SUMMARY

• 12+ years of experience working with Windows / Linux / Security, with these skills I’m looking to obtain a challenging position associated with new media and technology.
• Over 12+ years of experience in the IT industry, involved in system administration, Monitoring, implementation, configuration, support, troubleshooting, documentation and training on Windows networks.
• Delivered responsibilities as Monitoring Tool Specialist and Systems Administrator with excellent understanding and troubleshooting skills in large - scale enterprise network infrastructure including 24/7 data centers in Facilities management and Financial/Banking institutions.
• Experience in working on Windows Lock Down environments and tools MS Windows Steady State, MS Shared Computer.
• Driving the Project for identifying Drivers, patches, firmware (network, OS etc.), testing them on Test Infrastructure and applying on Production environment.
• Strong exposure in Troubleshooting & maintenance of Active Directory 2008/2012, DHCP, DNS, WSUS, VMware, Transition & ITIL Process etc.
• Experience using PowerShell for system administration, automation and client configuration
• Administration of ESXi infrastructure for support and creating old and new infrastructure across the globe. Resource Sizing, resource management etc.
• Over 11+ years of experience in the IT industry, involved in system administration, Monitoring, implementation, configuration, support, troubleshooting, documentation and training on Windows networks.
• Delivered responsibilities as Monitoring Tool Specialist and Systems Administrator with excellent understanding and troubleshooting skills in large-scale enterprise network infrastructure including 24/7 data centers in Facilities management and Financial/Banking institutions.
• Experience in working on Windows Lock Down environments and tools MS Windows Steady State, MS Shared Computer.
• Driving the Project for identifying Drivers, patches, firmware (network, OS etc.), testing them on Test Infrastructure and applying on Production environment.
• Administration of ESXi infrastructure for support and creating old and new infrastructure across the globe. Resource Sizing, resource management etc.
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, WSUS, Microsoft Clustering, Exchange Mail Server and ISA Server. Extensive experience in Windows Servers at single/multi domain environment.
• Experience with 32 bits/64 bits X86 server products of HP, IBM, and Dell, Cisco UCS.
• Experience in installation and configuration of vSphere 6.0/5.1, and vSphere 5.5 products.
• Experience with package and distribution of software and Windows Security Patches.
• Experience creating Microsoft Installer (.msi) packages.
• Excellent communication, leadership and inter-personal skills with effective working independently and in team environments.

TECHNICAL SKILLS

Hardware Environments: Intel Based Systems and SCSI RAID Controllers, HP ProLiant, IBM x-Series, Dell Power Edge Series servers.

Software/OS Environments: Windows Server, Win 7/10 Work Stations and RHEL, Debian, CentOS.

Storages: Autoloaders, Ultrium Tape drives, HP San Array, Cisco UCS Storage

Network Environments: TCP/IP, DNS, SMTP, DHCP, WINS, FTP, Switches, Routers

Monitoring Tools: Net Brains, Splunk, Wireshark, ScienceLogic, Zabbix, PRTG.

Remote Applications: SSH server, Terminal Services, VNC, pcAnywhere, Citrix server, WinSCP

Database: MS-SQL Server 2016, MySQL

WEB Technologies: Microsoft IIS, Apache, PHP and WINS

Encryption: Bit locker, Last Pass Symantec (PGP)

File System: NTFS, FAT 32 file systems, DFS

Mail /Messaging servers: MS Exchange 2013/2016, IBM Lotus Notes, Q-Mail, Send Mail

Backup Tools: Veritas backup Exec for Windows, Commvault, Windows backup

Antivirus Tools: Trend Micro, MacAfee, Carbon Black and Symantec, F-Secure, Nessus, Tenable

Others: VMware ESXi Server, PowerShell, SharePoint Server, WSUS, Adobe Photoshop, Dreamweaver and HTML, Workbook.

PROFESSIONAL EXPERIENCE

Confidential - CA

Windows Administrator

Responsibilities:

• Use VMware update manager to create or edit baselines and baseline groups
• Perform upgrades to operating systems and layered software packages (ie. VDI components, Windows services, or other enterprise apps) as necessary
• Performing backups, troubleshooting and problem resolution for servers associated with a VMware virtual infrastructure
• Maintain, upgrade, and implement improvements to the VMWare ESXi infrastructure
• Assists in the evaluation, recommends negotiations and contracts for the purchases of system software products
• Performs technical analysis, installation, maintenance and modification of operating system software
• Troubleshoots and resolves problems and monitors system performance while simultaneously support staff engaged in similar efforts
• Used VMware vCenter Operations Manager ( vROPS / vRealize) for server and workstation monitoring
• Responded to server down alerts in a timely manner and brought them up via HP iLO/ Dell DRAC.
• Migrated Windows 2008 R2 to 2016 successfully.

Confidential, Texas- Austin

Sr.System Administrator ( Linux)

Responsibilities:

• Maintained, Managed multiple Location (13 different sites) of ACC Cluster Environment in Austin locations for Replication and backup.
• Led technical site relocation project involving up to 250 servers successfully completing project in a single run.
• Diagnosed and resolved complex load balancing issue by phone for global site amazing and satisfying client.
• Used Dell Open Manage Server Administration Tool to look up and update the Dell servers and storages.
• Coordinated resources with varied programming expertise to create a holistic solution to system update and service interruption issues.
• Educated users on business interruption risk and received their buy in for system standardization and update.
• Experience with and strong knowledge of host-based storage technologies, for example Veritas Storage Foundations, EMC PowerPath
• Created a process for system updates to minimize risk of application failures.
• Assisted in maintaining systems in lab environments at various sites
• Provided support on weekends and odd hours to ensure little to no disruption of local and operational systems during scheduled maintenance and outages
• Managed daily activities to include user support and system administration tasks
• Provided Tier 1 (Help Desk) problem identification and Tier 3 (Watch Desk) support during normal to semi-critical situations
• Creating File Systems, Disk Groups, and Volumes/Increasing File Systems using VERITAS/SVM In RHEL 4/5.
• Installed, configured, and updated Linux machines, with Red Hat, Debian, and CentOS.
• Troubleshoot, analyze and resolve computer problems related to both hardware and software.
• Installed Configured ESXi Hosts with virtual network interface cards.
• Researched and consulted with customer on new hardware purchases to insure that the proper equipment was purchased which provided high productivity within their budget.
• Created shell scripts and cron jobs that monitored and reported security issues
• Resolved security vulnerabilities by analyzing and recommending improvements in communications and network security at the component level
• Ensured business continuity by designing, implementing and testing disaster recovery systems
• Managed, monitored and tested individual and group user access privileges and security
• Created checklists and collected audit data for compliance with FERPA certifications.
• Developed, implemented and verified security policy and access management compliance
• Monitored system performance and prevented resource exhaustion using ssh, sar, vmstat, iostat, netstat and nmon
• Inventoried and administered Red Hat Enterprise Linux (RHEL),Debian 9, CentOS 7, FreeBSD, and VMware ESXi servers, writing several utilities to manage them simultaneously.
• Maintained Level 1 and 2 CIS Control Standards for Linux and Windows VMs and Hardware
• Installed and configured Nagios, Ngnix, Zabbix system monitoring, 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.
• Build virtual Linux server and Windows server using VMWare and Citrix Xen when needed for testing.
• Installing and maintain Sendmail, Postfix, QMail, DNS and OpenVPN servers
• Tested and applied new software and programs.
• Experience on implementing PRTG, Migrating VMware, VMotion in cluster Environment using PowerShell.
• Mounting Installing Dell Power Edge Series Servers with Storage (SAN/NAS) fiber channel. ( VMAX and VNX) Dell EMC.
• Updating Server firmware hardware, to the latest and patching them to the latest.
• Experience on troubleshooting issues DELL / IBM/ HP Tape & PowerVault Disaster Recovery.
• Installed New APC smart UPS with PDU for provisioning new servers on rack.
• Experience working on IBM workbooks ( documentation and automate Scripting )

Environment: (VMWARE/Access points /Debian9 /CentOS 7.x/RedHat /PRTG /CIS Controls /Zabbix/ WinSCP/ Windows servers 2k8 ;12 ;16/19)

Confidential - Charleston

VoIP Engineer

Responsibilities:

• Administer and monitor Cisco Call Manager 11.5 Cluster (12000+ users)
• Expert understanding of the following Cisco Unified Communication Products: Call Manager (versions 6.x /7.x/8.x/9.x/10.x), Unity and Unity Connection, Cisco Emergency Responder
• Day to day support/administration of Call Manager, Unity Connection, UCCX, Arc Console,
• Excellent experience using Cisco call manger, unity voice mail, and voice gateways.
• Used PowerShell to Create Customized script on day to day purpose.
• Administer and monitor Cisco Unity Connection
• Administer and monitor Cisco UCCX
• Write custom advanced scripts for UCCX
• Design, implement and maintain VMware vSphere infrastructure. Monitor troubleshoot and capacity planning of vSphere environment.
• Strong experience in designing, implementing and supporting Cisco VOIP technologies. killed in installation, configuration of Cisco Expressway, VCS, Call Manager CUCM, CUCe, Contact Center, various Cisco IP/Video endpoints, Jabber for Android/IOS, Cisco Unity connection
• Supported implementation and deployment of Hard and Soft endpoints such as 7965, 8851, 8861, 8831, 3905, 8821, C-20, 40, 60 and C-90, EX 60 and EX 90, SX 10, SX 20, SX 80 and expansive conference room Codec MX 200, 300 and 700, 800 Series with Touchpad 8, 10 as well as soft endpoint Cisco IPC and Jabber
• Customize UCCX Finesse Desktops (including Wallboard gadget integration)
• Create custom UCCX CUIC Reports
• Administer and monitor Cisco Arc Operator Console for 12 Operating Companies
• Configure centralized CUBEs and SIP at Datacenters
• Configure and troubleshoot local SIP, PRI, or POTS at branches
• Configure and troubleshoot (IP and via FXO/FXS)
• Creating complex call flows through the various CUCM platforms
• Configuring all aspects of VoIP services (CUBE, CUCM, Router Voice Config) for new locations
• Troubleshoot QOS and voice quality issues
• Documentation implementation of ITIL standards in Workbook.
• Configured separate of vLan for voice gateways.
• Work with OpCo's to gather information
• Order/configure new equipment for VoIP projects
• Performance monitoring and analysis for VoIP
• Address basic to advanced technical issues and provide end user education / instruction.
• Document the process and procedures for VoIP conversion.
• Ensures VoIP platforms are kept currently patched from the approved vendor source to reduce
• Inform cast, e911, video, VoIP reporting and WebEx.
• Deploying Singlewire paging gateways for Informa Cast across the Wan Network
• Administer and monitor WebEx
• Administer and monitor Cisco Expressways, VCS, and CMR
• Research solutions that benefit all OpCos to reduce costs and increase functionality.
• Involvement with incident and problem management activities.
• Provide escalation support for networking issues and to collaborate with the networking team when necessary.

Environment: (CISCO Catalyst/ Routers/ VMWARE/ Access points / ASA Firewalls / Call Manager versions 6.x /7.x/8.x/9.x/10.x /VoIP /Cisco WebEx)

Confidential - NY

Windows Firewall Administrator

Responsibilities:

• Consolidate and standardize documentation, standards, and policies.
• Designed system to streamline management of multiple firewalls using shell, perl, and keyed ssh.
• Implemented the Policy Rules, DMZ and Multiple VDOM's for Multiple Clients.
• Implemented IPS, DLP and UTM features on the firewall for added security purposes.
• Provides analysis of data traces from protocol analyzers and traffic generators.
• Identify rules that allow traffic over unsecure ports, as well as rules that allow traffic to or from non-existent IP addresses recommend those rules for remediation.
• Responsible for rule usage reporting, rule analysis pertaining to least access
• Collaborate and coordinate with technology and business leads on the investigation and resolution of rules and policies out of scope.
• 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
• Used Wireshark to Capture and analyze SIP/SDP, RTP, TCP, UDP, IP Packets
• Configured program, port for programs or services that are acting as servers, listeners, or peers
• Program, port, and system service rules are managed on an ongoing basis as your server roles.
• Productivity tools including Office 2013, O365, browsers and security hardening for Citrix.
• Expert skills of Microsoft Windows Server 2008/2012 Operating Systems
• Enhanced team productivity and automated repetitive tasks by using batch files, PowerShell, VBScript and WMI.
• Worked directly with Incident Lifecycle Coordinators to provide initial incident response.