Lead Systems Administrator

Rincon Research Corp • Palm Bay, FL

4d • Onsite

About The Position

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 a mid-level systems administrator with 3 to 5 years of relevant experience to join a team doing technically demanding work on mission-critical systems that directly support our programs. You will take ownership of real problems, work across a diverse technology stack, and see the impact of your work. This is an on-site position in Palm Bay, FL, embedded within a collaborative team responsible for keeping platforms, systems, and services operational and performing as required. Rincon Research Corporation (RRC), an employee owned company, is seeking a talented, tenacious, results-driven individual 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. Come join the team that is creating cutting edge signal processing and geolocation systems for the future!

Requirements

• MUST BE A US CITIZEN
• Active TS/SCI Security Clearance
• Experience with Special Access Systems
• 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 6 months of hire RHCSA, RHCE
• A Bachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline, or 5 years of equivalent hands-on experience

Nice To Haves

• Proven experience administering Linux systems (RHEL, Rocky, CentOS), including patching, remediation, compliance scanning, and security tooling such as Nessus or Rapid7
• Experience managing physical and virtualized server environments alongside enterprise storage platforms, including flash arrays, SAN, NFS, iSCSI, and object storage
• Working knowledge of configuration management and automation tools such as Ansible, Puppet, or Terraform, and scripting experience in Bash, Python, or PowerShell
• Foundational knowledge of networking concepts including TCP/IP, DNS, DHCP, VLANs, and subnets, as well as PKI, certificate management, and related security practices
• Familiarity with observability practices including logging, monitoring, and telemetry across systems and applications

Responsibilities

• Provide technical end user support for highly specialized mission systems, diagnosing and resolving issues across hardware, software, and integrated platforms
• Monitor and triage systems and applications to identify issues and assess their impact on hardware, network, or service operations
• Manage the full lifecycle of servers, storage systems, and associated hardware, including provisioning, configuration, patching, compliance, and decommission
• Manage and maintain enterprise flash storage arrays and associated data infrastructure
• Deploy, configure, and maintain RF and specialized hardware systems, ensuring operational readiness
• Travel to remote sites to perform system deployments, upgrades, and on-site support activities
• Build and maintain monitoring capabilities, dashboards, and alerting to provide insight into system and service health
• Develop and maintain operational documentation including user guides, knowledge bases, system maintenance records, configuration standards, and repeatable deployment practices
• Manage system compliance and security vulnerability remediation, including tracking findings, coordinating patching cycles, and maintaining documentation to meet regulatory and program requirements
• Maintain lab environments in a clean, organized, and compliant state consistent with established standards
• Participate in capacity planning, infrastructure migrations, and technology refresh cycles, including upgrades and improvements with minimal disruption to operations
• Propose and implement technical solutions that support infrastructure modernization and operational continuity

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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level