Maintain, upgrade, and implement improvements to the VMWare ESXi infrastructure
Migrated Microsoft Windows from 2008 R2 to 2016 on VMWare with additional DC with 2012 forest level
Managed security projects, updated all stakeholders of status/deliverables/work plans/metrics
Performs technical analysis, installation, maintenance and modification of operating system and software
Troubleshoots and resolves problems and monitors system performance while simultaneously support staff engaged in similar efforts
Performing backups, troubleshooting and problem resolution for servers associated with a VMware virtual infrastructure
Provided DR solutions for the migration procedures and Provided back-up coverage for the facilitation of two critical governance committees
Responded to server down alerts in a timely manner and brought them up via HP iLO/ Dell DRAC.
Solving Issues Regarding Office 365 / OWA
Windows: AD /DNS /GPO | VMWare: 6.x | Hardware: HPE C7000 /Dell R640 Servers | Security: McAfee
Maintained, Managed multiple Location (13 different sites) of ACC Cluster Environment in Austin locations for Replication and backup.
Inventoried and administered Red Hat Enterprise Linux (RHEL),Debian 9, CentOS 7, FreeBSD, and VMware ESXi servers, writing several utilities to manage them simultaneously.
Installed, configured, and updated Linux machines, Red Hat, Debian, and CentOS Updated patches using skywalk.
Maintained Level 1 and 2 CIS Control Standards for Linux and Windows VMs and Hardware
Installed and configured Nagios, Ngnix, Zabbix system monitoring, on Debian 9 servers writing custom scripts for ESXi servers.
Worked extensively with security engineers to research cybersecurity issues.
Helped manage the security R&D lab for hardware and software testing environment/pre-deployment.
Used Dell Open Manage Server Administration Tool to look up and update the Dell servers and storages.
Troubleshoot, analyze and resolve computer problems related to both hardware and software.
Installed Configured ESXi Hosts with virtual network interface cards.
Experience in implementing PRTG, Migrating VMware, VMotion in cluster Environment.
Mounting Installing Dell Power Edge Series Servers with Storage (SAN/NAS) fiber channel. ( VMAX and VNX) Dell EMC.
Installed configured WSUS Server for Windows Servers patching.
Updating Server firmware hardware, to the latest and patching them to the latest.
Experience in troubleshooting issues DELL / IBM/ HP Tape & PowerVault Disaster Recovery.
Resolved security vulnerabilities by analyzing and recommending improvements in communications and network security at the component level
Participated in upgrading an external customer to Office 365 and led a training session on how to set up SharePoint sites and how to manage them
Windows: WSUS | VMWare: 6.x | Hardware: Dell R640 /620 Servers | Security: Tenable | Monitoring : PRTG /Zabbix
Designed, implemented and troubleshot Cisco unified communication solutions including call processing, voice gateways &LAN/WAN infrastructure.
Analyzed business requirements in order to design and implement an infrastructure solution using Cisco technologies.
Maintained, configured, and sustained the Cisco VoIP network.
Analyzed, designed, tested, documented, implemented and supported global voice and converged network technologies.
Broad experience in Voice and data networking technologies.
Extensive technical experience of VoIP technologies, business continuity, and disaster recovery processes as they pertain to voice services.
Strong experience in designing, implementing and supporting Cisco VOIP technologies.
Excellent experience using Cisco call manager, unity voice mail, and voice gateways.
Familiar with managing Cisco Unified Call Center Managers, UNITY voicemail systems, H323 and SIP voice gateways
Solid grasp of UCC Call Center technologies, Cisco IP telephony, basic LAN and WAN administration
Worked with vendors to resolve voice/data issues with WAN, MPLS, PRI, PSTN issues.
Call Manager (7.x, 8.x10.x), Call Manager Express. Unity (7.x, 8.x 9.x), Unity Express
Supported and Trained Users on Microsoft Applications, Voicemail Products, and Phone Features.
Skillful in managing:
Cisco Catalyst (3xxx, 2xxx, 4xxx,6xxx)
Nexus switches (5k, 7k,),
Routers (28xx,29xx,38xx,39xx,43xx, ASR)
Strong experience in developing and deploying:
IPV4, IPV 6
VoIP telecommunication network
Admirable expertise in:
SIP Trunk, 1Q trunking
Poly-com video conferencing techniques
VPN connectivity
Knowledge of TCP/ IP protocols:
H323, DNS, DHCP
SNMP, BGP
STP, FTP, EIGRP
Competency in utilizing AMX touch panel controls to design:
Audiovisual conference rooms
Multi-point video conferencing systems
Used Wireshark to Capture and analyze SIP/SDP, RTP, TCP, UDP, IP Packets
Configured, troubleshoot, and upgraded Checkpoint Firewalls for Manage clients, which included network and/or resource access, software, or hardware problems.
Opened, resolved, or updated Tier II Support tickets for Manage Firewall clients.
Provided Manage Firewall Clients' with regular status reports of their trouble tickets.
Provide descriptive design details to the third party vendors to make rule changes to P/firewalls.
Determine which port or ports the program or system service uses, and add the port or ports to the Windows Firewall with Advanced Security rules list.
created a custom port rule, you can specify TCP and UDP ports only
Responsible for rule usage reporting and rule analysis pertaining to least access
Identify unused rules and submitted to line of business (LoB) for approval to keep or disable
Used Visio diagram to support the verification of switches and servers in the DMZ.
Manage the firewall deployment, rules migrations, and firewall administration.
Responsible for converting existing rule base onto new platforms.
Deploy new equipment and work with remote site support to get devices racked and stacked as well as configured per standards and then added to Provider-1
Identify rules that allow traffic over unsecure ports, as well as rules that allow traffic to or from non-existent IPAdresses; recommend those rules for remediation.
Collaborate and coordinate with technology and business leads on the investigation and resolution of rules and policies out of scope.
Directly responsible for Market Data firewall implementation strategies involving external client connectivity for Bloomberg and Instinet trading application feeds.
Responsible for building and implementing standard firewall configurations in a standalone and HA configuration using Checkpoint Firewall software and Stonebeat high availability software. Disaster recovery planning, testing with system maintenance and upgrades.
System hardware, software and network troubleshooting and problem resolution for over 200 firewalls in a 24 x 7 env including domestic and international locations.
Windows: 2008 R2/ 2012 R2| VMWare: 6.x | Hardware: Dell /HPE/IBM Servers | Security: Tenable/ Bloomberg / Nesses
Working as a System Administrator with in house Datacenter.
Installed Dell Power Edge Series of Servers at client with tape storage and SAN ( iSCSI)
Hands On experience with DELL / HP management console.
Managing Virtual Servers for distributed services with securing local network and cloud.
Configured infrastructure monitoring, automation, backup, with Managing IT services.
Configured knowledge consistency checker for replication server for two different sites and also implemented FSMO roles on schema master DNS.
With Robust Linux support on Enterprise class on Virtualization mgmt.
Dynamic and Power optimization
Implemented New AD structure for Medical firm which was a new architect.
Utilize Windows Server Update Services to manage and deploy software patches and group policy for client settings.
Implemented Firewalls (Pfsense/ Fortinet/ ASA FW) for different independent business.
Implemented ESXi Used VMware vMotion to eliminate application downtime from planned server maintenance by migrating running virtual machines between hosts.
Design, implement and maintain VMware vSphere infrastructure Monitor, troubleshoot and capacity planning of vSphere environment Provide technical guidance to other VMware administrators
Familiar with the upgrade paths for ESX\ESXi Host servers\Virtual Center Server & the setting up of networking on Linux 5 servers.
Supporting all AD and DNS designs for company and implementing all patch management solutions.
Windows: 2008 R2/ 2012 R2| VMWare: 6.x | Hardware: Dell /HPE/IBM Servers | Security: Pfsense /Fortinet /ASA FW