Summary
Overview
Work History
Education
Certification
Timeline
Generic

Sukumar Madasamy

Sr. Security/Okta Engineer
Chennai

Summary

Dedicated System Engineer adept at cultivating long-term partnerships with vendors and clients. Expertise includes installing, configuring and monitoring complex systems and infrastructures. Offering successful career history comprising more than 18 years.

Overview

18
18
years of professional experience
1
1

Okta Certified Professional

1
1

HIPPA Compliance Certified

1
1

Microsoft Certified professional

1
1

VMware Certified Professional

Work History

Senior System Engineer

VLS Global Pvt Ltd
Chennai
12.2017 - 03.2019
  • Integration of 3rd Party applications with various SSO matrix like Open token,agentless and SAML based services through ping federate.
  • Prepared a plan for user communication to switch from ADFS to Okta SSO.Created a detailed implementation and migration guide for Office 365 Okta SSO integration.
  • Windows & VMware Infrastructure, Citrix Administration & Core Apps
  • Design, develop and maintain automation of VMWARE infrastructure management
  • Design Installation, management and routine upgrades of VMware Infrastructure
  • Provides Level 3 support & key technical consultation with major migration and transition programs
  • Works with IT management to prepares project prioritization, project tracking and resource allocation
  • Overseas network/computer resources and installation new equipment
  • Expertise in troubleshooting and resolving issues in enterprise CITRIX environments including web interface, application enumeration and performance issues, printing and provisioning issues for internal and external users
  • Administering and managing Microsoft office 365 Exchange cloud and on premises ADs
  • Support Server & Storage Hardware and Network Equipment

Senior System Administrator

ELI Research India Pvt Ltd
Chennai
10.2015 - 07.2017
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Completed reports detailing network and systems performance and downtime issues.
  • Worked with users to determine areas of technology in need of improved usability.
  • Maintained flexible schedule and responded to after-hours and weekend emergencies.
  • Administering and managing EC2 around 50 instances in AWS Cloud
  • Administering and managing Microsoft office 365 Exchange cloud and on premises ADs.
  • Hands on experience with P2V and V2V migration for business-critical servers

System Administrator

IBM India Private Ltd
chennai
05.2015 - 08.2015
  • Migration Project in Windows and VMware Infrastructure
  • Deployment and administration of global Active directory infrastructure
  • Configuration and Maintenance of GC/DC, Organizational Units (OUs), Site Links, Replication Topology and FSMO Server Roles
  • Designing and implementation of Group policy
  • Managing DHCP and DNS infrastructure
  • Defining and implementing delegation model for different support teams like Helpdesk
  • Ensuring the existing Domain Controllers adequately meet the infrastructure needs as per the Active Directory design and planning for fresh installation of DCs
  • Configuring DFS structure, creating DFS roots, DFS links
  • Configuring Logon scripts that maps printers & network drives
  • Modifying & maintaining NTFS permissions of DFS shares
  • Creating new file share & Generic service resources in cluster servers as per the business requirements
  • Publishing codes and making configuration changes to the internet & intranet Web farm servers.

System Administrator

Beumer Singapore Pte Ltd
Singapore
09.2010 - 01.2015
  • BHS Systems -Terminal 2& 3, Windows (Active directory) & VMware Administrator
  • Design, deployment, and maintenance of a broad range of Microsoft Technologies including:
  • Windows Server 2000, 2003, 2008 &2012
  • Hyper-V, Failover Clustering, SCOM & SCCM
  • Exchange Server 2007& 2010
  • Active Directory, Windows Server Update Services (WSUS), DNS, WINS, DHCP
  • Group Policy Design & Implementation, IIS and Terminal Services
  • Production Support: Responsible for Active Directory Administration
  • Migration from 2k to 2k3 & 2008 to 2012 R2
  • Implement AD DS with File Classification Infrastructure on 2012 R2
  • Maintains DCs based on FSMO roles
  • User & Policy Management
  • Implementing System Policies & Profile’s according to client requirement
  • Active Directory Clean up
  • Site Creation and Management
  • Help other group at the time of Schema upgrade and active directory integration
  • DHCP, DNS and Replication issues within sites related problem troubleshooting
  • Backup and Restore
  • Instrumental in managing complete configuration and installation of:
  • Build and Configure ESX 3.x/4.x/5.x/6.x & ESXi Hosts with VCenter Management, Lab Manager, VMware View 4 & 4.5, Thin Apps, Consolidated Backup, DRS and HA
  • Provisioning VMs from Templates & Clones
  • Build and configure Host and VMs in efficient on Cluster environment for High availability
  • Configure Storage and Failover with Foe, ISCSI, NFS and Local Storage
  • Setup and configure Virtual and Distribute Switching
  • Migration Tools: VMware Converter and Doubletake
  • DR Tools: Platespin and Zerto
  • Production Support: Led complete Physical-to-Virtual (P2V) and Virtual-to-Virtual (V2V) migration of Windows NT, 2000 & 2003 Servers
  • Managed the entire gamut of tasks associated with Network Infrastructure Design and Maintenance including:
  • Datacenter Expansion including procurement, implementation and rollout of new physical plant
  • Implement & Manage Citrix Server and clients for remote Users.
  • Corporate Users Support: Responsible for Exchange Server 2007 & 2010 administration and maintenance
  • Performance tuning and optimization of Exchange Server for maximum performance
  • Patch and service pack Installation
  • De-fragmenting Exchange Databases in case of slow performance
  • RPC over HTTPS Configuration and problem solving
  • Mail blockage Spam Blocking
  • OWA access issues
  • Mail quota, delegation, rights management and individual mail restore
  • Management of Double Take Replication Software for Exchange Information Store Replication to Disaster Recovery Site
  • Time to time check authenticity of DR site with swinging Exchange Server to Disaster Site
  • 3rd Level End user calls for Microsoft Outlook, attachment stripped of messages, mail delivery failure etc
  • On phone support for VIP Users
  • Mailbox permission delegation, DL creation and modification depend upon user’s requirement
  • Dell Open Manage, HP Insight Manager, ADSIedit, DCDiag, Active Directory Sites & Services, Active Directory Users & Computers, Ethereal, Remote Desktop Connection, VNC, Ping, Tracert and Telnet
  • Resolved all issues related with performance of SAN backed VMware ESX Infrastructure to determine proper allocation of resources to a multi-department user population with widely varying needs
  • To investigate any equipment failures, inclusive of the Production applications running on Servers
  • Responsible for any new hardware procurement and maintain software licensing
  • Created proactive procedures for problem preventions and resolutions, interfaced with software developers, analyzed issues, and designed solutions
  • Perform Client OS deployment for laptops and desktops by using SCCM
  • To advise our clients about any technical issues during regular meetings with customer
  • To follow-up on and ensure compliance with issues raised by our client external/Internal IT auditors with regards to IT security
  • Provide customer training and operator training for Production people
  • Provide on-site and on-call support 24 hours for any issues
  • Managed Large Virtual infrastructure with Cisco UCS Blade Servers and Cisco Nexus Switches.

IT Support Engineer

Merrill Technology Services India Private Ltd
chennai
12.2006 - 08.2010
  • Windows (Active Directory) and, Infra Administrator
  • Merrill is an outsourcing solutions provider for various complex business units
  • I belong to the Server Team of 16 team members from India and USA supporting more than 800 Windows & VMware servers across the globe
  • All servers are installed with health monitoring agents which communicates to a central monitoring server located at Head Quarters in ST Paul
  • If any inconsistency reported, the monitoring agents trigger an Email and also we will get a call from our Helpdesk
  • Based on the criticality of the issues, the incidents are prioritized and resolved accordingly
  • Environment:
  • VMware vSphere Infrastructure with more than 50 Host, 600 Virtual machines 2 vCenter Servers
  • Windows 2008/2003/2000 servers around 900 including Physical & Virtual
  • (DC, File, Exchange & SQL Clusters, Repliweb, NetIQ, Print, SAN Management, IIS web farms & Other third party application Servers etc.)
  • Shavlik Patch management servers
  • Netbackup and Symantec Antivirus Servers
  • Managing Routers, Firewalls & Proxy Servers for the Chennai site (CISCO 6509, 2811, 851 Routers, ASA 5510 Firewalls, Bluecoat proxy appliance)
  • Roles & Responsibilities:
  • Technical, :
  • Installing, Configuring and maintaining ESX3.5/ESXi 3.5 Server, Virtual Center 2.5 Server
  • Currently migrating VMware Infrastructure from VI3 to vSphere
  • Creating and cloning virtual machines & templates
  • Provisioning of virtual Machines according to the Business Requirements
  • Configuring HA, DRS, vMotion across ESX servers and virtual networking
  • Adding New FC & NFS datastores on the ESX Servers
  • Configuring RAID for different performance requirements
  • Virtual and physical server migration (P2V and V2V)
  • Configuring SNMP and SYSLOG
  • Configuring ILO for remote management of HP Servers
  • Monitoring & Troubleshooting performance related issues
  • Patch maintenance on ESX Hosts using VMware Update manager.
  • Resolved diverse range of technical issues across multiple systems and applications for customers and end-users across various time zones.
  • Provided Tier 1 IT support to non-technical internal users through desk side support services.

Technical Support Engineer

Veeras Infotek (P) Ltd
Chennai
01.2005 - 12.2005
  • Veeras Infotek Pvt Ltd is an IT Solution provider and committed to excel in providing information technology products and integration services
  • Responsibilities
  • Implementation, Administration and Troubleshooting of Exchange Server 2000/2003 on Windows 2000/Advanced/2003 servers
  • Configuration, Installation of Hp/Dell servers (ML series and DL series) and Configuration of RAID Array [Clients: Srikrishna Collections, Force10 Networks, Cash edge, ICIL, Redington and HCL Technologies, Igrasi motors]
  • Installed, Configuration, managing and Troubleshooting of MacAfee EPO 3.0.1/3.5.servers with VSE 7.0/8.0 for Clients
  • (Above 1000 clients)
  • Responsible that the Installation and configuration of TCP/IP, Squid, Firewall (IP Tables), File servers (Samba, FTP, NFS), Backup (tar) and DNS server on Linux (Redhat, fedora)
  • Planned and designed the organization's LAN network expansion
  • Upgraded and configured Microsoft Window server and installed network routers, cabling, and firewall
  • Configuring IDS, IPS Web Filtering, Protection policies, Spam control and two different WAN Links on Fortinet 200/300 Firewall.

Customer Support Engineer

Vectra Computer Solution
Madurai
06.2002 - 04.2004
  • Established empathy with customers through insight into business drivers and expectations to offer personalized service.
  • Took ownership of issues and set proper and realistic expectations to deliver prompt solutions.
  • Explained complex technology-related issues in understandable terms to customers.
  • Delivered exceptionally high level of professionalism and support to each customer, upholding company's commitment to service.
  • Design and deployment of Windows 2000/2003 server, IIS servers and in Support of IBM’s Servers Farm WEB hosting environment
  • Responsible that the Installation and configuration of Exchange server 2000 on Windows 2000/2003
  • Provided technical support for corporate users including MS Office, Outlook, and Linux, lotus notes 6.5/7.0 and Windows 2000 /Xp pro
  • Installing and Configuring Database Software’s such as SQL 2000, MYSQL and Oracle
  • Installation of windows OS and Linux OS, patch update and Antivirus update

Senior Security/IAM Okta Engineer

Venzo Technologies Private Ltd
chennai
04.2019 - Current
  • Developed and administered IAM technologies such as Secure AUTH for MFA, OAuth and SSO integration, eDirectory and Active directory for authentication and system directories .
  • Involved in requirements gathering discussion with IAM and helped them utilize Okta's SSO feature for workday. Multitasking managing multiple applications owners and technical contact to drive SSO integration and external user provisioning objective and radius server troubleshooting.
  • Experienced with Okta policy server log files for troubleshooting okta environment. Technical liaison with new business partners in the federation protocol space- work with ping identity and trustgenix.Implemented SAML server with ping ID and Okta libs.
  • Design and implemented Okta integration with several confidential production applications.
  • Manage SSO and Okta servers inventory and work with different teams to manage SSO servers ,firewalls ,storage, network etc.
  • Collaborated with team members to achieve target results.
  • Used critical thinking to break down problems, evaluate solutions and make decisions.
  • Demonstrated respect, friendliness and willingness to help wherever needed.
  • Proved successful working within tight deadlines and fast-paced atmosphere.

Education

B.E - Electronics & Communications Engineering

Mohammed Sathak College of Engg, Madurai Kamaraj University
2000

D.E.E.E - undefined

Mohammed Sathak Polytechnic, Board of Technical Education
1996

Certification

  • Okta Certified Professional
  • HIPPA Compliance Certified
  • VMWare Certified professional
  • Microsoft Certified

Timeline

Senior Security/IAM Okta Engineer

Venzo Technologies Private Ltd
04.2019 - Current

Senior System Engineer

VLS Global Pvt Ltd
12.2017 - 03.2019

Senior System Administrator

ELI Research India Pvt Ltd
10.2015 - 07.2017

System Administrator

IBM India Private Ltd
05.2015 - 08.2015

System Administrator

Beumer Singapore Pte Ltd
09.2010 - 01.2015

IT Support Engineer

Merrill Technology Services India Private Ltd
12.2006 - 08.2010

Technical Support Engineer

Veeras Infotek (P) Ltd
01.2005 - 12.2005

Customer Support Engineer

Vectra Computer Solution
06.2002 - 04.2004

B.E - Electronics & Communications Engineering

Mohammed Sathak College of Engg, Madurai Kamaraj University

D.E.E.E - undefined

Mohammed Sathak Polytechnic, Board of Technical Education

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Sukumar MadasamySr. Security/Okta Engineer