Cyber Threat Analyst with 15+ Years IT Security Experience

Denis Muñoz

Arlington, VA, *****

*****.******@*****.*** 202-***-****

LinkedIn: https://www.linkedin.com/in/denm107/

PROFESSIONAL SUMMARY

Highly skilled IT/OT Senior Systems Administrator with over 12 years of experience supporting mission-critical infrastructure across government and private sectors. Demonstrated excellence in cybersecurity, network security, and operational technology (OT), including SCADA and ICS systems. Proven success in risk management, DoD RMF compliance, and maintaining secure, air-gapped, and isolated networks for sensitive environments. Adept at aligning IT/OT strategies with mission assurance and resilience objectives, including system hardening, incident response, and continuity planning. Active Secret Clearance and deep hands-on knowledge of tools like Tenable Nessus, VMware, and Microsoft infrastructure.

EDUCATION

• Master of Science (MS) in Cybersecurity and Information Assurance Western Governors University – Salt Lake City, UT

Focus: OT security, digital forensics, and risk management in enterprise and critical infrastructure environments.

• Bachelor of Science (BS), Computer Systems Networking and Telecommunications Strayer University – Arlington, VA

Emphasis: Security frameworks, global infrastructure, and threat landscapes.

• Associate of Arts and Sciences (A.A.S.), Computer and Information Sciences Virginia Tech – Blacksburg, VA

Specialization: IT/OT systems integration, technical communication, and business applications. CERTIFICATIONS

• Active Secret Security Clearance

• CompTIA Security+ (CE) – Valid through October 2026

• CompTIA Server+

• Certified Ethical Hacker (CEH) – EC-Council

• MIT Professional Education – Cybersecurity: Technology, Application, and Policy

• Cisco Certified Entry Networking Technician (CCENT) CORE COMPETENCIES

• IT/OT Systems Integration SCADA/ICS Industrial Cybersecurity RMF & NIST 800-53 Compliance

• Risk Management Mission Assurance Critical Infrastructure Protection Incident Response

• Microsoft Server VMware vSphere Linux/Unix Tenable Nessus TCP/IP SCCM WSUS

• STIG/SCAP Implementation Active Directory Event Monitoring Cyber Hygiene MDM (Jamf) PROFESSIONAL EXPERIENCE

Senior Systems Administrator

LyteForge Corporation LLC – McLean, VA. 6/2025 – Present

• Administer Microsoft 365 (Entra ID, Intune, Teams, Exchange): user provisioning, license management, compliance, and GPO synchronization.

• Manage JAMF and Apple Business Manager for secure deployment and lifecycle management of macOS/iOS devices.

• Installed and configured server rack hardware, including UPS with batteries, RAID controllers, iDRAC, NICs, and firmware upgrades.

• Deployed Ubuntu on 44 servers, ensuring BIOS, drivers, and hardware readiness for Kubernetes clusters.

• Automated user onboarding/offboarding in Microsoft 365 and JAMF with PowerShell and Bash scripting.

• Designed and enforced backup, disaster recovery, and business continuity plans.

• Provided training sessions for end-users (e.g., Vibe Whiteboard for collaboration) and troubleshooting escalated issues.

• Implemented security hardening, vulnerability assessments, and multi-factor authentication across Microsoft and Apple ecosystems.

Denis Muñoz

Arlington, VA, 22204

*****.******@*****.*** 202-***-****

LinkedIn: https://www.linkedin.com/in/denm107/

• Mentor and provide escalation support for IT staff; serve as senior escalation point for infrastructure and end-user device troubleshooting.

System Administrator II

AKIMA – Washington, D.C. 03/2024 – 12/2024

• Maintained and secured SCADA air-gapped networks to support uninterrupted OT operations.

• Delivered Control Systems IT support across facilities, systems, and personnel in critical environments.

• Scripted application packaging and updates via SCCM, while managing patch compliance via WSUS.

• Monitored OT/IT infrastructure using ManageEngine and WhatsUp Gold for early threat detection. System Administrator

Prime Technical Services – Washington, D.C. 09/2022 – 03/2024

• Supported IT systems lifecycle management across federal infrastructure upgrades.

• Applied best practices in Hyper-V and DFS to streamline redundancy and availability.

• Participated in planning secure migration strategies for Active Directory environments. System Engineer

MicroAutomation – Centreville, VA 09/2020 – 09/2022

• Engineered and deployed Next Generation 911 (NG911) communication systems with redundant routing.

• Utilized Tenable Nessus and SCAP tools to ensure DoD-compliant vulnerability assessments.

• Configured resilient Windows/Linux hybrid systems in emergency response centers. IT Network Security Administrator

Human Rights Campaign – Washington, D.C. 07/2012 – 04/2020

• Spearheaded MDM deployment with Jamf to protect Apple-based OT assets.

• Developed business continuity and recovery plans for sensitive donor and HR systems.

• Led team security trainings and enforced organization-wide cybersecurity hygiene. IT Systems Administrator

U.S. House of Representatives – Washington, D.C. 04/2008 – 03/2011

• Delivered frontline support for legislative systems and high-profile communications.

• Managed IT logistics for classified and public-facing events, maintaining operational integrity. KEY ACHIEVEMENTS

• Directed implementation of risk management and mission assurance frameworks in SCIF-based OT/ICS networks.

• Led integration of SCADA and IT systems in secure, air-gapped environments, enabling compliance with national critical infrastructure standards.

• Orchestrated secure deployment of NG911 across jurisdictions, improving emergency response capabilities.

• Proactively aligned enterprise cybersecurity efforts with OT operational resilience and threat mitigation goals.

INTERESTS

Mission-driven technology innovation, OT resilience, ICS/SCADA security advancements, and securing the digital battlefield of critical infrastructure.

Contact this candidate