Michael Barriere
Spring,TX
Summary
Experienced Systems Administrator eager to leverage skills and expertise in a dynamic company that fosters personal and professional growth. Adept at efficiently managing network and infrastructure, streamlining operations to eliminate redundancies. Skilled in troubleshooting complex issues, consistently delivering innovative solutions while adhering to project scope and requirements. Strong interpersonal skills enable effective collaboration with cross-functional teams, vendors, and end-users alike.
Overview
8
8
years of professional experience
1
1
Certification
Work History
IT Systems Administrator
ACA Global
05.2021 - Current
- Design, implement, and maintain back-end technology systems such as Servers, Backup Software, Networking, and Enterprise Software.
- Research, design, and implement new or replacement systems.
- Handle escalations from various business units and provide 2nd line support escalation.
- Administer network and cloud infrastructure, including patch management on EC2 instances in AWS.
- Document systems and provide cross-training for comprehensive team support.
- Investigate and remove phishing emails, implementing rules to block malicious senders.
- Successfully managed 5 office build-outs as IT Project Manager, coordinating IT equipment orders, vendor collaboration, and alignment with Operations team for seamless office relocations.
- Act as liaison between DevOps and IT Infrastructure teams, leveraging expertise in AWS and Windows/Microsoft environments.
Systems Administrator II
Beta Academy
Houston, TX
10.2020 - 05.2021
- Led successful Windows domain migration and domain level upgrade.
- Resolved operational issues related to Microsoft Windows and iStation Software, providing support via phone, email, live chat, and web teleconference.
- Authored comprehensive documentation for system configuration and troubleshooting, improving knowledge base of help desk staff.
- Explained technical information in simple terms to non-technical individuals, promoting better understanding and collaboration.
- Provided technical expertise and assistance to maintain seamless computer and telephone system services for users.
- Supported project planning teams in addressing hardware, software, and network emergencies with practical solutions.
Network Administrator
Continental Alloys & Services
Spring, Texas
02.2018 - 06.2020
- Provided tier-1 desktop support to 300 domestic and international users, including 24x7 on-call rotations for international locations.
- Utilized WDS to streamline Golden Image deployment for both domestic and international locations, reducing reliance on third-party onsite services.
- Proficiently managed building, configuring, patching, and upgrading of physical and virtual Windows Servers (rack mounts/blades, and VMs).
- Played a key role in migrating the company's physical Server Infrastructure and Citrix environment to Microsoft Azure.
- Successfully upgraded SharePoint 2010 to SharePoint 2013 and established a new SharePoint Online Farm, facilitating a smooth transition for the organization.
- Demonstrated expertise in day-to-day maintenance and installation of servers, network equipment, virtual machines, messaging systems, backups, and storage.
Systems Administrator I
Allergy & ENT Associates
Houston, Texas
11.2015 - 02.2018
- Managed Group Policy Objects and Active Directory administration in Windows Server 2008r2/2012.
- Provided tier 2 desktop support to 200+ users across 15 locations in Greater Houston.
- Installed, configured, and managed SharePoint 2013 farm, facilitating efficient document retention and organization.
- Proficiently created, reviewed, and modified Group Policy Objects, while also managing Active Directory administration within Windows Server 2008r2/2012.
- Administered Print Management Server with 70+ network printers, ensuring smooth operations.
- Implemented a WDS Server, reducing OS imaging time from 2 hours to 25 minutes.
- Standardized job tasks and provided training on industry best practices to junior team members.
Education
Master of Science - Information Systems
University of Phoenix
Tempe, AZ10.2024
Bachelor of Science - Information Technology
University of Phoenix
Tempe, AZ05.2023
Associate of Applied Science - Computer Networking/System Administration
Texas State Technical College - Waco
Waco, TX05.2015
Skills
- VMWare ESXI
- WSUS
- Cloud Services (Azure, AWS)
- SQL
- Cisco Networking (Routers, Switches)
- Windows Server
- Network Monitoring and Management (NagiosXI, Netwrix)
- Microsoft Entra, Active Directory
- Microsoft Exchange
- SharePoint
- Group Policy
- Microsoft Endpoint
- Network Security (Firewalls, VPN, IDS/IPS)
- PowerShell Scripting
- Virtualization (Hyper-V, VirtualBox)
- Citrix Virtual Apps and Desktops
Certification
Amazon - AWS Certified Cloud Practitioner 06/2020
Microsoft - MTA Networking Fundamentals 09/2016
Timeline
IT Systems Administrator
ACA Global
05.2021 - Current
Systems Administrator II
Beta Academy
10.2020 - 05.2021
Network Administrator
Continental Alloys & Services
02.2018 - 06.2020
Systems Administrator I
Allergy & ENT Associates
11.2015 - 02.2018
Master of Science - Information Systems
University of Phoenix
Bachelor of Science - Information Technology
University of Phoenix
Associate of Applied Science - Computer Networking/System Administration
Texas State Technical College - Waco
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