Linux System Administrator
2 weeks ago
We are seeking a highly skilled and detail-oriented Linux System Administrator with extensive experience in VMware virtualization and hardware management (Dell/HP). The ideal candidate will manage, monitor, and troubleshoot Linux servers, virtual environments, and system infrastructures, ensuring optimal performance and reliability.
Key Responsibilities:
- VMware Virtualization Management:
Managing Linux servers using VMware ESXi on Dell/HP hardware.
Creating and configuring Virtual Machine templates.
Cloning Virtual Machines and modifying configurations based on requirements.
Troubleshooting issues related to vMotion, snapshots, and cloning. - System Monitoring & Troubleshooting:
Monitoring server health, including CPU processors, memory, fans, temperature, and voltage.
Managing and analyzing hardware and software error logs (e.g., dmesg) to resolve issues proactively.
Performing daily health checks of supported servers and addressing findings preemptively. - Backup & Disaster Recovery:
Setting up and managing system backups, with the capability to restore data during disk failures.
Recovering root passwords and fixing boot-related issues.
Replacing failed hard disks, setting up disk mirroring for high availability, and configuring boot records. - Storage & Network Management:
Managing logical and physical storage using tools like LVM.
Establishing and troubleshooting network connectivity in Linux operating systems.
Working with DNS lookups, networking tools (e.g., nslookup, ping), and inetd.conf configuration. - User and Security Administration:
Creating and managing user accounts, groups, files, and directories using chmod, chown, ACLs, etc.
Setting up and maintaining security protocols for users and groups.
Troubleshooting system and network-related issues within SLA frameworks. - Software Management & Automation:
Installing and upgrading packages using YUM and RPM, and managing rollbacks when necessary.
Configuring and monitoring cron jobs for task automation and reviewing logs.
Configuring services such as Apache, Samba, and LDAP clients. - Proactive Alerts & Patch Management:
Setting up alarms and alerts to monitor infrastructure changes.
Managing and applying system patches and security updates. - Advanced Troubleshooting:
Using system dump configuration and analysis tools to diagnose problems and coordinate with engineers for solutions.
Troubleshooting issues during system maintenance mode and accessing rootvg.
Qualifications & Skills:
- Proficiency in Linux OS administration (AIX, LINUX) and user security management.
- In-depth knowledge of VMware ESXi management.
- Experience with logical and physical device management.
- Expertise in using networking tools and troubleshooting hardware/software issues.
- Familiarity with automation tools, error logs, and performance monitoring.
- Strong problem-solving, analytical, and organizational skills.
Network Management
Vmware Esxi
Security Administration
Troubleshooting
Hardware
VMware
Security Management
Cron
Networking
Operating Systems
Disaster Recovery
Voltage
Apache
Virtualization
DNS
Linux
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