Windows System Administrator

Why Join Rincon Research Corporation (RRC)?

Rincon Research Corporation (RRC), an employee-owned company, innovates, develops, and fields digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national security. Our mission is to create cutting-edge signal processing and geolocation systems for the future.

Primary Responsibilities - Windows System Administrator

• Support and contribute to an Active Directory modernization, migration, and restructuring effort.
• Help shape the development of a new Azure environment, including Entra ID and hybrid identity with Azure AD Connect.
• Manage and support core infrastructure services including DNS, DHCP, and certificate services.
• Provide system support through troubleshooting, and document resolutions for future reference.
• Perform and help automate OS, software, and service installations.
• Create and maintain operational documentation and standard operating procedures.

Required Background

• 8+ years of experience in Windows systems administration.
• Deep experience with Active Directory, including OU design, group policy, multi-site environments, replication, and migrations.
• Strong working knowledge of core infrastructure services including DNS, DHCP, and certificate services.
• Experience with Microsoft Windows Server across deployment, service migration, and lifecycle management.
• Experience with storage platforms such as SAN, NAS, or hyperconverged configurations.
• Experience managing and resolving vendor OS and software patches and vulnerability notices.
• Able to obtain and maintain TS/SCI security clearance.
• US Citizenship Required.

Preferred Skills

• Familiarity with Azure services, including Entra ID and hybrid identity configurations.
• Experience with disaster recovery processes, including backup software and policies.
• Experience with PowerShell scripting.
• Experience with a configuration management tool such as Ansible.
• Comfortable explaining technical work to teammates and contributing to team planning discussions.
• Bachelor’s degree or equivalent experience.
• Microsoft certification such as Azure Administrator Associate (AZ-104), or a Windows Server focused certification.
• CompTIA Security+ or DoD 8570 Level II equivalent within 90 days of hire.
• Ts/Sci eligibility preferred.
• Able to travel up to 10%.

Position Location

This position is located at our Tucson, Arizona Headquarters. It is 100% onsite and does not allow for hybrid schedules.

Possible Salary Range

The likely salary range for this position is $100,000 to $120,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

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 ESOPEmployer matching contributions to the company’s 401( k) Plan.
• Employer discretionary contributions to the company’s 401(k) Plan.