Linux Systems Administrator II

Overview

Epsilon is now part of AMERICAN SYSTEMS

We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS. Together, we're combining our expertise and expanding our resources to enhance support for our customers and create new opportunities for our employees. Epsilon will operate as a wholly owned subsidiary of AMERICAN SYSTEMS until December 31, 2025, transitioning fully to AMERICAN SYSTEMS on January 1, 2026. We're committed to a smooth transition and look forward to what we'll achieve together.

Read more here: AMERICAN SYSTEMS Acquires Epsilon, Inc. (https://www.epsilon-inc.com/epsilon-inc-joins-american-systems/)

Our Customer's Mission :

The Western Area Power Administration (WAPA) is a federal agency under the United States Department of Energy (DOE) that manages and operates high-voltage electric transmission systems across 15 western states. WAPA's mission is to market and deliver reliable, cost-based, renewable power and transmission services to its customers, while also promoting energy efficiency and environmental sustainability. WAPA also manages and markets power from 56 federal hydroelectric power plants, which generate clean and renewable energy for 40 million customers.

Epsilon provides comprehensive and high-quality IT support to WAPA in the areas of; Software maintenance and development, Network, Database, and Operations Support/Management, Supervisory Control and Data Acquisition (SCADA), Cyber-Security, Solution Architecture, and Project Management.

Compensation and Benefits:

We offer competitive compensation, comprehensive benefits through a major national carrier, generous PTO, paid holidays, and immediate 401(k) contribution. Starting January 1st, 2026, you'll gain access to AMERICAN SYSTEMS' benefits package and employee ownership program-details will be shared during your recruiter conversation.

Responsibilities

An average day:

AsLinux Systems Administrator II, you will support the reliability, security, and performance of Red Hat Enterprise Linux (RHEL) environments. This role focuses on day-to-day operations, patching, incident response, and system monitoring within a highly regulated federal environment. You will follow established change management processes, respond to service requests and incidents, configure servers for monitoring, and contribute to small- to medium-scale projects. Strong adherence to compliance standards and attention to detail are essential.In this position you will:

• Administer and maintain Red Hat Enterprise Linux systems, ensuring compliance with customer standards and policies.

• Apply system patches and updates using Red Hat Satellite in accordance with established change management and patching processes.

• Configure and maintain monitoring of servers using SolarWinds Orion, including adding and managing server nodes.

• Respond to incidents and service requests, working within defined SLAs.

• Participate in project-based work, including deployments, upgrades, and process improvements.

• Collaborate with team members to document procedures, configurations, and troubleshooting steps.

• Monitor system performance and availability, escalating issues as needed.

• Follow security and compliance requirements, coordinating with cybersecurity teams when necessary.

• Participate in on-call after hours IT infrastructure support rotation.

• Track and manage work using approved ITSM tools.

Qualifications

• As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C) ,Epsilon will not consider candidates for this position who do not meet the aforementioned conditions.

• Must be able to pass federal background investigation and obtain a Public Trust. ( This is a federal contract position and requires candidates to obtain and maintain the appropriate level of Security Clearance or Public Trust. Adjudication of the required Security Clearance or Public Trust is determined solely by the government. If the government determines that the candidate cannot obtain and/or maintain the appropriate level of Security Clearance or Public Trust, Epsilon will be unable to place the candidate in this position.)

• 2-4 years of experience as a Systems Administrator or related IT role, with hands-on experience managing Red Hat Enterprise Linux environments.

• Experience with Red Hat Satellite or similar patch management platforms.

• Familiarity with change control processes in enterprise environments.

• Experience configuring and maintaining system monitoring (SolarWinds Orion or similar).

• Experience supporting and troubleshooting production systems.

• Basic understanding of networking concepts and system security best practices.

• Ability to follow detailed procedures while maintaining accuracy and consistency.

• Strong communication and problem-solving skills.

• Must possess a valid state driver's license, may be required to travel between customer sites.

Pay Transparency Statement for Epsilon

Epsilon is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $72,543.00/Yr. - USD $143,047.00/Yr. Actual compensation will be determined based on several factors permitted by law. Epsilon 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

Submit a Referral (https://careers-epsilon.icims.com/jobs/3766/linux-systems-administrator-ii/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834329987)

Location : Location US-AZ-Phoenix

Job ID 2025-3766

Category IT / Cyber Security / Network Systems

Position Type Full-Time

Remote No

Clearance Required Public Trust (Tier 4)