Systems Administrator Help Desk
Resume:
Henry Barron
Killeen, TX *****
**********@*****.***
Professional Summary
Detail-oriented and results-driven Windows Systems Administrator with over 6 years of experience managing and securing enterprise IT environments across military and civilian sectors. Skilled in Windows Server administration, Microsoft Exchange
(2013–2019), Active Directory, system auditing, and vulnerability remediation. Proven ability to optimize system performance, resolve complex technical issues, and maintain DISA STIG and IAVA compliance. Strong communicator and team collaborator. CompTIA Security+ certified, with hands-on experience in VMware,
MECM, PowerShell scripting, and remote infrastructure management. Work Experience
Windows Systems Administrator
Infinite Group Inc.-Warwick, RI
September 2023 to April 2025
· Remotely managed Windows Server environments, ensuring optimal performance and security.
· Administered Microsoft Exchange (2013-2019), resolved escalated user issues, and maintained updates.
· Performed remote hardware diagnostics and coordinated vendor support for installations.
· Created and maintained SOPs for system configurations and troubleshooting.
· Conducted audits and vulnerability assessments, applied remediation measures.
· Provided technical support for end-users across a wide remote infrastructure. Key Achievements:
· Improved server up time by 15% through proactive patching and tuning.
· Reduced critical upgrade downtime by 30%, maintaining seamless service delivery. Help Desk Technician I
Caelum Research Corporation-Fort Cavazos, TX
July 2022 to September 2023
· Delivered first-level support for hardware/software issues via phone and email.
· Supported CAC card access, iPhone setups, and user credential management.
· Collaborated with IT teams to escalate and resolve advanced technical problems. Key Achievements:
· Boosted response efficiency by 20% by refining troubleshooting processes.
· Supported new software rollouts, improving team productivity. Information Management Officer (IMO)
U.S. Army-Yongin, Korea
August 2020 to July 2022
· Resolved issues on Windows 10/XP workstations and ensured system uptime.
· Managed Active Directory permissions and user access configurations.
· Installed VoIP systems and peripherals for operational readiness.
· Trained personnel on system use and technical troubleshooting. Key Achievements:
· Streamlined user account workflows, increasing efficiency by 25%.
· Handled high-level technical escalations, enhancing team resolution capacity. I.T. Systems Administrator
U.S. Army-Killeen, TX
August 2019 to August 2020
· Maintained Windows Server infrastructure and system availability.
· Conducted user administration and ensured compliance with security protocols.
· Trained users on internal communications tools (Call Manager, VTC). Key Achievements:
· Reduced service downtime by 20% through targeted system enhancements.
· Led successful system upgrades with minimal service disruption. Information Technology Specialist
U.S. Army-Baghdad, Iraq
June 2018 to August 2019
· Provided user support for permissions, file sharing, and system access.
· Monitored system health; escalated unresolved technical issues.
· Conducted IT training on security and software usage. Education
High School Diploma
Turner County High School-Ashburn, GA
May 2014 to May 2014
Skills
• IAVA
• Scripting:
• Shell Scripting
• Load Balancing
• Remote Desktop Services (RDS), VMware, Azure Security & Compliance:
• VPN
• Operating Systems & Servers:
• Help Desk
• Citrix
• Acronis
• Active Directory & Group Policy
• Vulnerability Remediation, Backup & Disaster Recovery Networking & Infrastructure:
• PowerShell
• LAN Protocols
• McAfee HBSS
• VoIP
• VMware
• MECM
• Bash
• Microsoft Exchange (2013
• DHCP
• DISA STIG Compliance
• Veeam Tools
• Windows 10
• Microsoft Office Suite
• System Audits
• DNS
• 2019) End-User Support:
• Splunk
• Windows Server 2016/2019
• Technical Documentation
• SQL
• SharePoint
Links
www.linkedin.com/in/henry-barron-19b242230
Certifications and Licenses
CompTIA Security+
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