Sai Sahishnu Yerraguravagari
Buford,GA
Summary
Hands-on Data Center and Network Support Technician with 2+ years of experience supporting mission-critical infrastructure across telecommunications and enterprise environments. Strong background in Linux-based systems, fiber optic networks (single-mode and multi-mode), and routing/switching fundamentals. Proven ability to troubleshoot hardware, OS, and network-layer issues using command-line tools, OTDR, and light meters while meeting strict SLA requirements. Experienced in 24/7 operations, shift work, and physically demanding industrial environments. Known for taking ownership of issues, bias for action, and delivering reliable, high-availability data center operations.
Overview
6
6
years of professional experience
1
1
Certification
Work History
IT Infrastructure Engineer
Kedar Info Tech (Client-Frontier Communications)
05.2025 - Current
- Supported Linux-based systems for internal applications and infrastructure services
- Performed routine Linux troubleshooting including process monitoring, log analysis, and file system checks
- Assisted with rack & stack operations, cable management, and replacement of failed hardware components
- Applied OSI model concepts to isolate hardware, OS, and network-layer issues
- Monitored alerts and responded to incidents, demonstrating strong bias for action
- Assisted with BMS-related alerts and basic power/inverter awareness in controlled environments
- Maintained operational documentation, access controls, and asset records
- Supported 24/7 operations with rotating shifts including nights and weekends
Systems / Data Center Support Engineer
Virtusa Consulting Services Pvt Ltd (Client-Nxtra Data)
01.2020 - 08.2021
- Installed and supported Linux-based servers used for network monitoring and diagnostics
- Performed basic Linux administration tasks including OS installation, service restarts, log review, and disk usage monitoring
- Conducted fiber optic testing and troubleshooting using OTDR and light meters for ISP and OSP environments
- Supported backhaul and fronthaul links to maintain high network availability
- Assisted with router and switch installations, patching, and connectivity verification
- Used Linux command-line tools to validate network reachability and diagnose packet loss
- Followed QA/QT procedures and ensured compliance before service handover
- Worked in industrial environments requiring ladder use, extended standing, and physical handling of equipment
Education
Master of Science - Computer Systems Technology
Western Illinois University
Macomb, IL06-2023
Bachelor of Science - Computer Science
Lovely Professional University
Jalandhar, India06-2021
Diploma In Electrical And Electronics Engineering - Electrical And Electronics Engineering
Sri Durga Devi Polytechnic College
Chennai, India06-2018
Skills
- Data Center Operations: Rack & stack servers, hardware replacement (HDD/SSD, RAM, NICs, PSUs), cable management, labeling, asset tracking
- Linux Systems:
Linux OS (Ubuntu, CentOS, RHEL) installation and basic administration
Command-line troubleshooting (ls, grep, top, df, du, chmod, systemctl)
Log analysis for hardware and network-related issues
User and permission management - Networking Fundamentals: OSI model, TCP/IP, PCP/IP addressing, VLANs, routing & switching concepts
- Network Devices: Routers, switches, patch panels, SFP/SFP modules
- Fiber Optics:
Single-mode & multi-mode fiber
Fiber termination, splicing basics, and patching
Fiber troubleshooting using OTDR and light meter
- Cabling & Infrastructure:
ISP (Inside Plant) & OSP (Outside Plant) cabling
Backhaul & fronthaul connectivity - Monitoring & Controls:
BMS (Building Management Systems) awareness
Power systems, inverters, and basic electrical safety - Testing & Quality: QA/QT checks, link validation, signal loss analysis
- Troubleshooting: Root-cause analysis, incident response, proactive issue detection
- Operational Readiness: On-call support, shift work (day/night), SLA adherence
Certification
- AWS Certified Solutions Architect – Associate
- Google IT Support / Linux Fundamentals
Timeline
IT Infrastructure Engineer
Kedar Info Tech (Client-Frontier Communications)
05.2025 - Current
Systems / Data Center Support Engineer
Virtusa Consulting Services Pvt Ltd (Client-Nxtra Data)
01.2020 - 08.2021
Master of Science - Computer Systems Technology
Western Illinois University
Bachelor of Science - Computer Science
Lovely Professional University
Diploma In Electrical And Electronics Engineering - Electrical And Electronics Engineering
Sri Durga Devi Polytechnic College