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Systems Administrator II (Domain and Server) (PTMG)

American Systems Corporation

Point Mugu NAWC, CAFull-time$120–145K/yrPosted 2w agoStill listed today

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At a glance

Compensation
$120–145K/yr
Location
Point Mugu NAWC, CA
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

DoD 8570/8140 IAT Level II Certification, requiredSecurity+ CE Or CySA+ Or SSCP Or CND Or GSEC Or GICSP Or Equivalent, requiredTop Secret clearance, required

Job overview

AMERICAN SYSTEMS seeks a Systems Administrator II to support secure and reliable server operations for federal government programs. The role administers Windows and Linux systems and related infrastructure, including deployment, configuration, patching, monitoring, troubleshooting, and vulnerability remediation. It also supports cybersecurity compliance, RMF documentation, operational reporting, and coordination with network, cybersecurity, and support personnel.

Skills & qualifications

RequiredNice to have

Skills

Systems Administration, requiredServer Administration, requiredOperating System Configuration, requiredPatching, requiredHardening, requiredInfrastructure Support, requiredActive Directory, requiredDNS, requiredDHCP, requiredGroup Policy, requiredSystem Deployment, requiredSoftware Updates, requiredBackup and Recovery, requiredVulnerability Remediation, requiredVirtualized Server Administration, requiredNIST, requiredFISMA, requiredRMF, requiredDISA STIG, requiredTechnical Documentation, requiredTroubleshooting, requiredCommunication, requiredTeamwork, required

Qualifications

U.S. Citizenship, required3+ Years Systems Administration Experience, requiredDoD 8570/8140 IAT Level II Certification, requiredSecurity+ CE or CySA+ or SSCP or CND or GSEC or GICSP or Equivalent, requiredActive Secret Clearance and TS/SCI Eligibility, requiredFederal Background Investigation, required

Benefits

Medical Insurance
Paid Time Off
401(k) Match
Tuition Assistance

Full job description

Overview

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.

Responsibilities

An average Day: The Systems Administrator II is responsible for the administration, maintenance, configuration, and support of Windows and Linux systems and related infrastructure services. This role performs system setup, hardening, patching, software installation, monitoring, troubleshooting, and technical documentation in support of secure and reliable operations. The position also supports vulnerability remediation, reporting, and compliance-related activities such as system documentation and security control implementation.

  • Administer and maintain server systems and supporting infrastructure, ensuring system availability, performance, and operational stability.

  • Perform system deployment, setup, and configuration, including operating system installation, hardware configuration, and initial software setup based on approved baselines.

  • Manage the maintenance, patching, hardening, and updating of operating systems, applications, and approved software in accordance with established security baselines and compliance requirements.

  • Install, configure, and update approved COTS and GOTS software and manage system updates across the environment.

  • Monitor system health and performance, identify bottlenecks, and support optimization of system resources for efficiency and reliability.

  • Troubleshoot system, hardware, and software issues and respond to incidents to ensure timely resolution and continuity of operations.

  • Develop and maintain technical documentation for system configurations, procedures, operational changes, troubleshooting activities, and compliance-related updates.

  • Support cybersecurity and compliance activities, including vulnerability remediation, implementation of approved security controls, and assistance with RMF-related documentation and system changes.

  • Support operational reporting requirements, including system status updates and patch/hotfix reporting, as required.

  • Collaborate with network, cybersecurity, and support personnel to execute approved changes, support problem resolution, and maintain accurate asset and configuration information.

Qualifications

  • As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C), Epsilon will not consider candidates for this position who do not meet the aforementioned conditions.

  • Minimum of 3 to 5 years of experience in systems administration, with hands-on experience supporting server environments and enterprise infrastructure.

  • Must hold a current DoD 8570/8140 IAT Level II certification, such as Security+ CE, CySA+, SSCP, CND, GSEC, GICSP, or equivalent.

  • Strong technical knowledge of server administration, operating system configuration, patching, hardening, and infrastructure support in regulated environments.

  • Experience managing Microsoft infrastructure services such as Active Directory, DNS, DHCP, and Group Policy, where applicable to the assigned environment.

  • Experience supporting system deployment, configuration, patching, software updates, backup and recovery operations, and vulnerability remediation.

  • Experience supporting virtualized server environments and associated administration tasks, where applicable.

  • Working knowledge of cybersecurity and compliance frameworks, including NIST, FISMA, RMF, and DISA STIG requirements.

  • Experience maintaining technical documentation for system configurations, procedures, operational changes, troubleshooting activities, and compliance-related updates.

  • Strong troubleshooting skills with the ability to diagnose and resolve moderately complex system, hardware, and software issues.

  • Ability to work independently on assigned tasks while managing multiple priorities in a mission-focused IT environment.

  • Strong communication skills and the ability to work effectively in a team-oriented environment.

  • Must have an active Secret clearance with the ability to obtain a Top Secret with SCI eligibility or have an active Top Secret with SCI eligibility.

  • Will be subject to a federal background investigation.

Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $120,000.00/Yr. - USD $145,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. EEO Statement EEO Race/Sex/Disability Status/Veteran Status

How this job compares

Set against the 2,422 open Systems Administrator jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This posting$120–145K/yr
  • California median$107–164K/yr140 salary ranges
  • US median$95–149K/yr1,490 salary ranges

This range's midpoint, $133K, is 4% below the California median midpoint ($138K) — in the middle half of Systems Administrator salary ranges in California.

Openings
Olive Jobs lists 199 open Systems Administrator jobs in California and 2,422 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 3 years of experience; Systems Administrator postings that state a minimum ask for 5 years at the median (2,024 postings).
Education
347 of the 2,422 open Systems Administrator jobs (14%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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