launch activities.

The ideal candidate is technically strong, detail-oriented, and capable of supporting highly available systems in fast-paced operational environments where reliability, cybersecurity, and responsiveness are critical.

This position partners closely with software engineering, network engineering, mission operations, cybersecurity, and IT teams to ensure stable, secure, and scalable Linux infrastructure supporting launch and ground operations.

The role requires strong troubleshooting skills, experience supporting operational systems, and the ability to work effectively in a highly collaborative aerospace and defense manufacturing environment.

• Administer, configure, monitor, and maintain Linux-based servers and operational systems supporting Element 1 launch operations
• Perform system provisioning, patching, upgrades, hardening, and performance tuning activities across development, test, and production environments
• Support operational readiness of mission-critical infrastructure with a focus on reliability, uptime, and security
• Manage user accounts, permissions, authentication methods, and system access controls in accordance with cybersecurity and compliance requirements
• Troubleshoot Linux operating system issues, system performance concerns, and infrastructure-related incidents

• Support infrastructure activities associated with launch operations, ground systems, integration labs, and operational test environments
• Assist with system monitoring, log analysis, backup management, and disaster recovery processes