Experienced Systems Administrator and customer service representative
Resume:
AARON THOMAS MARSHALL
PROFESSIONAL SUMMARY
Aaron is an experienced IT professional with a strong background in systems administration, customer and network support, help desk operations, and technical troubleshooting.
He has over 20 years of experience supporting servers, networks, hardware, Active Directory, security permissions, and end users, including leadership experience and military network operations.
His background also includes customer service, field support, package delivery, and warehouse receiving and stocking.
He is a proven performer with us, is looking for a more customer forward role, and is available on Friday for an interview any time, or Wednesday/Friday next week anytime.
PROFESSIONAL EXPERIENCE
Amazon Seaford, DE
Delivery Driver 08/2026 – Current
Deliver packages to consumers using a company van.
Ensure timely and accurate delivery of packages.
Follow delivery routes, safety procedures, and company policies.
Provide professional customer service during deliveries.
Lowe's Lewes, DE
Stocker / Receiver 04/2026 – 07/2026
Unloaded merchandise from delivery trucks.
Received and organized incoming inventory.
Stocked shelves and maintained product availability throughout the store.
Assisted with maintaining an organized and efficient stockroom and sales floor.
Corsica Technologies Augusta, GA
Systems Administrator September 2019 – November 2025
Managed and maintained server, firewall, workstation, and network environments for multiple clients.
Performed patching, updates, maintenance, and monitoring to support system availability and security.
Troubleshot a wide range of IT issues involving networks, servers, workstations, mobile devices, printers, and scanners.
Provided phone-based technical support and customer service to end users.
Created and managed user accounts within Active Directory.
Assigned and maintained permissions for shared folders, drives, policies, and other security-related resources.
Supported network administration and maintenance activities for client environments.
Provided junior-level management and team support for a team of three employees.
198 Alpha Company Signal Battalion Georgetown, DE
Sergeant / Senior Network Switch Operator January 2001 – June 2021
Operated and maintained switches, routers, and Cisco phone systems to support network communications.
Installed coaxial and Ethernet cabling to establish and maintain network connectivity.
Provided help desk and technical support to Forward Operating Bases during deployment in Afghanistan.
Troubleshot hardware issues involving desktops, laptops, and printers.
Resolved network connectivity issues remotely and via telephone.
Communicated technical issues and resolution status to higher-level management.
Supported military communications and network operations in multiple deployment environments.
SAIC
Senior Help Desk Technician January 2017 – September 2019
Provided technical support for Navy personnel involving computers, handheld devices, and printers.
Diagnosed and resolved hardware, software, internet, and website connectivity issues.
Performed Active Directory administration, including software association and email account configuration.
Delivered technical support through both in-person and telephone interactions.
Maintained a strong focus on customer service and timely issue resolution.
Hewlett Packard (HP) Washington, DC
Field Service Technician July 2015 – January 2017
Provided field and technical support for Navy personnel.
Diagnosed and resolved issues involving computers, handheld devices, and printers.
Troubleshot internet and website connectivity problems.
Managed Active Directory-related tasks, software associations, and email account configurations.
Delivered professional customer service through in-person and telephone support.
EDUCATION
Allied American University Laguna Hills, CA
Bachelor of Science in Computer Information Systems
Allied American University Laguna Hills, CA
Associate Degree in Computer Information Systems
Sussex Technical High School Georgetown, DE
High School Diploma
TECHNICAL SKILLS
Systems & Operating Systems:
Windows 95, 98, ME, 2000, XP, Vista, 7, 10, and 11; Linux/Ubuntu; MS-DOS
Cloud & Infrastructure:
Microsoft Azure, Servers, Firewalls, Routers, Switches, VPN Setup and Maintenance, Network Infrastructure, Data Center Operations
Systems Administration:
Active Directory, Microsoft Exchange Server, PowerShell, Group Policies, User Account Creation and Management, Shared Folder and Drive Permissions, Security Administration
Monitoring & Remote Management:
N-central, SolarWinds, Server Monitoring, Patch Management, Performance Monitoring
Hardware:
Desktop PCs, Laptops, Servers, Printers, Scanners, Copiers, Fax Machines, Routers, Switches, Hubs, and Handheld Devices
Software & Applications:
Microsoft Excel, Word, PowerPoint, Visio, Outlook, Outlook Express, Windows Mail, Corel WordPerfect, Lotus 1-2-3, Internet Explorer, Chrome, Edge, PuTTY, HyperTerminal
Programming & Web:
HTML, Visual Basic, FORTRAN, C++, BASIC
CERTIFICATIONS
CompTIA A+
CompTIA Security+
CCNA
Certified Network Switch Operator/Maintainer
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