Linux System AdministrationLinux System Administration job located at 3281 Ridgeway Drive Coralville, IA 52241Responsibilities:RedHat/CentOS & Ubuntu system administrationMajor and minor OS upgradeScripting languages, including bash and PythonAnsible automationGit repository managementVMware/deployment methodsPhysical server maintenance, include iDRACImplementing system security best practicesAuthentication protocols/methods including KRB, SSSD, A/D, LDAPProficient written and verbal communicationContractor tasks:Individual Systems Update (100+ Systems)SecurityUninstall FireEye HX agentInstall/configure M.S. DefenderReview/implement 3rd party recommendationsScheduled jobs analysisValidate/analyze boot files (inittab, systemd, rc.x)Compare /home to passwd fileReview/convert chronyd configurationsMigrate Ubuntu Desktops to current version (10 Systems)Upgrade/migrate Linux servers to latest OS (10 Systems)Ansible bash-to-yaml conversionReview/Improve logging (syslog-ng)Review A/D integration (Kerberos with SSSD; LDAPS; OUs)Replace SSL Certificates (20 Systems)Required skills:RedHat/CentOS & Ubuntu system administration - Required - 5 - YearsMajor and minor OS upgrade - Required - 5 - YearsScripting languages, including bash and Python - Required - 5 - YearsAnsible automation - Required - 5 - YearsGit repository management - Required - 5 - YearsVMware/deployment methods - Required - 5 - YearsPhysical server maintenance, include iDRAC - Required - 5 - YearsImplementing system security best practices - Required - 5 - YearsAuthentication protocols/methods including KRB, SSSD, A/D, LDAP - Required - 5 - Years