Top Secret Mission-Critical System Administrator (On-Site)

Aviation Systems Engineering Company; Ridgecrest (CA); On-site; USD 90,000 - 105,000; Full time

Benefits offered by this job

ESOP

Benefits package

401(k) with company match

Tuition assistance

Veteran-friendly

Job summary

ASEC is seeking a System Administrator to join a mission-driven DoD information systems team at NAWS China Lake, CA. You will maintain and support Navy training systems, ensuring RMF/ATO compliance and robust cybersecurity.

Ideal candidates have DoD experience, Top Secret eligibility, and proficiency with Windows/Linux, AD, DNS, and SBSS tooling. This on-site role offers a challenging environment with strong collaborative opportunities.

Qualifications

• Associate degree in Computer Science, Information Systems Management, Cybersecurity or related field; at least 1 year of system administrator experience.
• Without an associate 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 Active Directory domain controllers for authentication/authorization.
• Knowledge of log aggregation and analysis across multiple sources.
• Familiarity with Windows PowerShell is preferred.

Responsibilities

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

Skills

vCenter/VMware

Linux

Active Directory

DNS

PowerShell

HBSS

RMF/ATO

STIG

Education

Associate degree in Computer Science / Information Systems / Cybersecurity

Tools

ACAS

Evaluate STIG

DNS performance tools

Windows PowerShell

Job description

ASEC is seeking a System Administrator to join a mission-driven DoD information systems team at NAWS China Lake, CA. You will maintain and support Navy training systems, ensuring RMF/ATO compliance and robust cybersecurity.

Ideal candidates have DoD experience, Top Secret eligibility, and proficiency with Windows/Linux, AD, DNS, and SBSS tooling. This on-site role offers a challenging environment with strong collaborative opportunities.