System Administrator – DoD RMF & Top Secret Clearance

ASEC, Inc; Ridgecrest (CA); On-site; USD 90,000 - 105,000; Full time

Benefits offered by this job

Employee ownership (ESOP)

401(k) with company match

Tuition assistance

Veteran-friendly employer

Job summary

ASEC, Inc. is seeking a System Administrator to join a mission-driven DoD team at NAWS China Lake, CA. This on-site role supports Navy training systems and DoD information systems, offering hands-on technical growth in a secure environment.

You will work with RMF/ATO processes, security configurations, and vulnerability management while advancing your skills in a highly structured, collaborative setting.

Qualifications

• Associate's degree in CS/IS/Cybersecurity or related field with at least 1 year of system administrator experience.
• Without an associate's degree, at least 3 years of related system administration experience.
• Working knowledge of vCenter/VMware is preferred.
• Proficiency with Linux operating systems is preferred.
• Experience managing DoD HBSS is preferred.
• Experience managing DNS performance and reliability.
• Proven experience implementing and maintaining local and group policies.
• Hands-on experience with Microsoft Active Directory domain controllers for authentication and resources.
• Knowledge of log aggregation and analysis across multiple sources.
• Familiarity with Windows PowerShell is preferred.

Responsibilities

• Plan, test, and implement system upgrades to ensure optimal performance and reliability.
• Support RMF and ATO activities, including vulnerability scanning and development of accreditation artifacts.
• Integrate new software applications within complex, mission-critical environments.
• Apply and maintain operating system security configurations in alignment with DISA STIG requirements.
• Identify and resolve system flaws, implementing technical controls to strengthen cybersecurity.
• Conduct vulnerability scans and assessments to safeguard systems from potential threats.
• Troubleshoot and resolve software issues within integrated environments to maintain seamless operations.
• Ensure compliance with DoD RMF, FISMA, NIST 800-53, and DoD SRG requirements.

Skills

System administration

RMF / ATO support

Troubleshooting

Communication

Team collaboration

Education

Associate's degree in Computer Science / related field

Tools

vCenter/VMware

Linux

HBSS

DNS

Active Directory

PowerShell

Log analysis

Job description

ASEC, Inc. is seeking a System Administrator to join a mission-driven DoD team at NAWS China Lake, CA. This on-site role supports Navy training systems and DoD information systems, offering hands-on technical growth in a secure environment.

You will work with RMF/ATO processes, security configurations, and vulnerability management while advancing your skills in a highly structured, collaborative setting.