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Theodore Schenke
IT Cybersecurity Specialist at DISA
Sierra Vista, AZ, United States
Details
Experience:
2022 : Present
DISA
IT Cybersecurity Specialist
Provided infrastructure support services for operating systems, workstations, and servers. Managed and maintained existing infrastructure, to include RHEL/LINUX and Solaris servers. Ensured systems and applications operated seamlessly. Coordinated, directed, and performed software installation, configuration, maintenance, upgrades, and version currency and refresh of infrastructure and devices. Large emphasis on new system builds utilizing vSphere, RHEL Satellite, Ansible, Puppet, NFS, Subversion, and other tools.
2021 : 2022
SAIC
Unix Systems Administrator
Daily maintenance of RedHat Linux and Solaris UNIX systems. Installed, configured, and maintained servers using the RedHat Linux and Solaris operating systems based on internally developed processes. Monitored log files, performance issues, and the production environment for mission critical systems. Maintained integrity of the operating system environment and performed system software upgrades including planning and scheduling, testing, and coordination. Coordinated disk space planning and management. Performed data backups and recoveries. Maintained growth statistics, space forecasts, tape libraries, and software and hardware inventories. Monitored and maintained continuity with system software licensing and maintenance agreements. Provided recommendations regarding hardware and system software planning and budgeting. Maintained production change control schedule and participated in change control. Ensured compliance with established standards, policies, and configuration guidelines to ensure the security posture of the environment.
2019 : 2021
DirectViz Solutions, LLC
UNIX Systems Administrator
Installed Remedy software, upgrades, and patches, and configured out-of-the-box Remedy functionality in versions 7.6 and 8.1 to meet IT/Business needs. Evaluated and assessed the fit between requirements and the Remedy application suite capabilities in support of the department’s philosophy of using standard out-of-the-box functionality, minimizing customizations where possible. Identified, troubleshot, and resolved BMC Remedy application issues including root cause analysis. Integrated Remedy with Enterprise monitoring tools and proactively monitored Remedy applications. Performed risk identification, assessment, remediation, and performance tuning. Conducted user training for IT/Business as required. Created all necessary documentation/SOPs, training materials, and user guides. Maintained skills and capabilities through education, training, and hands-on experience. Contributed to customization, configuration, upgrades, and further integration of the Enterprise Monitoring and Management system, specifically using IBM/Tivoli core products.
2017 : 2019
STG Inc.
BMC Remedy ITSM Administrator
As a Shift Lead, monitored the workload and assigned personnel to specific tasks as necessary. Provided verbal and written communication for team members for current and on-coming shifts. Provided reporting to the Operations Bridge Managers for situational awareness of developing trends and issues that were affecting end users. Responsible for consolidating, calculating, and maintaining the team’s ticket count and accuracy data each week for reporting purposes. As an Analyst, assisted customers with various hardware and software related issues by translating requests into logical format for use by technicians in troubleshooting. Created trouble tickets for technical teams to include Active Directory, CND, HBSS, Network Proxy, and many others. Conducted quality checks with customers to ensure their requests were completed to satisfaction.
2016 : 2017
STG Inc.
Computer Operator
DISA
IT Cybersecurity Specialist
Provided infrastructure support services for operating systems, workstations, and servers. Managed and maintained existing infrastructure, to include RHEL/LINUX and Solaris servers. Ensured systems and applications operated seamlessly. Coordinated, directed, and performed software installation, configuration, maintenance, upgrades, and version currency and refresh of infrastructure and devices. Large emphasis on new system builds utilizing vSphere, RHEL Satellite, Ansible, Puppet, NFS, Subversion, and other tools.
2021 : 2022
SAIC
Unix Systems Administrator
Daily maintenance of RedHat Linux and Solaris UNIX systems. Installed, configured, and maintained servers using the RedHat Linux and Solaris operating systems based on internally developed processes. Monitored log files, performance issues, and the production environment for mission critical systems. Maintained integrity of the operating system environment and performed system software upgrades including planning and scheduling, testing, and coordination. Coordinated disk space planning and management. Performed data backups and recoveries. Maintained growth statistics, space forecasts, tape libraries, and software and hardware inventories. Monitored and maintained continuity with system software licensing and maintenance agreements. Provided recommendations regarding hardware and system software planning and budgeting. Maintained production change control schedule and participated in change control. Ensured compliance with established standards, policies, and configuration guidelines to ensure the security posture of the environment.
2019 : 2021
DirectViz Solutions, LLC
UNIX Systems Administrator
Installed Remedy software, upgrades, and patches, and configured out-of-the-box Remedy functionality in versions 7.6 and 8.1 to meet IT/Business needs. Evaluated and assessed the fit between requirements and the Remedy application suite capabilities in support of the department’s philosophy of using standard out-of-the-box functionality, minimizing customizations where possible. Identified, troubleshot, and resolved BMC Remedy application issues including root cause analysis. Integrated Remedy with Enterprise monitoring tools and proactively monitored Remedy applications. Performed risk identification, assessment, remediation, and performance tuning. Conducted user training for IT/Business as required. Created all necessary documentation/SOPs, training materials, and user guides. Maintained skills and capabilities through education, training, and hands-on experience. Contributed to customization, configuration, upgrades, and further integration of the Enterprise Monitoring and Management system, specifically using IBM/Tivoli core products.
2017 : 2019
STG Inc.
BMC Remedy ITSM Administrator
As a Shift Lead, monitored the workload and assigned personnel to specific tasks as necessary. Provided verbal and written communication for team members for current and on-coming shifts. Provided reporting to the Operations Bridge Managers for situational awareness of developing trends and issues that were affecting end users. Responsible for consolidating, calculating, and maintaining the team’s ticket count and accuracy data each week for reporting purposes. As an Analyst, assisted customers with various hardware and software related issues by translating requests into logical format for use by technicians in troubleshooting. Created trouble tickets for technical teams to include Active Directory, CND, HBSS, Network Proxy, and many others. Conducted quality checks with customers to ensure their requests were completed to satisfaction.
2016 : 2017
STG Inc.
Computer Operator
Company:
DISA
Spoken Language:
English
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