Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Keith Dickerson

California City,CA

Summary

Experienced System Administrator with a strong background in cybersecurity compliance, network troubleshooting, and cross-platform support. Managed 300+ devices, maintained STIG/SCAP compliance, and reduced downtime in demanding environments.

Overview

1
1
Certification
7
7
years of professional experience

Work History

System Administrator III

JT4 LLC
Edwards AFB , California
11.2024 - Current
  • Managed 300+ multi-OS computing devices, minimizing downtime for military personnel and enterprise staff.
  • Specialized in STIG and SCAP compliance, enhancing security in high-stakes environments.
  • Oversaw hardware lifecycle management, enhancing resource allocation and maintaining operational readiness.
  • Provided cross-platform technical support for Windows and macOS, showcasing adaptability and technical expertise.

Information Technology Specialist

United States Army National Guard
Los Angeles, California
06.2019 - Current
  • Installed, configured, and maintained LAN and WAN systems to ensure reliable connectivity in tactical and garrison environments, facilitating uninterrupted operations.
  • Resolved tier 1–3 support tickets, achieving high first-call resolution rate for over 150 active users, enhancing user satisfaction and operational efficiency.
  • Enforced DoD information assurance policies by managing user access and maintaining data security protocols for classified systems, safeguarding sensitive information.

System Administrator II

IntegrITs Corporation
Edwards, California
12.2020 - 10.2024
  • Managed systems support, ensuring reliable data backup, restoration, and effective troubleshooting of operating systems.
  • Secured applications by implementing patches and solutions to address vulnerabilities.
  • Addressed user support tickets by diagnosing issues and providing solutions. for customers and staff employees
  • Troubleshot application errors, delivering technical support to end-users and enhancing overall satisfaction.

System Administrator II

Leidos
Edwards, California
06.2020 - 12.2020
  • Resolved nine months of help desk tickets within first 30 days of hire, enhancing support responsiveness
  • Managed permissions for incoming and departing medical staff, ensuring access aligned with roles and security protocols
  • Supported testing and implementation of new CHCS/AHLTA system enhancements, contributing to successful deployment

Education

Some College (No Degree) -

Arizona State University
Tempe, AZ
10-2026

Skills

  • Network troubleshooting
  • System administration
  • Cybersecurity compliance
  • Technical support
  • Windows administration
  • MacOS support

Certification

  • CompTIA Security+

Timeline

System Administrator III

JT4 LLC
11.2024 - Current

System Administrator II

IntegrITs Corporation
12.2020 - 10.2024

System Administrator II

Leidos
06.2020 - 12.2020

Information Technology Specialist

United States Army National Guard
06.2019 - Current

Some College (No Degree) -

Arizona State University
Keith Dickerson