Rhinnard Williams
Orlando,FL
Summary
Dynamic Senior Cybersecurity Analyst and Acting ISSO with over five years of experience safeguarding DoD and federal environments. Proven track record in driving RMF compliance, ATO sustainment, continuous monitoring, and incident response, achieving 30-40% improvements in risk reduction initiatives while maintaining 99-100% audit readiness. Proficient in industry-leading tools such as Splunk, Tenable.sc/ACAS, and Trellix (McAfee ePO), with a strong foundation in NIST 800-53 and DISA STIG/SRG standards. Collaborative partner to ISSMs and system owners, seeking senior roles that prioritize leadership, rigorous security measures, and tangible outcomes.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Senior Cybersecurity Analyst / Acting ISSO
ServiceNow
Orlando, FL
10.2023 - Current
- Own RMF execution and ATO sustainment for high-visibility DoD systems; maintained 99% security compliance and 100% audit readiness.
- Drove continuous monitoring and coordinated ISSM/system-owner risk treatments, cutting high/critical vulnerabilities by 35% in year one.
- Engineered Splunk dashboards, detections, and correlation rules; reduced MTTD/MTTR by 40%.
- Administered Trellix (McAfee ePO) and Tenable Security Center, enforcing policies that lifted audit scores by 25%.
- Authored and governed SSPs, SARs, POA&Ms; risk acceptance packages ensuring flawless assessments and uninterrupted ATO renewals.
- Mentored 6 analysts, increasing team throughput by 20%; coordinated with DoD agencies and allied partners to harden shared environments.
- Hours/Week: 40
- Annual Pay: $110,000
Cybersecurity Analyst
Leidos
Orlando, FL
09.2021 - 10.2023
- Partnered with ISSM to protect classified DoD systems; sustained a 99% compliance success rate.
- Executed weekly/monthly/quarterly continuous monitoring, improving remediation closure rates by 28%.
- Installed/administered Trellix (McAfee ePO); enterprise policies boosted compliance by 22%.
- Built Splunk dashboards/alerts and solved forwarder/server sync issues; raised detection accuracy 30%.
- Ran Tenable Security Center reviews of ACAS results and led remediation to cut high-risk vulns by 15%.
- Produced SSPs, SARs, POA&Ms; to 100% audit readiness and supported sustained ATOs.
- Coordinated with U.S. and allied partners on risk assessments and secure information sharing in joint operations.
- Hours/Week: 40
- Annual Pay: $85,000
Cybersecurity Analyst / Acting ISSO
U.S. Army
Orlando, FL
02.2020 - 09.2021
- Served as ISSO for multiple classified systems; delivered RMF compliance, ATO sustainment, and audit readiness with a 98% success rate.
- Led vulnerability management via Tenable.sc/ACAS and HBSS; open findings ↓ 30% through disciplined POA&M; tracking.
- Ran weekly/monthly/quarterly compliance audits; organizational readiness ↑ 25%.
- Executed Windows/Linux hardening per DISA STIG/SRGs; validated SCAP scans; misconfigs ↓ 40%.
- Developed Splunk dashboards/queries; incident response time ↓ 35%.
- Delivered cybersecurity & OPSEC training to 200+ personnel and senior leaders; compliance awareness ↑ 20%.
- Authored SOPs/tech guides and mentored junior Soldiers; section efficiency ↑ 15%.
- Worked alongside foreign nations during OCONUS deployments (Syria, Iraq, Kuwait), enforcing mission-critical controls and secure coalition interoperability.
- Hours/Week: 40-50
- Annual Pay (equiv.): $85,000
Education
M.S. - Cybersecurity (Systems Track)
Florida International University (FIU)
01.2026
B.S. - Computer Science
FIU
Miami, FL08.2025
A.A. - Computer Science
Valencia College
12.2023
Skills
- Implementation of risk management framework
- ISSO and ISSM collaboration
- Real-time system evaluation
- Strategic oversight of POA&M activities
- Proficient in vulnerability management tools
- Splunk SIEM expertise
- Windows/Linux Hardening (DISA STIG/SRG, SCAP)
- NIST 800-53/37/171
- Risk assessment expertise
- Incident Detection & Response (MTTD/MTTR reduction)
- OPSEC/Security Training
- Coalition/Allied Cybersecurity Collaboration
- Documentation (SSP, SAR, POA&M;)
- Mentorship facilitation
- Network security
- Digital forensics
- Incident response
- Risk assessment
Websites
Accomplishments
- Collaborated with team of 8 in the development of military cybersecurity defense anlong side allied nations.
Certification
- CompTIA Security+ (SY0-701) — In Progress
- DoD 8570 IAM Level II Eligible
- Active DoD Secret Clearance
Languages
Spanish
Native or Bilingual
Arabic
Native or Bilingual
SIGNATURE IMPACT
- 100% audit readiness across roles; 99%+ RMF/ATO compliance maintained.
- 35–40% reductions in critical vulns, misconfigs, and response times; 30% fewer unresolved findings.
- Trained 200+ personnel; strengthened coalition cybersecurity with allied partners.
amry combat ribbion
served in combat zones as a senior NCO in a cyber security role on a 9 month deployment under operation inherent resolve
Timeline
Senior Cybersecurity Analyst / Acting ISSO
ServiceNow
10.2023 - Current
Cybersecurity Analyst
Leidos
09.2021 - 10.2023
Cybersecurity Analyst / Acting ISSO
U.S. Army
02.2020 - 09.2021
M.S. - Cybersecurity (Systems Track)
Florida International University (FIU)
B.S. - Computer Science
FIU
A.A. - Computer Science
Valencia College