Data Center Systems Engineer

Marlene McGowan

Desoto, TX *****

Contact number: 408-***-****

**************@*******.***

https://www.linkedin.com/in/marlene-mcgowan-09b01b40/

Professional Summary: Window Systems Engineer Computer Systems Analyst

10 Years of Silicon Valley Industry and over 10 years’ experience in Information Technology. Multi-faceted, Windows Server and Datacenter Enterprise-level experience working with over 1500+ servers. The ability to thrive in a fast-paced environment and effectively communicate to all levels of leadership and support staff. Committed professional with the ability to add value to a team and assume a leadership role if necessary.

Technical Skills

MCSE, Security Plus Certification

Windows Servers2012R2&2016, 2019, 2022; multiple Active Directory Domain Controllers, GPO, TCP/IP, DNS, Add DHCP scopes,

Migrations, In-place upgrades; AZURE cloud service, 365; MS SQL ver2016: Windows 10, 11

High Availability(HA), vMotion, Disaster Recovery practice, VMware, vSphere, ESXi 5.5, 6.7, 7.0; VLAN, VDI(training) Hyper-V;

Ivanti OS patching, SCCM imagery, Decommission servers, ITIL-ITSM, Remedy tracking system, MS Entra Admin

NTFS (ACL)Security Group Share permissions, network printer servers, Service Now, Citrix, SharePoint: Backup Recovery Symantec, Veritas, NetBackup, Avamar

Knowledge of cloud migration to Azure; PowerShell(novice), Script Robocopy, Rich Copy file transfer(SFTP), Distribution File Sys(DFS)

Alert network monitoring system ‘Orion SolarWinds; 'PRTG'; Site24x7, OPsManager

MDT, Altiris Acronis Ghost Image

McAfee and Vipre Antivirus Scan

End-user computing (EUC); Storage PPDM, Dell EqualLogic members, Pure Storage

Configure Mega Raid, Dell OEM

Nasuni Storage, NetApp File Storage NFS, CIFS;

OnCommand System Manager 3.0

Varonis DatAdvantage file system

Participate in internal audits, data compliance, user account compliance, compliance management. Renew tomcat/Apache certificates Assist with security remediation

Supported Department of Defense (DoD) classified audits and security remediation

Professional Experience

InfoVision - AAFES Exchange (Contract) June 2025 - Present

Windows Administrator

Responsibilities

Lead project on Microsoft Deployment Tool (MDT); Update/upgrade (MDT) images, create custom task sequences & packages; Capture WIM file images; UEFI settings, post-imaging tasks, Windows Update(WU).

Build out and support virtual VMs, Hyper-V servers 2012R2, 2016, 2019 & 2022; Windows 10 OS,

Active Directory Create, modify, user account, security groups, and delete user accounts, computer accounts, organizational units (OUs), various AD objects; network tools DNS, TCP/IP

Images are placed on UEFI and non UEFI thumb drivers that are used for production servers and registers. Troubleshoot various technical anomalies, Network Connectivity security remediation

PowerShell to run command line installation and configurations used to automate and streamline processes.

Deploy new security patches, work in service now ticketing system

First Rate Inc. Arlington, TX February 2023 – June 2025 Windows System Administrator II / Engineer

Responsibilities

Manage multiple Windows Enterprise Infrastructure Data Center: Multiple Domains; Support multiple Active Directory Domain Controllers; Support estimate of 800+ servers; Physical and Virtual servers(VM) utilizing vCenter, VMware ESXI, vSphere6.7,v7.0.3, 8 increase disk space etc.: Upgrade firmware

Build out and support-physical and virtual VMware servers; migration In-place upgrade of Windows Servers 2008, 2012R2, 2016, 2019 & 2022; DNS, TCP/IP, cloud service create AZURE VMs, security remediation, Ivanti Patching; backup Linux servers, renew CERTs Apache, Tomcat and SSL, create technical documentation, service now ticketing sys, Teams, SharePoint; end-user computing (EUC), DFS, Create Multi Patch MPIO iSCSi, Pure Storage Volumes

Lead an upgrade and configure special application ‘Webfocus’ for bank clientele on estimate 120 servers; Lead In-place upgrade to MS Windows O/S 2022of est. 65 servers

Create SFTP, Core site-SSH, PowerShell to create Keystore certificates, create MS SQL DBs for applications, PowerShell to run SQL tables; PowerShell to upload large number of users into security groups. Support High Availability and Disaster Recovery capabilities; backup system ‘PPDM’.

Participate in internal audits, internal audits, data compliance, user account compliance, compliance management. Assist with security remediation; OPsManager and 24x7 monitoring tool

Greenfield – Honeywell Remote (contract) March 2022 –December 2022

Sr. Windows Systems Engineer

Responsibilities

Migration project: Managed a large Windows Enterprise Infrastructure: File Transfer>Migrated/copied terabyte of data to Nasuni storage system utilized robocopy and PowerShell scripts; FTP to download files

Perform server assessments for 300+ sites across Honeywell’s US, EMEA, and APAC locations, gathering information on installed applications, databases, shares, data sizes, data types, encryption and user and group permissions

Manage-physical and virtual VMware servers: Windows Servers 2012R2, 2016, 2019; prep large data sheets in order to confirm what shared data are in scope to migrate versus servers out of scope or decommission, SharePoint

Collaborate with the team on SharePoint and Teams to provide status updates or to have discussions on any issues encountered.

Preparation of robocopy scripts to be used on the assessments and migration of data on the targeted servers

Utilized Nasuni storage system to create volumes and shares, in order to run PowerShell scripts to copy data from multiple file servers

Responsible for documenting the migration process from beginning to end as well as the scheduling of knowledge transfer sessions for hand-off to Honeywell employees across all locations.

Experis–Infinite IBM Remote (contract) February 2020 –March 2022

Sr. Windows Systems Engineer

Responsibilities

Manage a large Windows Enterprise Infrastructure; Support over 2 thousand servers

Build out servers-physical and virtual VMware servers and maintain Windows Servers 2012R2, 2016, 2019; Citrix, Jump server; Security remediation, OS Patch; Health Check via PowerShell scripts as required, Service Now, SharePoint

Security vulnerability, Support core network services update: TCP/IP, DNS CNAME,

Support High Availability(HA) ESXI vMotion and Disaster Recovery capabilities via Cristie Replication DB(DR); Troubleshoot various technical anomalies; special server builds with various hardening configuration and, Security Audits; end-user computing (EUC); data and user account compliance,

Support estimate of 400+ special servers; Physical and Virtual servers(VM) utilizing vCenter, VMware ESXI, vSphere v6.

Beacon Hill Tech/Signet Jewelers Coppell, TX April 2019 - December 2019

Sr. Windows Systems Engineer (contract)

Responsibilities

Manage a large Windows Enterprise Infrastructure Data Center: Multiple Domains; Support multiple Active Directory Domain Controllers; AD AZURE Email, Folder Creation via Citrix, Control-M Administration

Build, maintain and migration of Windows Servers 2012R2, 2016, 2019 and Windows 10; Security groups, OUs; new users account, SCCM imagery patching; PowerShell add user to group, obtain user’s last log on time/date;

Support core network services update: TCP/IP, DNS CNAME, GPO Add new SFTPs

Secure and provide file share access; Varonis DatAdvantage, Troubleshoot various technical anomalies; Support end user computing solution; security remediation of servers, data and user account compliance, SharePoint

Support large Data Centers Servers of est.1200+; Virtual servers(VM) utilizing vCenter Clusters, VMware ESXI, vSphere v6.5C, VROPS (Web base), Hyper-V

BNSF Railway Fort Worth, TX October 2018 –March 2019

Sr. Windows Systems Engineer (contract)

Responsibilities

Proficiently manage a large Windows Enterprise Infrastructure Data Center: Multiple Domains; Support multiple Active Directory Domain Controllers

Build, maintain and upgrade Windows Servers 2012R2, 2016, 2019 and Windows 10;Security groups, OUs; new users account, Support core network services TCP/IP, DNS A/PTR, GPO; configure KVMs, secure hardening various servers

Support large Data Centers Servers of est.1200+; Migration: In-place upgrade, deploy physical and virtual servers via Microsoft Deployment (MDT) and (VM) utilizing vCenter Clusters, High Availability(HA) ESXI vMotion; VMware ESXI (162)Hosts,est. 2,700thous VMs; vSphere v6.5-6.7; Templates, Hyper-V; Update VMs RAM, HD, CPUs; Physical servers via Citrix, SCCM patching

Participate in internal audits, data and user account compliance, compliance management. Assist with security remediation; disaster recovery practices

Troubleshoot various technical anomalies; Decommission servers; Support end user computing solution; Secure file share access(SFTP), MDT imaging tool, fresh migrate of VMs to new network

Build MS Cluster Failover Servers, Configure Switch Zones, install various applications,

Managed server infrastructure for train control and signaling systems transversely throughout the company and support systems integration

Experis - Dallas/Fort Worth, TX December 2017 –October 2018 American Airline Credit Union

Sr. Systems Engineer (contract)

Responsibilities

Enterprise Infrastructure Datacenter Engineer: Assist with daily operations of Active Directory; Support High Availability(HA) ESXI vMotion; Disaster recovery practice; End user computing solution; Secure file share access/ SFTP; DNS, DHCP and troubleshoot various methodology structure, create technical documentation, via Citrix,

Build and deploy virtual servers utilizing Templates via VMware ESXI Hosts, vSphere v5.5-6.5 Install of MS SQL DB

Provide administrator support for specialized software and technical anomalies and work via ticketing system with SLA requirements; end-user computing (EUC)

Migrate, upgrade and maintain Windows 2008r2, 2012R2, 2016, 2019 Servers and Windows 8, 10 all via SCCM 2012 imagery, Microsoft Deployment (MDT) and VMware templates: Perform regular compliance; remediate vulnerabilities on Window Servers 2008 R2, 2012 R2 and Provision & Decommission Servers

ARTECH -Verizon / IBM DFW Dallas/Fort Worth, TX May 2017–December 2017

Windows Security Analyst (contract)

Responsibilities

Remediate vulnerabilities via Multiple Active Directory Domains est. of 1500+ Window Servers 2008, 2012R2 via VMware server EXi 5.5; SharePoint, Citrix

Resolve security breach, upgrade software applications; install patches; Update Registry

Troubleshoot and fix technical anomalies of security fixes, work via ticketing system

Triple Crown Consulting, LLC (contract) March 2016 -February 2017

Complete Genomics Mountain View, CA

Sr. Window Systems Administrator

Responsibilities

Proficiently manage a Large Windows Enterprise Infrastructure: Multiple Domains and Forests; Support multiple Active Directory Domain Controllers

Maintain Windows 2008r2, 2012R2 Servers and Windows7, 10; create new child domain; Security groups, OUs; new users account, NTFS ACL, SFTP; migrated to Windows 2016

Support core network services TCP/IP, DNS A/PTR, CNAME, DHCP Scopes; Group Policy, Provision & Decommission Servers

Manage ESXi Hosts; vCenter Cluster, VMWare vSphere 5.1, 5.5; Deploy Virtual Machine(VM), Templates; Update VMs RAM, HD, CPUs, Add VLANs(Standard & Distributed): Support High Availability(HA) ESXI vMotion; Disaster recovery practice

Work in a heterogeneous Linux/Windows environment. Support proper shutdown of vCenter Cluster and Dell EqualLogic storage system

Project(s): Lead (4) windows Data Center Migration, relocation which included Multiple Forests, Data Centers(DC) a large number of VMware ESXi (35)Hosts; (600+) physical servers; (9)Dell EqualLogic storage members and (8)Domain Controller(s) (confirmed the switch ports in order to maintain the integrity of the ESXi host connections within the new DC location) with est. 2thous VMs machines with vMotion, HA/DRS.

Support Backup and restore of Symantec NetBackup, Service Now ticketing system, OKATO SSO; Managed secured password system

Participate in internal audits, data compliance, compliance management. Assist with security remediation

Strong Knowledge and troubleshooting skills on Windows servers

Build a Windows file server utilizing DFS, Raid 10; Prepped DNS and established a Forest Trust Relationship with two companies.

Yesvideo, Santa Clara, CA May2014 –January 2016

Windows Systems Administrator

Responsibilities

Maintain Active Directory Domain Controllers, multiple sites: Windows 2003, 2008r2, 2012R2 Servers.

Support over 400 servers and toil to maintain uptime, troubleshoot various technical anomalies

Manage ESXi Virtualization Servers; VMWare vSphere 4.5/ 5.1; Deploy Virtual Machine(VM), VM Templates; Update VMs RAM, HD, CPUs; Managed/secured password system(keypass); Support High Availability(HA) ESXI vMotion; Disaster recovery practice

Migrated Win2008 to Win 2012 R2 Servers, Active Directory FMSO; Import Win2012 R2 server

Support core network services: TCP/IP, DNS A/PTR records CNAME, Added new DHCP Scopes and reservation, Connected HR check-in timers via IPs settings. Created technical documentations as needed.

Supported Data Center Migration, relocation to new bldgs.; Re-racked& re-wired servers, connected network switches, secure hardening various servers

MS Exchange 2010 create users and distribution group, resource accounts;

Build and maintain Windows servers also utilize Acronis to Image physical servers for unique lab &production environment. Monitor logs and alerts via PRTG monitoring system

Build server racks from scratch and added servers and other special recording devices according to developer’s schematics. On-Call rotation.

Intuitive Surgical, Sunnyvale, CA (contract) September 2013 - May 2014

Sr. Window Systems Administrator

Responsibilities

Managed Active Directory Domain Controllers: Windows 2003, 2008r2, 2012R2 Servers. Support over 700+ servers; est. 1200 users; managed MS Exchange 2010-MS 365

Support ESXi Virtualization Servers; VMWare vSphere 4.5/ 5.1; Deploy Virtual Machine(VM), VM Templates, Clones; Update VM’s RAM, HD, CPUs;

Manage Storage System-NetApp OnCommand System Manager 3.0-, Create QTrees, CIFS Share, Volumes, Aggregates; Increase volume size; Patch SCCM 2012

Support core network services DNS A/PTR records, CNAME, input DHCP Scopes, TCP/IP

Provide network group share; Backup Recovery Avamar for Windows, PS scripting(light)

NVIDIA Santa Clara, CA (contract) June 2013 – September 2013

IT Window Systems Administrator:

Responsibilities

(Project) Maintained SolarWinds ‘ORION’ database which monitor and maintain servers alerts on the network infrastructure; Added servers host to ORION database; Converted SNMP to WMI on an estimate of 400 servers and network devices; Added required application templates to SQL Database server, Windows Servers 2003 and 2008R2 environment, and UPS devices.

Maintained ITIL Remedy ticket system. Troubleshoot window server anomalies and alerts.

Lockheed Martin September 2004 – March 2013

Computer System Analyst - Window Systems Administrator

Responsibilities

Managed Multiple Domains; Windows 2003, Win2008 R2 Active Directory with multiple application utilizing SQL databases. Oversee day-to-day operation of Data Centers Servers of est.1200+; 2+thous users

VMware ESXI, vSphere Client 5.0 environment - Build secured servers on segregated network servers.

Support High Availability(HA) ESXI vMotion; Quarterly disaster recovery practices

Build and maintain Windows 2k & 2003 R2, 2008 R2 Servers 32bit and 64bit; Security Groups

Maintain Active Directory- ADD users, computer and servers in (AD); Create and maintain(DFS) folder paths

Support (TCP\IP), (DNS) & (DHCP); install MS patches McAfee Antivirus, & security updates

Backup Recovery- Symantec Backup Exec, Veritas and NetBackup; Created Backup Recovery outlined procedures; BMC ITIL Remedy database support Remediate security scans

Support DoD classified audits & assist Information Systems Security Officer(ISSO) in gathering network data, secure hardening various servers

Maintained 100 Win XP WS classified area; Performs modification of existing scripts as required

Maintain CribMaster application, RFID, AccruDrawer and Multistore devices

Acts as a single point of contact for high impact, critical customers

Provide layout of resolution to management and multiple divisions. On-Call rotation.

Maintain inventory of all servers, laptops, desktops Monitor security logs to ensure data integrity

Installs window patches and McAfee Antivirus Establish Security hardening via group policies

Implement DoD NISPOM Ch8 classified Security Policies Support DSS Audit Document server changes.

Participate in internal audits, data and user compliance, compliance management. Assist with security remediation

NetApp Filer Data Ontap software 7.2.5.1 (6)

Manage Livelink (LL) Enterprise Collaboration database and Integrated Digital Environment (IDE)

Trained massive users to utilize LM Enterprise Collaboration tools (Livelink (LL) & WGC)

Education

West Valley College Saratoga, CA

oBusiness and Court Reporting program (1989-02-08 to 1995-12-31)

Dynamics Edge IT Training Solutions

(MCSE) Windows Server 2008, TCP/IP DNS and various infrastructure technology

Certifications / Affiliations / Professional Development

Computer Security Plus -Certified

MS Exchange 2007

(MCSE) Microsoft Certified Systems Engineer

Certification Training Center, San Jose, CA

Lab Leader and Review Leader

(MCSE) Courses completed (MCSE) ID # 1568675

Training Center, San Jose, CA

Lab Tech – NT Server 4.0, Windows 2000 Server: Hands on training: TCP\IP, Directory Design (GPO); Network Design; Active Directory, Organizational units (OUs).Install various windows O/S Servers and assembled network cables; switches and computer software and hardware components

Contact this candidate