Karthik Ramalingam

Karthik Ramalingam Senior IT Professional Mobile phone: - WhatsApp: - E-mail:- Personal Profile Native India with more 9 years of experience. Skilled in Networking, DNS, DHCP with IPAM , Azure Administrator, windows SCCM, Cyber Security, IT Due diligence, System Administration, Network Administration. Excellent communication skills; acquired during years of direct contact with all types of customers, from different type of industries like manufacturing, health care and IT support services. I am able to work well with others in a team to complete tasks in a deadline-driven environment. Education 2002 – 2006 Bachelor of Electrical and Electronics Engineer, Anna University Chennai, India Courses/Certifications Udemy certified Networking with Windows Server 2016 Udemy certified IBM WebSphere Application Server administration Udemy certified Docker and containers EC-Council Certified Security Analyst & Certified Ethical Hacker Cisco Certified Network Associate Worked Skills Windows Server : - Fluent Networking knowledge with DNS,DHCP & IPAM (DDI). ip/subnet configuration with static or dhcp assigned ip address & DNS setup. Troubleshooting Lan/Wan and Internet connectivity Issues. Overseeing resource records in domians covering A records, CNAMES, and alias of DNS names and url's Installing, Configuring, and administering Windows 2003, 2008R2, 2012 Server. Installation of windows SCCM, Deployment & Implementation of Windows SCCM. Experience in Active directory, GPOs, DNS, DHCP, File & Print server, IIS (web server). Creating a Root domain controller and Additional domain controller in forest. Installing, Configuring, and administering Group policies. Active Directory Users and Groups management. Create and manage trust using AD Domain and trust. Configuring WSUS SERVER in 2003, 2008R2 and 2012 R2 server Transfer and seize FSMO roles in Active Directory. Installing & configuring VPN using L2TP and PTPP on window servers. Experienced with Microsoft Exchange Server 2016: Setup and configure, create mailbox, limit, and increase mailbox space, manage archives in outlooks etc. Azure & O365 administration: - Deploy, configure storage account & resource groups, Maintain compute on Azure Cloud. Troubleshoot Azure & Azure Backup/Restore related Issues and engage internal teams and vendor for issue resolutions. Implementation of Intune & Deployment of ATP (Azure Threat Protection) Hybrid migration. Installing AD synchronization. Installing and configuring Hybrid Configuration Wizard. Creating a Migration batch on office365. Deployed IPAM in azure platform. Meraki Firewall: MX-64 - Configuring a WAN and LAN ip port on the firewall. Configuring a failover or load balance of internet. Configuring a DHCP for the client system. Karthik Ramalingam Senior IT Professional Mobile phone: - WhatsApp: - E-mail:- - Writing inbound and outbound rules according to the client need. - Configuring a VPN and site to site VPN for accessing the internal resources. Meraki Access Point: MR32 - Configuring a SSID and their respective Access control. Meraki Switch: MS220-24 - Configuring a LAN port on the switch. Making a port as truck or access port and assigning VLAN’s. Creating an Access control List. Security Tools: - Wireshark Metasploit Net Sparker Virtualization (VMware and Hyper-V): - Sound knowledge on Hyper-V and ESXI Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots. Strong understanding of VMware Networking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN. Good knowledge with the VMware HA and VMware DRS. Good knowledge in installing and configuring of ESXI, VSphere and Vcenter appliance. Worked on migration concepts with the use of Vmotion and Cold migration. Used Update Manager to update patches of ESXi and VM. Clean up the environment from time to time by deleting the temporary VM’s. P2V and V2V conversions by using VMware Converter. Had a Good knowledge in Virtual storage appliance of HPE. Basic knowledge in SAN to create an LUN on it. Backup (Arcserv): - Installing Arcserv software on the server. Creating a backup job for each server on the backup server. Monitoring the backup jobs daily basis and troubleshooting the backup job if it needs. Restoring the backup job if needed. - Python Programming Knowledge in Java, C, C++ Powershell scripting Knowledge in Perl Scripting IBM WebSphere Ansible, Puppet, OpenStack & Docker SQL, Sqlite, MySql, Mongo DB Knowledge on Azure Devops, GitHub, deployment pipelines. Other Skills Work Experience Jan 2020 – Till date Senior Technical Lead Covansys Technologies LLC Main responsibilities  Formulated and executed designing standards for DNS servers.  Participated in design discussions and project engineering activities.  Provided assistance in acquisition and integration for DHCP services.  Created IPAM platforms with protocols and networking services.  Conducted feasibility engagements to implement network strategies.  Provided technical support services for DNS and IPAM services.  Documented infrastructure designs and resource allocation reports. Dubai UAE Karthik Ramalingam Senior IT Professional Mobile phone: - WhatsApp: - E-mail:-  Manage planning, implementing, testing of windows servers.  Oversee Helpdesk operations – Handle L2 Escalation.  Worked as Cloud Administrator on Microsoft Azure, involved in configuring virtual machines, storage accounts, resource groups.  Manage planning, implementing, testing, and operating of AZURE & O365.  Responsible for supervision of Microsoft Windows 2008/2012/2016 Administration: Install, Configure & manage.  Responsible for Virtualization servers Creation, Installation and Manage (VMware 5.x & 6.x).  Managed accounts of clients like Al Habtoor Motors, Aw Rostamani logistics.  Business development activities like Proposal preparation, Meeting the Target Market segment IT/Business leadership, understand their requirements, Presentations to be made, Run a Proof of concept (POC).  Responsible for Installation/Configuration/Troubleshooting of Linux server (Cent OS). Clients Worked:  CUBE , AwRostamani & Al Habtoor. April 2015 – Dec 2019 Senior Technical Lead Signa Tech Services Chennai India & Brookfield, USA Main responsibilities  Provided technical support services for DNS and IPAM services.  Provided technical support services for DNS and IPAM services.  Having Experience Configuring and managing AzureAD Connect, AzureAD Connect health, Microsoft Azure Active Directory.  Installation & Implementation of Windows SCCM.  Oversee Infra day to day operations of monitoring networking systems, networking devices through Ncentral Monitoring.  Oversee Helpdesk operations – Handle L2 Escalation.  Manage all Security Event Operations tasks. Develop and maintain the Security Event functions consisting of 24X7 shifts of security operation analysts  Manage incident response activities and provide expert advice, tracking and reporting to local responders, local IT.  Worked on Security pen testing tools like Net sparker, Metasploit, Wireshark.  Provided Vulnerability Assessment reporting and metrics.  Implementing system security hardening guidelines on the systems and performing functional testing on the system after system security hardening is in place  Defined, published, and executed the overall IT strategy with buy-in from operational and business stakeholders  As a Certified Ethical Hacker (C|EH) has done several vulnerability assessments.  Provided 24/7 Technical support to the Manufacturing clients.  Security Operation Management Using SIEM tool LogRhythm.  Managed Virtualization Environment using VM Ware ESX,Virtual Center 5.x 6.x VI Client, Web Client.  Managed and Implemented MSSQL, SQlite for enterprise customer.  Automated Patching for Cloud server using Puppet. Clients Worked:  Superior Support Resources (SSR)  Other Clients Details are Confidential as per NDA (information will be provided as per request). Karthik Ramalingam Senior IT Professional Nov 2012 – Mar 2015 Mobile phone: - WhatsApp: - E-mail:-Systems Engineer Signa Technologies Chennai India Main responsibilities  Managed End to End Project activities.  Requirement Analysis  Client Communication  Implementation and Hardening of Servers, Security and Network devices.  Documentation of Standard operating Procedure.  Owned & Delivered as per the given SLA.  Oversee Infra day to day operations of monitoring networking systems, networking devices through Ncentral Monitoring.  Oversee Helpdesk operations – Handle L2 Escalation.  Client communication and Project management for development projects.  Responsible for monitoring networking systems, networking devices through Ncentral Monitoring  Auto patching the servers and workstations through Ncentral tool and providing the report to the client.  Responsible for monitoring the Arcserve backup and troubleshooting the backups issues.  Installing, Configuring, and administering Windows 2003, 2008R2, 2012 Server.  Managed Virtualization environment using Hyoer -V.  Managed Virtualization Environment using VM Ware ESX,Virtual Center 5.x 6.x VI Client, Web Client.  Superior Support Resources (SSR)  Other Clients Details are Confidential as per NDA (information will be provided as per request). Clients Worked: May 2011 – Jun 2012 Senior Technical Support Executive Concentrix Chennai India Main responsibilities  Responsible for Fixing the security issues in Symantec End Point Protection for Enterprise Customers.  Installation and configuration of SEP and SEPM  Pushing SEP agent using Group policy.  Installation of Symantec Backup.  Created several Knowledge base articles.  Symantec.  Other Clients Details are Confidential as per NDA (information will be provided as per request). Clients Worked: Karthik Ramalingam Senior IT Professional Aug 2010 – Apr 2011 Mobile phone: - WhatsApp: - E-mail:-Process Developer Genpact Hyderabad India Main responsibilities  Responsible for troubleshooting of CA Antivirus issues for end users.  Installation and Configuration of CA Antivirus.  Removing Malwares and Virus manually from workstation and servers.  CA, Iyogi Clients Worked: Dec 2009 – Jul 2010 Senior Technical Support Representative CSS-Slash Support Chennai India Main responsibilities  Troubleshooting of SMB network devices  Troubleshooting of Roku devices for end users.  Roku Clients Worked: Aug 2007 – Nov 2009 Senior Technical Support Executive Sutherland Global Services Main responsibilities  Troubleshooting of SMB network devices for Bell Canada ISP  Troubleshooting of SMB Modems and Routers  Led team of 6 as Post sales Lead.  Bell Canada ISP Clients Worked: Soft Skills Languages   English – fluent Tamil - Native      Effective communication Troubleshooting Quality assurance Relationships builder Team Player & Positive attitude Soft skills Interests - Playing Badminton & Reading Novels Technology Meetups Future Technologies seminars Online seminars from CEOs and COOs. Remodeling Motorcycles and Cars. Chennai India