Antwan Marshall
Summary
Top Secret/SCI-cleared System Administrator with over 7 years of experience supporting enterprise IT systems, end users, and cybersecurity compliance in high-tempo military and government environments. Proven leader with a reputation for reliability, technical agility, and results-driven performance. Served as NCOIC of Client Systems, where I led training programs, standardized processes, and developed continuity documentation to enhance team efficiency and mission readiness. Nominated for NCO of the Quarter after leading a $100K tech refresh, resolving over 150 user support tickets, and mentoring eight junior technicians. Skilled in managing DoD IT assets, enforcing STIG compliance, and ensuring alignment with DoD 8570, RMF, and OPSEC requirements. Brings a mission-first mindset, strong communication skills, and a commitment to operational excellence in support of national security objectives.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Network Systems Technician
492nd Special Operations Wing
08.2023 - Current
- Assisted with network setup tasks such as establishing connections between devices or configuring wireless settings, improving connectivity within client environments.
- Ensured data security by performing regular system backups and maintaining up-to-date antivirus software.
- Provided remote and in-person support to resolve issues.
- Stayed current on industry trends and best practices by attending relevant conferences, workshops, and training sessions, applying new knowledge to enhance client system performance.
- Performed routine maintenance on client systems to ensure optimal functionality, reducing the need for service calls.
- Contributed to the development of departmental policies and procedures, ensuring consistent quality of service across all client engagements.
Cyber Transport Systems
Alabama Air National Guard
04.2015 - Current
- Led implementation of COMSEC procedures and ensured compliance with NSA regulations for classified systems.
- Served as unit COMSEC Responsible Officer (CRO), managing 20+ keying materials with zero discrepancies
- Enhanced network efficiency by implementing and maintaining hardware and software components.
- Coordinated with vendors to source high-quality equipment at competitive prices while fostering strong relationships built on trust.
Education
453 Hour Cyber Defense Operations Course
Community College of The Air Force- Keesler AFB
05.2023
80 Hour Cyber Transport Security + Course
Community College Of The Air Force- Keesler AFB
05.2023
Information Technology Fundamentals Course
Community College Of The Air Force- Keesler AFB
12.2022
High School Diploma -
Northview High School
05.2013
Skills
- Proficient in Active Directory administration: user provisioning, base transfers, and security group management
- Skilled in creating and maintaining organizational mailboxes and email distribution groups within enterprise environments Experienced with system imaging and deployment using ENVI and Desktop Rebuild Assistant (DRA) for Windows-based systems
- Adept at configuring and troubleshooting VoIP phones and network printers using NERD (NIPR Enterprise Remote Device) tools
- Strong working knowledge of EITaaS/ServiceNow for tracking, resolving, and closing end-user support tickets
- Enforces cybersecurity best practices; ensures endpoint compliance with DoD 8570, STIGs, IA training, and OPSEC policies
- Writes and maintains SOPs, technical guides, and continuity documentation to support team knowledge and standardization Provides Tier I–III technical support for enterprise workstations, printers, peripherals, and communication systems
Familiar with key DoD IT tools and standards, including RMF, SCCM, Windows 10/11, Microsoft 365, and enterprise email systems
Certification
- CompTIA Security+
Timeline
Network Systems Technician
492nd Special Operations Wing
08.2023 - Current
Cyber Transport Systems
Alabama Air National Guard
04.2015 - Current
80 Hour Cyber Transport Security + Course
Community College Of The Air Force- Keesler AFB
High School Diploma -
Northview High School
453 Hour Cyber Defense Operations Course
Community College of The Air Force- Keesler AFB
Information Technology Fundamentals Course
Community College Of The Air Force- Keesler AFB
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