Rincon Research Corporation · 1 day ago
Linux Administrator
Tucson, AZ
Full-time
Onsite
Entry Level
$43/hr - $57/hr
5+ years expRincon Research Corporation is focused on innovating and developing digital signal processing products for the Defense and Intelligence Communities. They are seeking a Linux-focused Systems Administrator to assist in building and maintaining solutions that support modernization and improvement of services and infrastructure in a collaborative R&D environment.
GovernmentMilitaryNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Qualification
Required
Active TS/SCI Security Clearance
US CITIZENSHIP REQUIRED
A Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or other related discipline. May be substituted for 5+ years of experience
Requires security certification in compliance with DOD 8570 within 90 days of hire
Requires professional certification in one or more areas within 6 months of hire - Examples include RHCSA, RHCE, CKA, CCNA, AWS Associate
Preferred
Knowledge of Linux systems and service administration (RHEL, Rocky, CentOS) with hands-on experience in remediation and patching
Basic familiarity with configuration management and automation tools such as Ansible, Puppet, or Terraform, with an interest in learning Infrastructure as Code and Git practices
Understanding and some experience with enterprise storage platforms and supporting technologies such as SAN, NFS, iSCSI, block, and object storage
Experience with virtualization platforms such as KVM and container platforms such as Docker
Understanding of basic networking concepts and services (TCP/IP, DNS, DHCP, VLANs, Subnets) and ability to assist in troubleshooting connectivity issues
Working knowledge of security compliance frameworks and how to apply them – including STIGs, DISA Benchmarks, CMMC, or CUI
Some experience or a strong interest in learning scripting or programming Bash, Python, PowerShell, or Go to support automation, system tooling, and troubleshooting tasks
Strong troubleshooting and problem-solving mindset, with a willingness to learn from senior administrators
Benefits
100% employer-paid premiums for family medical and dental insurance, employee life insurance, short-term and long-term disability (STD & LTD)
Flexible reimbursement spending accounts for medical expense and dependent care
Immediate participation and vesting in the company’s Employee Stock Ownership Plan (ESOP) and 401(k) Plan
Employer contributions to RRC’s ESOP
Employer matching contributions to the company’s 401( k) Plan
Employer discretionary contributions to the company’s 401(k) Plan
Company
Rincon Research Corporation
At Rincon Research Corporation, our core business is to design, build, test, and field digital signal processing (DSP) products and services for the United States Defense and Intelligence communities.
201-500 employees
Funding
Current Stage
Growth StageRecent News
2022-03-07
Company data provided by crunchbase