System Administrator L3

Role & responsibilities

Position

System Administrator - L3

Experience

Minimum 6 years of professional experience in Linux/Unix System Administration.

Educational Qualification

• B.E./B.Tech. (Computer Science / Information Technology / Electronics & Communication Engineering) OR
• MCA OR
• M.Sc. (IT/Computer Science)
• Degree from a recognized University/Institution.

Mandatory Certification

Candidate must possess at least one valid OEM-recognized Linux/Unix certification such as:

• RHCSA (Red Hat Certified System Administrator)
• RHCE (Red Hat Certified Engineer)
• Linux Foundation Certified System Administrator (LFCS)
• Linux Foundation Certified Engineer (LFCE)
• SUSE Certified Administrator (SCA)
• SUSE Certified Engineer (SCE)
• Oracle Linux Certified Administrator/Professional
• Equivalent OEM-recognized Linux/Unix certification

Role Purpose The System Administrator - L3 will be responsible for administration, monitoring, maintenance, troubleshooting, and performance optimization of Linux/Unix-based infrastructure supporting critical government applications and services under the NIC project. The role requires expertise in managing enterprise servers, ensuring system availability, security compliance, and operational excellence in a highly available environment.

Key Responsibilities

• Administer and manage Linux/Unix servers in production, testing, and disaster recovery environments.
• Perform installation, configuration, patch management, upgrades, and maintenance of Linux/Unix operating systems.
• Monitor system health, performance, availability, and capacity utilization.
• Manage user accounts, permissions, authentication, and access control policies.
• Troubleshoot complex server, OS, storage, and application-related issues.
• Configure and manage services such as DNS, DHCP, NFS, FTP, SSH, SMTP, and web servers.
• Implement system hardening and security best practices as per organizational policies.
• Manage backup and recovery operations and support disaster recovery activities.
• Perform log analysis and root cause investigation of critical incidents.
• Support virtualization platforms and enterprise storage solutions.
• Automate routine administration activities using Shell Scripting, Python, or Ansible.
• Coordinate with network, database, application, and security teams for issue resolution.
• Prepare technical documentation, SOPs, operational runbooks, and incident reports.
• Ensure adherence to SLA, security, compliance, and audit requirements.

Required Technical Skills

Linux/Unix Administration

• Red Hat Enterprise Linux (RHEL)
• CentOS
• Ubuntu
• Oracle Linux
• SUSE Linux Enterprise Server (SLES)
• Unix environments (AIX/Solaris preferred)

Infrastructure & Services

• DNS, DHCP, LDAP, NTP
• NFS, Samba, FTP, SSH
• Apache, Nginx, Tomcat
• Systemd Services
• LVM and Storage Management

Monitoring & Automation

• Nagios
• Zabbix
• Grafana
• Prometheus
• Shell Scripting
• Python
• Ansible

Security

• OS Hardening
• Patch Management
• Vulnerability Remediation
• SELinux
• Firewall Configuration
• Audit and Compliance Management

Virtualization & Cloud (Preferred)

• VMware
• KVM
• OpenStack
• Basic Cloud Administration (AWS/Azure)

Desired Competencies

• Strong analytical and troubleshooting skills.
• Ability to manage critical production environments.
• Experience working in Government, PSU, NIC, Data Centre, or large enterprise environments.
• Strong documentation and communication skills.
• Ability to work in 24x7 support and shift-based operations, if required.

Preferred Experience

• Experience managing large-scale Linux/Unix infrastructure environments.
• Exposure to Data Center Operations and Disaster Recovery setup.
• Experience in government e-Governance projects, NIC, NKN, or public sector projects will be an added advantage.

Employment Type

Full-Time

Notice Period

Immediate to 30 days preferred.