Jordyn Lumpkin
Aurora,CO
Summary
System Administrator with experience supporting mission-critical environments through Linux administration, account management, and technical troubleshooting. Skilled in Active Directory, Red Hat Linux, Microsoft 365, and incident resolution across servers, storage, network connectivity, and end-user systems. Security+ certified professional committed to operational excellence, continuous learning, and delivering reliable IT services.
Overview
7
7
years of professional experience
1
1
Certification
Work History
System Administrator
CACI
Aurora, CO
04.2025 - Current
- Provide technical support in a fast-paced mission environment, prioritizing incidents based on operational impact and urgency.
- Perform routine system health checks and monitoring activities to proactively identify and mitigate potential issues before service degradation occurs.
- Administer Linux-based systems in a high-availability environment, utilizing command-line tools to perform account management, system maintenance, and operational support tasks.
Integrated Service Center
CACI
Aurora, CO
03.2022 - 04.2022
- Provided Tier 1 and Tier 2 support for account access, authentication, permissions, and infrastructure-related incidents in a mission-critical environment.
- Created and maintained training materials, knowledge base articles, and standard operating procedures to improve team efficiency and support employee onboarding.
- Diagnosed and resolved technical issues involving end-user systems, servers, storage platforms, and network connectivity, restoring services and minimizing operational disruptions.
Custodian
Fluor
Aurora, CO
04.2019 - 03.2022
- Maintain a high level of cleanliness in restrooms and in assigned areas.
- Continuously check on supply of product and restock when needed.
- Provided monthly checks on rooms in the assigned area(s), and cleaned where it was needed, to ensure a sanitary and neat work environment.
- Performed tasks when needed to help coworkers complete other tasks.
Education
High School -
Eaglecrest High School
Aurora, CO05-2018
Skills
- Account Management
- Active Directory
- Attention to detail
- Communicative
- Configuration Management
- Collaborative
- Customer Service
- Leadership
- Microsoft Office
- Powershell
- Problem-Solving
- Quick Adaptability
- Redhat Linux
- Team Building
- Training
- Triaging
Certification
Sec+
Timeline
System Administrator
CACI
04.2025 - Current
Integrated Service Center
CACI
03.2022 - 04.2022
Custodian
Fluor
04.2019 - 03.2022
High School -
Eaglecrest High School