Dirk Hillman
Fort Worth,TX
Summary
- 20+ years of Information Technology experience
- Extensive technical support background
- Highly adept at Windows and network administration
- Experienced with multiple operating systems
- Meticulous, able to multi-task effectively
- Knowledgeable in network security systems
- Excellent verbal and written communication skills
Detail-oriented, organized, and meticulous employee. Works at fast pace to meet tight deadlines. Enthusiastic team player ready to contribute to company success.
Overview
24
24
years of professional experience
Work History
Windows Engineer Liaison
SolArk
01.2024 - 06.2024
- Windows Engineering
- VMWare7.x primary admin
- IIS and SQL support
- Implement new Test and Staging Azure server2022 environment
- Active Directory, Domain Controller troubleshooting and deployment, Group Policy customization via ADM(X) and security enforcement to lock down workstations, servers, disable weak protocols and cipher
- 3rd level support for Windows servers and workstation, Networking and On-Call
- Monitoring and systems maintenance utilizing SCCM and Microsoft App
- Compat
- Toolkit
- PowerShell automation
- Validating new applications through Test, Dev, Stag and into Production
- Vulnerability remediation and server hardening via Group Policy, patching and understanding required ports, locking down others at the firewall
- Project Management assistant including architecting new secured server environment segregations required for Customer, Corporate and Finance related departments
Sr. Systems Administrator Team Lead
BNSF
01.2023 - 12.2023
- Windows Engineer
- Team Lead over6 Windows Admins
- VMWare, Hyper-V and Nutanix admin
- Work to streamline existing processes into ServiceNow automation such as request forms, On-Call and CMDB
- 3rd level support for Windows, Network, WFC and overall VM infrastructure
- Monitoring and systems maintenance utilizing DELL OpenManage Enterprise, SCOM and SCCM
- Work with various departments on new projects and assist with the architectural requirements and application testing
- Review and approve changes within Change Management Board
- Help support over3,000 Windows servers across the country
- Approx20% physical
- Azure support and automation using Terraform
- Primary admin for VMWare using version7.03
- Manage daily virtual environment operations and performance recommendations
- Server vulnerability and remediation using Qualys
- Server hardening using AD Group Policies and SANS recommendations
- Contract with Tech Mahindra
Sr. Systems Administrator/Architect
Fiserv, Inc
07.2021 - 11.2022
- Windows Engineering
- Team Lead over5 Windows Admins
- Primary Active Directory Admin – DNS, Replication, Troubleshooting, Building out new DCs
- Server build automation, OS patching and vulnerability remediation
- Architect new environments per BU requirements
- Ensure vulnerabilities and remediation are done per Qualys, PCI, HIPPA and government standards
- Teir3 On-Call Support
- Asset and Change Management via ServiceNow
- Virtualization
- Azure support and automation
- Primary admin for VMWare
- Manage daily virtual environment operations
- Hyper-V
- Upgraded vSphere and ESXi from6.5 to7.0 U3
- Infrastructure Support
- SAN and NAS support for virtual environments
- Certificate management using Venafi and3rd party tools
- DELL and HP server hardware support
- NetScaler HA, LB and ICA Proxy configurations
- Palo Alto firewall configuration and maintenance support
- HPE OneView and DELL OpenManage
Sr. Systems Administrator/Architect
Santander Consumer USA
09.2017 - 09.2020
- Windows Engineer
- Build and support of Windows servers
- Part of project team reviewing Azure and Office365 requirements
- Lead support for DHCP and KMS
- Assisted with application installation and support for multiple business units
- Provide hardware infrastructure specifications and recommendations for multiple businesses
- Conduct Active Directory support
- PKI support including Microsoft CA support, SSL cert creation, installation and monitoring
- Automate repetitive tasks using PowerShell and Group Policy
- Ensure patching, monitoring and systems availability
- Configure Windows Clustering including SQL clustering and Always On
- Troubleshoot network and firewall issues as well as complex application issues
- Proposed and implemented new infrastructure design for various business units
- Part of VMWare DR testing and configuration
- 3rd level support for desktop and various server/network issues
- Virtualization
- One of the Primary VMWare administrators
- Assisted with the VM standard configurations for optimal resource utilization
- Upgraded from ESX6.0 to ESXi6.5 and6.7 including hypervisor hardware firmware
- VMWare Powercli, vROPs and vRO to automate tasks and reporting
- Configured vCenter Operations Manager, Update Manager, Distributed Switches and DRS
Sr. Systems Administrator
Experian Information Solutions, Inc
06.2000 - 05.2017
- Windows Administration
- Building and support of Windows servers globally
- Provide server specifications and recommendation for multiple business units
- Automate repetitive tasks using PowerShell and Group Policy
- Ensure patching, monitoring and systems availability
- Configure Windows Clustering including SQL clustering and Always On
- One of3 Sr
- Windows admins responsible for establishing Experian global Windows build specifications
- Troubleshoot routing and firewall issues as well as complex application issues
- 3rd level support for desktop and Exchange issues
- Primary lead for build and support of globally trusted Entrust PKI infrastructure
- Virtualization
- Primary Windows administrator for AWS cloud services project
- One of the Primary VMWare administrators for Experian NA
- Architected and built out one of the first production VMWare clusters housing over800 VMs to date
- Assisted with the VM standard configurations for optimal resource utilization
- Global lead Citrix administrator supporting US, Costa Rica, India and UK client
Education
Bachelor of Science - Biology
Northern Arizona University
Flagstaff, AZ05.1995
Associate of Applied Science - Liberal Arts And Sciences/liberal Studies
Saddleback College
Mission Viejo05-1989
Skills
Software/OS:
- Windows Server2016 /2019/2022
- Office2016 /365
- SQL2016 /2018
- Windows10 /11
- Citrix
- VMware65 /67
- MAT
- Hyper-V
- PowerShell
- Cisco UCS
- Microsoft and Entrust PKI
- ServiceNow
- SCCM
- WhatsUp Gold
Hardware:
- HP ProLiant DL / BL
- HP C7000 Blade Chassis
- CISCO UCS5180 Blade Chassis
- CISCO UCS B200 series
- DELL PowerEdge
- Citrix NetScaler
- XEROX and HP multifunction printers
- Network cabling
- PaaS
Networking & Protocols:
- SAN
- NAS
- LAN/WAN
- Routing
- Telnet
- Ethernet1/10GB BaseT
- DHCP
- Wireless
- TCP/IP
- HTTP
- HTTPS
- DNS
- FTP
- POP3
- IMAP
- SMB
- SMTP
- SSH
- UDP
- NTP
- SNMP
Timeline
Windows Engineer Liaison
SolArk
01.2024 - 06.2024
Sr. Systems Administrator Team Lead
BNSF
01.2023 - 12.2023
Sr. Systems Administrator/Architect
Fiserv, Inc
07.2021 - 11.2022
Sr. Systems Administrator/Architect
Santander Consumer USA
09.2017 - 09.2020
Sr. Systems Administrator
Experian Information Solutions, Inc
06.2000 - 05.2017
Bachelor of Science - Biology
Northern Arizona University
Associate of Applied Science - Liberal Arts And Sciences/liberal Studies
Saddleback College
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