Summary
Overview
Work History
Education
Skills
Security Clearance
Certification
Professional References
Professional Awards
Affiliations
Websites
References
Timeline
Generic

Michael Ledgister

Chula Vista

Summary

Dynamic Information System Security Manager with extensive experience at Command Navy Region Southwest. Proven expertise in security policy development and incident response, ensuring system availability and integrity. Adept at risk management and fostering cybersecurity awareness, driving organizational success through effective communication and collaboration. Passionate about optimizing IT infrastructure and enhancing user training. Adept at improving security policies, reducing incidents such as unauthorized access and improving overall facility security. History of achieving recognition as a strong performer and exceptional security leader.

Overview

12
12
years of professional experience
1
1
Certification

Work History

Information System Security Manager(ISSM))

Command Navy Region Southwest (CNRSW)
San Diego
05.2024 - Current
  • Manage accounts, network rights, and access to systems and equipment.
  • Facilitated planning and coordination of installation, testing, operation, troubleshooting, and maintenance of hardware and software systems to meet customer business requirements.
  • Directed management of system resources to optimize performance and recoverability.
    Ensured continuous system availability and operational integrity.
    Sustained configurations for consistent efficiency.
    Executed application of DISA System Technical Implementation Guide patches and IA Vulnerability Alerts.

Consult with customers to identify and specify requirements.

  • Develop and manage customer service performance requirements.
  • Developed security policies for information systems across the organization.
  • Managed risk assessments to identify vulnerabilities in IT infrastructure.
  • Led incident response efforts for cybersecurity breaches and threats.
  • Coordinated security awareness training for employees and stakeholders.
  • Trained users on computer security best practices, including password protection, email safety protocols, and virus protection methods.

Adjunct Instructor

The California Institute of Arts & Technology
San Diego
06.2017 - Current
  • Provide functional and technical support to students.
  • Create curriculum, lesson plans, and instructor guides.
  • Use mission-relevant role-playing techniques and performance-based exercises to reinforce learning objectives.
  • Improve knowledge and skill acquisition through the application of constructive feedback from students and staff.
  • Conduct boot camp training for test takers.

Information Technology Specialist (Sysadmin)

Department of the Navy (NBPL)
San Diego
09.2021 - 05.2024
  • Manage accounts, network rights, and access to systems and equipment.
  • Work that involves planning and coordinating the installation, testing, operation, troubleshooting, and maintenance of hardware and software systems to meet the business requirements of the customer.
  • Manage systems resources including performance, availability, and recoverability. Ensure systems availability, functionality, integrity, and efficiency. Maintain systems configuration. Apply all applicable Defense Information Systems Agency (DISA) System Technical Implementation Guide (STIG) and Information Assurance (IA) Information Assurance Vulnerability Alert (IA VA) patches.
  • Run Assured Compliance Access Solution (ACAS) and upload to Vulnerability Management System (VMS) and Vulnerability Remediation Asset Manager (VRAM).
  • Consult with customers to identify and specify requirements.
  • Develop and manage customer service performance requirements.
  • Disseminates standards to users, provides training and implementation assistance, reviews and prepares recommendations concerning all requests for waiver of mandatory standards.

Systems Administration

General Dynamics Information Technology (GDIT)
San Diego
01.2019 - 09.2021
  • Adept at training and educating internal users and students on relevant cybersecurity procedures and preventative measures. Lectured on material for the CISSP certifications course. Reviewed and implement cybersecurity manuals to prevent and minimize security threats.
  • Maintain cybersecurity posture with McAfee ePolicy Orchestrator. Audit queries and reports using Audit Logs, Server Task Logs and Event Query Logs. Create monthly assessment reports that assess threat events and malware activities focusing on vulnerabilities and remediation efforts.
  • Provide risk management and mitigation guidance. Identify assets and validate identified threats of interest and vulnerability targets. Recommend security controls to mitigate threats. Verify vulnerability remediation and patch deployment.

Systems Analyst II

KOAM Engineering Systems (KES)
San Diego
02.2019 - 06.2019
  • Able to communicate effectively at all levels of the organization, with internal or external customers, in written and oral format.
  • Test the Equipment/system (routers, switches, computers, server).
  • Identify and procure testing material and equipment.
  • Identify discrepancies and report them to the PITCO Lab Manager for resolution.
  • Troubleshoot all technical discrepancies while annotating the specific symptoms and indicate the specific steps taken to affect the repair or equipment swap-out.
  • Develop documentation as deficiencies warrant.
  • Examine/Comply with schedules for equipment/system software loading, installation, material delivery, and ship/shore availability.
  • Ensure necessary administration tasks are completed, direct others as necessary.

PC Technician

SRG Government Services
Orlando
07.2018 - 02.2019
  • Manage tickets using remedy, escalate tickets that are not within scope.
  • Analyzing and making recommendations for hardware and software standardization.
  • Offer technical support and teach users how to utilize system functionality.
  • Troubleshoot break fixes, connectivity issues, software etc. on NIPR and SIPR networks.
  • Reimage computers and assess performance issues.
  • Document lessons learned from repairs and fixes.
  • Maintaining an inventory of installed software, managing software licensing, and creating policies and procedures for upgrades.

Field Services Technician

Marathon TS
Sterling
11.2017 - 07.2018
  • Maintained excellent work relationships with users.
  • Responsible for setting and mapping of Multi-Functional Devices (MFD).
  • Responsible for troubleshooting and repair of CAC cards and 90-meter issues for both Non-classified Internet Protocol Router (NIPR) and Secret Internet Protocol Router (SIPR) machines from Hewlett Packard Service Manager (HPSM) tickets.
  • Provided support by utilizing remote access and troubleshooting workstation, network, and server connectivity.
  • Managed group policy for printers and Windows updates.
  • Ensured the confidentiality, availability, and integrity of IT systems by maintaining full compliance of the Federal Information Security Management Act (FISMA), related NIST standards, and agency Information Technology Security policies and standards.

Records Management System (RMS) Supervisor

United States Navy
San Diego
09.2015 - 08.2016
  • Team builder recognized for having a dynamic skillset in a culturally diverse workforce. Adept to building excellent rapport with clients and team members; delegate effectively and motivate team members to achieve on time project completion.
  • Collaborate with other departments to meet customer requirements related to material usage in the prevention of shortages to minimize impacts and maximize productivity.
  • Analyze and coordinate logistics functions for the US Navy. Maintain and develop positive business relationships with customers and other logistic activities.
  • Direct the availability and allocation of materials, supplies and finished products.

Logistics Specialist 2nd Class

United States Navy
09.2013 - 08.2016
  • Volunteered for several hours of community service through the YMCA 'Feeding America San Diego Drive'.
  • As a training instructor, qualified 12 repair parts petty officer (RPPO) increasing command operational and logistics readiness.
  • Supervised 5 logistic specialist in managing a combined OPTAR of more than 600K.
  • Divisional Career Counselor – assisted the Navy’s retention efforts by through training and mentorship by conducting 14 successful CWAY applications and 23 Career Development boards resulting in the advancement of 5 sailors and 5 reenlistments.
  • Supervised the acquisition of parts and labor for 4 ships 2843 pieces of Armament Weapons Support Equipment (AWSE).
  • Processed more than 1300 requisitions for the USS Peleliu internal and external material obligation validations, recouping in excess of 50.000 dollars in Operating Target (OPTAR) resources.
  • Processed more than 25 NORS/ANORS requisitions and expedited over 100 emergent requirements across 72 divisions, increasing mission readiness of all departments’ ship wide.

Education

Master of Science - Advanced Computing

National University
San Diego, CA
01.2017

AAS - Networking

California Institute of Arts & Technology
Mission Valley, Ca
01.2016

Bachelor of Science - Information System Security

American Military University
Charles Town, West Virginia
01.2014

Skills

  • Security Technical Implementation Guide (STIG) experience
  • Virtual host configuration
  • Windows-based systems management
  • Microsoft Windows Systems Update Service (WSUS)
  • Microsoft Group Policy Management Console (GPMC)
  • Windows Server Administration
  • Remote Desktop Software
  • Remote access configuration
  • Windows 10 administration
  • RedHat Linux 7 administration
  • Server 2012/2016 administration
  • HBSS compliance
  • ACAS compliance
  • Network security asset management
  • Ansible
  • Python
  • Bash
  • Application installation and configuration
  • Operating system software upgrades
  • Windows image deployment
  • Troubleshooting hardware issues
  • Network connectivity troubleshooting
  • Data migration
  • Vendor management
  • Hewlett Packard Service Manager (HPSM)
  • Imaging and re-imaging
  • Active Directory management
  • Updates installation
  • File backup and recovery
  • Motherboard branding
  • Printer/network copier support
  • Data analysis
  • Validation Testing
  • Debugging
  • Problem resolution
  • Risk management
  • Incident response
  • Security policy development
  • System availability assurance
  • Vulnerability analysis
  • Cybersecurity awareness

Security Clearance

Active TS/SCI

Certification

  • EC-Council Instructor, 2018
  • EC-Council Certified Ethical Hacker, 2017
  • CompTIA CASP+
  • CompTIA Security+ Certification, 2016
  • CompTIA Linux+ certification, 2019
  • CompTIA Network+ Certification, 2018
  • CompTIA A+ Certification, 2012
  • Microsoft 365 Certified: Modern Desktop Administrator Associate, 2019
  • Lean Six Sigma Green Belt Certification, 2014
  • Certified Information System Security Manager (CISM), 2024
  • Project Management Professional (PMP), 2022

Professional References

  • Michael Wasczcak, PhD, Manager H&R Block, 1084 Garnet Avenue, San Diego, CA, 92109, 980-8847698, wasczcak@tax.hrblock.com
  • Randy Martin, Online Program Manager, California Institute of Arts & Technology, 2820 Camino Del Rio S STE200, San Diego, CA, 92108, 702-750-8414, rmartin@ciat.edu
  • Noel Reid, Director, Youth of Vision Academy (YOVA), 954-802-6094, noelreid2001@yahoo.com

Professional Awards

Navy and Marine Corps Achievement Medal, 4

Affiliations

  • Volunteer Project Management Coach at Black Diamond Charities

References

References available upon request.

Timeline

Information System Security Manager(ISSM))

Command Navy Region Southwest (CNRSW)
05.2024 - Current

Information Technology Specialist (Sysadmin)

Department of the Navy (NBPL)
09.2021 - 05.2024

Systems Analyst II

KOAM Engineering Systems (KES)
02.2019 - 06.2019

Systems Administration

General Dynamics Information Technology (GDIT)
01.2019 - 09.2021

PC Technician

SRG Government Services
07.2018 - 02.2019

Field Services Technician

Marathon TS
11.2017 - 07.2018

Adjunct Instructor

The California Institute of Arts & Technology
06.2017 - Current

Records Management System (RMS) Supervisor

United States Navy
09.2015 - 08.2016

Logistics Specialist 2nd Class

United States Navy
09.2013 - 08.2016

Master of Science - Advanced Computing

National University

AAS - Networking

California Institute of Arts & Technology

Bachelor of Science - Information System Security

American Military University
Michael Ledgister