Pratik Deepak Jagtap

Improved system performance through resource management. System operations associate L2 role with focus on advanced Linux server tuning and configuration adjustments. User and group management, file system maintenance, and process management. Installation, configuration, troubleshooting, and administration of Linux OS. Network security hardening and firewall configuration. VLAN and subnetting management for network segmentation. In-depth knowledge of TCP/IP, DHCP, DNS, HTTP/S, FTP, SSH, SMTP, NFS, and SMB protocols. Network performance monitoring. Docker container creation and management. Basic firewall management with ufw/iptables, SSH configuration, user authentication. Troubleshooting connectivity issues. Configuring network interfaces, time zone, locales, and hostname settings during OS installation. Diagnosing and troubleshooting system logs and services. Managing, maintaining, troubleshooting, and optimizing Linux systems in production environments.

Consultant with a focus on containerization and Linux administration. Docker container creation and management. Installation, configuration, troubleshooting, and administration of Linux OS. Managing partitions and file systems using Logical Volume Manager. Docker networking & troubleshooting. Deployment of application in container using Docker compose. Experience in OS Hardening and OS patching and close VAPT points. User Administration: Creation, Modification, Deletion, Managing permissions. OS installation in server and ILO configuration. Firewall Configuration & Management. Disaster Recovery. Configured sshd services, disabled root login, and enforced strong ciphers. Server Hardening. Regularly updated OS and software to close security vulnerabilities. Network performance monitoring. Firewall Management. SSL/TLS, SELinux, RAID, LVM, SAN, ZFS, FTP, Samba, SSH, NAT, DNS, IPTables, sshd, smtp, mailserver.

IT Infrastructure Engineer L2 with a focus on system management and troubleshooting. Managed and supported 24/7 production infrastructure across Linux and Windows servers, ensuring high availability and adherence to SLAs. Performed incident, problem, and change management activities, including root cause analysis and timely resolution of L2-level issues. Administered Linux servers (RHEL, CentOS, Ubuntu) including user management, file systems, LVM, service monitoring, and OS patching. Monitored infrastructure health using system tools and enterprise monitoring solutions; proactively identified and resolved performance issues. Configured and maintained network components such as DNS, DHCP, IP addressing, and basic firewall rules. Managed server builds, upgrades, and decommissioning following standard operating procedures and security guidelines. Implemented backup and recovery procedures using tools like rsync, cron, and enterprise backup solutions. Supported virtualized environments (VMware/Hyper-V) including VM provisioning, snapshots, and resource optimization. Assisted in security hardening, patch management, and compliance audits. Created and maintained technical documentation, SOPs, and runbooks for operational processes. Collaborated with L1 support, DevOps, and application teams to ensure smooth operations and faster issue resolution. Used ticketing tools such as ServiceNow/Jira to track incidents, changes, and service requests.