System Administrator

Aviation Systems Engineering Company; Fallon Station (NV); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

ESOP

Comprehensive benefits package

401(k) with company match

Tuition assistance

Veteran-friendly employer

Thriving employee culture

Job summary

ASEC is seeking a Junior System Administrator to support DoD information systems at NAS Fallon, NV. On-site role requiring TS clearance and a strong foundation in system administration, RMF/ATO processes, and security hardening.

You'll upgrade and test systems, manage AD and DNS, perform vulnerability scans, and implement DISA STIG-compliant configurations in support of Navy training and mission readiness. This position offers hands-on experience in a secure, mission-driven environment.

Qualifications

• Associate degree or 3+ years related experience.
• Experience with RMF/ATO processes and vulnerability management.
• Familiarity with DoD information systems security requirements and STIGs.
• Active DoD Top Secret clearance eligibility or higher.

Responsibilities

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

Skills

vCenter/VMware

Linux

HBSS

DNS

Group Policy

Active Directory

PowerShell

Log analysis

Education

Associate degree in Computer Science / Information Systems / Cybersecurity

3+ years system administrator experience

No degree: 3+ years related experience

Tools

vCenter/VMware

Linux OS

HBSS

DNS

Active Directory

PowerShell

Job description

Description

Location: NAS Fallon, NV

Security Clearance Requirement: Active Top Secret

Telework Eligible? No, work will be performed on site at NAS Fallon, NV

Support mission-critical Navy training systems at NAS Fallon, NV!

As a Junior 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.

This description outlines the general nature and scope of the role. Additional duties may be assigned as necessary.

Requirements

What You'll Bring:

• This position will require 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 required.
• Proficiency with Linux operating systems is required.
• 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. If no OS cert is held at the time of hire, it may be required within 90 days.

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.

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.