Allen Van Hoosier
Senior RHEL Linux Engineer
US Department of Homeland Security
United States Cancer Institute
United Health Care - California Supreme Court
US Department of Energy
Humana - Yum Brands
Eli Lilly Pharmaceuticals
Commercial Linux Contractor
PROFESSIONAL
MY EXPERTISE IN LINUX TECHNOLOGY
RED HAT ENTERPRISE LINUX (RHEL)
90%
AMAZON WEB SERVICES (AWS)
95%
MICROSOFT AZURE
85%
VMWARE
80%
KUBERNETES
85%
SECURITY HARDENING
90%
TEAM LEADERSHIP
95%
PORTFOLIO
My Portfolio
MY LATEST WORK
Experience
2023-Present
USCIS / DHS
Director of Linux OS Services and Deliverables
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Managing a team of 11 Linux Engineers, overseeing application support for VMWare, AWS/EC2, Windows, and RHEL Linux 7, 8.6, and 9 VMs, all within a Top Secret/CL Polygraph Evaluated Control setting
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Supporting and deploying applications including JBOSS, Tomcat, Weblogic, Websphere, Websphere Liberty, Apache, IIS, and JBOSS.
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Middleware application support for all platforms, including config files (eg., sh files xmls etc), with (depending on platform) RHEL repo java or Oracle JDK java for Weblogic.
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Custom scripting for all platforms to support archiving, symlinking (shell and yaml), primarily in the bash shell
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Updating new release packages, retention of old platform versions, AAP playbook creation and maintenance
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Leading software updates, patching initiatives, and security maintenance, rollback initiatives when applicable
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RPM package management and distribution through SFTP direct to server or rom RHEL Satellite
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Providing project and team management, along with conducting employee reviews and improvement strategies.
June 2022 – March 2023
SAIC/Insight Global
Team Leader
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Led a team of 14 Windows and Linux Engineers, responsible for application support for Azure Cloud and AWS/EC2 Windows and RHEL Linux 8.6 VMs.
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Deploying and supporting applications such as Tomcat, Weblogic, Websphere, and Apache IIS.
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Handled user management through AD and SSSD, VM cloning, creation, and QA.
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Led initiative to 100% automate pipelines and workflows through AAP for OS patching and application updates, SSL renewals
April 2022 – June 2022
US Department of Energy
Team Leader
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Managed a team of 4 RHEL engineers overseeing projects, workflow and technical and performance reviews
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Provided application support for RHEL Satellite, CPAM user management, security configuration, Jboss, Apache, Tomcat, OS security patching, kernel patching, and security upgrades.
November 2017 - April 2022
Humana
Team Leader
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Managed a team of 4 RHEL engineers overseeing projects, workflow and technical and performance reviews
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Provided application support for RHEL Satellite, CPAM user management, security configuration, Jboss, Apache, Tomcat, OS security patching, kernel patching, and security upgrades.
2035-2035
MARBLE
Linux Consultant
Provided expert guidance on RHEL best practices and performance optimization for diverse enterprise clients.
CONTACT
Feel free to reach out to discuss how I can contribute to your Linux and cloud infrastructure initiatives.
