Suman S Rai

Client: Dell

• Monitoring virtual machines, AWS instances, and on-premises servers using Zabbix and Prometheus for effective monitoring and troubleshooting.
• To provide end-to-end production IT infrastructure monitoring.
• Actively participated in incident management, problem management, and change management processes based on ITIL concepts.
• Actively working on enabling and disabling hosts from monitoring tools like Avantra, Zabbix, and Prometheus.
• Actively working on post-patching verification on prem servers and taking necessary steps.
• Installing and configuring monitoring tools like Zabbix and Xstream on remote servers.
• Monitoring of internal servers on a day-to-day basis and performing smoke tests.
• Updating patches.
• Installation and configuration of the xstream portal, adding servers, configuration tuning of servers, and performing smoke tests.
• Monitoring and resolving the issue that is raised through the ServiceNow portal.

• Providing technical support for the issue raised by the customer.
• Understanding the customer issues, and by remote access, analyzes the logs of software from the backend, and provides the solution without impacting the business.
• Application installation, configuration, and performing maintenance activities (DB maintenance, disk space)..
• SSL Certificate Deployment with CSR, PEM, keystore, and JKS file generation.
• Deployment packages asterisk version 1.3, 1.6, and 13 for calling purposes, and configuration SIPs like Airtel, TATA, Jio, and BSNL.
• Installing web servers (Apache Tomcat, Nginx).
• Disk management: LVM creates and reduces operations.
• Maintaining the system and monitoring the server performance using performance monitoring tools.
• Good knowledge of identifying and analyzing logs in Asterisk and application logs.
• Troubleshooting SIP issues, fetching data from the database, and solving problems.
• Following standard procedures for the proper escalation of unresolved issues to appropriate internal teams.
• Provided technical support to customers for product installation, configuration and troubleshooting issues.
• Generated comprehensive manuals that outlined how users should interact with supported products.

Linux Admin:

• Installed and configured application server software, optimizing performance and monitoring systems.
• Developed scripts and managed cron jobs to automate application deployment processes.
• Monitored application logs for Tomcat, Node.js, and Java to ensure functionality.
• Analyzed system logs for identifying potential issues with network components or user accounts.
• Provided technical support for Linux-based systems including troubleshooting of server applications and hardware issues.
• Monitored system performance and implemented necessary changes to maintain optimal utilization of resources.

Database Admin:

• Proficiency in database software setup and fine-tuning of database server configurations.
• Database logs configuration, rotation of logs, and monitoring of logs.
• Creation of database, instances, table space, data files
• Expertise in database replication, replication setup, replication evaluation, and monitoring.
• Developed and executed backup and restoration activities utilizing scripts for comprehensive database backups
• Checking backup logs, creating schema, user creation for the database, and monitoring of database logs on a daily basis; logs monitoring using PgBadger (PostgreSQL, MongoDB, MySQL).
• Performed MySQL backup and recovery, export, and import.
• Researched and resolved database problems, and provided 24/7 support.
• Providing technical details to developers, technical support for databases, including system management.

Load balancer (F5 Big IP, Nginx, HA Proxy):

• Experience in load balancing, round-robin algorithm for distributing requests, configured LB rules, and pool creation for user requests for redirecting a particular domain site.
• Installing, creating, and configuring Nginx.
• Created configuration files for each client and installed SSL certificates for all domains.
  Configured domain pointing for virtual servers to ensure optimal performance.
  Managed website hosting to provide reliable uptime and accessibility.

Active Directory configuration:

• Group policy management, user management, and pushing patch updates through WSUS.
• Created user accounts in Active Directory and managed user access rights with appropriate security privileges.