Sonumon S

Build and install computer infrastructure, which encompasses hardware, servers and VMs, using VSphere in the On premise Cloud infrastructure of VMware.

Managed User accounts, access control, managing storage, memory and other security settings.

Maintained the Jenkins/Salt stack patch management infrastructure, including configuration, monitoring, and troubleshooting of patch deployments.

Plan and schedule regular patching activities, ensuring minimal impact on production systems and maximum-security compliance.

Monitor and analyze patch management metrics and reports, proactively identifying areas for improvement, and recommending and implementing enhancements to optimize patch deployment processes.

Proactively installed monthly Microsoft security updates, releases for over 1600 windows servers using automation tools like Salt stack and Jenkins using PowerShell scripting.

Installed and upgraded firmware tool VMTools and VM hardware tools, Splunk using automation tools.

Automation in system administration tasks like C drive cleanup, Installing Salt Stack agents using PowerShell scripting.

Monitored VMs, DAAS health, alerts for servers’ issues, troubleshooted windows server issues, managed and analyzed access control.

DFS, shared drive access control, VC management over on-premises cloud.

Provided Technical Support to clients over email and tickets, screensharing.

Analyzed root cause for VM downtimes and DAAS issues.

Managed a central team, conducted one-2-ones, performance reviews, developed training plans, quality assurance, coaching and mentoring.

Worked closely with the team to identify continual service improvements which link to the Service Team strategy.

Have deputized for Manager. Worked closely with management, project Management.

Reviewed, updated policies and standard operating procedures; monitored if changes are implemented and followed by Team.

Worked closely with Compliance, Security, Quality, Problem management, TechOps, Projects, to ensure respective areas are being applied as required timely and in case of handover of support.

Shown customer and senior members high level of confidence in support of their solution.

Developed, Improved/Updated Central technical knowledge articles and documented companywide.

Have challenged ways of work, have created practical solutions driving efficiency.

Prioritized and diagnosed incidents according to agreed procedures. Investigated causes of incidents and got to resolution and escalated unresolved incidents. Documented and closed, resolved incidents and service requests.

Have Initiated and monitored actions to investigate and resolve problems in systems and IT services, using the problem management process. Have Determined problem fixes/remedies if in case is in L1, L2, L3 work areas.

Acted as an escalation point for all complex incidents and requests from companywide.

Lead a 5-member system admin team for the company. Managing their task and lead the teamwork.

Install, configure, and maintain windows and Linux OS/Server (Ubuntu 16/18/20 Cent OS) with or without VM.

Installed software and hardware for automation projects. Prepared IT systems including Network access points, extenders, scanner, and printers for IOT based robotic projects.

Worked on servers-Apache Tomcat, Mongo DB server, Windows 2012 installations, worked on Ubuntu 16.4 server (Installation and troubleshooting)

Created Google Suite user accounts, email Ids, active directory account.

Monitoring servers through tools like Zabbix server, space, downtime, uptime, service downtime.

Troubleshoot issues and server/application outages at client and company.

Cyberoam and Kaspersky Administrator: - Web filtering and categorizing, application filtering, managing DHCP, DNS, NTP server through the firewall, Antivirus policies, Site to site IPSEC, SSL VPN as per the customer requirement. Installation and post support for security services such as Firewall (Cyberoam), Antivirus, DLP (Kaspersky, Symantec, TrendMicro).

Office 365 Global Administrator: -

Azure Active Directory, PowerShell, mailflow, Maibox rules, disclamer setup, MFA.

VMware Administrator:- Supported Infrastructure for Data Center Virtualization (VMWare), VM client EsXi 5.1, Windows Server domain (2008R2 & 2012R2).

Active Directory:

Responsible to Manage AD password reset, modifying AD attributes, providing rights as per the requirement once approved, Exporting AD reports if required using Power Shell scripts:

Adding new users, deleting users and providing permissions (USB, Internet proxy groups). Setting the password policy, disabling accounts responsibly.

Scripting\ Command line:

Developed scripts using power shell and visual basics/command line for quick AD functions like changing AD attributes, add/remove functions, bulk disabling accounts which resulted in time efficient and effective improvements.

Remote Monitoring:

PRTG, IP MONITORING reporting tools for network activity like bandwidth graphs and system’s monitoring. UPS monitoring and reporting.