Selva Kumar
CTC Global Pte Ltd
Singapore
1
Certification
26
years of professional experience
Work History
Senior System Engineer
7 Years 4 Months- Managed Azure cloud infrastructure, enabling robust support for enterprise applications. & Infrastructure Engineer with over 20 years of experience in Microsoft Azure, Windows Server, VMware, Hybrid Cloud, Enterprise Infrastructure, and Data Center Operations.
- Microsoft Certified Azure Solutions Architect Expert, Microsoft Azure Administrator Associate, AWS Solutions Architect Associate, VMware Certified Professional (VCP), and CCNP certified. Proven ability to deliver highly available, secure, and scalable enterprise infrastructure while leading cloud migration, automation, disaster recovery, and modernization initiatives.
- Designed, deployed, migrated, and supported enterprise cloud and on-premises environments across healthcare, government, and commercial sectors, enhancing operational capabilities.
- Applied hands-on expertise in Microsoft Azure services, VMware, and infrastructure automation to streamline enterprise operations and improve service delivery.
- Azure Cloud
Senior System Engineer
5 Months- Windows Server 2022/2019/2016/2012R2/2008/2003/2000 Active Directory, DNS, DHCP.
- Executed Active Directory migration and user management, enhancing security through creation, management, and hardening of GPO.
- Managed and created virtual servers within the VMware vSphere environment.
- VMware vCenter Server installation and link multiple vCenters using Linked mode.
- Upgrade performed using vSphere Update Manager, update via ISO image, and patch update via CLI.
- Create standard templates and deploy virtual machines from templates.
- Cluster creation and configuration of HA & DRS. Storage DRS configuration.
- Standard vSwitch and vSphere Distribution Switch configuration
- VMware Clones and Snapshots. Physical to Virtual migration
- Host Profile configuration for ESXi hosts. Affinity rule creation and configuration
- Alarm setting configuration. Troubleshooting hardware-related issues in ESXi servers.
- Cisco UCS Blade Server/Fabric Interconnect Installation and Configuration
- Hardware installation, Port configuration, and Port Channel configuration
- Service Profile and Service Profile template configuration.
- Upgrade the firmware on Cisco UCS manager and infrastructure elements.
- Configure Raids for Cisco UCS C series M3 and M4, HP, IBM Lenovo, DELL etc.
- Installation, configuration, and administration of XenApp.
- Deployed applications and created collections, packages, and reporting mechanisms using SCCM and WSUS to streamline software updates.
- Managing and Administering SCCM 1902/2303 Infrastructure & support.
- Set up Office 365 on the Cloud. Authenticated all mailboxes to the Outlook Clients.
- Configure and manage for exchange 2003, 2007, 2010 and 2013,2016.
Senior System Engineer
5 Years 1 Month- Handling Windows NT - Windows 2016 servers for Upgrading, Maintenance
- Windows Server 2016/2012R2/2008/2003/2000 Active Directory, DNS, WINS, DHCP
- Active Directory Migration and user management.
- Established Office 365 for seamless cloud access, ensuring all mailboxes were authenticated for Outlook clients.
- Experienced with deployments, Maintenance, and troubleshooting applications on Microsoft Cloud infrastructure Azure.
- VMware vSphere Installation and Configuration
- VMware vSphere Administration such as installing and configuring VMware vSphere. Creation, management, and administration of virtual servers
- VMware vCenter Server installation and link multiple vCenters using Linked mode.
- Upgrade performed using vSphere Update Manager
- Created standard templates and deployed virtual machines from templates, streamlining deployment processes.
- Coordinated migration of physical servers to virtual environments, enhancing resource utilization and scalability.
- Cluster creation and configuration of HA & DRS
- Storage DRS configuration
- Standard vSwitch and vSphere Distribution Switch configuration
- Managed VMware clones and snapshots for efficient backups.
- Host Profile configuration for ESXi hosts. Affinity rule creation and configuration
- Alarm setting configuration. Troubleshooting hardware-related issues in ESXi servers.
- Cisco UCS Blade Server/Fabric Interconnect Installation and Configuration
- Hardware installation, Port configuration, and Port Channel configuration
- Service Profile and Service Profile template configuration.
- Backup and Export policy configuration
- Upgrade the firmware on the Cisco UCS manager and infrastructure elements.
- Configure Raids for Cisco UCS C series M3 and M4, HP, IBM, DELL etc.
- Handling Windows XP Pro - Windows 10 Pro Desktops
- Configure and manage for exchanges 2003, 2007, 2010, and 2013.
- Installation, configuration, and administration of XenApp and XenDesktop machines.
Network Support Engineer,
1 Year 11 Months- Installed and configured Cisco routers and switches.
- Install, configure, and maintain network services, equipment, and devices.
- Monitor system performance and conduct performance tuning to ensure optimal operation.
- Perform troubleshooting analysis of servers, workstations, and associated systems.
- Document network issues and resolutions to enhance future troubleshooting.
- Provide on-site installation and customer support to ensure seamless integration of services.
- Delivered technical support for IPTV and Voice systems.
- Provided support for the optimization of network and computing systems.
- Manage user accounts, permissions, email, anti-virus, anti-spam
- Ensured reliable data recovery through effective backup management.
IT System Support
1 Year 1 Month- Administered Windows Server 2003 and Windows Server 2008 Active Directory, including Group Policy, User Management, managing access controls, and domain structure configuration.
- Configured multi-server virtual environment with VMware's ESX, managing production, domain, file, and application servers across multiple VMs.
- Deployed and monitored Kaspersky Business Space Security International Edition antivirus software, ensuring protection for server and client systems.
- Worked with network hardware including Cisco routers 800/2500/1841 and switches, Proxim Wireless APs, firewalls, Fast Ethernet, Gigabit Ethernet, and DSL modem.
- Programmed and implemented protocols such as TCP/IP, OSPF, EIGRP, RIPv2.
- Managed two rack HP ProLiant DL 380 G5 XEON 2.00 GHz and IBM X3650 m2 Dual Core 2.33 GHz servers, utilizing Quantum KIT Storage Device with Symantec Backup Exec 12.5.
- Multi-Site Mesh VPN links using Sonic wall NSA 2400 between the Head Office and five branch offices.
- Used platforms such as Windows Server 2K3, 2K8, Windows XP, Vista, 7.
- Oversaw Mac OS X system management, improving operational efficiency.
Team Leader
10 Months- Allocated schedules for all service engineers to optimize coverage and response times.
- Supported service engineers with on-site issues to enhance problem resolution.
- Oversaw server, firewall, and router operations to maintain system integrity.
- Guided customer interactions to clarify requirements and improve satisfaction.
SENIOR IT INFRASTRUCTURE
2 Years 4 Months- Accountable for Complete System Administration Service
- Troubleshot, administered, and supported Windows 2003 Server and MS Exchange on HP servers, enhancing operational reliability.
- Managing Two Rack HP ProLiant DL 380 G5 XEON 2.00 GHz, One HP ML110 DUAL CORE G4 3.0 GHz and HP VS160 EXT KIT Storage Device with Arc Ser.
- Experience in remote access implementation/support VPN, GLOBAL VPN CLIENT
- Utilized Microsoft ISA Server 2004 and 2006 for network security management.
- Maintained 35 computers with Nod32 Antivirus and 33 Epson POS machines across all outlets, ensuring system security.
- Supported IT hardware, software, and networks, facilitating seamless operations and user satisfaction.
- Citrix Meta Frame Presentation Server 4.5
Service Engineer
2 Years 7 Months- Installed, configured, and maintained VPN services to enhance secure remote access for users.
- Assembled, configured, and troubleshot of PCs, Servers, Storage Devices, OS, Internet, Intranet, LAN/WAN, VPN, Multimedia, Printers and Scanners.
- Migrated customers' data to Vostok Data Centre, managing transition for 50+ servers and networks while maintaining accounts for 180 clients.
- Provided consultancy services to clients regarding developments/improvements in their systems.
- Coordinated with management and marketing team for the evaluation and project appraisal of techno-commercial activities.
- Installation and Commissioning of the CCTV (stand-alone Dvr and system with Dvr), Access Control to give training to maintenance people and technical support to all technical engineers.
- Responded to customer inquiries via telephone, resolving issues promptly to ensure customer satisfaction.
Hardware Engineer
3 Years 2 Months- Assembled and troubleshot PCs including Pentium IV, III, II & 486, IBM Cyrix, and Compaq series, enhancing operational readiness.
- Installed, configured, and troubleshot various hardware devices and their interfaces, including video/graphics cards, Ethernet cards, and printers, optimizing system performance using TCP/IP and DHCP.
- Handled installation and configuration of OS, Office 2000/XP, Windows NT4, 2000 Server, XP Professional, Home Edition, 98, 95, and other application software.
- Managed 120+ client accounts across multiple locations, ensuring client satisfaction and timely support.
Education
Master of Computer Science - M.sc
Bachelor of Computer Science - B.sc
Skills
Systems architecture
Process optimization
Virtualization technologies
Hardware configuration
Process optimization
Process documentation
Root-cause analysis
Project management
Systems architecture
Accomplishments
- Successfully managed Azure cloud infrastructure supporting enterprise applications.
- Delivered enterprise VMware infrastructure supporting mission-critical services.
- Improved server patch compliance using Azure Update Manager.
- Reduced downtime through proactive monitoring and automation.
Certification
- VMware Certified Professional 6.5 (VCP)-2019
- Microsoft Certified Azure Solutions Architect Expert-2020
- AWS Certified Solutions Architect - Associate certificate-2020
- CCIE routing and switching written-2019.
- Microsoft Certified System Administrator (MCSA)-2019
- Cisco Certified Network Associate (CCNA)-2011
- Acronis Certified Engineer- 2014
- Nimble Introduction and Administration Certified-2015
- VMware Technical Sales Professional (VTSP)-2015
- ITIL Foundation Certificate in IT Service Management-2017
- Cisco Certified Network Professional (CCNP)-2016(Validity 2028)
- Aruba Certified Clear Pass Professional (ACCP)-2016
- Microsoft Azure Administrator- (Validity Sep 2, 2027)
- Microsoft Certified: Azure Solutions Architect Expert– (Validity SEP 2, 2027)
Timeline
Senior System Engineer
CTC Global Pte Ltd
04.2019 - CurrentRead More
Senior System Engineer
Accion Labs Pte Ltd (Consultancy)- NCS Pte Ltd
10.2018 - 03.2019Read More
Senior System Engineer
IT Riders PTD LTD (Consultancy)- Logicalis Singapore Pte Ltd
09.2013 - 10.2018Read More
Network Support Engineer,
Hak Japan Tech & Trading Pte Ltd
12.2010 - 11.2012Read More
IT System Support
Al Bahja Groups (Muscat)
11.2009 - 12.2010Read More
Team Leader
Orson Automation (Chennai)
01.2009 - 11.2009Read More
SENIOR IT INFRASTRUCTURE
Damas, (Dubai and Muscat)
08.2006 - 12.2008Read More
Service Engineer
Vostok Trading (Dubai)
12.2003 - 07.2006Read More
Hardware Engineer
Orson Automation (HCL Support Net)
09.2000 - 11.2003Read More
Bharathidasan University
Bachelor of Computer Science from B.sc
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Bharathidasan University
Master of Computer Science from M.sc
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