System Administrator

Posted Yesterday
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Fallon, NV, USA
In-Office
Senior level
Aerospace • Professional Services • Defense
The Role
Support mission-critical Navy training systems at NAS Fallon by administering Windows and Linux environments, implementing upgrades, integrating applications, managing VMware and Active Directory, and troubleshooting system issues. Maintain DISA STIG security configurations, conduct vulnerability assessments using ACAS and Evaluate STIG, support RMF and ATO activities, develop accreditation artifacts, and ensure compliance with DoD cybersecurity requirements. The role requires an active DoD Top Secret clearance and on-site work.
Summary Generated by Built In

Description

Location: NAS Fallon, NV

Security Clearance Requirement: Top Secret

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

What You’ll Do:

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

As a System Administrator, you will secure, sustain, and optimize complex DoD environments that directly enable warfighter readiness. This is a high-impact role for a technically strong professional who thrives in cybersecurity-focused, mission-driven operations.

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:

  •  Bachelor's degree in Information Technology, Cybersecurity, Computer Science, or related area of study is required.  In lieu of a bachelor's degree, 5 years of relevant experience may be accepted. The following certifications are highly desired: CompTIA Linux+, LPI Linux Essentials, Red Hat Certified System Administrator (RHCSA),  etc. Please upload copies of any relevant IT certifications you hold.
  • Candidates who do not currently hold an approved operating system certification must obtain one within 90 days of their hire date.
  • 5 years of related system administration experience is preferred.
  • Strong working knowledge of vCenter/VMware is required.
  • Proficiency with Windows operating systems is required; experience with Linux is a plus.
  • 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.

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

Not the right opportunity for you? Send this job posting to a friend!

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.

Skills Required

  • Bachelor's degree in Information Technology, Cybersecurity, Computer Science, or a related field, or five years of relevant experience in lieu of the degree
  • Obtain an approved operating system certification within 90 days if one is not currently held
  • Strong working knowledge of VMware vCenter
  • Proficiency with Windows operating systems
  • Experience managing DNS performance and reliability
  • Experience implementing and maintaining local and group policies
  • Hands-on experience with Microsoft Active Directory domain controller servers
  • Five years of related system administration experience
  • CompTIA Linux+, LPI Linux Essentials, RHCSA, or another approved operating system certification
  • Experience managing DoD Host Based Security Systems
  • Knowledge of log aggregation and analysis across multiple sources
  • Familiarity with Windows PowerShell
  • U.S. citizenship
  • Active DoD Top Secret security clearance
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The Company
HQ: Denver, CO
600 Employees

What We Do

An award winning, employee-owned small business focused on providing value and innovation in the areas of engineering, training, and flight services.

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