Linux Systems Administrator I

American Systems•Lakewood, CO

About The Position

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs in Information Technology, Test & Evaluation, Engineering & Analysis, and Training. The Linux Systems Administrator I supports enterprise-level Linux-based systems and assists with installing, configuring, testing, and managing operating systems, hardware, and software to support IT architecture and business needs. The position also participates in information security, systems analysis, planning, monitoring, and system documentation activities. The role involves supporting primarily RHEL systems and related infrastructure, providing incident support to end users and application users, and assisting with compliance, monitoring, vulnerability remediation, and certificate management. It includes work with systems in an air-gapped environment and legacy applications on older RHEL versions. Candidates must be U.S. citizens, pass a federal background investigation, and obtain a Public Trust. A valid state driver's license is required; travel between customer sites may be required. The listed salary range is USD $61,324.37 to USD $95,680 per year, with actual compensation determined by factors permitted by law. AMERICAN SYSTEMS offers healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

Requirements

U.S. citizenship.
Bachelor’s degree in computer science, information technology, or a related field, or equivalent work experience.
Ability to pass a federal background investigation and obtain a Public Trust.
Strong understanding of the Linux operating system, including the command-line interface and basic networking concepts.
Experience with scripting languages such as Bash or Python.
Ability to work in a fast-paced environment with shifting priorities.
Excellent problem-solving and critical-thinking skills.
Strong communication and interpersonal skills.
Detail-oriented, with excellent time-management and organizational skills.
Valid state driver's license; travel between customer sites may be required.
Ability to present acceptable identification for customer badging and site access, such as a REAL ID-compliant driver's license, U.S. Passport, or another approved document from the GSA Required Identification List.

Responsibilities

Assist in installing, upgrading, patching, managing, and monitoring Linux systems, primarily RHEL.
Assist in configuring, managing, upgrading, and patching Red Hat Satellite servers and package repositories.
Provide incident-management support to end users and application users.
Learn and assist with compliance audits on production systems during patch cycles, and interface with the Change Advisory Board (CAB) as needed for changes.
Use SolarWinds Orion and Splunk for real-time monitoring and alerting of responsible systems.
Assist with setting up IDM, Ansible, baseline OS images and locations, and multi-factor authentication (MFA) on Red Hat Linux.
Learn and assist in addressing vulnerabilities identified through regular compliance scans.
Learn and assist in ensuring Critical Infrastructure Protection (CIP) compliance for servers in an air-gapped environment.
Provide legacy support for applications running on older RHEL versions.
Assist with certificate management and deployment for services on responsible systems.
Update Federal Information Security Act (FISMA) information for compliance.
Participate in information security, systems analysis, planning, monitoring, and system documentation activities.