Systems Administrator, Lead; Linux/Windows
Listed on 2026-08-30
-
IT/Tech
Systems Administrator, Unix/Linux, Cybersecurity
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!
Location:
US-VA-Arlington
:
Category: IT / Cyber Security / Network Systems
Position Type:
Full-Time
Remote:
No
Clearance Required:
Top Secret/SCI
- 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.
#hotjobs
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 DoW 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
AMS1
Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $/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 Race/Sex/Disability Status/Veteran Status
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