Dedicated Systems Engineer offering over 20 years of expertise in Enterprise Infrastructure systems management. Takes responsibility for ongoing projects and new endeavor planning. Provides deep technical knowledge and common-sense business acumen for initiatives and projects. Experienced in virtualization, team collaboration and mentoring. Committed to reaching business goals through technical management and impactful analyses. Knowledge in ITIL 4 Service management.
Overview
25
25
years of professional experience
1
1
Certification
Work History
Sr. Systems Programmer (Engineer)
City of Dallas
Dallas, TX
07.2017 - Current
Resolve and assigned incident tickets, service requests assigned via Service Now to team.
Enterprise Server Administration of Windows Server 2003 – 2019, to include installation of OS, configuration,
Resolve issues reported from monitoring/alerts tools in support of Active Directory, DNS, DHCP, Group Policy, Azure AD, ADFS, SFTP, SCCM
Communicates Technical perspective with cross functional departments to make recommendations for technical project solutions
Managed Cloud to on-premises migrations within Azure Cloud government environment
Azure monitoring and resource provisioning of Cloud resources
Administer Vendor supports contracts and agreement renewals
Collaborates with other department Managers to assess the technical resource needs,
Managed internal CA authority, applied SSL Certificates on servers and assist in configuration on F5. Generate and SSL certificates
Managed SSL Certificates procurement from GoDaddy and installations in IIS, Apache/Tomcat
support of the City-wide applications to ensure consistent operation of all technical equipment and applications to provide 24x7, 365-day operation of critical production systems. On-Call support shifts
Maintained storage and allocated disk space of SANs of Dell Powerstore, Pure Array, Hitachi arrays
Administration of VMWare vSphere 6.x Enterprise suite of products – vRealize, Log Insights, Horizon View. maintained a small Hyper V environment for Police dept
Manage the SCCM environment that maintains security compliance for the organization by deploying published monthly Microsoft security updates. Address Security vulnerabilities identified by the IT Security team
Resolve and assigned incident tickets, service requests assigned via Service Now to team.
Systems Engineer
General Wireless dba RadioShack
Fort Worth, TX
07.2016 - 07.2017
Enterprise Server Administration of Windows Server 2003 – 2012R2 administration, including decommission of servers at end of life.
Novell iManager/E-Directory, Identity Management, Dir XML, Active Directory administration, Group Policy management
NetIQ Access Manager, SCOM 2007 dashboards and monitoring, addressed issues reported via SCOM alerting
HP Blade systems and HP DL Generation server maintenance,
Big IP F5 load balancer, VMWare vSphere 5 administration (400+ VMs), ESXi 5.5 hosts, Avocent DS View 3.0, Implement and Automated Windows Software Updates via SCCM 2007
Maintained Active Directory Certificate Services, DigiCert SSL Certificate renewals and installation, conducted Root CA renewals, Maintained Enterprise Certificate Authority server, IIS Configuration, FTP/SFTP application setup,
Provisioned Users access to Shared folders, assigned access rights, assisted with PCI Audit compliance
Provided level 3 support on reported issues and fulfilled work requests from BMC Remedy system.
IT Senior Systems Administrator
Fort Worth Independent School District
Fort Worth, TX
01.2012 - 07.2016
Team leader of 9-person team that supported Telecom, Network and Server Administration
Administration and maintenance of Datacenter hardware – Cisco UCS SAN, EMC VNX7500, CX480 and CX380 SANs management, Dell chassis servers, HP Blade Systems, EMC Avamar Backup and restores, Power supplies, Chillers, and gas generators monitoring
Solarwinds monitoring configuration
Managed several Installation and upgrade projects of Enterprise Applications for district such as EMC Avamar Backup, VDI upgrade project where number of VDIs supported increased from 2,500 to 7,000 capacity, Big IP F5 load balancer upgrade, Microsoft STORSIMPLE/Azure Cloud implementation, administration of Microsoft Windows servers 2008 to 2012R2, decommission of unsupported Windows 2003
OS project which allowed raising of forest level
SQL server 2005 and 2008R2 installations
SQL IDs and permissions configuration
Physical and virtual server installations and configuration
Systems administration of VMWare vSphere ESXi 5.5 Virtual servers (200+) environment and VMWare View 5.1 /Horizon management of approx
7,000 VDIs
Creation of Virtual Servers with OVA templates and ISOs
Managed the MS Active Directory, DNS, DHCP, LDAP and AD LDS administration
Assisted with Identity management, Google ADFS provisioning, Windows Print servers and Group Policies for the domains with use of VB scripting
Procured and Installed SSL certificates on servers and Firewalls utilizing Verisign certs
Managed IIS configuration of Server certificates
Secondary support for Exchange 2010/ Office 365 email system
Assist with email retention software and fulfilling Open Records requests
Secondary support for Cisco VoIP system, Conferencing system, Cisco Unified Communication server maintenance and upgrades
Assisted in the procurement process of vendor contract renewals and license/maintenance agreements
Troubleshooting and resolving end user issues utilizing Numara/Footprints ticket system
Documented Network Services processes in SharePoint for internal Knowledge Base site.
Principal Network Technician
Dallas Independent Schools District
Dallas, TX
02.1999 - 04.2011
Installed and resolved hardware (HP, IBM, UNISYS, and Dell) and software problems utilizing DS Expert, HP Insight Manager, IronPort for spam filtering, SolarWinds monitoring and Microsoft Administration tools
Administration of GroupWise E-Mail system with over 20 Post Offices and 20,000 mailboxes utilizing E- Directory, GW Monitor, and VMWare vSphere ESXi 4.1
Installation and administration of Blackberry Enterprise Server, Notify Link server for Android devices
Configuration of Android devices for email delivery and security policy implementation
Resolved Remedy AR System work tickets and change control modules of 200+ schools’ server hardware and software ensuring minimal network downtime
Configure new Enterprise implementations and ensure the 99.9% availability of client/server applications
Install backup devices and software for approximately 200 school servers – (Arcserve, Backup Exec, and Syncsort)
Team leads on E-Rate Campus Web Server project for creating and maintaining user LAN accounts which encompassed training Teacher Technologists on software applications used to create and manage network accounts
Conducted Site Surveys for network project requirements and assessment of environmental conditions for placement of new LAN equipment
Conducted training for Magnet students on MS Office suite -PowerPoint, Networking and Telecom at Instructor’s requests
Revised and implemented DISD security policy statement in school login scripts
Acted as Lead on the Revision of the Naming Convention standards project for all Network devices and published the documentation on District intranet
Documented procedures for ongoing management of the client/server environment
Provided first-level support on LAN issues which included creating user menus, login scripts and passwords, backing up server, and maintaining printer services
Contacted vendors for additional LAN installations and support maintenance contracts.
Education
BBA -
Texas A&M University - Commerce
Commerce, TX
12-1990
Skills
Team Leadership Abilities
Virtualization Technologies
Project Management Abilities
Enterprise Resource Planning
Communication and Team Collaboration
Software and Hardware Implementation
Virtual and Cloud Technologies
Windows Server
Technical Analysis
Enterprise Server Design
VMware
Team Training
Education Certifications
Bachelor of Business Administration, Texas A & M Commerce, Management Information Systems, CompTIA Network+, CJIS certified, ITIL 4