Systems Administrator Windows Server
Resume:
Gregory Walker
Bowie, MD ****1
****************@*****.***
Veterans Preference: 5 Point
Country of Citizenship: United States of America
Highlights and Certifications: Active Top Secret SCI with poly Security clearance. Azure Administrator Associate certificate. CASP+ certificate. Proficient in Remedy ticketing, Active Directory, Group Policy, DNS, DHCP, RDP, Exchange Server, VSphere, Cisco switches, Trusted Gateway servers, Office suite, VMware, SecureView, WSUS Windows 10, Windows Server 2019, SCCM, SCAP Tool, STIG Viewer and Trellix EPO.
Experience
NTELX
Suitland, MD
From: July 2022 To: Present
Position: Senior Systems Administrator
Troubleshooting network protocols such as DNS, TCP/IP, SMTP & SNMP.
Created scripts to fix vulnerabilities from ACAS scans for both servers and workstations.
Implemented multiple Server 2016, and Server 2019 Group Policies in accordance with DISA STIG requirements.
Use SCAP tool and STIG viewer to verify Servers and Workstation are compliant with DISA Requirements.
Managed Active Directory for account creation, password resets, and configured user accounts to use smart tokens for over 80 personnel.
Configured WSUS to install monthly Microsoft Patches.
Configure SCCM Server to push Third party updates.
Build and install Windows 10 images for Windows operating systems.
Install Windows Server 2016/2019 on new servers.
Install, upgrade, and maintain Windows Server 2016/2019 infrastructure.
Zenetex
Suitland, MD
From: December 2021 To: July 2022
Position: Systems Administrator Level III
Created scripts to fix vulnerabilities from ACAS scans for both servers and workstations.
Deployed, upgraded, configured, and administered nine VMs across several servers and 100 workstations, ensuring application continuity.
Use McAfee EPO to update virus definitions for servers and workstations.
Created multiple Windows Server 2008 R2 and 2012 R2 Group Policies in accordance with DISA STIG requirements.
Install Windows Server 2016 on new servers.
Install, upgrade, and maintain virtual and physical Windows Server 2012 R2/2016 infrastructure.
Leidos
Suitland, MD
From: June 2020 To: December 2021
Position: Systems Administrator Level III
Created scripts to fix vulnerabilities from ACAS scans for both servers and workstations.
Trained several personnel to deploy and install SecureView for over 100 workstations with multiple domains.
Managed a major move of more than 60 workstations, Crestron, VTC, and multiple televisions in timely manner to resume operations.
Deployed, upgraded, configured, and administered nine VMs across several servers and 100 workstations, ensuring application continuity.
Use McAfee EPO to update virus definitions for servers and workstations.
Created multiple Windows Server 2008 R2 and 2012 R2 Group Policies in accordance with DISA STIG requirements.
Work with ISSO for Windows Server 2016 accreditation and policy implementation.
CACI International
Suitland, MD
From: September 2018 To: June 2020
Position Systems Administrator Level II
Installed custom software packages via Windows Package Publisher for over 80 workstations.
Troubleshooting network protocols such as DNS, TCP/IP, SMTP & SNMP.
Implemented multiple 2008 R2 and 2012 R2 Group Policies in accordance with DISA STIG requirements.
Managed Active Directory for account creation, password resets, and configured user accounts to use smart tokens for over 80 personnel.
Configured WSUS to install monthly Microsoft Patches.
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