Sreenath Reddy

Overseeing network systems, servers, and security,recorded configurations for Firewalls, Switches, and Routers,supervised Global firewall monitoring and setup for cybersecurity

compliance,ensured top performance and security of network infrastructure

Deployed and configured VMware ESXi servers for virtualized infrastructure, ensuring performance and reliability; Managed VMware vSphere environment with ESXi hosts, virtual machines, and storage resources

Designed, implemented, and managed Zabbix monitoring for IT systems, apps, and services; Configured templates and alerts for proactive issue resolution and uptime maintenance

Installed, configured, and maintained Windows Server OS in physical and virtual environments; Managed Active Directory with user/group account management, group policies, and security permissions

Performed routine vulnerability scans on IT systems, networks, and applications using tools like Nessus, OpenVAS, or Green Bone Security; Analyzed scan results to detect security weaknesses and threats; Prioritized and escalated vulnerabilities based on severity.

Managing email systems (Zimbra, Kerio) for performance, reliability, and security; Administered user mailboxes, distribution lists, and policies for compliance; Implemented email security like spam filtering and malware protection

eployed antivirus software, ensured coverage and policy compliance; Monitored alerts and threat intelligence, took proactive risk mitigation measures; Managed Seqrite Endpoint Protection and Kaspersky Endpoint Security for endpoint and server protection

esigned, implemented, and maintained backup solutions for data protection and business continuity; Developed backup policies for data integrity and compliance; Managed backup software like HP LTO tape drives, GoodSync, and File Sync for SLAs and compliance

Managed log management systems for data collection, aggregation, and analysis; Deployed log collection agents for comprehensive coverage and visibility across IT infrastructure

• Initiated and managed network test facilities to verify network hardness and resilience.
• Monitored data transfer security to detect and prevent intrusion attempts and respond to DDoS attacks.
• Provided network support services for devices such as hubs, bridges, Switches,routers and other hardware.
• Contributed to implementation and support of SNMP monitoring software and other network monitoring tools.
• Created VPN infrastructure for 200 workers, allowing for secure remote connections.
• Monitored network capacity and performance to diagnose and resolve complex network problems.
• Provided detailed network diagrams, process flow charts and procedural guidelines.
• Performed virtual machine provisioning, VM priority setup and template cloning.
• Organized frameworks for transferring secure data from internal to external and public networks.
• Implementation and Configuration of Servers in DMZ
• Maintain Access Rules,NAT Rules and Routing protocols
• Configure and Maintain VLans and trunking
• Maintain and Analyze Network and Security Appliances Logs in Kiwi Log Server
• · Internal and external Penetration tests perform on network every 6 months and submit reports to clients
• · Isolated network environments for Clients according to their requirement
• Configuring and Maintain Firewalls (Sonicwall NSA 3600, FortiGate 500 to 700 Series
• Configure Switches,Routers and Firewalls
• Managed, tracked and coordinated problem resolution and escalation processes.

• AD Administration
• Server creations - Creating Domain controller from Scratch.
• GPO, Delegation, DSRM
• DNS/DHCP/WDS
• Replication, Faults , Child and Subdomains
• Regular AD Backup
• Created patches and solutions to fix bugs in existing applications.
• Provided comprehensive training to internal and off-site users to optimize systems maintenance and resolve recurring issues.
• Provided technical interpretation regarding network, software, configuration and architecture oversight.
• Created and administered profiles and accounts, also maintaining systems documentation.
• Designed and evaluated WAN,LAN and DMZ connectivity technologies
• Kaspersky End Point Security Updates
• Maintain Mail Servers (Kerio)
• Exposure to Ticketing tools like Spiceworks it helpdesk
• Data Backup to Cloud Everyday
• Created and administered profiles and accounts, also maintaining systems documentation
• Performed software installations and OS upgrades to support layered software packages
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• Maintained inventory of installed desktop hardware and software components to keep records accurate and updated.
• Relocated and configured desktop computer devices and phones to facilitate office moves and new employee workstations.
• Configured and installed computer systems for other sub-organizations.
• Checked and monitored system performance to maintain system integrity and documented and reported alerts.
• Patched software and installed new versions to eliminate security problems and protect data.
• Configured hardware, devices and software to set up work stations for employees.
• Collaborated with vendors to locate replacement components and resolve advanced problems.
• Coordinated with systems partners to finalize designs and confirm requirements.
• Installed new or upgraded hardware and software and coordinated installation and follow-up with user to achieve customer satisfaction.
• Maintained servers and systems to keep networks fully operational during peak periods