Senior IT Security & Systems Administrator
Resume:
SAM M. QUARANTA
Email: **********@*********.***
Active TS/SCI
Compliant (Security+ CE)
PROFESSIONAL SUMMARY
The King of patching. Security focused System Administrator/Systems Analyst with 22 years of extensive experience supporting DoD and DHS environments, specializing in vulnerability management, STIG hardening, incident response support, and secure system operations. Hands on with ACAS/Nessus, Splunk, SCCM/MECM, Ivanti, VMware, and PowerShell. Proven ability to operate in classified environments, maintain compliance with DoD security standards, and support mission critical systems. Pursuing CYSA+ to expand into SOC and defensive cyber operations roles.
CORE COMPETENCIES:
Vulnerability Management (ACAS/Nessus)
COMSEC
Change Management
Service Desk (Customer service)
Hardware and software installation, configuration, and troubleshooting
Desktop support (Thin client too)
STIG Hardening & DoD Compliance
Incident Response Support & Triage
Patch Management (Ivanti)
Windows/Linux Administration
Active Directory Security ( Account management)
Group Policy
PowerShell Automation Scripts
Virtualization (VMware)
Network Services (DNS, DHCP)
Remedy Ticketing
Professional Experience
Raytheon/CISA
Sr Data Analyst/Help Desk Technician
Corry Station, Pensacola, FL
04/2022 – 04/2025
Helped keep PC(s) working for users when upgrading workstations.
Troubleshoot PC software and hardware for customers.
Supported secure DHS workstation environments, resolving authentication, access, and configuration issues.
Identified and escalated potential security incidents to SOC teams.
Performed endpoint hardening and compliance checks.
Documented incidents in Remedy with detailed technical notes for Tier II/Tier III escalation.
Northrop Grumman/ DISA
System Administrator/Principal Engineer
Naval Air Station, Pensacola, FL
04/2013 – 07/2021
Updated all the BIOS versions and upgraded all the PC(s) to Windows 10 on three networks in three sites and kept PC(s) running.
Used Ghost and Acronis to image PC(s) from a baseline.
Administered system patches, updates, and security fixes for servers and workstations across multiple networks and cities.
Provided Tier 2/Tier 3 support for IT staff and end-users, resolving complex software and hardware issues.
Managed SCCM for large-scale software deployment and system updates.
Implemented Nessus Tenable for vulnerability scanning and remediation.
Improved software deployment efficiency, reducing update times from two weeks to one hour.
Oklahoma State University
Senior IT Manager/Senior System Administrator
Field Office at Eglin Air Force Base, FL
09/1998 – 09/2012
Research, purchased, configure and maintained 2 computers for (each) 50 users.
Configured workstations to run either classified or unclassified.
Spearheaded the setup of the first classified network, including secure servers and backup systems, and two computers for 50 users.
Managed TACLANE encryption devices for secure communications.
Provided annual computer replacement and maintenance for all users.
Led the establishment of classified email systems and server backup solutions.
Tybrin Corporation
System Administrator
Eglin Air Force Base, FL
04/1998 – 09/1998
Managed a computer-based voice answering service for AMRAAM missile systems.
Administered ADPE checkout services for field personnel.
Troubleshot customer service issues related to software and hardware.
Configures workstations to run as unclassified/classified
Education
B.S. System Science — University of West Florida
A.S. Computer Science — Pensacola Junior College
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