IT Help Desk & Cybersecurity Professional with Clearance

MARK BROWN

IT AND CYBERSECURITY PROFESSIONAL U.S. NAVY VETERAN ACTIVE TOP SECRET-SCI CLEARANCE

Severn, MD 619-***-**** *************@*****.*** www.linkedin.com/in/markgregbrown

PROFESSIONAL SUMMARY

Help Desk professional and U.S. Navy veteran with experience supporting users and secure operations. CompTIA Security+, Network+, CySA+, and A+ certified. Hands-on experience troubleshooting Windows systems, end-user devices, and enterprise applications. Skilled in desk-side support, incident documentation, user assistance, and maintaining secure system operations. Proven ability to deliver responsive technical support in high-visibility environments.

CERTIFICATIONS AND SKILLS

Technical Support: Help Desk Support Desktop Support End-User Support Tier 1/2 Support Technical Troubleshooting Incident Resolution Customer Assistance

Systems & Devices: Windows 10/11 Active Directory (user accounts) Laptop/Desktop Setup Device Imaging Concepts Hardware Installation Peripheral Support Printer Support

Enterprise Tools: Ticketing Systems IT Service Management (ITSM) Microsoft Office 365 Microsoft Teams Exchange Documentation Incident Escalation

Networking & Security: TCP/IP DNS DHCP LAN/WAN Fundamentals VPN Connectivity Security+ Principles Access Controls Asset Management

EDUCATION

Cyber Warrior Program – MyComputerCareer September 2025 – November 2025

Configured and secured systems applying network security and incident response principles in lab environments

Performed vulnerability analysis, threat detection, and system monitoring aligned with CompTIA Security+ & CySA+

Deployed servers, configured network devices, and implemented access controls for secure infrastructure

Master of Science, Health Administration – Trident University International September 2016 – July 2018

Bachelor of Science, Health Administration – Trident University International October 2010 – December 2011

EXPERIENCE

HOME HEALTH AIDE – Self-Employed Services, Severn, MD August 2022 – Current

Assisted users with device setup, basic troubleshooting, and software functionality

Maintained electronic documentation ensuring secure access and data integrity

Supported operational continuity by resolving device and application issues

REGIONAL OFFICER RECRUITER – United States Navy, Philadelphia, PA March 2019 – July 2022

Provided technical support for user accounts and enterprise systems within secure networks

Troubleshot application and connectivity issues, escalating incidents as needed

Guided personnel on system navigation and procedures, enhancing end-user experience

HOSPITAL CORPSMAN / SENIOR LEADER – United States Navy, Various Locations July 1998 – February 2019

Supported technology-enabled operational systems ensuring availability and secure information handling

Managed equipment accountability and lifecycle tracking aligned with enterprise asset management practices

Enforced compliance procedures and assisted users with technical protocols

PROJECTS

Enterprise Network Configuration and Administration: Configured enterprise servers, routers, and switches applying TCP/IP, OSI model, and network security principles.

Data Center Hardware Deployment and Cabling: Performed rack deployment, structured cabling, and installation of Dell and HP server hardware in a simulated data center environment.

System Security Monitoring and Access Control Implementation: Monitored system health and implemented access controls and security protocols supporting secure IT operations.

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