Senior System Administrator
Resume:
GABRIEL MEYER
Infrastructure Management
*******@***********.***
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 in Houston, Texas
Managed Entra ID (formerly Azure Active Directory): Oversaw account creation, migrated GPO policies to Intune device configurations, and developed a solution for seamless remote system on-boarding and domain access.
Enhanced Security & Compliance: Implemented 2FA/MFA, conducted routine audits, and performed vulnerability testing to align with industry security standards.
Automated System Updates & Cost Savings: Streamlined workflow, automated with PowerShell, eliminated software maintenance errors, and saved $1500 annually in software fees.
Disaster Recovery & Data Protection: Unified backups of multiple environments with Veeam, offsite NAS, and Azure storage.
Infrastructure Migration & Virtualization: Led end-to-end datacenter and infrastructure migration, including 50 managed client ipsec tunnels, disaster recovery unification with improvements to system availability, streamlined recovery process using VMWare vSphere HA and Veeam, and updated departmental documentation.
Enterprise Storage & Server Management: Deployed and supported Dell EMC storage and server solutions, ensuring high availability and performance.
Server Optimization: Configured and optimized Windows Server and MSSQL Server 2019 for ConnectWise Manage, resolving performance bottlenecks.
User Support & Productivity: Developed SharePoint sites, custom intranet tools, and centralized resource hubs to enhance efficiency.
Corporate WAN & Security: Designed and implemented a corporate WAN using WatchGuard HA, increased file share availability with Active Directory sites and DFS, and improved security with IKEv2 and 2FA.
Firewall & Network Administration: Managed Palo Alto and WatchGuard firewalls, setup and managed 50 ipsec tunnels, and improved client SLA adherence.
Issue Resolution & Troubleshooting: Documentation, testing, resolved escalated/technical inquiries using ConnectWise Manage.
Technical Documentation: Authored missing documentation, tracked support resolutions, and ensured document synchronicity between Office documents, ConnectWise, and IT Glue.
Platforms & Infrastructure: Microsoft Windows Server, Active Directory, AWS Cloud Infrastructure & Storage, Dell EMC Servers & Storage Solutions
Automation & Scripting: PowerShell, IT Process Automation
Security & Compliance: 2FA, SSO, Penetration Testing, IT Security Policies
Virtualization & Cloud: VMware vSphere, QEMU, Azure
Backup & Disaster Recovery: Veeam, Azure, NAS Storage Solutions
Networking & Firewalls: Palo Alto, WatchGuard, VPN (IPsec, IKEv2), Network Administration
End-User Support & IT Operations: Customer Support, SharePoint Development, IT Documentation
Systems Engineer (03/2011 – 02/2021)
GeoTomo, LLC in Houston, Texas
Cloud Infrastructure & Client Support: Deployed AWS EC2 instances to support client training clusters, enhancing software implementation and customer experience.
Global Connectivity: Managed secure global networking between offices in Houston, New Delhi, and Hefei, ensuring seamless remote collaboration.
Server Management: Implemented a secure Windows-based global server to enhance software accessibility and reliability.
Security & Compliance: Hardened Windows Server environments by securing RDP access, deploying intrusion detection systems (IDS), and performing routine firewall updates on SonicWall.
Enterprise Storage & Virtualization: Deployed and maintained Dell EMC servers to support high-performance computing (HPC) and virtualization workloads, optimizing system performance.
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 in Houston, Texas
Server & Database Administration: Managed Active Directory, Windows Server, and MSSQL databases to ensure secure authentication, reliable access, and efficient directory services.
Web Portal Development: Designed an internal web portal for call tracking and issue ticketing, improving customer support and IT service management.
Process Automation: Developed software using ASP and XML to automate data processing and content updates.
Network Security: Configured and maintained IPSec VPN connectivity with Netgear appliances, enabling secure remote access for sales and support teams.
IT Infrastructure Management: Administered multiple Windows Server environments, overseeing 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
HostGator (01/2008 – 11/2008)
Level 3 Support CSR in Houston, Texas
Security Incident Response: Assisted network security teams in investigating and remediating security threats.
Hosting & Server Management: Resolved web hosting issues for shared hosting and dedicated server clients, improving uptime and reliability.
Web & Database Optimization: Debugged PHP and ASP scripts, optimized SQL queries, and audits of machine firewalls.
Skills & Software: PHP, ASP, MySQL, Windows Server, Cisco Firewalls, Troubleshooting, Network Security
Lab Technician (06/2005 – 09/2007)
Continental Carbon in Houston, Texas
Automation & R&D Support: Developed an automated nanotechnology reactor using LabView for nanotube and nanodiamond generation, integrating SQL logging for diagnostics.
Data Management: Deployed a digital repository for the research and development department, improving data accessibility and organization.
File Sharing & Backup Solutions: Configured NFS file sharing between SGI Octane and HP-UX machines to establish a reliable backup system.
Security & Access Control: Utilized specialized security tools to extract and manage login credentials from SGI Octane workstations.
Process Optimization: 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 & Networking Administrator (07/2003 – 07/2004)
Southern American Title Company in Houston, Texas
IT Infrastructure Administration: Managed over 300 users and multiple Windows Server systems, overseeing Active Directory, RDP, DHCP, and DNS for a secure and efficient IT environment.
Firewall & VPN Management: Configured and maintained Netgear firewalls, creating secure VPN tunnels to support remote employees.
Intranet & Reporting Development: Developed intranet sites with custom SQL reporting tools, improving internal data access and business insights.
Backup & Security Solutions: Installed and managed security systems while implementing Veritas Backup solutions for data protection and disaster recovery.
Skills & Software: Windows Server, Active Directory, VPN Configuration, Netgear Firewalls, MSSQL, Veritas Backup, Disaster Recovery, IT Security
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