Diwakar S

Experience

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  Nashsoft systems

  Jan 1998 - Jan 2000

  Engineer

  Installation of Antivirus and Maintenace of PCS

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  ACS Technologies Limited

  Aug 2000 - Jul 2002

  Sr.Customer Support Engineer

  • Independent cluster installation, site planning, Maintenance and Support of LAN and WAN• As a resident engineer at EASTERN NAVAL COMMAND,Visakhapatnam, responsible for maintaining hardware from PCs to printers, troubleshooting of TCP/IP networks, hubs, and switches.• Providing satisfactory customer support by solving the problems in time.• Experience in handling Systems like IBM, COMPAQ, HCL, PCL, HP, SIEMENS, Wipro Dell, Digital Servers and Desktops.

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  Primus Telecommunications India Ltd

  Dec 2002 - May 2004

  Customer Support Engineer

  • Looking into the daily administration and maintenance of Linux/NT-based Internet Servers, Router’s (800,1700,2500,2600,3600 Series), Leased Circuits, Installations of Linux/NT servers, Network related issues, Services including SMTP, MAIL/DNS& Traffic monitoring/analysis and support.• Establishing Radio Links, Leased lines between our offices to customer end.• Maintaining both of Uplink/Downlink (KU band dish) and Downlink(C band dish) with all accessories like Modulators, Demodulators, Radio Modems and leased line modems.• Coordinating with DOT engineers & officers for implementing the leased lines and ISDN lines.• Network designing, installation and maintenance of a variable subnetted Local Area Network, Which utilizes Ethernet hubs and switches Show less

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  TATA Communications Ltd. (fka VSNL)

  May 2004 - Nov 2006

  Sr. Network Engineer (Networks / Security)

  • Led a team of 4 engineers responsible for ISP Network Infrastructure and IDC• Implementation/customization of ISP applications • Security Assessment and Implementation of ISP/IDC Environment• Implementation of Systems Security on RS/6000 (AIX), Windows 2000 and Linux• Configuration, Maintenance and Customization of MRTG server.• Configuration of ISP devices like 3COM RAS.• Configuring Cisco Routers, switches, Leased Line Modems, Radio Modems and VoIP devices.• Analysis, designing and implementation of LAN and WAN connectivity including • Setting up of firewalls and Networking according to customer requirements.• Creating VLANs in L2/L3 switches as per the requirements Show less

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  Nokia India Ltd , Hyderabad

  Nov 2006 - Dec 2009

  QA Lead

  Through Satyam Computer Services Ltd., Hyderabad & Innominds Software Pvt Ltd Project – Checkpoint VSXRoles and Responsibilities• Led team of 6 members responsible for Nokia Virtual firewall testing• Review product design to ensure requirements were met • Helping the team members in designing of topology and writing test cases such that all corners of the each feature was covered under testing• Execute functional testing of core modules like IPSec, VRRP on Checkpoint Firewall• Interacting with developer and understanding criticality of the module and testing based on their inputs• Co ordination with different global teams and developers• Reporting of status weekly and stage wise to project manager and maintaining of test results.• Regression testing of the features and cross functionality testing before final release.• Review of work and taking inputs from superiors and implementing those suggestions.• Motivating the team members for better outcomes from the project. • Working on interoperability testing of routing & Switching on Cisco devices• Simulating the customer scenarios Show less

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  Cisco Systems india (p) Ltd

  Jan 2010 - Sept 2018

  Sr.Software Engineer
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  Hewlett Packard Enterprise

  Feb 2019 - now

  Senior Software Engineer