Summary
Overview
Work History
Education
Skills
Timeline
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Prasanna Kumar Mallampati

Sr. System Administrator
Hyderabad,TG

Summary

Seasoned System Administrator with 8+years background in Information Technology. Progressive experience marked by continuous contributions above and beyond requirements. Career achievements in large-scale network & system buildouts, data security & integrity.

Overview

8
8
years of professional experience

Work History

Sr. System Administrator

DDI Visuals Pvt Ltd
Hyderabad, Telangana
08.2017 - Current
  • Complete setup of Network infrastructure and maintenance of Layer 3 devices as well as security devices.
  • Handling Storage, Servers and Network & Security equipment in the infrastructure
  • Site to Site VPN setup for (IPSec VPN) for other Locations.
  • NetApp storage Monitoring and Administration (Ontap-9)
  • Building, configuring VMware ESXI cluster along with Vsphere.
  • Network penetration testing on regular basis and reporting findings to management and concerned product owners for assessing and mitigating threats.
  • Handing Avaya VOIP devices within infrastructure.
  • Building network infrastructure as per compliance requirements of various Information security audit processes (MPAA, TPN, Disney).
  • Working closely with Software and Pipeline teams as infrastructure is setup as PAAS infrastructure.
  • Automating daily tasks using various DevOps tools like Ansible and puppet.
  • Maintain backups of active device configuration and make sure periodical back up are updated.
  • Worked on wide range of Network devices such as Juniper SRX series firewalls, Brocade ICX Switches (Layer 3), Brocade MLX Switches (Router/ Core Switch), Cisco Managed Switches, Mellanox.
  • Worked in infrastructure with 24/7 data center with wide variety of Networking, Server and Storage equipment.
  • Working with counterparts in various locations to get optimal solution for problems faced in infrastructure.
  • Working with centralized ticketing system to provide teams with adequate knowledge on regular issues faced within organization.
  • Worked on Windows 2012R2, 2016, Centos, Kali Linux, Ubuntu, VMware, Red Hat

System Administrator

Doctus Software Solutions
Hyderabad, Telangana
06.2014 - 08.2017
  • Handling of day-to-day issues within organization and finding opensource solutions for day-to-day IT activities.
  • Knowledge in AD architecture and infrastructure (LDAP, Directory Replication, group policy, security, schema changes, et al.)
  • Work with Forests and Domains; Restructuring Forest. Maintaining Group Policy infrastructure based on policies and guidelines provided.
  • Assist with implementing solutions for hardware and software. Implement common preventive maintenance practices for hardware and software.
  • Providing Managed IT solutions for various clients and working on site when remote handling is not possible.
  • Working closely with infrastructures audited by ISO and HIPAA guidelines.
  • Working mostly on Windows servers (AD, Exchange servers, Antivirus, log servers). Working with different infrastructures as a standby engineer (Clients include Rainbow hospitals Pvt ltd., Keerthi Industries Pvt Ltd., Kria Health Care Pvt Ltd.)
  • Worked on Office 365 administration and local Exchange server management

Education

Bachelor of Technology - Electrical And Electronics Engineering

Avanthi Institute of Engineering And Technology
Narsipatnam

Skills

    Firewall management tools

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Timeline

Sr. System Administrator

DDI Visuals Pvt Ltd
08.2017 - Current

System Administrator

Doctus Software Solutions
06.2014 - 08.2017

Bachelor of Technology - Electrical And Electronics Engineering

Avanthi Institute of Engineering And Technology

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Prasanna Kumar MallampatiSr. System Administrator