Linux Administrator

Summary

Experienced Database Administrator and Linux/UNIX Systems Engineer with 15+ years managing SQL Server, PostgreSQL, and MySQL environments across enterprise and academic infrastructure. Strong hands-on experience maintaining and hardening Linux systems (RHEL/CentOS/Ubuntu), managing patching lifecycles, SELinux enforcement, firewalld/iptables configuration, and command-line user and service administration. Completed 8+ SANS GIAC courses in security, incident response, and intrusion analysis enabling compliance-focused administration aligned with DoD/NIST best practices.

Expectations

Im seeking a Linux Administrator position focused on secure system configuration, patch management, automation, and service reliability. I enjoy environments where I can contribute to hardening efforts, streamline operational processes, and support mission-critical workloads.

Employment Preferences

Expected Base Salary

**,000 USD

Expected Total Compensation

**,000 USD

Academic Degree

Experience

Skills

• IT Analyst
• Database Administrator
• DBA
• Linux Systems Engineer
• SQL Server
• PostgreSQL
• MySQL
• Oracle
• AWS
• Azure
• RHEL
• CentOS
• Ubuntu Server
• SELinux
• Firewalld
• Iptables
• YUM
• RPM
• VLAN
• DNS
• SSH
• SFTP
• SMTP
• NTP
• Bash
• Python
• Perl
• T-SQL
• PL
• PgSQL
• ETL
• ELT
• SSIS
• SSRS
• Performance Tuning
• Query Optimization
• High Availability
• Backup
• Recovery
• Disaster Recovery
• Replication
• Automation
• Patch Management
• System Hardening
• Security Compliance
• STIG
• NIST
• Audit Logging
• Access Control
• Incident Response
• System Monitoring
• Research Computing
• Hybrid Cloud
• Virtualization
• On-Prem Infrastructure
• DevOps Collaboration
• Git
• Jupyter
• Research Data Systems
• Data Pipelines
• HCIS Security
• Digital Forensics
• Intrusion Detection
• Penetration Testing
• Network Troubleshooting
• TCP
• IP
• Netstat
• Ifconfig
• Ip Command
• Cron Scheduling
• SOP Documentation