Redhat Specialist

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Company: United Software Group, Inc.

Location: Columbus, OH 43230

Description:

Required:

Minimum 7 years' experience with Red Hat Enterprise Linux (RHEL) v6, V7.x, and v8 in a datacenter environment.
Installation of RHEL7 and 8 in a standalone and VMware environment.
Proficient in managing software & system service daemons via systemd system and service manager.
Shell scripting experience, including bash for routine system administration tasks and report creation.
Utilization of "yum" for patching and package installation from a central repository.
Experience with cron/crontab for periodic scheduled jobs.
Creation & management of filesystems and volumes using LVM, as well as partitioning of disk devices.
System performance analysis, log analysis, and troubleshooting techniques.
Expertise in TCP/IP networking, including configuration, troubleshooting, and use of tcpdump and Wireshark.
Setup/configuration of network interfaces and typical networked services such as DNS, NTP, NFS, FTP, SFTP, SSH, Apache HTTPD, CIFS, SMB/Samba, syslog/rsyslog.
Implementation of security hardening practices, including RHEL7's firewalld.
Knowledge of SSH authentication techniques (password, key-based).
Proficiency in sudo, sudoers file, and "sudoers.d" directory.
Configuration of Grub to control Linux boot and system parameters.
Preparation of technical documentation for staff and management, including technical procedures, operational & network flow descriptions, performance reports, etc.
Creation of periodic reports documenting job activities.

Knowledge/Experience a desired plus:

RHCSA (Red Hat Certified Systems Administrator - RHEL V7.x and/or RHEL V8.x) - Required.
Minimum 7 years' experience with Red Hat Enterprise v7.x and v8.x - Required.
Minimum 2 years' working experience in RH version upgrades; specifically RH7 to RH8 - Required.
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.