U.S. Navy VeteranWashington, DC

A. VinceTolentino

Senior Information Systems Security Engineer
Get my resume ↓Active TS/SCI · CI PolyRMF · ATOSIGINT Analyst

11 years reading the enemy's signalsNow I lock down the Navy's.

6+Navy systems taken to ATO
−75%High / CAT I vulnerabilities
$2MClassified systems & equipment safeguarded
45+Personnel led on national missions
May 2025 – Present

Senior Info Systems Security Engineer

King Cyber LLC · Washington, DC
  • Lead cybersecurity strategy across multiple Navy mission-critical systems and built a standardized RMF process that reduces accreditation delays.
  • Specialize in NIST SP 800-53 Rev 4 and Rev 5 control implementation and assessment, managing packages in eMASS and eMASSter.
  • Secured ATO for 6+ systems with complete RMF packages meeting DoD, NAVIFOR, and Navy standards.
  • Cut High / CAT I vulnerabilities by 75% through coordinated remediation with system owners and engineers.
  • Brief Navy leadership on cyber risk, turning technical findings into clear decisions.
  • Automate compliance reporting with scripting; monitor ACAS results against DISA STIG and CSSP requirements.
Aug 2024 – May 2025

Information Systems Security Engineer

Serco Inc · Washington, DC
  • Led RMF accreditation packages that secured ATO for multiple Navy systems.
  • Implemented and assessed NIST SP 800-53 Rev 4 and Rev 5 security controls, building packages in eMASS and eMASSter.
  • Wrote and implemented cybersecurity policy aligned to DoD, NAVSEA, and SEA 05Q standards.
  • Directed annual assessments for TEAM SUB systems and tracked compliance in eMASS, DITPR-DON, and VRAM.
Apr 2024 – Aug 2024

Cybersecurity Intern

Apex Systems · Washington, DC
  • Built an end-to-end Elastic Stack SIEM with custom dashboards and tested alert rules.
  • Simulated attacks with Nmap and investigated the resulting events through SIEM queries.
  • Configured a pfSense firewall and analyzed traffic with Wireshark and TCP/IP tooling.
May 2013 – Aug 2024

Chief of Ops · Senior Signals Analyst

U.S. Navy · Mission Manager
  • Led teams of 45+ military and civilian personnel on sensitive national intelligence missions.
  • Analyzed and reverse-engineered previously unseen microwave and RF signals, identifying vulnerabilities and emerging threats.
  • Served as Data Transfer Agent safeguarding $2M in classified systems and equipment.
  • Worked with U.S. and partner-nation intelligence and cyber units to mitigate threats to friendly networks.

Training Arc

Education · Certs · Toolkit
Education
M.S. Cybersecurity & Information Assurance
Western Governors University · Expected May 2027 · GPA 4.0
B.S. Cybersecurity
American Military University · 2024 · GPA 3.7
Certifications
ISC2 CC
Aug 2026
CompTIA Security+ CE
Jun 2024
Toolkit
Compliance
RMFNIST SP 800-53 Rev 4 / 5eMASSeMASSterDITPR-DONVRAMDISA STIGsSTIG ViewerEvaluate-STIGSCAPFISMA
Security
ACAS / NessusElastic SIEMWiresharkNmapSnortpfSense
Systems
WindowsLinuxmacOSMS Office
Languages
EnglishTagalog

Next
Chapter?

Emailtolentino.anthonyv@gmail.com
Phone(773) 308-5720
ResumeVince_Tolentino_Resume.pdfDownload

Keep scrolling to start again

01 / 08
Scroll