Linux Administrator
We have Job Opening for Linux Administrator
Key Responsibilities
- Server administration: Install, configure, administer, and maintain Linux servers (RHEL,
CentOS, Ubuntu) across physical, virtual, and cloud environments.
- Monitoring & performance: Monitor system health, capacity, and performance; proactively
tune servers and resolve bottlenecks to ensure high availability and uptime.
- Incident & problem management: Respond to alerts and client tickets within SLA, perform
root-cause analysis, and drive incidents through to resolution.
- Patching & hardening: Apply OS patches, security updates, and hardening measures;
manage vulnerabilities and ensure compliance with security policies.
- Automation & scripting: Automate routine administration and deployments using Shell/Bash
and Python; reduce manual effort and human error.
- Backup & recovery: Configure and verify backups, and execute disaster-recovery and
restoration procedures.
- User & access management: Manage users, groups, permissions, and authentication (SSH,
sudo, LDAP) following least-privilege principles.
Job Description
- Networking & services: Administer core services such as DNS, DHCP, NFS, Apache/Nginx,FTP, and firewalls (iptables/firewalld).
- Client communication: Serve as a technical point of contact for US-based clients providing clear status updates, walkthroughs, and post-incident summaries over calls, email, and chat.
- Documentation: Maintain accurate runbooks, SOPs, configuration records, and knowledge-base articles.
- Collaboration: Coordinate with NOC, network, security, and application teams to deliver eamless 24x7 suppor.
Required Skills & Qualifications
- Experience: 3 5 years of hands-on Linux system administration in a production environment.
- Operating systems: Strong expertise in RHEL / CentOS / Ubuntu administration and
troubleshooting.
- Core skills: Solid command of the Linux command line, system services (systemd), file systems, LVM, and performance tuning.
- Scripting: Proficiency in Shell/Bash scripting; working knowledge of Python is an advantage.
- Networking: Good understanding of TCP/IP, DNS, DHCP, routing, and firewall configuration.
- Tools: Experience with monitoring tools (Nagios, Zabbix, Prometheus/Grafana) and ticketing systems (ServiceNow, Jira).
- Communication: Excellent verbal and written English communication skills, with a proven
ability to support and interact professionally with US-based clients.
- Availability: Willingness to work in night shifts / rotational shifts aligned to US time zones.
- Education: Bachelors degree in Computer Science, IT, or a related field (or equivalent practical experience).
Preferred / Good to Have
- Red Hat Certified (RHCSA / RHCE) or comparable Linux certification.
- Hands-on experience with cloud platforms (AWS, Azure, or GCP).
- Exposure to virtualization (VMware, KVM) and containers (Docker, Kubernetes).
- Familiarity with configuration-management and CI/CD tools (Ansible, Git, Jenkins).
- Prior experience in a managed-services, NOC, or US client-support environment.
