Unix Linux Administrator
2 weeks ago
Job Role: Unix Linux Administrator
Job Location: Chennai/Hyderabad
Exp Range: 5Years to 8Years
Required technical skills: AIX, HP-UX
Desired Competencies (Technical/Behavioral Competency):
- System Administration: Install, configure, and manage Unix-based operating systems, including RHEL Linux, AIX, HP-UX.
- Server Management: Monitor and maintain physical and virtual servers, ensuring optimal performance and uptime.
- User Management: Manage user accounts, permissions, and authentication methods (LDAP, NIS, PAM).
- Shell Scripting & Automation: Develop and maintain shell scripts (Bash, Perl, Python) for automation tasks like system monitoring, backups, and configuration management.
- System Performance Tuning: Monitor system performance, identify bottlenecks, and implement optimizations to improve system efficiency.
- Security Management: Apply patches, upgrades, and configure firewalls. Implement security best practices, ensuring systems are protected against vulnerabilities.
- Backup & Recovery: Ensure system backups are performed regularly and that recovery procedures are in place and tested.
- Troubleshooting: Diagnose and resolve hardware and software issues. Provide support for application and infrastructure teams.
- Networking: Understand and manage networking concepts like TCP/IP, DNS, DHCP, VPN, NFS, and SAN/NAS storage solutions.
- Incident & Problem Management: Provide support for critical issues (Level 3 escalation). Perform root cause analysis for system outages and incidents.
- Documentation: Create and maintain documentation related to system configurations, procedures, and policies.
- Collaboration: Work closely with development, application, and infrastructure teams to provide Unix system support and collaborate on IT projects.
- In-depth knowledge of Unix-based operating systems (Linux, AIX, Solaris, etc.).
- Proficiency in shell scripting (Bash, Perl, Python).
- Experience with system monitoring tools (Nagios, Zabbix, etc.) and automation tools (Ansible, Puppet, Chef).
- Familiarity with virtualization platforms (VMware, KVM, etc.).
- Solid understanding of networking principles (TCP/IP, DNS, DHCP, VLANs, firewalls).
- Strong troubleshooting and problem-solving skills.
- Experience with storage management (NFS, SAN, NAS).
- Knowledge of cloud platforms (AWS, GCP, Azure) is a plus.
- Excellent communication and documentation skills.
- Ability to work independently and as part of a team.
Good to have skills:
- Good understanding of Incident, Asset, Problem and Change Management (ITIL Process)
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