Summary
Overview
Work History
Education
Skills
Websites
Certification
Training
Hobbies and Interests
Languages
Timeline
Generic

Tejesh Meher Jakkam

Visakhapatnam

Summary

Experienced Network & Security Operations Engineer with over 4 years of hands-on experience in managing, monitoring, and troubleshooting large-scale enterprise and SCADA/ICS networks. Skilled in L2/L3 networking, incident response, SLA-based alert resolution, and cloud infrastructure support (AWS/GCP). Proficient in network automation, security protocol implementation, and multi-vendor environments including Fortinet, Cisco, Juniper, and Arista. Certified in ISO 27001 Lead Auditing, CCNA, and CompTIA CySA+, with a strong track record of delivering network uptime, reliability, and operational excellence.

Overview

7
7
years of professional experience
1
1
Certification

Work History

IT Infra and Cyber Security Specialist

GE Vernova
Noida
09.2023 - Current
  • Successfully performed Site Acceptance Testing (SAT) for the implementation of SCADA & Energy Management System (EMS) at Power Grid Company of Bangladesh, ensuring system reliability, data accuracy, and operational readiness of the national grid infrastructure.
  • Completion of Factory Acceptance Test(IT Infra and Cyber Security) of Nepal Electricity Authority phase II Design, Supply, Installation, Integration, Testing and Commissioning of Substation Automation System (SAS) for Existing Grid Substations of six grid division office across Nepal.
  • Establishment of IT Infrastructure and Cyber Security hardening of SCADA supported Distribution Control Center for Ceylon Electricity Board Western Province.
  • Successfully designed the network architecture for Odisha Power Transmission Ltd, enhancing their operational efficiency and reliability.
  • Configured and maintained network monitoring using ManageEngine OpManager; handled patch management via Patch Manager Plus and Endpoint Central; deployed and managed endpoint security solutions including Trend Micro Apex One and Deep Security Manager.
  • Led deployment of control center network infrastructure, including routing, switching, OSPF, and firewall configurations; implemented ICCP communication between main and backup control centers and established RTU-to-CFE server communication across substations.
  • Configured and managed Active Directory infrastructure, including DNS services and Group Policy Objects (GPOs) for centralized user, security, and system management.
  • Performed vulnerability scanning using Nessus, analyzed and mitigated critical findings; executed security hardening of network infrastructure by implementing AAA (authentication, authorization, accounting), enabling centralized logging (syslog), shutting down unused ports, disabling insecure services, enforcing password policies, applying firmware/patch updates, and securing management access (SSH, SNMPv3).

Key Projects

  • Nepal Electricity Authority – Phase II
    Design, Supply, Installation, Integration, Testing, and Commissioning of Substation Automation System (SAS) for existing grid substations across six grid division offices in Nepal.
  • Ceylon Electricity Board (Sri Lanka)
    IT Infrastructure setup and cybersecurity hardening of SCADA-supported Distribution Control Center for the Western Province.
  • ULDC Phase-III – Northern Region (GRID INDIA and State Utilities)
    SCADA/EMS upgradation for SLDCs and RLDC including NRLDC (GRID INDIA), DTL, HVPNL, HP, J&K PDD, UP SLDC, PTCUL, BBMB, PSTCL, and RRVPNL.
  • ULDC Phase-III – Eastern Region (GRID INDIA and State Utilities)
    SCADA/EMS upgradation for SLDCs and RLDC including ERLDC (GRID INDIA), WBSETCL, DVC, OPTCL, SIKKIM, BSPTCL, and JUSNL.
  • SLDC cum REMC – UT of Ladakh
    Establishment of State Load Dispatch Centre (SLDC) cum Renewable Energy Management Centre (REMC) for Power Development Department, UT of Ladakh.
  • STAMC – OPTCL
    Establishment of State Transmission Asset Management Centre (STAMC) for remote control and monitoring of grid substations.
  • HPPTCL Joint Control Centre
    Supply, Installation, Testing, and Commissioning of Main and Backup Joint Control Centres for remote operation and control of substations on a turnkey basis.

Network Engineer

Sify Technologies
Hyderabad
07.2020 - 08.2023
  • Supported daily network operations for enterprise and service provider clients, resolving critical alerts within SLA.
  • Handled incident response and post-incident review reports for network outages.
  • Maintained and monitored routing protocols (BGP/OSPF) and traffic flows using Wireshark/NMS tools.
  • Engaged with Fortinet, Cisco, and Juniper devices for ACLs, VPNs, firewall rules, and NAT configurations.
  • Participated in audit & compliance reviews, especially around ISO 27001 and network segmentation.
  • Configured L3 interfaces and provided tier-2 troubleshooting on issues ranging from peering to cloud connectivity.

Project Trainee

IBM Corporation
Hyderabad
05.2019 - 07.2019
  • Gained experience in Blockchain Technology and its application in the Healthcare industry.
  • Known about Blockchain platforms like Hyperledger, Ethereum.

Education

B.Tech - Computer Science Engineering, Cyber Security and Forensics

University of Petroleum And Energy Studies
Dehradun
01.2020

Senior Secondary Certificate -

Ascent Junior College
Visakhapatnam
01.2016

Secondary School Certificate -

Vignan Vidyalayam High School
Visakhapatnam
01.2014

Skills

  • Wireshark
  • Network Architecture
  • Log Analysis
  • CISCO packet tracer
  • Putty
  • Nmap
  • NMS
  • Firewall
  • Routing & Switching
  • Patch Management
  • Anti-virus
  • IDS & IPS
  • SIEM
  • Endpoint Protection
  • Security Policy
  • Python
  • Bash
  • Shell scripting
  • Site acceptance testing
  • Network architecture design
  • Incident response
  • Cybersecurity hardening
  • Network monitoring

Certification

  • CISCO Certified Network Associate (CCNA) Routing and Switching
  • IRCA Certified ISO 27001:2013 LA
  • CompTIA Cybersecurity Analyst plus (CySA+) certified

Training

  • ICSI CNSS(certified network security specialist)
  • CompTIA Cybersecurity Analyst plus (CySA+)
  • CISCO Certified Network Associate Training

Hobbies and Interests

  • ISMS
  • IDS/IPS
  • Network security
  • Compliance
  • IT Audit
  • Photography
  • Sports
  • E Sports/Gaming

Languages

Telugu
First Language
English
Proficient (C2)
C2
Hindi
Intermediate (B1)
B1

Timeline

IT Infra and Cyber Security Specialist

GE Vernova
09.2023 - Current

Network Engineer

Sify Technologies
07.2020 - 08.2023

Project Trainee

IBM Corporation
05.2019 - 07.2019

B.Tech - Computer Science Engineering, Cyber Security and Forensics

University of Petroleum And Energy Studies

Senior Secondary Certificate -

Ascent Junior College

Secondary School Certificate -

Vignan Vidyalayam High School
Tejesh Meher Jakkam