Systems Administrator, Lead (Linux/Windows)

americansystems· IT / Cyber Security / Network Systems
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🌍 Remote📍 Arlington, VA, USFULL TIME💰 USD 150K–175K/yr

About this role

Overview

AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Lead Systems Administrator with strong Linux CLI and Windows administration experience to support a Special Access Program in Arlington, VA.

 

This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier III support for systems that cannot fail.

 

Role includes a $5,000 sign-on bonus in addition to a generous compensation package!

Responsibilities

As a Lead Systems Administrator, you will:

  • Support on-premises Linux (60%) and Windows (40%) infrastructure and applications.
  • Support on-premises vSphere infrastructure across multiple datacenters.
  • Provide Tier III support for production and development environments, managing ticket submission and tracking.
  • Monitor resource availability to meet customer requirements, ensuring sufficient hardware, software, and throughput.
  • Review and optimize system performance to ensure peak efficiency and reliability for mission-critical applications
  • Analyze system resource usage and apply corrective actions when necessary
  • Review system and application logs, ensuring completion of scheduled tasks and backups
  • Create and manage user accounts, groups, and permissions; maintain local repositories in a Linux-based environment
  • Support on-prem and remote Linux-based Oracle database appliances
  • Develop and maintain administrative bash scripts for system maintenance and automation
  • Proficient in DNS administration
  • Document and implement system administration solutions to meet business requirements

Qualifications

  • Active TOP SECRET clearance with SCI eligibility required; Program Access Request (PAR) submission required after hire
  • Bachelor’s degree in a STEM discipline (or additional years of relevant experience considered in lieu of degree)
  • 8-10 years of IT Systems Administration that includes 3-5 years of Linux administration 
  • DoD 8140 IAT Level II cert (e.g., Security+ CE or equivalent)
  • Experience designing and maintaining secure, scalable cloud/on-prem platforms (IL5–IL6+)
  • Knowledge of STIGs, RMF, and DoD cybersecurity standards
  • Knowledge of containerization (Docker/Podman), Ansible for automation, and OpenLDAP
  • Experience with virtualization (VMware)  
  • Strong CLI and Bash scripting experience

NOTE: U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearance

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $150,000.00/Yr. - USD $175,000/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

Frequently Asked Questions

What is the salary for the Systems Administrator, Lead (Linux/Windows) role at americansystems?
The listed salary for this Systems Administrator, Lead (Linux/Windows) position at americansystems is USD 150K–175K/yr. This is a remote FULL TIME role.
Is the Systems Administrator, Lead (Linux/Windows) job at americansystems remote?
Yes, this Systems Administrator, Lead (Linux/Windows) position at americansystems is remote, with team members based in Arlington, VA, US. You can work from home or anywhere in the supported regions.
Is the Systems Administrator, Lead (Linux/Windows) role at americansystems full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Systems Administrator, Lead (Linux/Windows) role in the IT / Cyber Security / Network Systems department at americansystems.
Which team or department does the Systems Administrator, Lead (Linux/Windows) at americansystems belong to?
This Systems Administrator, Lead (Linux/Windows) position is part of the IT / Cyber Security / Network Systems department at americansystems. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Systems Administrator, Lead (Linux/Windows) position at americansystems?
Click the "Apply Now" button on this page. You will be redirected to americansystems's official application portal hosted on icims where you can submit your application directly.
When was the Systems Administrator, Lead (Linux/Windows) job at americansystems posted?
This Systems Administrator, Lead (Linux/Windows) position at americansystems was posted on Jun 18, 2026. Apply as soon as possible — early applications are often reviewed first.
Systems Administrator, Lead (Linux/Windows)
americansystems · 💰 USD 150K–175K/yr
Apply for this role ↗

You'll be redirected to americansystems's official application page on icims.