Robert Michael Griffin Jr.
Data Systems/Network Administrator
Iwakuni,Yamaguchi
Summary
U.S. Marine Corps Data Systems Administrator (0671) with over six years of experience managing IT systems, network operations, and cybersecurity compliance. Proven leadership in multiple billets including Platoon Sergeant, Maintenance Chief, and Data Chief. Strong foundation in system security, troubleshooting, and team management. Passionate about cybersecurity, entrepreneurship, and continuous learning. Currently based in Japan and pursuing opportunities in IT support, systems administration, and cybersecurity.
Overview
7
7
years of professional experience
Work History
Data Systems Administrator (0671)
United States Marine Corps
10.2019 - Current
- Oversaw and sustained secure network and server systems enabling mission-critical operations.
- Facilitated Cybersecurity ATO requirements encompassing ISSO/ISSM for squadron of 400 personnel.
- Directed operations as Platoon Sergeant (Jun 2023 – Jun 2024), managing over 30 Marines and ensuring efficient daily activities.
- Served as Maintenance Chief for communications equipment functions and upgrades (Jan 2024 – May 2025).
- Directed data management as Data Chief (2022 – 2023), overseeing data systems to ensure maximum uptime and reliability.
- Directed cybersecurity compliance, conducted system audits, and facilitated user training.
- Guided junior Marines to elevate team readiness
Online Clothing Reseller
Self-Employed
01.2019 - Current
- Established and operated online clothing resale business generating over $20,000 in supplemental income.
- Leverage eBay, Mercari, and Grailed for sales, marketing, and logistics.
- Cultivated business management, e-commerce strategy, and customer relations expertise.
- Virtual Enterprise
Recreation Assistant (Part-Time)
Ironworks Gym (MCCS Iwakuni)
08.2022 - 10.2025
- Facilitate front desk functions and aid members in accessing facility services.
- Manage event execution, improve customer service interactions, and oversee daily operations.
- Administered RecTrac recreation management system to coordinate member check-ins, reservations, and facility access at busy on-base fitness center.
Education
Data Systems Administrator Course
U.S. Marine Corps
Incidental Radio Operators Course
U.S. Marine Corps
CompTIA Security+
Continuing Studies in Cybersecurity & Business Management
Skills
Network Administration
Accomplishments
- - National Junior Powerlifting Competitor (2023) – Total: 1,402 lbs @67.5kg
- - Meritoriously Promoted to Non-Commissioned Officer (USMC)
- - Recognized for excellence in leadership and operational readiness Fire Team leader during multiple Operations including Operation Freedom Flag (DMZ, South Korea) — supervised and ensured the safety, readiness, and performance of Marines in a high-tension forward-deployed environment.
- - Built and managed a profitable online business, generating over $20,000 in sales while balancing full-time active duty, part time job, and family responsibilities.
- - Proud husband and father of five committed to faith, family, and leading by example.
Apprenticeship
-COMPUTER OPERATOR (2000 hrs)
Date Awarded
26-APR-2023
Institution
Department of Labor
Timeline
Recreation Assistant (Part-Time)
Ironworks Gym (MCCS Iwakuni)
08.2022 - 10.2025
Data Systems Administrator (0671)
United States Marine Corps
10.2019 - Current
Online Clothing Reseller
Self-Employed
01.2019 - Current
Data Systems Administrator Course
U.S. Marine Corps
Incidental Radio Operators Course
U.S. Marine Corps