System Administrator

• Manage Microsoft 365 (users, access, security policies)
• Handle AWS infrastructure (EC2, IAM, monitoring)
• Maintain server environment (Windows/Linux)

• Configure and manage SonicWall firewall & VPN
• Monitor logs (M365, AWS, servers) and respond to incidents
• Manage endpoint security (Trend Micro or similar)
• Implement MFA, access control, and user lifecycle
• Perform backup, patching, and disaster recovery
• Support ISO 27001 compliance, audits, and documentation

• Manage user lifecycle (Joiner-Move-Leave process)
• Enforce Role-Based Access Control

• Manage VoIP systems, Pivo, and Twilio
• Troubleshoot call flow and telephony-related issues

• Microsoft 365 Administration
• AWS fundamentals (EC2, IAM)
• Networking (Firewall, VPN, NAT)
• Security tools & incident handling
• Basic scripting (PowerShell/Bash)

• ISO 27001 exposure.
• Experience with SIEM/log monitoring tools.
• Experience with ManageEngine ServiceDesk Plus.
• VoIP / Twilio knowledge.
• Relevant certifications (AWS, Microsoft, Security).

Rangam Infotech