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
NarsipatnamSkills
Firewall management tools
Multi-User System Management
VMware Administration
Storage Administration
Voice over IP
Devops(Ansible, Puppet)
Scripting Languages (Bash, Python)
Data backup and recovery systems
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