Senior System Administrator

ASEC • Ridgecrest, CA

4h • $140,000 - $160,000 • Onsite

About The Position

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

As a Senior 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.

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

Requirements

• Candidates must meet DoD 8140-M advanced level qualification requirements. At a minimum, CompTIA Security + CE will be required for this position. Please upload copies of any relevant IT certifications you hold.
• 7 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.
• 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.
• 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.

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.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed