Thaddeus Atchison
Crestview,FL
Summary
Dynamic Information Systems Security Officer with extensive experience at OSAAVA Services, adept in implementing robust security protocols and managing risk across critical IT infrastructure. Proficient in Windows Server and VMware, I excel in strategic planning and incident response, ensuring system integrity and compliance while fostering team collaboration and user training initiatives.
Overview
22
22
years of professional experience
1
1
Certification
Work History
SAP Information System Security Officer
OSAAVA Services – 53rd Wing, Eglin AFB, FL
Eglin AFB, FL
07.2023 - 06.2025
- - Administered security protocols and system configurations for SAP environments in accordance with DoD policies.
- - Performed access control and system audits; delivered technical support and user training initiatives.
- - Responded to security incidents swiftly, ensuring system integrity and compliance reporting.
Information Systems Security Officer / Senior IT Manager
United States Army, Various Locations
04.2003 - 07.2023
- - Oversaw system hardening and secure communications for tactical and enterprise networks globally.
- - Implemented security standards and managed risk across critical IT infrastructure.
- - Directed satellite and edge network deployments, ensuring high availability under operational constraints.
- - Guided strategic IT planning with military leadership, improving system scalability and resilience.
Education
High School Diploma -
Bibb County High School
Bibb County AL05-1999
Skills
- Windows Server
- Active Directory
- VMware
- Cisco networking
- Cloud computing
- Encryption protocols
- PowerShell
- SIEM Tools
- MS Office
- Incident response
- Technical support
- Problem solving
- Report writing
- Risk management
Certification
- - CompTIA Security+ (exp. 2026-04)
- - CompTIA Network+ (exp. 2026-04)
- - Cisco CCNA (exp. 2023-04)
- - Azure Administrator Associate (exp. 2023-04)
- - CompTIA Cloud+, CASP+, Secure Cloud Professional, Cloud Admin Professional (exp. 2026-04)
Core Competencies
- - Systems Administration & Network Operations
- - Risk & Vulnerability Management
- - Cybersecurity Policies & Compliance (RMF, NIST)
- - Secure Cloud Integration (Azure, AWS)
- - Virtualization & Server Management
- - Incident Response & Continuity Planning
- - Team Leadership & Technical Mentorship
- - Customer-focused Communication
Timeline
SAP Information System Security Officer
OSAAVA Services – 53rd Wing, Eglin AFB, FL
07.2023 - 06.2025
Information Systems Security Officer / Senior IT Manager
United States Army, Various Locations
04.2003 - 07.2023
High School Diploma -
Bibb County High School
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