Systems Administrator, Lead (Linux/Windows)

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 l ocal 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 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

• AMS1

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