Karthikeyan M

Experience

• 

  Hitachi Systems Micro Clinic

  Feb 2014 - May 2017

  Customer Support Engineer

  • Set up systems, installed software, and troubleshot hardware and software issues.• Provided end-to-end technical support for hardware and software issues.• Successfully maintained system performance through regular updates and troubleshooting. Administered systems remotely using tools like Kaseya.• Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.

• 

  Hitachi Payment Services Pvt. Ltd.

  May 2017 - now

  • Designed and tested comprehensive incident response playbooks, enhancing breach response by 20%.• Led 10 members, overseeing customer engagement, knowledge transfer, and BAU task execution in a 24/7SOC environment.• Ensured SLA compliance, managed task distribution, reviewed incident reports, resolved escalations, and addressed compliance and audit requirements. • Monitored emerging technologies to identify and implement improved security measures. • Conducted investigations on SIEM dashboards, fine-tuned rules to reduce false positives, and resolved operational and administrative issues.• Trained and mentored junior engineers, fostering team development and efficiency.• Performed log audits, identified gaps, provided recommendations to clients, and strengthened their security posture through improved controls. Show less • Managed a team of 6 members, overseeing customer engagement, knowledge transfer, and BAU task execution in a 24/7 SOC environment.• Reviewed compromised emails, managed access controls, and participated in routine communications with leadership, clients, and teams.• Generated detailed reports and dashboards, enabling effective decision-making.• Created and reviewed SOPs, playbooks, and Run Books, while mentoring team members and driving skill development to strengthen operational efficiency. Show less

  • Assistant Manager

    Apr 2022 - now

  • Teamleader - Information Security

    Apr 2021 - May 2022

  • Information Security Engineer

    May 2017 - Mar 2021