Shawn Grandberry
San Antonio,TX
Summary
Detail-oriented Network and Systems Technician with 5+ years of experience in military and government contracting environments. Proven expertise in secure voice, video, and data systems, network troubleshooting, and telecommunications infrastructure. Skilled in supporting classified networks including JWICS, SIPRNet, and NIPRNet. Adept at installing, configuring, and maintaining copper and fiber cabling systems, cryptographic equipment, and secure transmission systems. Committed to delivering high-quality technical support and system reliability in compliance with DoD standards.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Computer Helpdesk Technician
General Dynamics Information Technology Inc
05.2024 - Current
- Installed and configured secure network systems across JWICS, SIPRNet, and NIPRNet environments.
- Conducted vulnerability assessments and enforced cybersecurity protocols to protect sensitive data.
- Developed and enhanced procedures for software updates, hardware configuration, and data security.
- Documented infrastructure changes and updated diagrams post-installation.
- Complied with corporate regulations, policies, and procedures to maximize safety, security, and trust in the organization and employees.
- Provided technical support and training to users, enhancing their understand of systems.
Information Systems Technician
US Navy
05.2020 - 04.2024
- Designed and maintained shipboard telecommunications systems including copper/fiber cabling, switches, and routers.
- Managed virtual servers and performed routine updates and reboots using VMware.
- Configured hardware/software and granted system permissions via Active Directory.
- Experienced with removing and/or correcting security risks via remote desktop
- Troubleshot devices, installed drivers, created user accounts on active directory,
managed permissions, life cycling equipment, and added them to the network - Maintained ship's workstations, printers, monitors, switches, laptops, and Share Drives.
- Responsible for the receipt, transfer, accountability, safeguarding, and destruction of COMSEC
(Communications Security) material assigned to a COMSEC account
Education
Bachelor of Science - Software Engineering
Western Governors University
05-2026
Skills
- Network Cabling (Copper & Fiber)
- Secure Voice Systems
- JWICS, SIPR, and NIPR
- Cryptographic Equipment
- VMware & Virtual Machines
- Network Troubleshooting
- Ticket Management
- AWS Cloud
- Microsoft Windows & Office Suite
- Active Directory & System Permissions
- IT Compliance & Policy Implementation
- Telecommunications Infrastructure
Certification
- CompTIA Security+
- AWS Certified Cloud Practitioner
Timeline
Computer Helpdesk Technician
General Dynamics Information Technology Inc
05.2024 - Current
Information Systems Technician
US Navy
05.2020 - 04.2024
Bachelor of Science - Software Engineering
Western Governors University