Senior Linux Administrator

Key Responsibilities : System Administration & Troubleshooting :

• Perform comprehensive Linux Administration and troubleshooting for 5+ years, ensuring system stability and optimal performance.
• Manage and fine-tune systems for optimal performance.
• Conduct OS and Hardware firmware upgrades effectively.
• Possess good knowledge in various Linux OS distributions (Redhat, Oracle Linux, CentOS, Ubuntu, OpenSuse, Debian) along with patching and rollback procedures.
• Install and troubleshoot LDAP, DNS, DHCP, LVMs, NFS.
• Perform user administration, manage file systems and logs.
• Experience with software package installation (deb, rpm, etc.).
• Knowledgeable in Linux internals to debug and solve installation issues related to environment, drivers, libraries, etc.
  

Cloud & Automation

• Work with AWS in an enterprise environment, contributing to cloud infrastructure management.
• Automate deployments and configuration management using various tools.
• Strong experience in scripting using Bash, Perl, Python, and Ansible.
• Install and configure High Availability environments.
  

Server & Network Management

• Possess good knowledge of Web servers like Apache, Apache Tomcat, NGINX.
• Good knowledge in Firewalls (IPTables) and SELinux.
  

Specific Platform Administration

• Administer Red Hat Satellite Server.
• Setup and configure Red Hat Satellite and Kickstart Servers for Red Hat Enterprise Linux 7/8/9 installs and RHN Push Updates.
  

Database Knowledge

• Possess knowledge of databases like Oracle, MySQL, Postgres, etc.
  

Mandatory Skills & Certifications

• Linux Administration : 5+ years of experience in Linux Administration and troubleshooting.
• Certifications : RHCE and AWS certifications are mandatory.
• AWS Experience : Experience with AWS in an enterprise environment.
• Redhat Satellite : Experience in Redhat Satellite Server Administration.
• Automation & Scripting : Experience with automation (deployments, configuration management) and hands-on scripting in Bash, Perl, Python & Ansible.
• High Availability : Experience in installing and configuration of High Availability environment.
• OS Knowledge : Good knowledge in Linux OS (Redhat, Oracle Linux, CentOS, Ubuntu, OpenSuse, Debian) along with patching and Rollback.
• Web Servers : Good knowledge in Web servers like Apache, Apache Tomcat, NGINX.
• Security : Good knowledge in Firewalls (IPTables) and SELinux.
• Networking Services : Good knowledge in installing and troubleshooting LDAP, DNS, DHCP, LVMs, NFS.
• System Management : Good knowledge in user administration, file systems and Logs, and software package installation.
• Troubleshooting : Knowledgeable in Linux internals to debug and solve installation issues - environment, drivers, libraries, etc.
• Database Fundamentals : Knowledge of databases like Oracle, MySQL, Postgres, etc.
• Red Hat Specifics : Experience with Red Hat Satellite and Kickstart Servers setup and configuration.
  

Good To Have

• Experience with monitoring tools like Logic Monitor, Opsramp, AppDynamics.
• Experience with Docker.
• Source code control (GitHub).
• Experience on AIX, Solaris (other Unix-like OS).