Ryan Dertina
Aurora,Colorado
Summary
Accomplished Senior Information Systems Security Manager with a Bachelor's Degree in Information Technology and an Associate of Applied Science in Computer Network Technology. Holds an active Top-Secret Clearance with SCI and possesses certificates from ISACA CISM, ITIL v3 Foundations, CompTIA Security+, CompTIA A+, Computer Network, and Computer Technician disciplines. Demonstrates extensive expertise in Risk Management Framework (RMF) methodologies, including various NIST Cybersecurity frameworks, CMMC, and NIST 800-171. Proven track record of developing comprehensive RMF packages and Plans of Action and Milestones (POAM) using eMASS. Proficient in executing ACAS and Nessus vulnerability scans and conducting rigorous system audits to ensure compliance with stringent security standards. A strategic leader experienced in directing large, high-performing teams, enforcing standardized procedures, and optimizing cybersecurity operations through innovative process development and insightful data trend analysis. Renowned for delivering precise, actionable reports and fostering collaborative partnerships to fortify organizational security postures and mitigate enterprise risks.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Senior Information System Security Manager (ISSM)
York Space Systems
03.2023 - Current
- Manage a large team of Information Assurance IA professionals.
- Facilitate and manage Government Risk and Compliance (GRC) for multiple Space and ground systems.
- Manage system accreditation packages within the Enterprise Mission Assurance Support Services (eMASS).
- Develop System Security Plans (SSP) and perform required reviews to ensure compliance.
- Develop and deploy system continuous monitoring using Jira.
- Develop training material to meet DoD government requirements.
- Perform configuration management for security relevant software, hardware, and firmware.
- Write and maintain security policies and procedures.
- Works closely with Facility Security Officer to provide support where needed.
- Conduct technical reviews and presided over configuration control boards (CCB).
- Validates system security controls to obtain Authority to Operate (ATO).
- Reviews and deploys contractual requirements identified within SOWs.
Classified Cyber Security Sr
Lockheed Martin Space
06.2020 - 03.2023
- Performed technical administration of information systems in accordance with the Risk Management Framework (RMF) per the NIST 800-53.
- Managed and maintained information systems artifacts documentation within eMASS.
- Performed continuous monitoring and created Plan of Action and Milestones (POAMs) to meet system requirements.
- Performed vulnerability scanning using Nessus/Tenable.
- Oversaw day-to-day information system security operations including auditing, hardware and software implementations.
- Created and reviewed RMF package authorizations within eMASS.
- Participated in internal/external security audits/inspections; performed risk assessments.
- Assisted in conducting investigations of computer security violations and incidents, reporting as necessary.
- Communicated, implemented and managed formal Information Security Policies / Information Systems Security Program together with ISSM and CPSO.
Cyber Security and System Administrator
Oakman Aerospace
06.2019 - 06.2020
- Implemented and deployed RMF frameworks to maintain customer security compliance.
- Managed and maintained several LANS including corporate network.
- Planned, designed, and procured servers, SANs, NAS, firewalls, and network infrastructure.
- Audited to validate security compliance and configurations.
- Diagnosed end user issues.
- Designed and documented operating procedures.
Data Center Engineer II
Validatek, Department of State
01.2014 - 05.2019
- Monitored Remedy ticket queue and assign tickets according to SOPs.
- Resolved technical problems and created restoration plans.
- Installed, repaired, modified and diagnosed issues related to equipment performance.
- Maintained data center assets using Nyle Software.
- Ensured data center technology and systems are operating within standards.
- Used industry standard DCIM tools.
- Monitored system applications using, NetIQ, AppManager Suite, SolarWinds.
- Provided systems availability, diagnostic, monitoring and reporting.
- Performed incident capture, verification, diagnostics and escalations.
Military Police Officer, Sergeant
United States Army
09.2007 - 09.2015
Education
Bachelor of Science - Information Technology
Colorado State University – Global Campus
01.2018
Associates of Applied Science - Computer Network Technology
Arapahoe Community College
01.2014
Skills
- Nessus/Tenable
- Splunk
- Security Content Automation Protocol (SCAP)
- Security Technical Implementation Guide (STIG)
- Nlyte
- Windows Server
- Windows 10/11
- RedHat
- Manage Engine
- Report writing
- Incident reports
- Safety and security procedures
Certification
- ISACA CISM,
- ITIL V3 foundations
- CompTIA Security +
- A+ Certification
Timeline
Senior Information System Security Manager (ISSM)
York Space Systems
03.2023 - Current
Classified Cyber Security Sr
Lockheed Martin Space
06.2020 - 03.2023
Cyber Security and System Administrator
Oakman Aerospace
06.2019 - 06.2020
Data Center Engineer II
Validatek, Department of State
01.2014 - 05.2019
Military Police Officer, Sergeant
United States Army
09.2007 - 09.2015
Bachelor of Science - Information Technology
Colorado State University – Global Campus
Associates of Applied Science - Computer Network Technology
Arapahoe Community College
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