XAVIER HARPER
San Diego
Summary
Senior Cybersecurity Analyst with experience supporting classified DoD environments across cybersecurity operations, continuous monitoring, RMF compliance, and system administration. Proven ability to assess risk, implement security controls, analyze vulnerabilities, and support mission-critical systems.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Senior Cybersecurity Analyst
U.S. Navy
San Diego
03.2023 - Current
- Executed continuous monitoring and security operations in classified environments, enhancing threat detection through alert review, log validation, and anomaly identification.
- Conducted vulnerability assessments and compliance validation using DISA STIGs and ACAS/Nessus across Windows and Linux systems.
- Analyzed vulnerability scan results and security findings to prioritize risk and support remediation planning.
- Collaborated with system owners and administrators to remediate findings, ensuring compliance and maintaining system authorization posture.
- Supported RMF activities across system lifecycle phases, contributing to security control validation and POA&M development and tracking.
Systems Administrator
U.S. Navy
San Diego
11.2017 - 09.2022
- Administered and secured Windows and Linux systems in classified environments, performing system hardening, patching, and DISA STIG-aligned configurations.
- Managed user access and account maintenance while enforcing baseline configurations within secure enclaves.
- Troubleshot system, network, and application issues to ensure uninterrupted mission operations.
Education
B.S. - Cybersecurity and Information Assurance
Western Governors University
04-2027
Skills
- Compliance with security standards
- System hardening techniques
- NIST SP 800-53 framework
- Risk management framework (RMF)
- DISA STIG adherence
- Action plans and milestones (POA&M)
- ACAS/Nessus tools
- Vulnerability oversight
- Incident handling procedures
- Windows Server operations
- Active Directory administration
- Virtualization technologies
Clearance
Active TS/SCI Clearance
Certification
- CompTIA CASP+ (SecurityX)
- CySA+
- Security+
- Network+
Timeline
Senior Cybersecurity Analyst
U.S. Navy
03.2023 - Current
Systems Administrator
U.S. Navy
11.2017 - 09.2022
B.S. - Cybersecurity and Information Assurance
Western Governors University