Senior Systems Administrator

Overview

AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience to support a Special Access Program in Washington, DC.

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 Sr. Systems Administrator, you will:

• Support on-premises Linux (80%) and Windows (20%) 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 RHEL-based environment • Support on-prem and remote Linux-based Oracle database appliances • Develop and…