Lead Systems Administrator

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.

We are seeking an IT Systems Administrator for our Enterprise Technology and Operations team (ETO). This position is Linux focused and requires and 8 to 10 years of relevant experience to take ownership of the technical management of a customer program's computing environment, from initial build through ongoing operations. You will coordinate a team supporting the program, work across a broad technology stack, and see the direct impact of your work on a system that matters to the customer's mission.

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

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

Technical Translate program requirements into a working technical design, then carry that design through implementation

Support and lead the design and build of the program's systems, including servers, network, and platform services, expanding it as the program grows

Monitor, communicate, and respond to operational and cybersecurity alerts, working to identify and resolve issues such as availability, disaster recovery, and performance

Manage platform services and developer tooling supporting the program, such as Open Shift, identity management, logging, Git Lab, and Harbor Lead the patch cycle and hardware lifecycle management for the program's equipment, including planned refresh and expansion

Manage program compliance and vulnerability remediation, including tracking findings, coordinating patching cycles, and maintaining documentation to meet program requirements

Develop and maintain program documentation, including the Privileged User Guide, System User Guide, and system, hardware, and network diagrams

Leadership

Coordinate the day to day work of the team supporting the program, working with their leads to set priorities, with opportunity for direct management of the team over time

Act as a liaison and facilitator between the customer, program manager, and ETO by identifying needs, missed opportunities, and areas to provide solutions

What required background will make you successful?

Active TS/SCI security clearanceUS CITIZENSHIP REQUIRED What additional background is preferred?

Certifications Security certification in compliance with DOD 8570 required within 90 days of hire Professional certification in one or more of the following areas required within 1 year of hireRHCSA, RHCEEducation and Experience A Bachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline, or 8 years of equivalent hands-on experience

Desired skills:

Proven experience administering Linux systems (RHEL, Rocky, CentOS), including patching, remediation, compliance scanning, and security tooling such as Nessus or Rapid7

Experience with Open Shift or similar container platforms, identity management, and centralized logging

Experience with developer tooling such as Git Lab and Harbor Working knowledge of configuration management and automation tools such as Ansible, Puppet, or Terraform, and scripting experience in Bash, Python, or Power Shell Foundational  knowledge of networking concepts including TCP/IP, DNS, DHCP, VLANs, and subnets, as well as PKI, certificate management, and related security practices

Experience coordinating the work of a team, even without direct reporting authority

Familiarity with Windows systems administration

Where is the position located?

This an on-site position located at our Tucson, Arizona Headquarters.
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