Systems Engineer Senior
Resume:
LEE NGUYEN
**** ******** ***, ********, **, *****
Cell: 949-***-****
Email: ********@*******.***
LinkedIn: https://www.linkedin.com/in/lee-nguyen-8a96893/
SUMMARY
Results-oriented IT professional with 25 years of progressive design, analysis, and support experience. Self-motivated team player with a unique combination of technical, manufacturing, finance, and medical industry expertise. Effectively communicates technical information to both technical and non-technical audiences at all organizational levels. Key strengths include problem-solving, rapid adaptation to new technologies, and quick learning of new applications.
PROFESSIONAL EXPERIENCE
PNC Bank
Sr. Software Engineer (Contractor) April 2025-Present
●Developed and maintained an enterprise-wide Ansible automation framework for software deployment across all Windows systems, improving consistency and reducing manual workload by 85%.
●Created custom Ansible playbooks to enforce Windows OS compliance based on CIS benchmarks, incorporating automated remediation and real-time reporting.
●Automated the deployment of critical Windows security patches across all environments using Ansible, with integrated rollback and error handling for safe updates.
●Engineered zero-touch Windows server builds in VMware via Ansible and vCenter APIs, reducing provisioning time from hours to under 15 minutes.
●Integrated Ansible automation with existing tools (e.g., WSUS, SCCM, PowerShell) for streamlined operations and enhanced visibility.
UBER FREIGHT Frisco, TX
System Engineer III September 2022-April 2025
●Engineered and managed VMware virtualization environment across two datacenters (Dallas and Austin) with 80 ESXi servers and 1,500+ VMs (Windows and Linux)
●Led security hardening initiatives using VMware best practices
●Developed PowerShell automation for VM optimization (CPU hot-add disabling, memory configuration, EVC mode, hardware upgrades, and Windows TRIM disabling)
●Implemented DNS load balancing for redundancy and scalability using PowerShell scripts
●Led deployment of Ansible AWX, reducing server build times from 71 to 10 minutes
●Created Ansible automation for Windows patching, routi
●ne maintenance, and compliance remediation, reducing manual tasks by 85%Assisted in Entra ID implementation and migration of 200 computer objects and users for Azure AD managed services
LEAD ALLIED (UBER FREIGHT) Frisco, TX
Senior Systems Engineer (Contractor) February 2022-August 2022
●Migrated VMware environment from vSphere 6.5 to 7.0, including ESXi, SRM, and vReplication
●Automated password changes for VMware environment and Dell iDRAC through PowerCLI and RACADM
●Supported deployment of Dell R700 servers in Dallas and Austin data centers
AIS HEALTH CARE Dallas, TX
Senior Systems Engineer June 2021-February 2022
●Engineered and administered Hyper-V environment across two regional data centers
●Architected high-availability Remote Desktop Services 2019 across two regions
●Automated software package deployment via Automox for O365, in-house applications, Rapid7 clients, and agents
●Designed zero-touch Bitlocker deployment company-wide
●Managed Cisco switches and ASA firewalls
●Implemented and administered Rubrik backup and disaster recovery platform
KECK MEDICINE OF USC Los Angeles, CA
Senior Infrastructure Engineer December 2019-June 2021
●Deployed Azure VDI infrastructure supporting 1,000 Citrix VDI sessions with ARM templates for Windows server imaging
●Deployed Cloudera Hadoop cluster in Azure using Ansible for RedHat 7.7 orchestration
●Conducted Active Directory cleanup of 12,000+ user and computer objects using PowerShell automation
●Created PowerShell scripts for AD attribute updates, mass subnet imports, and streamlined onboarding/offboarding
●Deployed SCCM/SCOM 2019 across 1,000+ servers for OSD deployment, inventory management, and patching
●Engineered and administered Windows Server (2012-2019), Infoblox DNS, Office 365, Exchange hybrid, DUO, DFS, Azure/Azure AD
YOKOHAMA TIRE Santa Ana, CA
Sr. Systems Engineer March 2015-November 2019
●Project managed O365 hybrid implementation with Exchange 2016, migrating 2,000 mailboxes and deploying Office 365 via SCCM
●Implemented SCCM 2019 in single-site topology for agent deployment, Windows 10 OSD creation, and software distribution
●Administered enterprise infrastructure: Windows Server 2016 AD, Kemp Load Balancer, Dell Compellent, Cisco UCS, WSUS, Commvault, Exchange, Skype for Business, IIS, SQL, Windows Clustering, DFS, VMware, Okta, and Nutanix
●Led VMware Horizon 7.0 implementation with 100 concurrent Windows 10 desktops and Workspace One application virtualization
●Migrated from VMware 5.5 to 6.0
●Led AD migration from 2008 R2 to 2016, raising forest and domain functional levels
●Migrated 3TB of data to Windows 2012 R2 DFS without business interruption
●Migrated from Lync 2010 to Skype for Business
●Implemented ADFS 3.0 for federation with seven vendors
●Managed patching for 500 servers and 800 workstations using WSUS
●Implemented Nutanix hyperconverged infrastructure with Acropolis AHV replacing VMware ESX for cost savings
●Engineered disaster recovery site with Zerto replication achieving 3-minute RTO
●Implemented Okta for MFA and SSO, replacing ADFS
IMPAC MORTGAGE Irvine, CA
Sr. Systems Engineer July 2013-February 2015
●Engineered and administered enterprise applications: SCCM 2012 R2, SCOM 2012, O365, NetScaler, Citrix (XenDesktop/XenApp), VMware ESXi 5.5, DFS, Windows Server (2008-2012 R2), Hyper-V, IIS, SQL, and Windows Clustering
●Led migration from XenDesktop 5.6 to 7.5
●Led Windows Server domain controller migration from 2008 R2 to 2012 R2
●Administered NetBackup 7.6 for backup and recovery
●Migrated SCCM from 2007 to 2012, implementing OSD standards for servers and workstations
●Migrated to Server 2012 DFS file cluster and IIS servers
●Migrated Hyper-V from 2008 to 2012 R2
●Led DR site relocation from Dallas to Denver
●Upgraded NetBackup from 7.0 to 7.5 appliance
●Supported 400+ servers (HP ProLiant, HP SAN, HP Blade C7000, NetScaler, Quantum tape library, Cisco UCS)
PACIFIC LIFE Newport Beach, CA
Systems Administrator (Contractor) February 2013-June 2013
●Installed and configured server-based applications including accounting and database systems
●Administered SCCM 2012 R2 for 200 servers and 500 workstations
●Supported enterprise applications: Citrix XenApp 6.5, SQL Cluster, VMware ESXi 5, McAfee EPO, Lync, Forefront, MS Operations Manager 2007
●Led migration from Office Communicator 2007 to Lync 2010
UNIVERSITY OF CALIFORNIA, IRVINE Irvine, CA
Systems Administrator September 2006-February 2013
●Implemented SCCM 2007, MS Operations Manager 2007, and ForeFront security
●Deployed Windows 2008 TS Gateway, Terminal Server, and Remote App to replace Citrix
●Administered LANDesk for server and workstation patching
●Managed VMware ESXi (versions 4-5) environment with 200 servers
●Led Windows 7 and 2008 deployments using SCCM 2007 OSD
●Supported NetApp and EMC Clariion NAS systems
●Administered Citrix Presentation 4.5 for 200+ users
ST. JOHN KNITS Irvine, CA
Sr. Network Administrator February 2004-September 2006
●Led migration from NT to Active Directory 2000 for 2,000 nodes and 200 servers
●Designed Active Directory sites, services, OU structure, and GPOs
●Implemented VMware ESX 3 server farm for testing and hardware migration
●Architected disaster recovery using iSCSI SAN solution
●Assisted with Windows XP deployment via LANDesk
●Administered enterprise applications: Citrix Presentation Server, SQL Cluster, DFS, Exchange 5.5, RightFax, VERITAS Backup Exec
FIRST AMERICAN TITLE Santa Ana, CA
Network Administrator February 2003-January 2004
●Managed connectivity for 2,500+ users and 250+ servers across multiple locations
●Migrated 250 users to Exchange 2003
●Administered user accounts and permissions for shared resources
●Led Irvine office migration from NT to Active Directory 2003
●Implemented Altiris for software packaging and deployment
●Performed LAN administration including backups, server deployment, and application management
●Administered NetIQ Security, Citrix, SQL 2000, Exchange 2000, RightFax, Symantec Antivirus, Veritas Backup Exec
WASHINGTON MUTUAL Irvine, CA
Technical Analyst II January 2002-February 2003
●Provided technical and business support for loan origination and fulfillment systems
●Created detailed project plans with defined tasks, milestones, and client sign-offs
●Conducted training for Level 1 support and team members
●Collaborated with stakeholders to assess needs and resolve issues
●Analyzed recurring problems and developed targeted training
FIRST AMERICAN TITLE Santa Ana, CA
Desktop Engineer March 2000-January 2002
●Developed desktop computing and networking standards
●Troubleshot hardware, software, and networking issues across multiple platforms
●Performed system backups and recoveries
●Created documentation and informed users of training opportunities
●Installed and configured server-based applications
EDUCATION
DeVry University 2000-2002
Completed 95 credits toward Bachelor of Telecommunication Management
Orange Coast College Costa Mesa, CA 1996-1998
General Education
Dos Pueblos High School Goleta, CA 1991-1995
H.S. Diploma
SKILLS
Hardware: Nutanix, Dell PowerEdge, HP ProLiant, HP Blade C7000, NetScaler, IBM X-Serve, Barracuda, Emulex, Cisco UCS, Quantum Tape Library, NetBackup Appliance 5230
Storage: NetApp, EMC Clariion, HP Left Hand, HP EVAMAN, Pure Storage, HP SAN, Dell Compellent
System Management: WSUS, SMS, SCOM, SCCM, SolarWinds, Altiris, LANDesk, BigFix
Infrastructure: Active Directory (NT through 2019), Group Policy, Novell Netware, Azure
Scripting: VB, Batch, PowerShell
Enterprise: Okta SSO/MFA, RightFax, Microsoft IIS, SQL, MS Cluster, Exchange (5.5 through 2019), Citrix XenApp/Presentation, VMware ESXi, SCOM, PKI, ADFS
Disaster Recovery: VERITAS Backup Exec, NetBackup, VTL, VMware, DoubleTake, REO 4000, NEO 9000, Quantum, Commvault, Zerto, VMware Horizon, Proofpoint, DUO, Cohesity, Rubrik
Developed and maintained an enterprise-wide Ansible automation framework for software deployment across all Windows systems, improving consistency and reducing manual workload by 85%.
Created custom Ansible playbooks to enforce Windows OS compliance based on CIS benchmarks, incorporating automated remediation and real-time reporting.
Automated the deployment of critical Windows security patches across all environments using Ansible, with integrated rollback and error handling for safe updates.
Engineered zero-touch Windows server builds in VMware via Ansible and vCenter APIs, reducing provisioning time from hours to under 15 minutes.
Integrated Ansible automation with existing tools (e.g., WSUS, SCCM, PowerShell) for streamlined operations and enhanced visibility.
UBER FREIGHT Frisco, TX
System Engineer III September 2022-April 2025
●Engineered and managed VMware virtualization environment across two datacenters (Dallas and Austin) with 80 ESXi servers and 1,500+ VMs (Windows and Linux)
●Led security hardening initiatives using VMware best practices
●Developed PowerShell automation for VM optimization (CPU hot-add disabling, memory configuration, EVC mode, hardware upgrades, and Windows TRIM disabling)
●Implemented DNS load balancing for redundancy and scalability using PowerShell scripts
●Led deployment of Ansible AWX, reducing server build times from 71 to 10 minutes
●Created Ansible automation for Windows patching, routi
●ne maintenance, and compliance remediation, reducing manual tasks by 85%Assisted in Entra ID implementation and migration of 200 computer objects and users for Azure AD managed services
LEAD ALLIED (UBER FREIGHT) Frisco, TX
Senior Systems Engineer (Contractor) February 2022-August 2022
●Migrated VMware environment from vSphere 6.5 to 7.0, including ESXi, SRM, and vReplication
●Automated password changes for VMware environment and Dell iDRAC through PowerCLI and RACADM
●Supported deployment of Dell R700 servers in Dallas and Austin data centers
AIS HEALTH CARE Dallas, TX
Senior Systems Engineer June 2021-February 2022
●Engineered and administered Hyper-V environment across two regional data centers
●Architected high-availability Remote Desktop Services 2019 across two regions
●Automated software package deployment via Automox for O365, in-house applications, Rapid7 clients, and agents
●Designed zero-touch Bitlocker deployment company-wide
●Managed Cisco switches and ASA firewalls
●Implemented and administered Rubrik backup and disaster recovery platform
KECK MEDICINE OF USC Los Angeles, CA
Senior Infrastructure Engineer December 2019-June 2021
●Deployed Azure VDI infrastructure supporting 1,000 Citrix VDI sessions with ARM templates for Windows server imaging
●Deployed Cloudera Hadoop cluster in Azure using Ansible for RedHat 7.7 orchestration
●Conducted Active Directory cleanup of 12,000+ user and computer objects using PowerShell automation
●Created PowerShell scripts for AD attribute updates, mass subnet imports, and streamlined onboarding/offboarding
●Deployed SCCM/SCOM 2019 across 1,000+ servers for OSD deployment, inventory management, and patching
●Engineered and administered Windows Server (2012-2019), Infoblox DNS, Office 365, Exchange hybrid, DUO, DFS, Azure/Azure AD
YOKOHAMA TIRE Santa Ana, CA
Sr. Systems Engineer March 2015-November 2019
●Project managed O365 hybrid implementation with Exchange 2016, migrating 2,000 mailboxes and deploying Office 365 via SCCM
●Implemented SCCM 2019 in single-site topology for agent deployment, Windows 10 OSD creation, and software distribution
●Administered enterprise infrastructure: Windows Server 2016 AD, Kemp Load Balancer, Dell Compellent, Cisco UCS, WSUS, Commvault, Exchange, Skype for Business, IIS, SQL, Windows Clustering, DFS, VMware, Okta, and Nutanix
●Led VMware Horizon 7.0 implementation with 100 concurrent Windows 10 desktops and Workspace One application virtualization
●Migrated from VMware 5.5 to 6.0
●Led AD migration from 2008 R2 to 2016, raising forest and domain functional levels
●Migrated 3TB of data to Windows 2012 R2 DFS without business interruption
●Migrated from Lync 2010 to Skype for Business
●Implemented ADFS 3.0 for federation with seven vendors
●Managed patching for 500 servers and 800 workstations using WSUS
●Implemented Nutanix hyperconverged infrastructure with Acropolis AHV replacing VMware ESX for cost savings
●Engineered disaster recovery site with Zerto replication achieving 3-minute RTO
●Implemented Okta for MFA and SSO, replacing ADFS
IMPAC MORTGAGE Irvine, CA
Sr. Systems Engineer July 2013-February 2015
●Engineered and administered enterprise applications: SCCM 2012 R2, SCOM 2012, O365, NetScaler, Citrix (XenDesktop/XenApp), VMware ESXi 5.5, DFS, Windows Server (2008-2012 R2), Hyper-V, IIS, SQL, and Windows Clustering
●Led migration from XenDesktop 5.6 to 7.5
●Led Windows Server domain controller migration from 2008 R2 to 2012 R2
●Administered NetBackup 7.6 for backup and recovery
●Migrated SCCM from 2007 to 2012, implementing OSD standards for servers and workstations
●Migrated to Server 2012 DFS file cluster and IIS servers
●Migrated Hyper-V from 2008 to 2012 R2
●Led DR site relocation from Dallas to Denver
●Upgraded NetBackup from 7.0 to 7.5 appliance
●Supported 400+ servers (HP ProLiant, HP SAN, HP Blade C7000, NetScaler, Quantum tape library, Cisco UCS)
PACIFIC LIFE Newport Beach, CA
Systems Administrator (Contractor) February 2013-June 2013
●Installed and configured server-based applications including accounting and database systems
●Administered SCCM 2012 R2 for 200 servers and 500 workstations
●Supported enterprise applications: Citrix XenApp 6.5, SQL Cluster, VMware ESXi 5, McAfee EPO, Lync, Forefront, MS Operations Manager 2007
●Led migration from Office Communicator 2007 to Lync 2010
UNIVERSITY OF CALIFORNIA, IRVINE Irvine, CA
Systems Administrator September 2006-February 2013
●Implemented SCCM 2007, MS Operations Manager 2007, and ForeFront security
●Deployed Windows 2008 TS Gateway, Terminal Server, and Remote App to replace Citrix
●Administered LANDesk for server and workstation patching
●Managed VMware ESXi (versions 4-5) environment with 200 servers
●Led Windows 7 and 2008 deployments using SCCM 2007 OSD
●Supported NetApp and EMC Clariion NAS systems
●Administered Citrix Presentation 4.5 for 200+ users
ST. JOHN KNITS Irvine, CA
Sr. Network Administrator February 2004-September 2006
●Led migration from NT to Active Directory 2000 for 2,000 nodes and 200 servers
●Designed Active Directory sites, services, OU structure, and GPOs
●Implemented VMware ESX 3 server farm for testing and hardware migration
●Architected disaster recovery using iSCSI SAN solution
●Assisted with Windows XP deployment via LANDesk
●Administered enterprise applications: Citrix Presentation Server, SQL Cluster, DFS, Exchange 5.5, RightFax, VERITAS Backup Exec
FIRST AMERICAN TITLE Santa Ana, CA
Network Administrator February 2003-January 2004
●Managed connectivity for 2,500+ users and 250+ servers across multiple locations
●Migrated 250 users to Exchange 2003
●Administered user accounts and permissions for shared resources
●Led Irvine office migration from NT to Active Directory 2003
●Implemented Altiris for software packaging and deployment
●Performed LAN administration including backups, server deployment, and application management
●Administered NetIQ Security, Citrix, SQL 2000, Exchange 2000, RightFax, Symantec Antivirus, Veritas Backup Exec
WASHINGTON MUTUAL Irvine, CA
Technical Analyst II January 2002-February 2003
●Provided technical and business support for loan origination and fulfillment systems
●Created detailed project plans with defined tasks, milestones, and client sign-offs
●Conducted training for Level 1 support and team members
●Collaborated with stakeholders to assess needs and resolve issues
●Analyzed recurring problems and developed targeted training
FIRST AMERICAN TITLE Santa Ana, CA
Desktop Engineer March 2000-January 2002
●Developed desktop computing and networking standards
●Troubleshot hardware, software, and networking issues across multiple platforms
●Performed system backups and recoveries
●Created documentation and informed users of training opportunities
●Installed and configured server-based applications
EDUCATION
DeVry University 2000-2002
Completed 95 credits toward Bachelor of Telecommunication Management
Orange Coast College Costa Mesa, CA 1996-1998
General Education
Dos Pueblos High School Goleta, CA 1991-1995
H.S. Diploma
SKILLS
Hardware: Nutanix, Dell PowerEdge, HP ProLiant, HP Blade C7000, NetScaler, IBM X-Serve, Barracuda, Emulex, Cisco UCS, Quantum Tape Library, NetBackup Appliance 5230
Storage: NetApp, EMC Clariion, HP Left Hand, HP EVAMAN, Pure Storage, HP SAN, Dell Compellent
System Management: WSUS, SMS, SCOM, SCCM, SolarWinds, Altiris, LANDesk, BigFix
Infrastructure: Active Directory (NT through 2019), Group Policy, Novell Netware, Azure
Scripting: VB, Batch, PowerShell
Enterprise: Okta SSO/MFA, RightFax, Microsoft IIS, SQL, MS Cluster, Exchange (5.5 through 2019), Citrix XenApp/Presentation, VMware ESXi, SCOM, PKI, ADFS
Disaster Recovery: VERITAS Backup Exec, NetBackup, VTL, VMware, DoubleTake, REO 4000, NEO 9000, Quantum, Commvault, Zerto, VMware Horizon, Proofpoint, DUO, Cohesity, Rubrik
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