Kishore Kumar

Technical Support Engineer | Network Administrator | VoIP Specialist

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About Me

Results-driven IT professional with 3+ years of experience in Network Operations, Linux Administration, VoIP Infrastructure, Firewall Management and AWS Cloud Fundamentals. Passionate about building secure, scalable and highly available enterprise communication systems.

Core Skills

Networking & Security

TCP/IP, DNS, DHCP, VPN, VLANs, ACLs, Cisco Switches, HP Switches, FortiGate Firewalls, Packet Analysis.

Linux Administration

Red Hat, CentOS, Ubuntu, User Management, System Monitoring, Security Hardening, Backup Solutions.

VoIP Systems

FreePBX, FreeSWITCH, SIP Trunks, QoS Optimization, Asterisk-Based Deployments.

Cloud & Virtualization

AWS EC2, S3, IAM, Oracle VM, VMware vSphere, Disaster Recovery Planning.

Work Experience

Technical Support Engineer

Unifiedvoice Communication

March 2022 – Present

  • Reduced VoIP downtime by 30%.
  • Configured FortiGate firewalls and network infrastructure.
  • Resolved 150+ monthly IT incidents.
  • Maintained 95% SLA compliance.

Shift Supervisor

More Retail Pvt Ltd

Nov 2020 – Aug 2021

  • Managed 12-member operational team.
  • Improved inventory accuracy by 18%.
  • Reduced delays by 40% through workflow optimization.

Projects & Achievements

Enterprise VoIP Optimization

Designed and deployed VoIP solutions for 500+ users using FreePBX and FreeSWITCH, improving call quality and reducing latency by 35%.

Network Security Enhancement

Implemented centralized FortiGate firewall policies, blocking 95% of unauthorized access attempts.

Virtualization Infrastructure

Managed Oracle VM and VMware environments with optimized resource allocation and fault tolerance.

Education

B.E. Electronics & Communication Engineering

Apollo Engineering College, Anna University

2021 | 72%

Higher Secondary Certificate

2017 | 70%

SSLC

2015 | 87%

Contact

📞 +91 9884764184

📧 Kishorekarthick98847@gmail.com

📍 Chennai, Tamil Nadu, India

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