Open to opportunities

Mason Ratcliff

@masonratcliff

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Results-oriented security analyst specializing in threat detection and vulnerability management.

United States

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What I'm looking for

I seek a security role where I can lead threat detection and remediation efforts, improve endpoint compliance automation, and work within a team aligned to DoD/NIST standards while growing into expanded incident response responsibilities.

I am a results-oriented Security Analyst with over eight years of hands-on experience in security monitoring, threat analysis, incident response, and vulnerability management. I have implemented MFA at scale, automated endpoint compliance with Tanium, and managed SIEM operations using BitDefender GravityZone to detect and remediate threats before escalation.

My background includes coordinating secure destruction and chain-of-custody for classified media with zero audit findings, conducting security audits across distributed sites, and enforcing regulatory controls such as DoD STIG and NIST 800-53. I hold CompTIA Security+ CE, maintain an active Secret clearance, and bring practical skills in Azure AD, PowerShell automation, ServiceNow, and endpoint management to strengthen organizational security posture.

Experience

Work history, roles, and key accomplishments

Help Desk Technician

Tenax Technologies

Dec 2022 - Feb 2024 (1 year 2 months)

Managed imaging and deployment of Dell desktops/laptops and coordinated secure destruction and chain-of-custody for classified media with zero audit findings; provided remote user support and asset management via Tanium.

Tanium Asset Management Classified Media Handling Remote Support Chain Of Custody Troubleshooting ITIL

Help Desk Technician

Archdiocese of Baltimore

Oct 2020 - Feb 2022 (1 year 4 months)

Implemented MFA for 1,500+ accounts reducing compromises by 40%, monitored BitDefender GravityZone SIEM and remediated threats, deployed security audit hardware to 150+ sites and enforced VPN/GPO policies for endpoint hardening.

SIEM VPN Group Policy Security Auditing

Help Desk Technician

Baltimore City Public Schools

Jan 2019 - Dec 2019 (11 months)

Escalated security incidents and documented playbooks to improve response; monitored network outages via SolarWinds and coordinated with field teams to restore service efficiently.