System Administrator

About the role

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. Work is performed on site at NAS Fallon, NV; telework is not eligible.

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

• Bachelor's degree in Information Technology, Cybersecurity, Computer Science, or related area of study; in lieu of degree, 5 years of relevant experience may be accepted.
• 5 years of related system administration experience preferred.
• Strong working knowledge of vCenter/VMware required.
• Proficiency with Windows operating systems required; experience with Linux a plus.
• Experience managing DoD Host Based Security Systems (HBSS) 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 preferred.

Qualifications

• Highly desired certifications: CompTIA Linux+, LPI Linux Essentials, Red Hat Certified System Administrator (RHCSA), or equivalent. Candidates without an approved operating system certification must obtain one within 90 days of hire.
• 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 ability to operate independently.
• Analytical thinker with proven problem-solving capabilities.
• Highly organized, with ability to balance competing priorities in a fast-paced environment.

Security clearance

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

Benefits

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

About ASEC

ASEC offers meaningful, mission-driven work within a culture that supports professional and personal growth. We partner with 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.