Senior DoD System Administrator | Top Secret, On-Site

Aviation Systems Engineering Company; Ridgecrest (CA); On-site; USD 135,000 - 155,000; Full time

Job summary

Aviation Systems Engineering Company is seeking a Senior System Administrator to secure, sustain, and optimize DoD environments at NAWS China Lake, CA. You will support mission-critical Navy training systems and drive cybersecurity-focused operations, ensuring robust performance and compliant security postures.

Responsibilities include RMF/ATO activities, vulnerability management, and integration of new software, with a strong emphasis on STIG alignment and DoD security standards.

Qualifications

• CompTIA Security+ is required.
• Bachelor's degree in IT, cybersecurity, CS or related field or 7 years of relevant experience.
• Certifications such as CCNP, CISSP, CASP+ are highly desired and please upload copies.

Responsibilities

• Plan, test, and implement system upgrades for performance and reliability.
• Support RMF and ATO activities, including vulnerability scanning and STIG compliance.
• Integrate new software into complex DoD environments.
• Apply and maintain security configurations per DISA STIGs.
• Identify and resolve system flaws and strengthen cybersecurity.
• Conduct vulnerability scans and assessments to safeguard systems.
• Troubleshoot software issues in integrated environments.
• Ensure compliance with DoD RMF, FISMA, NIST 800-53, and SRG requirements.

Skills

Windows administration

Linux administration

VMware vCenter

DNS management

Active Directory

PowerShell

Cybersecurity

RMF/ATO experience

Vulnerability scanning

Troubleshooting

Education

Bachelor's degree in Information Technology, Cybersecurity, Computer Science, or related area

7+ years of related system administration experience

Microsoft Certified Solutions Associate - Windows Server 2016 (or later)

Red Hat Certified System Administrator

VMware Certified Professional

Tools

vCenter/VMware

Windows OS

Linux

HBSS

AD domain controllers

Job description

Aviation Systems Engineering Company is seeking a Senior System Administrator to secure, sustain, and optimize DoD environments at NAWS China Lake, CA. You will support mission-critical Navy training systems and drive cybersecurity-focused operations, ensuring robust performance and compliant security postures.

Responsibilities include RMF/ATO activities, vulnerability management, and integration of new software, with a strong emphasis on STIG alignment and DoD security standards.