United Software Group
Technical Specialist-RHEL
United Software Group, Columbus, Ohio, United States, 43224
Complete Description:
Required:
Minimum 7 years' experience with Red Hat Enterprise Linux (RHEL) v6,V7.x and v8 in a datacenter environment•Required areas of knowledge & experience:
o Installation of RHEL7and 8 in a standalone and VMware environment
o Stop, Start, restart, enable and disable running of software & system service daemons via systemd system and service manager
o Installation, update and inventory of software packages via rpm command
o Shell scripting experience, e.g. bash for routine system administration tasks, creating reports
o "yum" for patching and package installation from central repository
o Cron/crontab for periodic scheduled jobs
o Creation & management of filesystems and volumes using LVM, partitioning of disk devices
o System performance analysis, system log analysis and system troubleshooting techniques
o Logrotate for periodic rotation and compression or purge of older logs
o Remediation of common Linux server issues such as filesystem nearly full, user cannot login, etc.
o TCP/IP networking: Configuration, troubleshooting, use of tcpdump and Wireshark
o Setup/configuration of network interfaces
o Setup/configuration of typical networked services such as DNS, NTP, NFS, FTP, SFTP,SSH,Apache HTTPD,CIFS,SMB/Samba,syslog/rsyslog
o Security hardening practices, including RHEL7's firewalld
o SSH authentication techniques (password, key-based)
o Use of sudo, sudoers file, and "sudoers.d" directory
o Grub configuration & setup to control Linux boot and system parameters at boot time
o Troubleshooting all of the above•Excellent oral and written communication skills•Preparation of documentation for technical staff and management (technical procedures, description and diagramming of operational & network flow, performance reports, etc.)•Create periodic reports to document your job activities
Knowledge/Experience a desired plus:RHCSA (Red Hat Certified Systems Administrator - RHEL V7.x and/or RHEL V8.x) - RequiredMinimum 7 years' experience with Red Hat Enterprise v7.x and v8.x - RequiredMinimum 2 years' working experience in RH version upgrades; specifically RH7 to RH8 - RequiredFamiliarity with system tuning & setup requirements for Oracle RDBMS utilizing ASM disks - RequiredKnowledge of rsyslog and a web server (apache preferred) - RequiredPostfix SMTP gateway - DesiredMicrosoft Active Directory and LDAP (as a "client" of these services, not as an administrator under Windows) - DesiredSystems programming language (Python preferred, or Perl) - Desired
Skill
Required / Desired
Amount
of Experience
RHCSA (Red Hat Certified Systems Administrator - RHEL V7.x and/or RHEL V8.x)
Required
Experience with Red Hat Enterprise v7.x and v8.x
Required
7
Years
Working experience in RH version upgrades; specifically RH7 to RH8
Required
2
Years
Familiarity with system tuning & setup requirements for Oracle RDBMS utilizing ASM disks
Required
Knowledge of rsyslog and a web server (apache preferred)
Required
Postfix SMTP gateway
Desired
Microsoft Active Directory and LDAP (as a "client" of these services, not as an administrator under Windows)
Desired
Systems programming language (Python preferred, or Perl)
Desired
Required:
Minimum 7 years' experience with Red Hat Enterprise Linux (RHEL) v6,V7.x and v8 in a datacenter environment•Required areas of knowledge & experience:
o Installation of RHEL7and 8 in a standalone and VMware environment
o Stop, Start, restart, enable and disable running of software & system service daemons via systemd system and service manager
o Installation, update and inventory of software packages via rpm command
o Shell scripting experience, e.g. bash for routine system administration tasks, creating reports
o "yum" for patching and package installation from central repository
o Cron/crontab for periodic scheduled jobs
o Creation & management of filesystems and volumes using LVM, partitioning of disk devices
o System performance analysis, system log analysis and system troubleshooting techniques
o Logrotate for periodic rotation and compression or purge of older logs
o Remediation of common Linux server issues such as filesystem nearly full, user cannot login, etc.
o TCP/IP networking: Configuration, troubleshooting, use of tcpdump and Wireshark
o Setup/configuration of network interfaces
o Setup/configuration of typical networked services such as DNS, NTP, NFS, FTP, SFTP,SSH,Apache HTTPD,CIFS,SMB/Samba,syslog/rsyslog
o Security hardening practices, including RHEL7's firewalld
o SSH authentication techniques (password, key-based)
o Use of sudo, sudoers file, and "sudoers.d" directory
o Grub configuration & setup to control Linux boot and system parameters at boot time
o Troubleshooting all of the above•Excellent oral and written communication skills•Preparation of documentation for technical staff and management (technical procedures, description and diagramming of operational & network flow, performance reports, etc.)•Create periodic reports to document your job activities
Knowledge/Experience a desired plus:RHCSA (Red Hat Certified Systems Administrator - RHEL V7.x and/or RHEL V8.x) - RequiredMinimum 7 years' experience with Red Hat Enterprise v7.x and v8.x - RequiredMinimum 2 years' working experience in RH version upgrades; specifically RH7 to RH8 - RequiredFamiliarity with system tuning & setup requirements for Oracle RDBMS utilizing ASM disks - RequiredKnowledge of rsyslog and a web server (apache preferred) - RequiredPostfix SMTP gateway - DesiredMicrosoft Active Directory and LDAP (as a "client" of these services, not as an administrator under Windows) - DesiredSystems programming language (Python preferred, or Perl) - Desired
Skill
Required / Desired
Amount
of Experience
RHCSA (Red Hat Certified Systems Administrator - RHEL V7.x and/or RHEL V8.x)
Required
Experience with Red Hat Enterprise v7.x and v8.x
Required
7
Years
Working experience in RH version upgrades; specifically RH7 to RH8
Required
2
Years
Familiarity with system tuning & setup requirements for Oracle RDBMS utilizing ASM disks
Required
Knowledge of rsyslog and a web server (apache preferred)
Required
Postfix SMTP gateway
Desired
Microsoft Active Directory and LDAP (as a "client" of these services, not as an administrator under Windows)
Desired
Systems programming language (Python preferred, or Perl)
Desired