Kannan Athmanathan
Cybersecurity Engineer
About
Driven Cybersecurity Engineer with over 3 years of experience in IT security and system administration. Skilled in network security protocols, incident response, and firewall management, with expertise in cloud services like AWS and Cloudflare. Known for implementing security measures that reduce risks and enhance system reliability. Certified by Fortinet and Google, committed to strengthening security posture and safeguarding data integrity. Proficient in the Linux command line, SQL, Python, and SIEM tools for security monitoring, with hands-on experience at TryHackMe and Cybrary. Experienced with firewall management, cloud services, and the implementation of security controls to protect critical assets.
Skills & Expertise (14)
Work Experience
System Administrator L2
Vajro India Pvt Ltd.
4-2022 - Present
Led IT security operations, including firewall management, endpoint security, and network monitoring. Implemented role-based access control (RBAC) and password policies, enhancing security measures. Configured and monitored SIEM tools (Elastic SIEM, Wazuh, Splunk) to detect and respond to security threats. Conducted vulnerability assessments (Tenable Nessus) and collaborated with developers to remediate risks. Deployed and managed email security protocols (SPF, DKIM, DMARC), reducing phishing risks. Administered Google Workspace, MS 365, Slack, and Zoho One for secure identity and access management. Maintained AWS security configurations (Route 53, CloudTrail, CloudFront, ECR, ECS, App Runner) for cloud security monitoring. Monitor API errors and application failures using Datadog and AWS CloudTrail for security visibility. Led secure DevOps deployment operations using Jenkins, AWS ECR, ECS and App Runner. Managed internal business services (IBS) within the Zoho One ecosystem (Zoho CRM, Zoho Desk, Zoho Vault, Intercom), implementing custom workflows. Configured MAC filtering, load balancing, routing, and SD-WAN policies to optimize network security
Education
M.Sc., Cyber Forensics & Information Security
2021 - 2023 · India
Certifications
Certified Information Security Manager (CISM)
Cybrary · 2024
Managed security incidents, reducing downtime and mitigating potential breaches.
