Steven J. Geronimo
San Antonio,TX
Summary
Certified Cybersecurity Analyst with over 20 years of experience in vulnerability management, cloud security, and systems integration. Holder of CEH, CHFI, and ACCISO certifications, with expertise in NIST compliance, risk assessment, and mitigating cyber threats across on-premises and cloud environments. Proven track record in implementing cybersecurity policies, reducing vulnerabilities by up to 40%, and safeguarding critical assets. Demonstrates exceptional leadership in guiding large teams, fostering performance improvements, and collaborating with U.S. military and allied forces.
Overview
24
24
years of professional experience
1
1
Certification
Work History
Maintenance Data Systems Chief
United States Marine Corps
01.2019 - Current
- Coordinate aircraft accounting and communications for over 200 aviation assets in compliance with strict reporting protocols
- Enforce and implement cybersecurity policies to safeguard data, including Autonomic Logistics Information System (ALIS) management, while significantly reducing data breaches
- Provide advanced analytics and visualizations to support aircraft readiness and decision-making regarding maintenance trends
- Conduct cybersecurity risk assessments to protect data integrity, notably within ALIS, and lead a team of over 300 Marines to enhance leadership skills and operational excellence
- Collaborate with Headquarters Marine Corps for optimal workforce allocations and integrate cybersecurity knowledge to address emerging threats for increasing team efficiency
- Boosted operational efficiency by 20%, increasing decision-making skills by equipping management with analytics
- Delivered detailed technical data to support aircraft readiness evaluations via maintenance of high operational standards
- Mitigated cyber threats by 35% by deploying advanced intrusion detection systems and securing databases against unauthorized access, contributing to operational resiliency
- Achieved a 40% reduction in vulnerabilities within ALIS environments by conducting threat assessments and aligning security measures with NIST 800-53 and DoD cybersecurity standards
- Fostered a 15% improvement in performance metrics by promoting statistical tools and AIRSpeed process optimization methods among personnel
Application Administrator / Data Analyst
United States Marine Corps
01.2015 - 01.2019
- Managed comprehensive data analysis initiatives and interpreted trends to improve maintenance strategies by integrating advanced cybersecurity practices to ensure sensitive data protection and full compliance with Special Access Programs (SAP) protocols
- Verified and maintained the integrity of maintenance materials and components documentation by employing robust cybersecurity measures to prevent unauthorized access, particularly within SAP environments
- Resolved application issues related to work orders and Maintenance Action Forms (MAF) by executing best practices in cybersecurity to sustain SAP-related data integrity and decrease system downtime
- Utilized statistical data and formulas to calculate aircraft maintenance requirements (AV3M) by reinforcing data protection measures under SAP guidelines
- Conducted database server backups and restorations while guaranteeing data recoverability in alignment with SAP cybersecurity standards
- Executed SQL and ADHOC queries to troubleshoot applications and databases while ensuring secure and compliant maintenance department reports
- Optimized data security by 30% by applying cybersecurity protocols to NALCOMIS OOMA report generation
- Successfully reduced data breaches by 25% by implementing SAP protocols and cybersecurity measures
- Saved database integrity while minimizing unauthorized access incidents by 40% in compliance with SAP requirements
- Attained a 15% reduction in system downtime by managing and escalating application issues related to maintenance data
- Updated data accuracy by 20% via computation of aircraft maintenance requirements using statistical data and cybersecurity measures
System Administrator
United States Marine Corps
01.2010 - 01.2015
- Managed system configurations, account management, and updates for application and database servers within the White House Communications Agency network
- Integrated robust cybersecurity protocols by facilitating secure data transfers and deploying encryption to guarantee data integrity
- Executed disaster recovery plans while reducing recovery time and increasing service restoration capabilities
- Conducted server and software testing to retain optimal performance and decrease downtime
- Orchestrated user accounts through Microsoft Active Directory and Group Policy by fortifying cybersecurity policies
- Streamlined server management processes while ensuring zero downtime or data loss for mission-critical operations
- Safeguarded systems from vulnerabilities while achieving a 30% reduction in potential security threats
- Diminished cyber incident recovery time by 25% while verifying rapid service restoration with minimal data loss
- Improved systems reliability by supporting the White House Communications Agency's high-stakes communication needs
- Led training sessions for 100+ personnel in server maintenance/cybersecurity practices while reducing incidents by 40%
- System vulnerabilities were decreased by 20% via security fixes and patches from Sybase, Naval Information Warfare Center (NIWC), and Microsoft
Configuration Manager/Database Administrator
United States Marine Corps
01.2001 - 01.2010
- Excelled in maintaining aircraft maintenance records, managing mission-critical databases, and supervising configuration control to support operational readiness and regulatory compliance—trained personnel to improve team efficiency and data integrity
- Maintained accurate aircraft maintenance records, improving readiness reporting by 15%
- Administered and secured mission-critical databases, optimizing data storage and reducing unauthorized access by 25%
- Supervised configuration control of systems, ensuring documentation accuracy and regulatory compliance
- Trained junior personnel in maintenance documentation and database management, enhancing team proficiency and data integrity
Education
CTG - Executive Strategic Leadership
Liberty University
Lynchburg, VA10.2024
Master of Science - Cybersecurity & Information Assurance
Western Governors University
Salt Lake City, UT04.2018
Bachelor of Science - Information Systems Security
American Military University
Charles Town, WV08.2013
Associate of Arts - General Studies
American Military University
Charles Town, WV11.2009
Skills
- Cybersecurity Threat Analysis
- Vulnerability Assessment/Analysis
- Data/Advanced Systems Management
- Strategic Resource Allocation
- SQL/ADHOC Query Execution
- Risk Assessment/Data Integrity
- Data Analytics/Visualization
- Leadership/Team Management
- Cybersecurity Policy Implementation
- AWS services
- Kubernetes
- Docker
- CI/CD
- PowerShell
- Bash
- SQL
- Power BI
- Microsoft Azure
- Terraform
- Jenkins
- Git
- Grafana
- Linux/Unix Administrator
- Windows Administrator
Certification
- Associate Certified Chief Information Security Officer (ACCISO), EC-Council
- CompTIA Network+, CompTIA
- CompTIA Security+, CompTIA
- Computer Hacking Forensic Investigator (CHFI), EC-Council
- Certified Ethical Hacker (CEH), EC-Council
- Certified Network Defense Architect (CNDA), EC-Council
- Microsoft Certified: Azure Data Fundamentals, Microsoft
Timeline
Maintenance Data Systems Chief
United States Marine Corps
01.2019 - Current
Application Administrator / Data Analyst
United States Marine Corps
01.2015 - 01.2019
System Administrator
United States Marine Corps
01.2010 - 01.2015
Configuration Manager/Database Administrator
United States Marine Corps
01.2001 - 01.2010
- Associate Certified Chief Information Security Officer (ACCISO), EC-Council
- CompTIA Network+, CompTIA
- CompTIA Security+, CompTIA
- Computer Hacking Forensic Investigator (CHFI), EC-Council
- Certified Ethical Hacker (CEH), EC-Council
- Certified Network Defense Architect (CNDA), EC-Council
- Microsoft Certified: Azure Data Fundamentals, Microsoft
CTG - Executive Strategic Leadership
Liberty University
Master of Science - Cybersecurity & Information Assurance
Western Governors University
Bachelor of Science - Information Systems Security
American Military University
Associate of Arts - General Studies
American Military University
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