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Rajiv Sharma

Network Administrator

Phone: 7987987978
Email: test123456@gmail.com
Location: Kanpur – 208001, Uttar Pradesh, India

Professional Title

Experienced Network Administrator Driving Operational Excellence

Career Objective

To leverage my extensive technical skills and experience in network administration to effectively manage and optimize complex IT infrastructures, ensuring seamless network connectivity, security, and performance for the organization.

Work Experience

Network Administrator
HCL Infosystems Ltd., Kanpur, Uttar Pradesh
August 2020 – Present

  • Administer and maintain network infrastructure for 400+ users across multiple departments.
  • Configure and manage Cisco routers, switches, firewalls, and VPN connections.
  • Implemented VLAN segmentation and access control, improving network security by 35%.
  • Monitor network performance and reduce downtime through proactive maintenance.
  • Ensure data security, system availability, and compliance with IT policies.

Network Support Engineer
Tata Consultancy Services (TCS), Uttar Pradesh
June 2018 – July 2020

  • Supported enterprise LAN and WAN environments and resolved network connectivity issues.
  • Assisted in server configuration, patch management, and security updates.
  • Troubleshot routing, switching, and firewall-related incidents.
  • Provided technical support and documented network configurations.

Education

Bachelor of Technology (B.Tech) – Information Technology
Dr. A.P.J. Abdul Kalam Technical University, Amode
Lucknow, India
Completed: April 2018
Academic Performance: 95%

Key Skills

  • Active Directory and Group Policy
  • Network Security and Access Control
  • Backup and Disaster Recovery

Core Competencies

  • Network Administration and Monitoring
  • LAN, WAN, VLAN, and WLAN
  • Routing and Switching (Cisco)
  • Firewall Configuration (FortiGate, Cisco ASA)

Accomplishments

  • Reduced network downtime by 30% through proactive monitoring and preventive maintenance.
  • Successfully migrated on-premise servers to upgraded infrastructure with zero data loss.
  • Strengthened network security policies, reducing unauthorized access incidents.

Certifications

  • Cisco Certified Network Associate (CCNA)
  • CompTIA Network+
  • Microsoft Certified: Windows Server Fundamentals

Technical Tools

  • Cisco Packet Tracer
  • Wireshark
  • SolarWinds
  • Nagios
  • PuTTY
  • VMware
  • FortiGate Firewall

Personal Information

Country: India

Position Overview

The Network Administrator is responsible for managing, maintaining, and securing an organization’s IT network infrastructure. This role ensures seamless connectivity, optimal network performance, data security, and minimal downtime by proactively monitoring systems, configuring network devices, and implementing security policies. The position requires strong technical expertise in routing, switching, firewalls, servers, and troubleshooting enterprise-level networks.

Company Overview

HCL Infosystems Ltd. is a leading Indian IT services and solutions provider offering end-to-end technology services across infrastructure management, system integration, networking, and enterprise solutions. The company supports large-scale organizations by delivering reliable, secure, and scalable IT environments that enable business continuity and digital transformation.

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