Sukumar Subramani
Summary
15 years of experience in the field of IT industry. (8 + years in banking and financial sector) General systems administration responsibilities include installation, configuration, operations and maintenance of Windows servers/IIS/VMware vSphere, Azure Cloud and enterprise software, systems diagnostics and troubleshooting including analysis of ongoing performance, capacity planning, and system/network interaction. Good understanding and troubleshooting skills in a large-scale enterprise network infrastructure
Overview
18
18
years of professional experience
Work history
Systems engineer
Abu Dhabi Commercial Bank
Abu Dhabi
06.2021 - Current
- L3 Technical support services for Windows Servers
- Managing and administering 1100 Windows Servers
- Planning Disaster recovery and Systems High-Availability
- Fine Tuning the Infrastructure (Sizing, Performance, Cost, DR, HA, Updates, Monitoring)
- Technical support for IIS Web servers and hosted web sites
- Building standard Security hardening baseline Policy as per CIS benchmark
- Implementing Security baseline through Group Policy
- Managing Active Directory Organizational Units, Group Policy, Computer Objects
- Complete analysis of vulnerabilities, providing solutions and remediation
- Configuration, management and troubleshooting on Active/Passive clustered servers
- Server Security to include maintaining most current OS MS patches, Symantec Antivirus and OS Hardening
- Managing Tier 2 PKI Infrastructure
- Handling high priority incidents, changes, tasks, problem tickets using BMC Remedy tool
- Providing RCA for business impact issues
- Managing CIFS NAS shares, volumes, NFS servers and creating secured folder structure
- SSL certificate binding and configuration in IIS servers
- RDS license installation and configuration
- Upgrading VM tools on Windows Servers on regular basis
- Windows Server performance fine tuning
- Project planning assistance, developing project plans for the implementation of technologies and systems.
Sr, System Administrator
Abu Dhabi Commercial Bank
Abu Dhabi
03.2016 - 05.2021
- Outsourced through InnovazIT technologies
- Responsibilities include L3 Technical support services for Windows Servers
- Managing and administering 1100 Windows Servers
- Planning Disaster recovery and Systems High-Availability
- Fine Tuning the Infrastructure (Sizing, Performance, Cost, DR, HA, Updates, Monitoring)
- Technical support for IIS Web servers and hosted web sites
- Building standard Security hardening baseline Policy as per CIS benchmark
- Implementing Security baseline through Group Policy
- Managing Active Directory Organizational Units, Group Policy, Computer Objects
- Complete analysis of vulnerabilities, providing solutions and remediation
- Configuration, management and troubleshooting on Active/Passive clustered servers
- Server Security to include maintaining most current OS MS patches, Symantec Antivirus and OS Hardening
- Managing Tier 2 PKI Infrastructure
- Handling high priority incidents, changes, tasks, problem tickets using BMC Remedy tool
- Providing RCA for business impact issues
- Managing CIFS NAS shares, volumes, NFS servers and creating secured folder structure
- SSL certificate binding and configuration in IIS servers
- RDS license installation and configuration
- Upgrading VM tools on Windows Servers on regular basis
- Windows Server performance fine tuning
- Project planning assistance, developing project plans for the implementation of technologies and systems.
Senior System Associate
GAVS Technologies Private Ltd.
01.2012 - 02.2016
- Part of Virtualization and Wintel Service Group supporting vSphere Products and Wintel servers
- Remote management of servers through ILO, iDRAC & vCenter
- Responsible for handling day-to-day activities like resolving incidents, service request execution, responding to mail requests etc
- Managing around 300+ Hosts with approximately 2500+ Windows servers
- Playing a Major Role in getting the Physical Environment to the Virtualized VMware Infrastructure
- Execute monthly patch management research, reports, and implementation on windows servers
- Support local and remote users with Windows system related issues
- Develop and maintain documentation of all infrastructures deployed to support and Windows associated applications
- Experience with ESXi, vSphere systems administration and support including vMotion, HA and DRS
- Working on Migration concepts like Vmotion and cold migration, Storage Vmotion
- Responsible for Active directory, GPO, Domain users, administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment
- Trouble Shooting Windows server related issues
- Managing Barracuda Mail archiver, Network Load Balancer.
Server Administrator
Sap BPO Services Pvt.Ltd.
01.2011 - 12.2011
- Installing and Administrating Windows Server 2003/2008
- Installing and maintaining Hyper-V servers
- Managing Active Directory servers
- Monitoring and troubleshooting day to day server operations
- Problem solving operating system related issues in File server, Exchange server, domain controllers and Application servers
- Logging call with vendors like IBM and Dell any Hardware level issues happen
- Publishing Application in Citrix XenApp Server as per the client’s requirement
- Managing More than 1200 mailboxes in Exchange 2010
- Working in Incident tickets and Request tickets on priority basis
- Deploying Patches through SCCM server for Clients
- Working in Service desk ticket basics and giving solution priority basics
- Managing and Symantec End Point Protection.
Network Engineer
Young India Films
06.2010 - 12.2010
- Installing and Administrating Windows 2003 Servers
- Testing and implementing Windows 2008 Servers
- Installing and configuring Thin PC client
- Maintaining Web servers
- Maintaining FTP Servers
- Remote Support for various clients (Renet Tool, Snet)
- Providing the support for different flavors in windows like ADS, DNS, DHCP
- Creating Users and Groups for providing various levels of Access Permissions
- Providing the vendor support for the onshore servers.
System Administrator
Roverco apparel Co. Pvt Ltd, (RATTHA Group)
11.2005 - 06.2010
- Installing and Administrating Windows 2000 and Windows 2003 servers
- Installing & Configuring Domain controllers, Additional domain controllers
- Configuring and maintaining Windows 2000 & 2003 DNS servers like Zones and Resource records creation and deletions
- Installing and administrating DHCP servers like scope and super scope creation, IP reservation and IP exclusion
- Creating & applying Group policies for recipients as per project requirement
- Maintaining server’s performance & patch implementation on Windows 200 and 2003 server through Microsoft Windows server Update services (SUS)
- Exchange Activities: DL creation /deletion, Email addresses Change, mailbox movement, Mailbox store limit set, attachment size set
- Implementing and maintaining File servers like creation and deletion of shares
- Implementing and maintaining File servers like creation and deletion of shares and assigning access permissions as per Department requirement.
Custom
I hereby declare that the information furnished above is true to the best of my knowledge
Personal Information
- Date of birth: 05/13/83
- Gender: Male
- Nationality: Indian
- Marital status: Married
Timeline
Systems engineer
Abu Dhabi Commercial Bank
06.2021 - Current
Sr, System Administrator
Abu Dhabi Commercial Bank
03.2016 - 05.2021
Senior System Associate
GAVS Technologies Private Ltd.
01.2012 - 02.2016
Server Administrator
Sap BPO Services Pvt.Ltd.
01.2011 - 12.2011
Network Engineer
Young India Films
06.2010 - 12.2010
System Administrator
Roverco apparel Co. Pvt Ltd, (RATTHA Group)
11.2005 - 06.2010
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