KRISHNAKUMAR SRINIVASAN
Toronto
Summary
Cybersecurity professional with a Post-Graduate Certificate in Cybersecurity and Computer Forensics, and hands-on experience in threat detection, vulnerability management, and network security. Proficient in tools such as Wireshark, Nmap, Suricata, and Azure AD. Strong background in incident response and securing enterprise systems through effective access control, and cross-functional collaboration.
Overview
3
3
years of professional experience
1
1
Certification
Work History
NOC Engineer
Sify Technologies Ltd
09.2020 - 06.2023
- Optimized telecom network solutions, enhancing system uptime and reducing disruptions by 25%, ensuring secure data transmission across diverse platforms, and maintaining 24/7 availability for mission-critical systems.
- Successfully managed network performance, operational health of customer sensors and scanners, identified issues, managed risk, and applied innovative troubleshooting techniques, resulting in a 20% increase in operational efficiency and sales.
- Prioritized & resolved technical challenges for OTT clients (Google, Amazon, Facebook) by delivering custom solutions through collaboration with ServiceNow and Jira which improved development of service reliability and increased customer retention by 25%.
- Established and maintained fiber optic infrastructure, providing high-speed, reliable, and secure internet to over 500 clients in a rapidly growing market, ensuring industry-standard security protocols.
- Managed workload by proactively addressing incoming alerts, leading investigations, and effectively communicating technical issues, while collaborating with cross-functional experts.
- The individual collaborated with international telecom providers to securely manage cross-border data transmission and global connectivity, ensuring seamless service delivery, and system integrity.
- Designed and implemented telecommunications systems for optimal performance and reliability.
- Maintained documentation of system configurations, updates, and changes for compliance purposes.
Education
Post Graduate Certificate - Cybersecurity, Computer Forensics
Lambton College
Mississauga, ON04.2025
Bachelors - Electronics, Communication Engineering
Sastra University
INDIA05.2020
Skills
- Windows
- Cybersecurity protocols
- Technical troubleshooting
- Network optimization
- Data analysis
- Communication skills
- Risk management
- Linux
- Mac OS
- Microsoft Office 365
- Excel
- Power Point
- Word
- Outlook
- Visio
- Active Directory
- Hyper-V
- VirtualBox
- VMware
- Suricata
- Snort
- Autopsy
- Santoko
- ServiceNow
- Jira
- Wireshark
- Nmap
- Nessus
- Routing and switching
- OSI model
- TCP/IP
- VLANs
- IDS/IPS
- DHCP
- DNS
- AWS
- Azure
- Huawei U2000
- Ciena One control
- BPMCP
Certification
- CompTIA Security + (Preparing)
- (ISC)2 Certified in Cybersecurity
- NSE 1 Network Security Associate
- Cisco Certified Network Associate (CCNA)
Projects
- Access Management using Azure Active Directory: Designed and implemented a secure access management system with Azure AD, centralizing identity and access control for 100+ users, ensuring compliance with security policies.
- Deployed Multi-Factor Authentication (MFA) for critical applications, reducing unauthorized access risk by 40%.
- Established role-based access control (RBAC) to assign appropriate access levels based on job roles, minimizing unnecessary permissions.
- Monitored and audited user activity through Azure AD tools, detecting and mitigating security threats in real time which helped for the growth of the project.
Languages
English
Professional
Tamil
Professional
Telugu
Limited
Timeline
NOC Engineer
Sify Technologies Ltd
09.2020 - 06.2023
Post Graduate Certificate - Cybersecurity, Computer Forensics
Lambton College
Bachelors - Electronics, Communication Engineering
Sastra University