Linux Administrator

Job Description

Job Description

Why Join Rincon Research Corporation (RRC)?

At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national security.

Rincon Research Corporation (RRC), an employee owned company, is seeking a talented, tenacious, results-driven Linux-focused Systems Administrator to work in a multi-disciplinary R&D environment with similarly motivated electrical engineers, mathematicians, computer scientists, and analysts who are collectively responsible for creating custom digital signal processing solutions and leveraging them to make an operational mission impact. The ideal candidate will assist in developing and supporting enterprise solutions as part of a collaborative team. In this role, you will contribute to Rincon’s evolving development infrastructure while gaining hands-on experience in systems administration.

Come join the team that is creating cutting edge signal processing and geolocation systems for the future!

What are the primary responsibilities in the Linux Systems Administrator position?

As a Linux Systems Administrator at Rincon, you will be responsible for assisting in building, maintaining, and creating solutions that support the modernization and improvement of services and infrastructure. As a member of a team, you will work to develop techniques, create solutions, and build services that directly support company-wide efforts and continuity. Responsibilities will be will be, but not limited to :

• Assist with deploying and managing Linux systems and services across multiple sites, leveraging automation and configuration management tools under team lead guidance.
• Collaborate with senior administrators to support infrastructure projects and migrations—including upgrades, capacity improvements, and technology refreshes—with minimal disruption.
• Participate in operational cycles, including patching, monitoring, maintenance, and performance optimization, ensuring required metrics for availability, security, and compliance are consistently met.
• Contribute to documentation efforts, such as user guides, knowledge bases, and system maintenance records.
• Follow established technical designs, processes, and procedures to maintain system standards.
• Perform routine system health checks and assist in monitoring system performance, security, and availability, as well as supporting recovery events and backup / disaster recovery operations.
• Learn and contribute to automation and scripting tasks, helping reduce manual effort by working with tools such as Ansible, Puppet, Terraform, and IaC frameworks.
• Maintain lab environments in a clean, organized, and compliant state, ensuring they meet the set standard.

What required background will make you successful?

A Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or other related discipline. May be substituted for 5+ years of experience

Examples include RHCSA, RHCE, CKA, CCNA, AWS Associate

Preferred skills :

Where is the position located?

This position is located at our Tucson, AZ Headquarters.

What benefits does RRC offer?

Rincon Research Corporation is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor.