Senior System Administrator

Job Title: Senior System Administrator

Experience Required: 12–15 Years

Location: HITEC City, Hyderabad

Employment Type: Full-Time

Shift: Night Shift (US Shift -7.30 PM to 4.30 AM)

Job Summary

Senior System Administrator

Key Responsibilities

1. Infrastructure & Server Management

• Manage and maintain Windows and Linux servers to ensure optimal performance and uptime.
• Plan, schedule, and implement server upgrades, patches, and security updates.
• Manage virtualization platforms such as VMware or Hyper-V.

2. User & Access Management

• Oversee

  Active Directory

  , Group Policies, SSO, user lifecycle management.
• Administer Office 365 services including Exchange Online, Teams, SharePoint, and OneDrive.

3. Network & Firewall Administration

• Configure and troubleshoot LAN/WAN, switches, routers, and wireless access points.
• Administer enterprise firewalls (Sophos, Fortigate, Palo Alto, etc.) with strong knowledge of network security.
• Manage VPN configurations and secure remote access.

4. Backup & Disaster Recovery

• Manage enterprise backup solutions (on-prem & cloud-based).
• Ensure regular backups, integrity checks, and disaster recovery readiness.
• Develop and maintain backup policies, retention strategies, and recovery documentation.

5. Cloud Administration

• Manage cloud environments such as

  Azure

  or

  AWS

  .
• Monitor cloud resources, cost optimization, security configurations, and user roles.
• Handle cloud migrations, storage management, and hybrid infrastructure setups.

6. VOIP & Communication Systems

• Support and maintain VOIP platforms, call flows, SIP settings, and voice network configurations.
• Coordinate with vendors for system enhancements or issues.

7. End-User Support

• Provide advanced Level 3 support for escalations from helpdesk teams.
• Ensure timely resolution of onsite and remote user issues.
• Create internal documentation, SOPs, and technical guides.

8. IT Operations & Vendor Coordination

• Manage IT procurement, asset lifecycle, and vendor relationships.
• Support IT management in budgeting, planning, and implementing new technologies.

Required Skills & Qualifications

• Bachelor’s degree in Computer Science, IT, or related field (preferred).
• 12–15 years of hands-on experience in system and network administration.
• Expertise in:
• Office 365 administration
• Windows & Linux Servers
• Active Directory, Group Policies
• Networking, routing, switching, VPN
• Firewall administration
• VOIP systems
• Virtualization (VMware/Hyper-V)
• Backup and disaster recovery systems
• Cloud platforms (Azure/AWS)
• Strong analytical, problem-solving, and troubleshooting abilities.
• Ability to manage IT operations independently for large user base (300+ users).