Sean Henry
St. Leonard,MD
Summary
Highly driven cyber professional with multi-domain experience spanning Cyber Protection Team operations, intelligence analysis, and Marine Corps small-unit leadership. Proven ability to perform above paygrade, execute complex technical missions, and brief senior leaders with clarity and confidence. Skilled in threat analysis, host-based incident response, penetration testing, and mission planning, with a strong record of reliability, consistency, and developing others. Combines advanced cyber certifications with combat-tested leadership to deliver results in high-stress, high-impact environments.
Overview
14
14
years of professional experience
Work History
Senior Host Analyst
1790 CPT
Washington DC
06.2023 - Current
- Executed host-based vulnerability assessments and penetration tests during CPT operations, leveraging certifications and experience to identify high-risk findings and strengthen partner network security.
- Developed and implemented improved scanning and enumeration scripts, resolving tool failures, increasing accuracy, and establishing new CPT standards that enhanced mission efficiency.
- Authored and delivered mission reports and technical briefs to senior leaders, including Admirals, Captains of the Port, and CISOs, translating complex findings into actionable cybersecurity insights.
Senior All Source Intelligence Analyst
1790 CPT
Washington DC
03.2022 - 06.2023
- Produced Pre-Deployment Intelligence Packages supporting both CPT 1790 and 2013 missions, enabling mission elements to understand partner network environments and strengthening maritime cyber defense coordination.
- Led the CPT intelligence section during extended absences, maintaining analytic continuity, creating process guides, qualifying junior members and updating ASA mission-support checklists. This standardized workflows that improved accuracy and onboarding efficiency across the team.
- Trained and mentored junior All-Source Analysts, providing instruction on Pre-Deployment Intelligence Packages, JQRs, and RPQs; mentorship accelerated member qualifications and increased overall CPT intelligence readiness
Student
Joint Cyber Analysis Course (JCAC)
Pensacola, Florida
07.2021 - 03.2022
- Graduated Top 5 with a final grade of 94
Intelligence Specialist
Sector St. Petersburg
St. Petersburg, Florida
05.2019 - 07.2021
- Served as the sole enlisted intelligence specialist, delivering high-quality analysis and briefs to sector leadership, and regularly representing the Coast Guard at federal and state intelligence meetings across the AOR.
- Performed well above pay grade, requiring minimal oversight, and applying strong judgment and technical acumen to complex intelligence tasks normally handled by senior petty officers.
- Integrated quickly into Sector operations, providing timely, actionable intelligence that strengthened COTP missions, partner coordination, and command decision-making.
Infantry Machine Gunner
USMC
Twentynine Palms, California
12.2011 - 12.2016
- Led a machine gun team as an E-3 in a CAAT, directing fire teams and weapon systems during mounted operations in Afghanistan; coordinated fields of fire, ensured weapons readiness, and maintained discipline under combat conditions.
- Executed combat patrols, convoy security, and overwatch missions as part of CAAT, integrating heavy weapons, vehicle-mounted platforms, and communications to protect friendly forces and maintain freedom of movement.
- Trained and supervised junior Marines on machine gun employment, fire control, and battle drills, improving unit proficiency in both CAAT missions and 240 line company operations.
Education
Bachelor Of Science - Computer Science
University of Maryland Global Campus
Hyattsville, MDSkills
- Cyber Threat Analysis
- Incident Response
- Penetration Testing
- Technical Leadership
- High-Stress Decisionmaking
- Mission Execution
- Above-Paygrade Performance
- Reliable and Consistent
- Team Development
- Operational Discipline
Timeline
Senior Host Analyst
1790 CPT
06.2023 - Current
Senior All Source Intelligence Analyst
1790 CPT
03.2022 - 06.2023
Student
Joint Cyber Analysis Course (JCAC)
07.2021 - 03.2022
Intelligence Specialist
Sector St. Petersburg
05.2019 - 07.2021
Infantry Machine Gunner
USMC
12.2011 - 12.2016
Bachelor Of Science - Computer Science
University of Maryland Global Campus