Help Desk Active Directory
Resume:
GABRIEL MEYER
*******@***********.***
Certifications & Education
AWS Certified Cloud Practitioner - Credential ID 25CVVE6BPFREQKCR
MS-700: Teams Administrator Associate - Credential ID 993222085
Wharton County Jr College – 2001-2003
Work History
Linux and Windows System Administrator
02/2021 – 04/2024
Excellence In IS Solutions (X-ISS)
Houston, Texas
Managed Microsoft Windows environments, optimizing Active Directory Group Policy and device configurations using Microsoft Intune.
Led corporate security enhancements with multi-factor authentication (2FA), single sign-on (SSO), and routine security audits.
Automated IT maintenance workflows using PowerShell, eliminating patch failures, reducing software costs, and removing VPN dependencies.
Supported Entra ID (Azure Active Directory) infrastructure, implementing immutable backups with Veeam, multi-site NAS, and Azure storage.
Migrated datacenter from KVM hypervisors to VMware vSphere, improving reliability and streamlining DevOps, production, and infrastructure backups.
Deployed and managed Dell EMC storage and server solutions, ensuring high availability and performance for enterprise applications.
Set up and optimized Windows Server and MSSQL Server 2019 for ConnectWise Manage, resolving performance bottlenecks.
Enhanced user support and efficiency by developing SharePoint sites, custom intranet utilities, and centralized resource hubs.
Managed multi-site IPsec with WatchGuard appliances, Global Protect for support engineers, and Palo Alto appliances for client site-to-site tunnels.
Documented infrastructure, end-user support resolutions, and client application installations in ConnectWise.
Skills & Software: Microsoft Windows Server & Active Directory, AWS Cloud Infrastructure & Storage, Dell EMC Servers & Storage Solutions, PowerShell Automation & Scripting, Customer & End-User Support, IT Security & Compliance (2FA, SSO, Pen-Testing), Virtualization (VMware vSphere, Hyper-V), Backup & Disaster Recovery (Veeam, Azure), Network Administration & Firewall Management
Systems Engineer
03/2011 – 02/2021
GeoTomo, LLC
Houston, Texas
Deployed AWS EC2 instances to support client training clusters, improving software implementation and customer experience.
Managed secure global connectivity between offices in Houston, New Delhi, and Hefei, ensuring seamless remote collaboration.
Implemented a secure Windows-based global server to enhance accessibility and reliability of company software for distributed teams.
Hardened Windows Server environments by securing RDP access, implementing intrusion detection systems (IDS), and performing routine firewall updates on SonicWall.
Deployed and maintained Dell EMC servers to support high-performance computing (HPC) and virtualization workloads, optimizing system performance.
Automated system backups using Veeam and AWS storage solutions to protect critical data and ensure business continuity.
Streamlined software licensing workflows to simplify deployment and improve compliance.
Developed an internal SharePoint site for centralized monitoring, license management, and IT resource access.
Provided customer consulting and technical support, optimizing Windows and cloud-based HPC configurations.
Enhanced Windows Server performance for data processing by integrating SSD storage, optimizing registry settings, and fine-tuning network policies.
Supported business growth by developing PowerShell and .NET utilities that enhanced software capabilities and increased license sales.
Skills & Software: Microsoft Windows Server, AWS EC2 & Storage, Dell EMC Servers & Storage, SonicWall, PowerShell, SharePoint, Active Directory, Veeam, RDP Security, Firewall Management, IT Support & Consulting, System Optimization
Systems Administrator
12/2008 - 03/2010
NES Staffing
Houston, Texas
Managed Active Directory, Windows Server, and MSSQL databases, ensuring secure authentication, reliable access, and efficient directory services.
Developed an internal web portal for call tracking and issue ticketing, improving customer support and IT service management.
Automated data processing and content updates by developing software using ASP and XML.
Configured and maintained IPSec VPN connectivity with Netgear appliances, enabling secure remote access for sales and support teams.
Administered multiple Windows Server environments, managing Active Directory, DHCP, and remote access systems to ensure seamless network operations.
Skills & Software: Active Directory, Windows Server, MSSQL, VPN Configuration, ASP, XML, Netgear Firewalls, IT Support & Automation
Level 3 Support CSR
01/2008 - 11/2008
HostGator
Houston, Texas
Assisted network security teams in investigating and remediating security issues, ensuring a secure IT environment.
Resolved web hosting issues for both shared hosting and dedicated server clients, improving uptime and reliability.
Debugged PHP and ASP scripts, optimized SQL queries, and troubleshot firewall configurations to enhance system performance and security.
Skills & Software: PHP, ASP, MySQL, Windows Server, Cisco Firewalls, Troubleshooting, Network Security
Lab Technician
06/2005 - 09/2007
Continental Carbon
Houston, Texas
Developed an automated nanotechnology reactor using LabView to control the generation of nanotubes and nanodiamonds, integrating SQL logging for diagnostics and performance tracking.
Deployed a digital repository for the research and development department, improving data accessibility and organization.
Configured NFS file sharing between SGI Octane and HP-UX machines to establish a reliable backup system.
Utilized specialized security tools to extract and manage login credentials from SGI Octane workstations.
Digitized quality assurance reporting for rubber lab processes using MS Excel, streamlining cost calculations, work orders, and recipe management.
Skills & Software: LabView, NFS, SQL, Microsoft Excel, Information Security, Data Automation
Systems and Networking Admin
07/2003 - 07/2004
Southern American Title Company
Houston, Texas
Administered over 300 users and managed multiple Windows Server systems, overseeing Active Directory, RDP, DHCP, and DNS for a secure and efficient IT environment.
Configured and maintained Netgear firewalls, creating secure VPN tunnels to support remote employees.
Developed intranet sites with custom SQL reporting tools, improving internal data access and business insights.
Installed and managed security systems while implementing Veritas Backup solutions to ensure data protection and disaster recovery.
Skills & Software: Windows Server, Active Directory, VPN Configuration, Netgear Firewalls, MSSQL, Veritas Backup, Disaster Recovery, IT Security
Contact this candidate