Windows Server Active Directory
Resume:
William D. Swallow
*********@***.***
EDUCATION
Pennsylvania State University, University Park, PA
B.S. in Computer Science
CLEARANCE
Currently Active Secret
Formerly TS/SCI, currently Inactive
EXPERIENCE
Maximus, Inc, McLean, VA
Leader, Client Service Track (Senior Engineer, Systems), March 2021 – August 2024
Highly experienced in Windows Server Administration (Windows 2022 – Windows 2012 R2, Active Directory)
Administered and secured three Active Directory domains comprising over forty Windows Servers with minimal downtime
Experience in planning, designing, installing, managing, configuring, securing, and upgrading Active Directory, from Windows 2000 through Windows 2022
Experience in configuring and implementing Active Directory Organizational Units and Group Policies
Not a DBA, but familiar enough with SQL Server install and configure it, back up and restore databases, run scripts, and work under the direction of a DBA. Has access to a database administrator for support and consultation
Worked with application managers to implement Kerberos authentication in Active Directory for security requirements
Worked with application managers to implement PIV/CAC certificate authentication in Active Directory for secure access to both servers and applications
Experience in establishing and configuring trust relationships between independent Active Directory domains
Highly experienced in Security Remediation via DISA STIGs; helped secure security ATO for client’s systems
Received and processed weekly incoming ISVMs (Information Security Vulnerability Management reports), improved usability of ISVM report such that the ISSO (security officer) commended them for making her job easier
Experienced in Network Administration (TCP/IP, DNS, DHCP)
Familiar w/ Hyper-V (3 years) and VMware (6 years) Virtualization, including experience in vSphere and vCenter
Highly experienced in WSUS Patch Management
Experienced with Microsoft’s Sysprep and Windows Deployment Services tools
Currently studying Microsoft Endpoint Configuration Manager in my home Active Directory domain
Experienced in Trellix EPO Security Suite
Highly experienced in Procedure Development and Documentation
Created a new library of over thirty procedures documents and tutorials comprising over 20 MB of text for both engineers and end users; introductory document for new users helps them get up to speed with minimal assistance
Basic experience in Microsoft Powershell; currently continuing study in this area
Successfully migrated client’s systems through multiple generations of upgrades
Created a sandboxed standalone development/test environment for the client
Experienced in Task planning and team lead efforts
Detail-oriented, Diligent, and Focused on Teamwork and the Client’s Success; largely self-directing and self-managing
Maintains home Domain and IT Lab for self-education
Attain, LLC, McLean, VA
Senior Engineer, Systems, June 2018 – March 2021
Highly experienced in Windows Server Administration (Windows 2019 – Windows 2012 R2, Active Directory)
Highly experienced in Security Remediation via DISA STIGs; helped secure security ATO for client’s systems
Experienced in Network Administration (TCP/IP, DNS, DHCP)
Familiar with VMware Virtualization
Highly experienced in WSUS Patch Management
Experienced in McAfee EPO Security Suite
Highly experienced in Procedure Development and Documentation
Completely overhauled all existing procedures documents for Windows systems, replacing many and writing many more from scratch, with a focus on understanding and explaining why things are being done this way
Successfully migrated client’s systems to new operating systems, security suites, and applications
Experienced in Task planning and team lead efforts
Detail-oriented, Diligent, and Focused on Teamwork and the Client’s Success
GDIT / CSRA / Computer Sciences Corporation (CSC), Falls Church, VA
Senior System Administrator, December 2004 – June 2018
Administer 25 user PCs and 90 Windows 2008/2008 R2/2012 R2 servers in four Active Directory domains
Helped manage separation of corporate networks / IT systems when CSC spun off the new CSRA entity
Helped lead first team to achieve Full ATO to host DISA-certified DTRA portals outside a DTRA facility
Planned, supervised, and implemented a 130% increase in server capacity over seven years
Developed, maintained, and deployed 26 standard baseline images for servers, desktops, laptops, and VMs
Assisted in IA Security Remediation efforts for EPA's Great Lakes District
Organized / documented all data center facilities; created 550 data center documents from scratch
Overhauled backup systems, reduced backup systems by 60%, expanded backups to cover entire data center
Participated in major physical upgrades to data center network infrastructure
Helped lead effort to design, implement, and document full DMZ for entire data center operation
Participated in full formal security audits of major client systems and rapid remediation of findings
Helped save the company $1 million by successfully recovering audit data from obsolete backup systems
Reduced time needed to provision new servers by 80% while reducing errors and enforcing consistency
SKILLS and CERTIFICATIONS
Organization
Certification
Date Received
Active / Inactive
CompTIA
Security+
2011, 2014, 2017
Inactive (working to renew)
Microsoft
MCSE
2001
Inactive
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