Marc Applewhite

About Me
me@marcapplewhite.com
(202) 643-5439
My name is Marc Applewhite, and I am a cybersecurity-focused information technology professional with over twenty years of experience in various IT roles. Currently, I serve as a PC Technician II for Saint Mary’s County Government, where I manage network access permissions, troubleshoot hardware and software issues, and ensure the security of the county’s IT infrastructure. I am CompTIA Security+ certified and hold a Bachelor of Science in Computer Science from NYU’s Tandon School of Engineering.
Throughout my career, I have demonstrated a strong ability to address complex security challenges, including implementing multi-factor authentication for over 600 county network users, securing sensitive systems during the 2020 election, and enabling secure telework capabilities during the COVID-19 pandemic. My expertise in securing networks, managing user accounts, and maintaining the integrity of IT infrastructure has been key to my success in driving security initiatives.
In addition to my technical skills, I am known for my proactive problem-solving abilities, adaptability to emerging technologies, and clear communication skills, which allow me to break down complex concepts for a wide range of audiences. I am eager to apply my extensive IT background and cybersecurity expertise to contribute to the success of a forward-thinking organization.
Work Experience
12/2017 - Present
PC Technician II
Saint Mary's County Government - Leonardtown, MD
- Provided technical support to over 600 countywide end-users, managing network access, permissions, troubleshooting, and security breach monitoring to maintain system integrity.
- Installed, terminated, and tested network cables to support new network ports and system devices, ensuring seamless connectivity and minimal downtime.
- Detected, removed, and mitigated malware, ransomware, and other cybersecurity threats from laptops and desktops, safeguarding sensitive data and maintaining operational continuity.
- Conducted software patching and version upgrades to address vulnerabilities, enhance system security, and ensure compliance with organizational standards.
- Configured DHCP reservations and DNS records to support the integration and optimization of new and reconfigured network devices.
- Implemented multi-factor authentication for Azure Active Directory and WatchGuard VPN accounts, enhancing user access security and reducing unauthorized access risks
11/2008 - 12/2017
Information Technology Consultant
Marctagon WEB3 - Jersey City, NJ/Waldorf, MD
- Delivered comprehensive technical support for data management, including secure data backup, migration, and recovery, as well as malware and spyware removal, application troubleshooting, and operating system installations and reconfigurations.
- Administered and resolved issues in small business and home office networks, emphasizing network security, connectivity, and performance optimization.
- Advised clients on technology procurement and strategies to maximize system efficiency, ensuring alignment with cybersecurity best practices and business goals.
- Designed and conducted tailored technology training sessions, both group and one-on-one, to enhance end-user cybersecurity awareness and proficiency
2/2007 - 4/2008
Systems Administrator
Mitchell Madison Group - New York, NY
- Supervised 5-person helpdesk for a 150-person user community, delegated tasks based on employee expertise and workload and monitored task completion
- Configured and implemented daily server checks, tape backups, Group Policy and Windows updates and user accounts and permissions
- Assisted end users with troubleshooting hardware and software issues via phone, e-mail, chat and in-person
- Delegated tasks based on employee expertise and workload and monitored task completion
- Performed hardware inventory and maintenance tasks
1/2000 - 2/2007
Desktop Support Analyst
Random House Bertelsmann Shared Services - New York
- Managed RADIUS server permissions and SecurID tokens for VPN access and resolved connection issues
- Maintained information technology equipment and supplied dedicated full service support for 300 clients on a team wholly responsible for 2,400 clients
- Provided customer service to clients including documenting problems, assessing options and providing and documenting solutions
- Participated in department, division and company wide projects as a technical member and/or advisor
- Collaborated with Building Maintenace team to coordinate user equipment uninstallations, moves and reinstallations
Education
Bachelor of Science, Computer Science
NYU (Tandon School of Engineering) fka Polytechnic University - Brooklyn, New York
Security+
CompTIA
Certified in CyberSecurity
ISC(2)
me@marcapplewhite.com
Phone
(202) 643-5439
Waldorf, MD
Follow
http://linkedin.com/in/marcapplewhite
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