KARTHIK GUMMADAVELLI
Leesburg
Summary
Data Center & Network Technician with 3 years of hands-on experience in rack installations, structured cabling, preventive maintenance, hardware troubleshooting, and infrastructure support. Strong technical foundation in fiber & copper connectivity, routing & switching basics, and physical data center operations. CCNA-certified, safety-focused, reliable, and experienced supporting high-availability environments. Known for ownership, accuracy, and delivering consistent results under SLA-driven work.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Data Center Technician
HCL Tech
06.2024 - Current
- Installed server racks, network appliances, and power units following data center standards.
- Performed hardware swaps (SSDs, DIMMs, NICs, PSUs) to restore functionality and reduce downtime.
- Executed fiber and copper patching, continuity checks, and OTDR validations.
- Conducted daily PM rounds inspecting temperature, power, alarms, and equipment health.
- Assisted with server provisioning/decommissioning and maintained accurate DCIM inventory.
- Diagnosed rack-level issues including link failures, power mismatches, and mispatching.
- Followed SOPs for emergency responses, shutdown procedures, and maintenance windows.
- Documented asset changes, cabling diagrams, and incident notes to support compliance.
Network Field Technician
TCS Adibatla
04.2021 - 05.2023
- Installed and terminated Cat5e/Cat6 and fiber cables across customer and enterprise sites.
- Performed OTDR tests, inspected fiber quality, and isolated signal losses and faults.
- Configured Ethernet/serial links, validated network path stability, and assisted with VLAN setups.
- Conducted field surveys evaluating cable paths, power availability, and equipment placement.
- Resolved connectivity issues through loopback tests, hotspot setup, and remote troubleshooting.
- Created documentation including cabling maps, site reports, and network diagrams.
Education
Master's - Computer Technology
Eastern Illinois University
12.2024
Skills
- Rack-and-stack
- PDU installs
- Hardware replacement (SSD, DIMM, NIC, PSU)
- Fiber & copper cabling
- OTDR
- Fiber scope
- Signal validation
- PM rounds
- Facility checks
- Alarm response
- Ticket handling
- VLANs
- DHCP
- DNS
- TCP/IP
- VPN
- Routing basics (OSPF/BGP)
- Linux CLI
- Remote troubleshooting
- Basic AWS knowledge
- Inventory tracking
- Documentation
- Change logs
- DCIM updates
- Ladder work
- Lifting
- Confined spaces
- Safety compliance
Certification
Cisco Certified Network Associate (CCNA)
Timeline
Data Center Technician
HCL Tech
06.2024 - Current
Network Field Technician
TCS Adibatla
04.2021 - 05.2023
Master's - Computer Technology
Eastern Illinois University