Responsibilities
- Oversee end-to-end lifecycle operations for all RHEL servers used across the enterprise, including deployment, updates, version upgrades, and retirement
- Create and maintain automated workflows using Ansible, Bash, or Python to enable fast, repeatable, and standardized system configurations
- Install and manage Linux servers operating within clustered architectures
- Continuously monitor system performance and implement tuning adjustments to support high-volume, low-delay data handling
- Conduct kernel parameter tuning via sysctl, optimize I/O operations, and analyze network performance metrics
- Diagnose and resolve advanced performance issues involving CPU, memory, disk storage, and network components
- Act as a technical escalation resource for operations staff and fellow Unix team members
- Investigate and resolve infrastructure incidents, delivering root cause assessments
- Collaborate with application, storage, and networking teams to address multi-system service disruptions
- Coordinate with backup operations to maintain reliable and consistent data protection across all Linux systems
- Enforce system security controls aligned with federal mandates including NIST, FISMA, and DISA STIGs
- Administer user access controls and system permissions, integrating with SSSD, LDAP, and Active Directory
- Identify and fix issues related to SELinux policies and configurations
- Support security audit processes and implement corrective actions for identified vulnerabilities
- Participate in a rotating on-call schedule to provide round-the-clock operational support
Work Arrangement
On-site
Team
Provides dedicated technical support to the Unix Management Branch within the Computer Services Division
Other
- U.S. Citizenship is required
- Candidate must pass a background investigation for Public Trust-High clearance
- Public Trust security clearance is mandatory for federal government employment
- Participation in a 24/7/365 on-call rotation is required
- This position supports the U.S. Census Bureau contract
