Hari Krishna Bibinagar

System Engineer with extensive experience at Tata Consultancy Services, excelling in AWS cloud
management and disaster recovery. Proven track record in enhancing change management processes, significantly
increasing closure rates. Adept at security patching and fostering team collaboration, driving operational excellence in
server management and Active Directory administration.

• Managed SIPCE/JIRA change, incident, and service requests in alignment with ITIL processes.
• Improved ticket closure rates by coordinating with application, network, and infrastructure teams.
• Administered Windows Server 2016/2019/2022 environments.
• Managed Active Directory users, groups, and Group Policy Objects (GPO).
• Performed Windows server patching, disk management, file transfers, and system monitoring.
• Provided L2/L3 support for Windows Server and Active Directory-related issues.
• Monitored system performance including CPU, memory, and disk utilization.
• Configured and managed Remote Desktop Services (RDS) and user access permissions.
• Managed AWS EC2 instances supporting Windows-based workloads.
• Created and maintained EBS volumes and AMI backups.
• Performed backup validation and recovery testing in AWS environments.
• Supported cloud resource provisioning and operational maintenance.
• Participated as a Disaster Recovery (DR) team member.
• Collected application dependency details including ports, URLs, and connectivity requirements.
• Verified DR-side configurations and supported DR drills and testing.
• Ensured backup availability and business continuity readiness.
• Transferred to Network Team and supported network security operations.
• Managed Panorama and F5 devices for firewall and traffic management.
• Performed firewall port openings and rule modifications as per change requests.
• Removed unused firewall rules to maintain security and compliance.
• Implemented SSL certificates and performed network configuration backups.
• Verified URL paths and performed network connectivity checks.
• Assisted in day-to-day network troubleshooting and operational support.
• Performed DNS changes, telnet connectivity checks, and security vulnerability mitigation.

• Served as an on-field supervisor for the Mission Kakatiya project, overseeing data collection and conducting surveys across various crop areas and water bodies.

Youth Mentor, ETS Magic Bus, Hyderabad, Helped the underprivileged children to participate in the sports activities in government schools.

• AWS Certified Solutions Architect – Associate
• Feedback Enabler Certification – TCS
• Xcelerate Warrior Certification – TCS
• Certified WINTEL Technologies – TCS

• Reading Books
• Carroms
• Cooking
• Carving Wood