System Administrator

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

Benefits offered by this job

ESOP

Comprehensive benefits

401(k) match

Tuition assistance

Veteran-friendly

Culture

Job summary

ASEC is seeking a System Administrator to support DoD information systems at NAWS China Lake, CA. The role requires an active DoD Top Secret clearance and will be performed on site.

You will maintain and upgrade DoD systems, manage RMF/ATO activities, and ensure STIG compliance while collaborating with teams to strengthen cybersecurity. Qualifications include an associate degree or 3+ years of related experience; Linux, AD, PowerShell, and VMware HBSS experience are preferred.

Qualifications

• Associate degree in Computer Science, Information Systems Management, Cybersecurity, or related; or 1+ year experience as system administrator.
• Without an associate's degree, at least 3 years of related system administration experience.

Responsibilities

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

Skills

Linux

AD domain controller management

PowerShell

DNS management

VCenter/VMware

HBSS

RMF/ACAS/STIG

Security incident analysis

Communication

Education

Associate's degree in Computer Science or related

3+ years related system administration experience (no degree requirement)

Tools

ACAS

Evaluate STIG

Job description

Description

Location: NAWS China Lake, CA

Security Clearance Requirement: Active Top Secret

Telework Eligible? No, work will be performed on site at NAWS China Lake

Support mission-critical Navy training systems at NAWS China Lake, CA!

As a System Administrator, you’ll be part of a team that helps maintain and support DoD information systems that enable Navy training and mission readiness. This is an excellent opportunity to build your technical skills while gaining hands‑on experience in a secure, mission‑driven environment.

Key Responsibilities:

• Plan, test, and implement system upgrades to ensure optimal 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 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.

Requirements

What You’ll Bring:

• You have an associate's degree in Computer Science, Information Systems Management, Cybersecurity, or a related area of study and at least one year of experience as a system administrator.
• Without an associate's degree, candidates must have 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 Host Based Security Systems (HBSS) is preferred.
• Demonstrated experience managing Domain Name System (DNS) performance and reliability.
• Proven experience implementing and maintaining local and group policies.
• Hands‑on experience with Microsoft Active Directory (AD) domain controller servers for managing authentication, authorization, and network resources.
• Knowledge of log aggregation and analysis across multiple sources.
• Familiarity with Windows PowerShell is preferred.

IT Certification Requirements:

• CompTIA Security+ certification is required.
• Operating system certification (e.g., Linux) is preferred.
• Please upload copies of your relevant certifications.

Equally Important:

• Ability to build positive, collaborative relationships across teams and with external partners.
• Effective communicator with strong verbal and written skills.
• Proactive, self-directed work style with the ability to operate independently.
• Analytical thinker with proven problem‑solving capabilities.
• Highly organized, with the ability to balance competing priorities in a fast‑paced environment.

ASEC is committed to providing access and reasonable accommodation in its services, activities, programs, and employment opportunities in accordance with the Americans with Disabilities Act and other applicable laws.

Security Clearance Requirement:

• This position requires U.S. citizenship and an active DoD Top Secret clearance. Selected candidate will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Salary Range:

• The anticipated annual salary range for this position is $90,000 - $105,000 annually, commensurate with an individual’s experience, qualifications, and skill set. ASEC is committed to providing fair and equitable compensation. The low end of this salary range is accounting for a candidate that meets or exceeds all of the listed requirements.

Who We Are:

ASEC offers meaningful, mission-driven work within a culture that supports your professional and personal growth. We partner with our government customers to deliver innovative solutions across engineering, information technology, training, and logistics. Above all, we are committed to doing what’s right for the Warfighter—plain and simple. Explore what makes ASEC different by visiting our website.

Why work at ASEC?

• 100% employee-owned company. Learn more about our Employee Stock Ownership Plan (ESOP) here!
• Comprehensive benefits package, including 11 paid holidays, medical/dental/vision coverage, HSA/FSA options, disability insurance, and more!
• 401(k) with company match
• Tuition assistance for undergraduate and graduate education
• Veteran-friendly employer
• Thriving employee culture

ASEC is an Equal Opportunity Employer. We recruit, hire, train, compensate, and promote employees based on qualifications, merit, and business needs, without regard to race, color, religion, sex, national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information, pregnancy or related conditions (including breastfeeding), or any other status protected by law.

ASEC also complies with all applicable pay transparency laws and will not discriminate against employees or applicants for inquiring about, discussing, or disclosing compensation.