CRISTIAN MARTINEZ
CLEARFIELD
Summary
Cybersecurity professional with over 8 years of experience supporting DoD weapon system and enterprise environments through Risk Management Framework (RMF), Assessment & Authorization (A&A), and continuous monitoring activities. Proven ability to perform vulnerability assessments, compliance audits, and security control evaluations to identify configuration deviations and mitigate risk. Experienced in developing authorization documentation, managing POA&Ms, and supporting certification and accreditation efforts in accordance with NIST SP 800-53, CNSSI 1253, and DoD RMF guidance. Strong collaborator with program leadership, engineers, and mission stakeholders to deliver secure, mission-ready systems within defined risk tolerance.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Security Control Assessor Representative (SCAR), NH-03
Hill AFB, UT
Hill AFB, UT
01.2023 - Current
- Supported RMF Assess and Authorize activities for 37+ DoD information systems, validating technical, management, and operational controls against NIST 800-53 and DoD RMF requirements. Coordinated RMF activities across ISSMs, system owners, engineers, and program managers to ensure accurate risk identification, documentation, and mitigation. Reviewed and assessed RMF artifacts including SSPs, POA&Ms, risk assessments, architecture diagrams, hardware/software inventories, and continuous monitoring evidence. Conducted security impact analyses and continuous monitoring for cloud, on-premises, and operational technology systems across enterprise environments. Utilized eMASS to track RMF package status, document control compliance, manage POA&Ms, and support AO decision-making. Developed SOPs, RMF templates, and validation checklists that streamlined ATO processing for 37 information systems and improved assessment consistency. Briefed assessment results and risk posture to senior leadership and Authorizing Officials, enabling informed, risk-based ATO decisions.
Information System Security Manager (ISSM) – Contractor
Hill AFB, UT
Hill AFB, UT
06.2019 - 12.2022
- Served as Information System Security Manager (ISSM), mentoring five junior ISSOs and leading RMF Authorization and Accreditation activities for a virtual cloud environment. Compiled and reviewed RMF packages, enforced cybersecurity policies and controls, and enabled secure mission operations for multiple industry partners across VPC workloads. Verified user clearances, training compliance, and need-to-know prior to system access. Coordinated system changes with system PM and SCA and developed Security Impact Assessments for non-baseline software affecting cloud environments.
Network Installer / Field Service Engineer / Windows Systems Administrator
Hill AFB, UT
Hill AFB, UT
12.2017 - 06.2019
- Installed and maintained network and communications infrastructure at customer sites, providing on-site hardware installation, repair, and IT support under long-term maintenance contracts. Responded to short-notice service requests, including weekends and overtime, and maintained accurate maintenance records and operational documentation.
Junior System Administrator
Hill AFB, UT
Hill AFB, UT
11.2016 - 12.2017
- Designed, implemented, and maintained system architectures while administering servers and workstations, including account management, performance tuning, documentation, and software installation. Conducted capacity and performance analysis, recommended configuration changes and upgrades, and leveraged automation and scripting to improve efficiency. Collaborated with internal teams, external partners, and vendors to resolve complex issues, support advanced technologies, and meet user requirements. Performed system requirements and business process analysis, enforced security policies through access and permission controls, and monitored application health through event triage and escalation. Provided technical support, training, and documentation to ensure reliable system operations.
Education
Master of Science - Information Technology
American Military University
01.2024
Bachelor of Science - IT Management
American Military University
01.2016
Skills
- RMF
- NIST SP 800-53
- CNSSI 1253
- DoD RMF Knowledge Service
- EMASS
- ACAS/Nessus
- DISA STIGs
- SCAP
- POA&M Management
- Continuous Monitoring
- Vulnerability Remediation
- Configuration Management
- Audit Review
- SSP Development
- Security Documentation
- SIEM
- Splunk
- Cloud Security
- JSIG
- NISPOM
- Change Control
- Risk Analysis
- Cyber Assessments
Certification
- Certified Information Security Manager (CISM) — DoD 8570 IAM Level III
- Certified Cloud Security Professional (CCSP)
- CompTIA CySA+
- Security+
- Network+
- A+
- DAU Acquisition Professional Development Program (APDP)
Timeline
Security Control Assessor Representative (SCAR), NH-03
Hill AFB, UT
01.2023 - Current
Information System Security Manager (ISSM) – Contractor
Hill AFB, UT
06.2019 - 12.2022
Network Installer / Field Service Engineer / Windows Systems Administrator
Hill AFB, UT
12.2017 - 06.2019
Junior System Administrator
Hill AFB, UT
11.2016 - 12.2017
Bachelor of Science - IT Management
American Military University
Master of Science - Information Technology
American Military University
CLEARANCE
Active Top Secret (SCI eligible)