Linux System Administrator

Company Description SS INFORMATION SYSTEMS PRIVATE LIMITED is a leading IT system integration and outsourced business services provider with strong coverage across the region. The company delivers end-to-end solutions to clients in retail banking, insurance, telecom, retail, PSU, and government sectors. As a Titanium Partner of DellEMC for South India and a partner to major OEMs such as VMware, IBM, HPE, Microsoft, Cisco, and others, SS Information works with a robust technology ecosystem. Its services span application services, systems integration, IT infrastructure management, and IT training, along with leadership in outsourced cash logistics, transaction printing, card personalization, and self-service solutions. The organization is focused on expanding its high-value, innovative offerings and aims to be the leading end-to-end solutions provider with best-in-class infrastructure management for diverse industries.

Role Description This is a full-time, on-site Linux System Administrator role based in SAC ISRO, Ahmedabad. The Linux System Administrator will install, configure, and maintain Linux servers and related infrastructure, ensuring high availability, performance, and security. Responsibilities include monitoring system health, applying patches and updates, managing user accounts and permissions, and automating routine tasks where possible. The role involves diagnosing and resolving system, network, and application issues, providing technical support to internal teams, and coordinating with vendors or senior engineers when needed. The administrator will also assist in implementing backup and recovery strategies, maintaining documentation, and supporting security policies and compliance requirements.

Qualifications

• Candidates should possess strong System Administration and Linux System Administration skills, including installation, configuration, and maintenance of Linux-based servers.
• Candidates should possess solid Troubleshooting and Technical Support skills to diagnose, resolve, and document system and application issues in a timely manner.
• Candidates should possess knowledge of Network Security, including basic firewall concepts, access controls, and best practices for securing Linux environments.
• Familiarity with scripting (e.g., Bash, Python), monitoring tools, and backup solutions is highly beneficial.
• Good understanding of networking fundamentals (TCP/IP, DNS, DHCP, routing) and virtualization or cloud platforms is an advantage.
• Bachelors degree in Computer Science BE, Information Technology, or a related field, or equivalent practical experience.
• Relevant certifications such as RHCSA, RHCE, Linux+, or similar are preferred but not mandatory.
• Ability to work on-site in Jammu, manage priorities, collaborate with cross-functional teams, and communicate clearly with technical and non-technical stakeholders.

• Red Hat Enterprise Linux (RHEL)
• CentOS / Rocky Linux / Ubuntu
• Server Installation & Configuration
• Package Management (RPM, YUM, DNF)

• User & Group Management
• Filesystem Management
• Storage Administration
• Process & Service Management
• Performance Monitoring & Tuning

• TCP/IP
• DNS
• DHCP
• Routing Concepts
• SSH
• Network Troubleshooting

• Firewall Configuration (iptables/firewalld)
• Access Control Management
• Linux Security Hardening
• Security Updates & Patch Management

• Bash Shell Scripting
• Python (Preferred)
• Task Automation

• Backup Solutions
• Log Management
• Monitoring Tools (Nagios, Zabbix, Grafana, Prometheus or equivalent)

• Experience with VMware virtualization environments.
• Knowledge of cloud platforms (AWS, Azure, or GCP).
• Understanding of High Availability and Disaster Recovery concepts.
• Experience supporting enterprise IT infrastructure environments.
• Familiarity with configuration management tools such as Ansible.

• B.E./B.Tech in Computer Science, Information Technology, Electronics & Communication, or related field.

• RHCSA (Red Hat Certified System Administrator)
• RHCE (Red Hat Certified Engineer)
• CompTIA Linux+
• Equivalent Linux Administration Certifications

• 23 years of hands-on Linux Administration experience.
• Strong analytical and troubleshooting skills.
• Good communication and documentation skills.
• Ability to work independently at customer locations.
• Willingness to work in a mission-critical environment.
• Ability to collaborate effectively with cross-functional teams.

Space Applications Centre (SAC), ISRO, Ahmedabad, Gujarat

Salary will be commensurate with qualifications, certifications, and relevant experience.