Systems Administrator (Linux/Unix)

Ability to lift 30 pounds

• Must possess a CompTIA Security+ or equivalent DoD 8572 qualified certificate (or obtain within the first 60 days of employment)
• Experience with Linux or Unix operating systems
• Install operating system security patches and firmware updates
• Create/manage security groups
• Coordinate hardware repair activities
• Diagnose and resolve hardware/software problems/issues
• Create scripts to automate system administration tasks
• Create/edit Standard Operating Instructions (SOI) documentation

Desired skills :

• Experience with RedHat Enterprise Linux (RHEL) versions 6, 7, 8, & 9
• Experience administering virtual machines with VMWare ESXi
• Performing routine server/workstation patching per guidelines
• Proficiency in automation with shell and Ansible
• Successfully install server and associated hardware
• Successfully install/configure software applications and programs
• Managing servers in a disconnected environment
• Experience with vulnerability remediation and security management (system hardening, log management, configuration management [i.e., Nessus, Trellix, Splunk, SCAP, HBSS])
• Proficiency managing and implementing backup and disaster recovery for Linux systems
• Knowledge of National Industrial Security Program Operating Manual (NISPOM), Risk Management Framework (RMF) and Security Technical Implementation Guide (STIG) Requirements
• Experience managing Linux systems with NAS/SAN attached storage; ability to troubleshoot storage issues
• Experience implementing and mangaging end user authentication for Linux systems in a mixed authentication environment: NIS & SSSD experience preferred
• Previous experience with any of Solaris, AIX, POWER, SPARC