Senior Linux Administrator
Core
Senior Linux Administrator responsible for the deployment, configuration, and operational support of RHEL infrastructure hosting Census data collection and analysis applications.
Role type
Senior IC Linux Administrator (RHEL)
Builds
RHEL server clusters and enterprise-wide automated configurations
Domain
Federal Government / Data Infrastructure
Deliverable
production ML models | infrastructure
Required skills
RHEL 7/8/9 administration, Ansible automation, Bash scripting, Python, Linux performance tuning, kernel parameter analysis, SELinux troubleshooting, LVM/XFS/NFS storage management, TCP/IP networking
Preferred skills
Public Trust security clearance, RHCE/RHCA certification, Cisco UCS administration, IBM Storage Scale/GPFS experience
Technologies
Ansible, Bash, Python, RHEL, LVM, XFS, NFS, CLVM, SSSD, LDAP, Active Directory, vmstat, iostat, sar, perf, sysctl
Responsibilities
Manage the complete lifecycle (provisioning, patching, upgrading, decommissioning) of RHEL servers; Develop and maintain automation for enterprise-wide changes; Proactively monitor and tune RHEL environment performance for high-throughput data processing; Serve as escalation point for infrastructure issues and provide root cause analysis; Implement and maintain system security in accordance with federal standards (NIST, FISMA, DISA STIGs); Participate in 24/7/365 on-call rotation
Seniority
Senior, hands-on IC
