Geylon G. Preston
Annapolis,MD
Summary
Solution-oriented IT Specialist with over 11 years of experience. Leverages a strong foundation in Cyber Security, Network Management, and System Administration to provide high-quality technical and end-user support across large IT infrastructures.
Overview
10
10
years of professional experience
1
1
Certification
Work History
IT Specialist (Zone Lead)
US Naval Academy
06.2025 - Current
- Technical lead for three GS employees and one government contractor, providing IT oversight, technical escalation, and project management within the zone.
- Provides direct IT support for high-visibility events such as Induction Day, Academic and Physical Education Boards, and Preparatory School Admission.
- Provides forward facing support to several high-visibility users at the Naval academy including the Superintendent, Chief of Staff, Commandant of Admission.
- Oversees and coordinates the Life Cycle Management of IT assets across 12 departments.
- Project manager and lead administrator for the E-tagout server installation.
- Globally published and recognized as the Lead Customer Technical Representative (CTR) for the Naval Academy by NMCI, allowing escalated Flank speed and classified account buildout submissions.
Cyber Security Administrator
US Naval Academy
10.2022 - 06.2025
- Departmental Leading Petty Officer responsible for seven ITSD Military staff members.
- Draft and conducted the Plan of Actions & Milestones (POA&M) as well as the initial, update, and final IPRs to ITSD leadership for USNA’s Classified Network Migration from Ward to Hopper Hall.
- Globally published and recognized as the official Information Systems Security Officer (ISSO) for Naval Academy’s classified networks and SAAR repository, allowing escalated classified support and approval for external military systems.
- Negotiated with external vendors and presented domain solutions for Zero-Trust implementation for a 9000+ user infrastructure.
- Draft and published three standard operating procedures (SOP) for message traffic handling, COMSEC emergency destruction planning (EDP), and Task Order Submissions.
- Trained and qualified six military members as Cyber Security Administrators, Vulnerability Remediators, and Incident Handlers.
- Primary Classified Equipment Custodian for Naval Academy’s Secret and Top-Secret networks.
Network Administration and Server Operations
NCTS Bahrain
01.2021 - 10.2022
- Trained, oversaw, and distributed 19 Network Engineers across numerous remote destinations to provide optimal coverage for Navy Networks in the country.
- Rebuilt, reloaded, and restored multiple router configuration across the island to resolve major outages.
- Maintained cellular contract and mobile device management for mission essential contacts across the US Footprint within Bahrain.
- Enforced enhanced port security for over 4000 devices ensuring consistent and accurate network integrity.
- Performed a time sensitive network installation to restore classified services for ISA Air Base during Operation Allied Refuge.
- Work Center Supervisor for 26 Field and Client technicians.
- Received Sailor of the Year award from NCTS Bahrain 2022.
Information Systems Watch Officer
Seventh Fleet, CG67
09.2018 - 01.2021
- Provided lead supervisory and SME role for all Cyber, Network, and System affairs while onboard the Ticonderoga-class guided missile cruiser.
- Performed extensive server maintenance and system support as the Global Command and Control System Maritime (GCCS-M) administrator, ensuring continued mission planning and execution.
- Initiated and completed installation and Validation Test for the Combined Enterprise Regional Information Exchange System (CENTRIXS).
- Graded and passed by Board of Inspection and Survey (INSURV) for IT Communication and Systems for USS Shiloh.
- Temporarily assigned to USS Benfold to prep and be graded for an additional INSURV due to previous success. Received the Battle-E Award which denoted the highest levels of readiness, performance, efficiency, and safety.
JWICS WAN Administrator
Office of Naval Intelligence
07.2015 - 09.2018
- Provided Wide Area support for Classified Network installation and troubleshooting across the DMV (DC, Maryland, Virginia) area.
- Revised external network infrastructure diagrams for optimal clarity and information accuracy, improving troubleshooting and planning.
- Designed a fully simulated lab environment for internal network testing before operational deployment.
- Evaluated as the #1 sailor among the E4 Enlisted.
Operations Watch Officer
Office of Naval Intelligence
07.2015 - 09.2018
- Conducted operational intelligence briefs for 3-star admiral.
- Provided dissemination and customer support for classified Naval Messaging Systems.
- Led a team of 6 technicians to provide Tier 1-3 network support for mission essential customers.
- Maintained and managed IT Help Desk for internal customer issues.
Education
Navy IT A School - Computer Technology
Naval Education Training Command
Pensacola, FL08-2015
Global Command and Control System-Maritime - Computer Networking
Information Warfare Training Command
Virginia Beach, VA09-2018
Navy IT System Administration School - Computer Information Systems
Information Warfare Training Command
Virginia Beach11-2022
Skills
- ACAS Vulnerability Management
- IBM Security QRADAR Administrator
- Aruba ClearPass Administrator
- NCDOC Case Management
- Cisco Architecture Management
- Type 1 TACLANS
- Putty
- Windows Server 2016, 2019 & 2022
- Windows Operating System 7, 10, & 11
- Vsphere 65 & 7
- STIG Compliance
- Active Directory
- Group Policy Management
- Microsoft Configuration Manager
- Blackberry Enterprise Server (BES)
Certification
- CompTIA Pentest+
- CompTIA Security+
- CompTIA A+
- Information Systems Security Officer (ISSO)
- COMSEC Local Element
- DISA Assured Compliance Assessment Solution (ACAS) v5.14
Timeline
IT Specialist (Zone Lead)
US Naval Academy
06.2025 - Current
Cyber Security Administrator
US Naval Academy
10.2022 - 06.2025
Network Administration and Server Operations
NCTS Bahrain
01.2021 - 10.2022
Information Systems Watch Officer
Seventh Fleet, CG67
09.2018 - 01.2021
JWICS WAN Administrator
Office of Naval Intelligence
07.2015 - 09.2018
Operations Watch Officer
Office of Naval Intelligence
07.2015 - 09.2018
Navy IT A School - Computer Technology
Naval Education Training Command
Global Command and Control System-Maritime - Computer Networking
Information Warfare Training Command
Navy IT System Administration School - Computer Information Systems
Information Warfare Training Command
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