Linux Systems Administrator II - Phoenix, AZ

Linux Systems Administrator II

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.

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.

Compensation:
The wage range listed represents the potential compensation opportunities for this position. Starting salary will be thoughtfully determined by the hiring manager based on a variety of factors including candidate experience, education, relevant skills, and qualifications brought to the role. The initial offer could be any amount within the posted range, reflecting our commitment to fair and competitive compensation.

Where you'll work:
You will be working onsite at WAPA's Phoenix, AZ location.

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.

An average day:
As Linux 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.

Basic 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.
• 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.

Preferred Qualifications:

• Experience working in Agile environments and using Azure DevOps (ADO) for work tracking.
• Familiarity with automation tools such as Ansible or scripting (Bash, Python, etc.).
• Exposure to ITSM platforms (e.g., ServiceNow) for incident, request, and change management.
• Experience working in federal or regulated IT environments.
• Red Hat Certified System Administrator (RHCSA) or equivalent certification.

Other Requirements:

• 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.)
• This position may require the ability to operate a government vehicle. The incumbent must be at least 18 years of age, able to obtain and maintain Defensive Drivers certification and have a valid state driver's license.

Physical Demands and Working Conditions:
Listed below are the physical or mental requirements necessary for the job's performance. Reasonable accommodation may be made to enable individuals with disabilities to perform essential job functions:

• Prolonged periods of computer desk work.
• Dexterity of hands and fingers to operate a computer keyboard and other computer components.
• Speaking and hearing are sufficient to converse and understand conversations, both in-person, telephone, and virtual meetings.
• The cognitive skills needed to complete tasks, including abilities such as learning, remembering, focusing, categorizing, and integrating information for decision-making, problem-solving, and comprehending.
• Ability to learn new tasks, remember processes, maintain focus, complete tasks independently, make timely decisions in the context of a workflow, and the ability to communicate with managers and co-workers.
• Mental aptitude to respond appropriately in high-pressure situations or deadline-driven environments.
• Maintain a professional emotional response when working with others.

Epsilon is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applications will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. EEO/AA: Disabled/Vets.

Please click here to review your rights under EEO policy.

If you are an individual with a disability and need special assistance or reasonable accommodation in applying for employment with Epsilon, Inc., please contact our Recruiting department by phone 828-398-5414 or by email careers@epsilon-inc.com .