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Systems Engineer Senior

Location:
Dallas, TX
Salary:
88,000
Posted:
July 07, 2025

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Resume:

DALLAS, ***** • ***********@*****.*** • 760-***-****

GLENN MASON

Systems Engineer

PROFESSIONAL SUMMARY

I am a senior Systems Engineer with over 16 years of expertise in Windows Server administration, Active Directory, and cloud migrations. Adept in virtualization technologies and security implementations, leading technical teams to implement complex IT solutions. Passionate about advancing enterprise infrastructure management through innovative strategies and cutting-edge technologies.

EMPLOYMENT HISTORY

SYSTEMS ENGINEERMay 2023 - Present

SRS DistributionMcKinny, Tx

Managed Office 365 migration, unifying systems for improved collaboration.

Used CyberArk Core PAS and Endpoint Privilege Management solutions.

Resolved email routing issues, boosting communication reliability.

Administered Exchange 2016, ensuring smooth cloud service transition.

Redesigned AD in primary domain to migrate 2 domains.

Migrated 2 AD domains into Primary domain using Quest.

MS Intune (Entra) Administrated for SaaS deployment to cells and tablets.

Created users in Azure AD, assigning licenses in Office 365.

Utilized OKTA for secure app deployment, enhancing device security.

Implemented VMware and Tanium, optimizing server performance and patch management.

Evaluated apps like NinjaOne, Sophos, Proofpoint and Quest for domain migrations.

Led a successful transition to cloud services, ensuring seamless operations.

Implemented robust security measures using OKTA.

Deployed new desktop images by Windows Deployment Service (WDS).

Performed hardware firmware Updates when required.

Office 365 migration and full administration in Exchange, Teams, OneNote, SharePoint, Entra (Intune).

Administrate Sophos for both AV and encryption.

Created new Servers (P/V) 2019/2022.

Edit, create GPOs in GPMC entries.

Evaluated apps Salesforce and Five9. Streamlined Office 365 migration, unifying systems to enhance collaboration and drive measurable improvements in team productivity.

Resolved email routing issues, implementing targeted solutions that boosted communication reliability and reduced downtime.

Designed and executed Active Directory migration, consolidating domains and enhancing system efficiency through strategic planning.

Administered Exchange 2016 and led cloud service transitions, fostering teamwork and ensuring seamless operations across departments.

Provided training and support for team members on new systems, promoting a culture of knowledge sharing and continuous improvement.

SR. SYSTEMS ENGINEERApr 2021 - May 2023

Multiplan Inc.Remote

Managed mobile device support, enhancing user access and app management.

Executed seamless Exchange 2016 to Office 365 migration, resolving email access issues.

Administered AD/Azure, improving user security and web access management.

Trained and mentored helpdesk staff, fostering skill development and career growth.

Led seamless Exchange 2016 to Office 365 migration, enhancing communication efficiency and resolving email access issues organization wide.

Administered Active Directory and Azure, implementing security enhancements that significantly improved user access management and reduced vulnerabilities.

Pioneered advanced server update strategies, ensuring system stability and minimizing downtime through proactive maintenance measures.

Trained and mentored help desk staff, fostering skill development and cultivating a culture of continuous improvement within the team.

Optimized mobile device management protocols, enhancing user access and app management while ensuring compliance with corporate standards.

Spearheaded advanced server update strategies, ensuring system stability and minimizing downtime through proactive maintenance measures.

LEAD SYSTEMS ENGINEERNov 2019 - Apr 2021

Service KingRichardson, Tx

Managed hybrid IT systems, boosting server reliability with advanced solutions.

Streamlined O365 migration, enhancing email performance and security.

Implemented Intune, improving device compliance and management.

Upgraded 120 servers to Windows 2019, increasing system stability.

Automated tasks with PowerShell, reducing administrative workload.

Analyzed hybrid IT systems, implementing improvements that significantly boosted server reliability and operational efficiency.

Developed automation scripts using PowerShell, streamlining routine tasks and freeing up resources for critical projects.

Coordinated server upgrades to Windows 2019, fostering teamwork and ensuring minimal disruption during transitions.

Maintained a proactive approach to IT support, consistently addressing user concerns and enhancing overall satisfaction.

Led a team in optimizing hybrid IT systems, achieving noticeable gains in server reliability and operational efficiency through advanced solutions.

Developed and implemented automation scripts with PowerShell, significantly reducing administrative workload and reallocating resources to high-priority projects.

LEAD SYSTEM ADMINISTRATORNov 2018 - Nov 2019

City of GarlandGarland, Tx

Managed hybrid Exchange domain, enhancing system reliability and security.

Led Level 3 help desk, improving response times and user satisfaction.

Rebuilt Active Directory for police migration, ensuring seamless integration.

Configured server hardware for remote access, optimizing IT operations.

Executed data migration to Dell EMC Unity, boosting storage efficiency.

Enhanced system performance by migrating data from Dell EMC VNX to Unity, ensuring seamless access and operational efficiency.

Monitored virtual and physical servers, identifying issues proactively to minimize downtime and maintain high service availability.

Developed PowerShell scripts for automated administrative tasks, resulting in significant time savings and improved workflow efficiency.

I Led a team to rebuild Active Directory for the Police department, facilitating a smooth migration and enhancing user access management.

Fostered a collaborative environment at the help desk, providing Level 3 support to resolve complex issues and enhance team performance.

Streamlined server configurations to improve deployment speed, resulting in faster access for users and enhanced operational efficiency.

SYSTEMS ENGINEER LEADAug 2016 - Sep 2018

IPNS DoDQatar, Iraq, Afghanistan

Led system admins in Middle East, enhancing server efficiency and security.

Migrated systems to VMware, improving performance and reliability.

Installed SCCM for domain-wide patching, ensuring system updates.

Managed Exchange migrations to Office 365, optimizing communication.

Provided comprehensive support, resolving technical issues swiftly.

Led migration of internal Exchange systems to Office 365, enhancing email accessibility and streamlining communication across departments.

Implemented real-time monitoring tools to assess system health, resulting in substantial improvements in incident response times and system reliability.

Reviewed and optimized server configurations, achieving marked gains in performance and resource allocation across the virtualized environment.

Coordinated with cross-functional teams to install SCCM for domain-wide patching, fostering a culture of proactive system maintenance and security.

Provided desktop and phone support using ticketing services, ensuring timely resolution of user issues and enhancing overall satisfaction.

Analyzed system performance metrics to identify bottlenecks, implementing targeted solutions that led to noticeable gains in operational efficiency.

SYSTEMS ENGINEERMay 2015 - Jul 2016

CACI Intl DoDIRAQ

O365 MIGRATION ADMINDec 2014 - Apr 2015

MEDecision (Project)Dallas, Tx

SYSTEMS ENGINEERJun 2014 - Nov 2014

State of TexasAustin, Tx

VIRTUAL ADMINISTRATORNov 2013 - May 2014

InSight GlobalRichardson, Tx

SYSTEMS ENGINEERJul 2013 - Nov 2013

NCC DataAddison Tx

LEAD SYSTEMS ENGINEERSep 2009 - Jun 2013

ITT Systems DoDMosul Iraq/Bagram Afghanistan

EDUCATION

COMPUTER SCIENCEJan 1991 - Dec 1993

Coleman CollegeSan Marcos, CA

COURSES

VMWARE 6.5

VMware

EMC INFORMATION STORAGE AND MANAGEMENT V3

EMC

MCSE 2012, MCITP 2008, MCSE SECURITY 2003, MCSE EXCHANGE 2003, MCSA, MCP

Microsoft

COMPTIA SECURITY+, SERVER+, LINUX+, NETWORK+, CNIP NETWORK INFRASTRUCTURE PROFESSIONAL

CompTIA

SKILLS

Windows Server, Active Directory, Exchange, Office 365, VMware, Azure, PowerShell, SCCM, Veeam, Cloud Migration, Security, Infrastructure, Virtualization, System Administration, Network Administration, Disaster Recovery, SQL, Hyper-V, ITIL, Project Management.

LANGUAGES

Japanese

LINKS

LinkedIn: www.linkedin.com/In/GlennTMason

Facebook: www.facebook.com/GlennTMason

HOBBIES

I enjoy photography.

I play golf.

I go to the VA Hospital twice a month spending time with fellow vets.

REFERENCES

Frank Ruvolo, CACI Intl (*****.******@*****.***, 505-***-****)

Ann Smith, Multiplan (***.*****@*********.***, 972-***-****)

Marcial Bracy, State of Texas (************@*****.***, 512-***-****)

Charles Giles, Microsoft (************@*****.***, 214-***-****).



Contact this candidate