AMERICAN SYSTEMS

Systems Administrator, Lead (Linux/Windows)

AMERICAN SYSTEMS$150K — $175K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active TOP SECRET clearance with SCI eligibility required
  • Bachelor’s degree in a STEM discipline or equivalent experience
  • 8-10 years of IT Systems Administration, including 3-5 years of Linux administration
  • DoD 8140 IAT Level II certification required
  • Experience designing and maintaining secure cloud/on-prem platforms
  • Knowledge of STIGs, RMF, and DoD cybersecurity standards
  • Familiarity with containerization (Docker/Podman) and automation tools (Ansible)
  • Strong CLI and Bash scripting expertise

Responsibilities

  • Support on-premises Linux (60%) and Windows (40%) infrastructure
  • Manage on-premises vSphere infrastructure across multiple datacenters
  • Provide Tier III support for production and development environments
  • Monitor resource availability to meet customer requirements
  • Review and optimize system performance for mission-critical applications
  • Analyze system resource usage and take corrective actions
  • Document and implement system administration solutions

Benefits

  • $5,000 sign-on bonus
  • Comprehensive healthcare benefits
  • Paid leave and retirement plans
  • Insurance programs
  • Education and training assistance
Full Job Description
Overview

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 ofLinuxadministration
  • DoD 8140 IAT Level II cert (e.g.,Security+ CEor equivalent)
  • Experience designing and maintaining secure, scalable cloud/on-prem platforms (IL5 6IL6+)
  • 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 StatementAMERICAN 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.

About AMERICAN SYSTEMS

AMERICAN SYSTEMS is a government IT solutions provider. The Company provides solutions in national security, healthcare, and public sector markets. Its services include acquisition and lifecycle support, enterprise IT, healthcare IT, intelligence analysis, and training and simulation. The Company's customers include the Department of Defense, Department of State, Department of Justice, and Department of Homeland Security. AMERICAN SYSTEMS was founded in 1975 and is headquartered in Chantilly, Virginia.
Learn more about AMERICAN SYSTEMS
Size
1,500 employees
Industry
Founded
1975

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