System Administrator

Overview

Job Description

Job Title: System Administrator

Location: GNB TECH, Chennai

Job Type: Full-time / Work from Office

Experience: 3 to 5 years

Job Summary:

We are seeking a proactive and skilled System Administrator to manage and maintain our IT infrastructure, ensuring optimal performance, security, and reliability. The ideal candidate will have strong experience in system and network administration, IT support, and infrastructure setup, along with a hands-on approach to electrical tasks, office admin support, and hardware system setup.

This role involves close collaboration with internal teams and external vendors to support and enhance IT operations. Experience in Linux environments will be an added advantage.

Key Responsibilities:

Server Management:

• Install, configure, update, and maintain server operating systems (Windows, Linux, macOS) and related applications.
• Manage physical and virtual server infrastructure (VMware, Hyper-V, KVM), including cloud platforms (AWS, Azure, GCP).
• Monitor system performance, ensure uptime, and proactively troubleshoot issues.
• Implement system backups, restore procedures, and disaster recovery solutions.
• Perform system patching, firmware updates, and manage server security.

Network Administration:

• Maintain and manage network infrastructure: routers, switches, firewalls, Wi-Fi access points.
• Configure and troubleshoot network services (TCP/IP, DNS, DHCP, VPN, load balancing).
• Monitor traffic, resolve performance issues, and maintain network security.

User Account Management:

• Manage user accounts, permissions, and access controls.
• Administer Active Directory, SSO, MFA, and LDAP-based authentication systems.
• Address access issues and ensure policy compliance.

Technical Support & IT Operations:

• Provide end-user support for hardware, software, and network issues.
• Troubleshoot system/application failures and connectivity problems.
• Maintain IT documentation, FAQs, and train users on IT policies and security awareness.
• Support office infrastructure setup, including new system setup, cabling, peripheral installations, and basic electrical work when required.

Electrical & Admin Support:

• Coordinate and support basic electrical maintenance related to IT equipment, including UPS, wiring, and power distribution.
• Assist with admin-related IT tasks, such as maintaining asset records, procurement coordination, office equipment setup, etc.
• Ensure a clean and organized IT environment (server room, storage areas, cables, etc.).

Security & Compliance:

• Implement IT security protocols and monitor threats and vulnerabilities.
• Maintain endpoint protection, firewalls, antivirus, and encryption measures.
• Conduct periodic audits and ensure compliance with company policies.

Automation & Scripting:

• Develop scripts using Bash, PowerShell, Python, or Perl to automate routine tasks.
• Utilize configuration management tools (e.g., Ansible, Puppet, Chef) to standardize system configurations.

Documentation & Inventory:

• Maintain accurate IT asset inventories and license records.
• Document network diagrams, access control lists, SOPs, and recovery plans.
• Regularly update configurations and technical documentation.

Required Qualifications & Skills:

Education & Experience:

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 3+ years of experience in system administration or a similar IT role.
• Certifications such as CompTIA Server+, Azure Administrator Associate, RHCE, or CCNA are a plus.

Technical Skills:

• Strong hands-on experience with Windows and Linux-based systems (Linux knowledge is a plus).
• Solid understanding of networking, firewalls, VPNs, VLANs, and subnetting.
• Experience with virtualization (VMware, Hyper-V) and containerization (Docker/Kubernetes).
• Familiarity with cloud platforms and cloud security practices.
• Proficient in scripting and using monitoring tools like Zabbix, Grafana, or Nagios.
• Ability to perform basic electrical tasks and infrastructure setup.

Soft Skills:

• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong communication skills, both verbal and written.
• Ability to manage multiple priorities and work in a dynamic environment.
• Collaborative, proactive, and customer-focused mindset.
• Willingness to learn and take on diverse responsibilities.

Job Types: Full-time, Permanent

Pay: ₹25,000.00 - ₹40,000.00 per month

Benefits:

• Food provided
• Paid sick time
• Provident Fund

Schedule:

• Day shift
• Fixed shift
• Monday to Friday

Supplemental Pay:

• Performance bonus

Experience:

• Network management: 3 years (Required)
• System administration: 3 years (Required)

Work Location: In person