May 2011 – Aug 2024 · 13 yrs 3 mos · Bangalore, India · On-site

• Architected and Established an enterprise-wide Customer Identity and Access Management (IAM) solution that managed over 20 Million user identities, enhancing security compliance and increasing availability by 99.99%.
• Developed a comprehensive incident management framework that saves user time and effort by automating log-based incident detection, analysis, remediation, and integrating tracking and notifications through a ticketing system.
• Developed self-service tools for select incident resolutions and maintained comprehensive playbooks for all known incidents, streamlining admin tasks, improving communication, and facilitating onboarding of new team members.
• Collaborating closely with our security and change team to ensure timely patching of all systems and addressing zero-day vulnerabilities promptly.
• Improved team security posture by eliminating local accounts in favor of AD user and service accounts, segregating access for different environments, enhancing SUDO access for better auditability, and implementing birthright access for faster onboarding of new team members.
• Architected and established an enterprise-wide Messaging and IM solution for 20K Employees, enhancing security compliance and increasing availability by 99%.
• Set up Linux patch management to ensure production systems run stable versions and non-production systems run the latest versions.

Jun 2008 – May 2011 · 2 yrs 11 mos · Bengaluru, Karnataka, India · On-site

• Oversee AOL web servers, middleware, and backend applications, ensuring optimal performance, security, and uptime
• Release management and automate code deployments using Shell and Perl scripting, reducing deployment times by 50% and minimizing errors
• Collaborate with cross-functional teams to troubleshoot production issues and successfully deliver projects on time, improving overall system reliability and project efficiency

Jan 2007 – Jun 2008 · 1 yr 5 mos · Chennai, Tamil Nadu, India · On-site

• Efficiently resolve incidents for a diverse client base, ensuring timely solutions and maintaining high customer satisfaction ratings
• Resolve problem tickets by implementing permanent solutions, reducing the volume of incident tickets by 30% and improving system reliability
• Develop and maintain comprehensive runbooks to streamline incident response processes, enhancing team efficiency and reducing response times by 20%

Jul 2003 – Jan 2007 · 3 yrs 6 mos · Chennai, Tamil Nadu, India · On-site

• Contributed to the construction of a mobile data center for remote data processing, enhancing data accessibility and operational efficiency in off-site locations
• Administer Sun Systems, SGI IRIX, Unix/Linux servers, tape archive systems, and high-capacity printers and plotters, ensuring optimal performance and reliability
• Install and administer network devices, including routers, switches, and firewalls, to ensure robust and secure network performance