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Michael Hamelrath

Michael Hamelrath

IT Developer OPS Engineer

On-Star - Teksystem

Greater Detroit Area

Security Solution Architect, Senior UNIX Engineer, Weblogic Admin, Automation Engineer, Software Developer. Database: Oracle Apex and Progress DBA / Developer. Extensive experience in High Availability Clustering, Monitoring, and Network Interfacing to backend Storage, Routers, and LAN switch in a three Tier Architecture PRO...


On-Star - Teksystem

IT Developer OPS Engineer

On-Star –GCCX (Automotive - Communication)
IT Developer OPS Engineer TEKsystems (contractor) 2014 - Present

• Weblogic Middle Administrator - OnStar ASD (Advance System Design) Account
o Middleware Administrator job responsibilities include:
 Install, configure, log monitoring, and administer Weblogic on Unix/Linux SUSE
 Maintenance RSYNC duplication of 10 Development and 10 Test Weblogic servers
 Daily troubleshooting , log monitoring , for all continuous integration projects
 Scripting wlst (Weblogic Scripting Tool) buildt phython scripts for user group creation
 Development of Weblogic Rsync User Guide: duplication process between Environments

o On-Star Environment:
o Each Weblogic server handles 10 domains
 Two Nodemanagers for Weblogic 10.34 and 12.11
 Inclusive to the overview design were several JEE2 Communication Packages
 smsGateways.Packagegateway BigData, FOTA, Seedkey,

• Administration and Development Role
o Git, Jira, and Jenkins Confluence,
o Ability to support and maintain continuous integration (Jenkins, Jira, Stash, Git) stack

• Automation Initiative
o Docker (Containerization) and Ansible (automation)
o ActiveMQ , Jenkins, Private Registry, Weblogic duplication (Rsync)
o RSA Private Keys.
o Operating Systems: Oracle Red hat, Ubuntu

Career medium 05


Security Solution Architect - P&G Account

- Integration of Access Control Security packages
CA Control Minder: Rule based, Kernel module interception
Cyber-Ark: Role base; Full Session Recording, Proxy VNC RDP interception
- Engineer Lead RSA Two Factor Authentication: Successfully drove migration from a character to a GUI based solution. Under aggressive timeline, utilizes best-shore. Developed RPM / Depot delivery packages. Solution RSA into Oracle Exadata Servers and Cyber-Ark security application
- Develop SIS Repository: A business intelligence application, architect for pulling security metadata from (UNIX/ Linux) servers. Eliminating manual effort. Transition application into HP Operations Orchestration
- Project Lead HP Server Automation (SA) Transformation: Migrate legacy in-house sever security scripts. Immediate cost saving by adhere to “Center for Internet Security (CIS) Subscription
- Deloitte Touche: Yearly audits, FDA and Sarbanes–Oxley (SOX) compliancy reporting

Career medium 06