Experience

Stone Door Group
• United States
• IT Services and IT Consulting
• 1 - 100 Employee
• Consultant

  • Jul 2023 - Present


MarFirst Fed

• United States
• Information Technology & Services
• 1 - 100 Employee

• Linux Administrator

  • Apr 2022 - Dec 2022

  Build Red Hat 7 VMs utilizing vSphere 6.7. Create basic shell scripts to assist with detailed monitoring of nationwide application log files and script output. Update/maintain multiple RHEL 7.9 configuration files when application additions called for them. Build Red Hat 7 VMs utilizing vSphere 6.7. Create basic shell scripts to assist with detailed monitoring of nationwide application log files and script output. Update/maintain multiple RHEL 7.9 configuration files when application additions called for them.



Kforce\CenturyLink

• Senior Systems Engineer

  • May 2020 - Apr 2022

  Patch Windows workstations/servers utilizing WSUS. Prepare RPM package updates, bug fixes and security patches for CentOS 6 and 7 VMs utilizing Spacewalk systems management solution. Utilize KACE systems management appliance to push third party application patches to Windows workstations/servers. Familiarize and test Red Hat Kickstart configuration file to assist with building RHEL 7 VMs. Patch Windows workstations/servers utilizing WSUS. Prepare RPM package updates, bug fixes and security patches for CentOS 6 and 7 VMs utilizing Spacewalk systems management solution. Utilize KACE systems management appliance to push third party application patches to Windows workstations/servers. Familiarize and test Red Hat Kickstart configuration file to assist with building RHEL 7 VMs.



Obsidian Global

• Computers and Electronics Manufacturing

• Linux Systems Administrator

  • Nov 2018 - May 2020

  Build Red Hat 7 VMs for Development environment, utilizing vSphere 6.5. Administer Red Hat Satellite server 6.3.1, maintaining products, content views and activation keys for Dev environment. Upgrade Red Hat Satellite server from version 6.3 to 6.4, and then to version 6.5. Update/maintain vSphere templates used to build RHEL 7 VMs. Initiate Red Hat Ansible Tower learning. Build Red Hat 7 VMs for Development environment, utilizing vSphere 6.5. Administer Red Hat Satellite server 6.3.1, maintaining products, content views and activation keys for Dev environment. Upgrade Red Hat Satellite server from version 6.3 to 6.4, and then to version 6.5. Update/maintain vSphere templates used to build RHEL 7 VMs. Initiate Red Hat Ansible Tower learning.



CIS Federal/aXseum Solutions

• Systems Administrator

  • Mar 2017 - Oct 2018

  Configure and maintain image deployment server, utilizing Microsoft Deployment Toolkit (MDT) and Windows System Image Manager (WSIM). Maintain/update Windows 10, Windows 7, Server 2008 R2, Server 2012 R2 and Server 2016 master images, MDT task sequences, applications and drivers for various hardware platforms. Create offline media with MDT for use in non-networked environments, complete with Windows Operating Systems and various applications, including MS Office, Adobe products and McAfee anti-virus. Upgrade MDT servers to MDT x64, in order to support Windows 10 and Server 2016. Manager MDT replication from physical test server to VMware production server. Provide application support as needed. Show less



Sotera Defense Solutions, Inc.

• United States
• Defense and Space Manufacturing
• 100 - 200 Employee

• Systems Administrator

  • Aug 2016 - Feb 2017

  Develop basic Red Hat Enterprise Linux skills utilizing RHEL 6.6. Resolve package dependencies as no Red Hat Yum repository currently exists. Test various applications to enable file transfer from Windows fileshares to Red Hat servers. Build/configure Windows Server 2012 R2 virtual machines utilizing Microsoft Hyper-V. Utilize Windows Server Updates Services (WSUS) to keep Windows workstations/servers up to date with latest patches. Develop basic Red Hat Enterprise Linux skills utilizing RHEL 6.6. Resolve package dependencies as no Red Hat Yum repository currently exists. Test various applications to enable file transfer from Windows fileshares to Red Hat servers. Build/configure Windows Server 2012 R2 virtual machines utilizing Microsoft Hyper-V. Utilize Windows Server Updates Services (WSUS) to keep Windows workstations/servers up to date with latest patches.



Cherokee Information Services/TTC

• Systems Administrator

  • Jul 2012 - Aug 2016

  Configure and maintain image deployment server, utilizing Microsoft Deployment Toolkit (MDT) 2013 Update 2 and Windows System Image Manager (WSIM). Maintain/update Windows 10, Windows 7, Server 2008 R2 and Server 2012 R2 master images, MDT task sequences, applications and drivers for various hardware platforms. Create offline media with MDT for use in non-networked environments, complete with Windows Operating Systems and various applications, including MS Office, Adobe products and McAfee anti-virus. Upgrade MDT servers to MDT 2013 Update 2, in order to support Server 2012 R2 and Windows 10. Manager MDT replication from physical test server to VMware production server. Provide application support as needed. Show less



Metro Research Services

• United States
• Research Services
• 1 - 100 Employee

• Windows Systems/Network Administrator

  • Nov 2009 - Mar 2012

  Maintained and troubleshot all aspects of Windows server administration, including DHCP, NTFS Security, Network Shares, Printer management, Domain Account creations and FTP server setup. Procured parts used to build and configure new Windows 7 PCs, replacing outdated Windows XP hardware. Set up 10-user PC lab using NComputing virtual desktop devices. Migrated from Microsoft Small Business Server 2003 to updated Dell hardware running VMware, with multiple virtual machines running Server 2008 R2. Maintained satellite office connectivity and PCs. Installed, configured and maintained SonicWALL TZ 210. Designed and installed internal wired office network and external wireless network to be used by clients for Internet access. Monitored/maintained tape backups, consisting of Quantum LTO4 tape drive and Symantec's Backup Exec 2010 R2. Provided application support as needed. Show less



Transaction Network Services

• United States
• Telecommunications
• 700 & Above Employee

• Windows Systems Administrator

  • May 2008 - Nov 2009

  Maintained and troubleshot all aspects of Windows server administration, including DHCP, NTFS Security, Permissions, Network Shares, and Domain Account creations. Configured new servers utilizing both Windows Server 2003 and 2008. Monitored/maintained backups for international network, consisting of Spectra Logic tape drives and Symantec's Netbackup software. Maintained backup tape inventory, including preparing secure containers for off-site storage. Participated in off-hours rotation to keep Windows servers current with latest Windows Updates. Provided application support as needed. Show less

• Installation Control Technician II-III

  • Jan 2000 - Apr 2008

  Coordinated Bell and telcos testing, accepting and disconnecting DS0/DS1/DS3 level circuits. Troubleshot IP protocol and router connectivity problems. Monitored TNS field technicians, customer contacts and subcontractors on the installation of Cisco routers at customer sites and in TNS POPs. Installed/troubleshot Blue Network portion (terminal servers, hub routers) and Red Network Core routers (7200s, 7500s) at new POP sites. Trained co-workers on increased circuit test capabilities of latest Cisco router controller cards. Built config files in preparation for new T1s/trunks into Excel switches. Show less



PSINet/Transaction Network Services

• IP Network Technician II

  • Jun 1999 - Jan 2000

  Maintained and troubleshot all TNS IP network elements, including Cisco Routers and Digital Link CSU/DSUs. Troubleshot IP protocol and Cisco IOS problems, Network Address Translation (NAT) and encryption. Trained other technicians on router circuit test and acceptance. Managed IP addresses, DNS and router port assignments for secure extranet and internal WAN. Configured and tested ISDN backup for CPE routers. Worked with TNS field technicians on the installation of Cisco routers. Show less



Bell Atlantic, Booz Allen & Hamilton, GTE/Contel Data Services

• Earlier Background

  • 1995 - 1999

  Served as UNIX Systems Administrator at Bell Atlantic Internet Solutions, maintaining functionality and connectivity of UNIX (Sun Solaris and SGI IRIX) and Windows NT machines in RAD group. Also managed configuration of client software that customers and businesses used to connect to the Internet via Bell Atlantic. Served as Senior Consultant at Booz Allen & Hamilton in McLean, VA, and Controls Analyst at GTE/Contel Data Services in Merrifield, VA. In these assignments, held responsibilities in computer security research, data communications, bulletin board systems and analysis/testing of system changes and table updates. Show less