Daniel Gallegos
Imperial Beach
Summary
Highly skilled Network and Systems Administrator with over 8 years of experience in managing complex IT infrastructures. Possess an active Top Secret clearance with TS/SCI eligibility and certifications, including Linux Essentials and Security+ CE. Expertise in designing, configuring, and troubleshooting network systems, including HAIPE equipment, network protocols, and DoD-compliant systems. Demonstrated success in delivering technical solutions, improving system reliability, and optimizing network performance in high-stakes environments. Strong technical writing, documentation, and leadership skills, excelling in both team-based and independent roles. Highly skilled in managing network and computer systems, with proven background in troubleshooting, software installation, and maintaining IT infrastructure. Known for strong problem-solving capabilities and ability to optimize system performance for enhanced operational efficiency. Demonstrated success in implementing security measures to protect data and network access. Made significant improvements in system reliability and user satisfaction through strategic planning and effective communication.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Linux Administrator - BAE Systems
CTC, INC
San Diego
02.2025 - Current
- Managed user accounts on Red Hat Enterprise Linux servers and desktop systems, including new account creation.
- Implemented automation systems using scripting languages, including Python, YAML, and Bash.
- Developed CI and CD pipelines for deploying RPMs to managed development environments.
- Maintained version control systems such as GitLab for software development projects.
- Created automated deployment processes and scripts for seamless transitions from development to production.
- Oversaw server management across multiple platforms, ensuring optimal availability and performance.
System Administrator
US NAVY
San Diego
08.2016 - Current
- Designed and maintained complex network infrastructure with Cisco routers, switches, Nutanix hardware, and HAIPE equipment.
- Administered NIPR, SIPR, and CTRX enclaves to ensure uninterrupted service and operational compliance.
- Managed 42 Windows and RHEL Linux servers through installation, configuration, patching, and performance tuning.
- Maintained user accounts through Active Directory to ensure 98% seamless network connectivity.
- Employed advanced network testing tools to troubleshoot and optimize network performance.
- Delivered comprehensive technical documentation to senior leadership for informed decision-making.
Education
Bachelor of Science - Information Technology
WGU
Salt Lake City, UT02-2025
Skills
- IP subnetting and VLANs
- Automation and scripting
- Written and verbal communication
- Network infrastructure management
- Linux administration
- Active Directory management
- Virtualization technologies
Certification
- CompTIA A+
- CompTIA Network+
- CompTIA Security+
- ITIL V4 Foundation
- LPI Linux Essentials
- AWS Certified Cloud Practitioner
Languages
English
Native/ Bilingual
Spanish
Native/ Bilingual
References
References available upon request.
Timeline
Linux Administrator - BAE Systems
CTC, INC
02.2025 - Current
System Administrator
US NAVY
08.2016 - Current
Bachelor of Science - Information Technology
WGU