Lead Systems Administrator

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 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!What are the primary responsibilities in the Lead Systems Administrator position?In this role, you will serve as a primary point of contact for technical end user support for enterprise and air-gapped systems, working directly with users on complex, specialized systems. You will also take ownership of server and storage management, system patching and compliance, and deployment activities at both local and remote locations.

Responsibilities include, but are not limited to:Provide technical end user support for highly specialized mission systems, diagnosing and resolving issues across hardware, software, and integrated platformsMonitor and triage systems and applications to identify issues and assess their impact on hardware, network, or service operationsManage the full lifecycle of servers, storage systems, and associated hardware, including provisioning, configuration, patching, compliance, and decommissionManage and maintain enterprise flash storage arrays and associated data infrastructureDeploy, configure, and maintain RF and specialized hardware systems, ensuring operational readinessTravel to remote sites to perform system deployments, upgrades, and on-site support activitiesBuild and maintain monitoring capabilities, dashboards, and alerting to provide insight into system and service healthDevelop and maintain operational documentation including user guides, knowledge bases, system maintenance records, configuration standards, and repeatable deployment practicesManage system compliance and security vulnerability remediation, including tracking findings, coordinating patching cycles, and maintaining documentation to meet regulatory and program requirementsMaintain lab environments in a clean, organized, and compliant state consistent with established standardsParticipate in capacity planning, infrastructure migrations, and technology refresh cycles, including upgrades and improvements with minimal disruption to operationsPropose and implement technical solutions that support infrastructure modernization and operational continuityRequiredMUST BE A US CITIZENActive TS/SCI Security ClearanceExperience with Special Access SystemsCertificationsSecurity certification in compliance with DOD 8570 required within 90 days of hireProfessional certification in one or more of the following areas required within 6 months of hire RHCSA, RHCEEducation and ExperienceA Bachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline, or 5 years of equivalent hands-on experienceDesired SkillsProven experience administering Linux systems (RHEL, Rocky, CentOS), including patching, remediation, compliance scanning, and security tooling such as Nessus or Rapid7Experience managing physical and virtualized server environments alongside enterprise storage platforms, including flash arrays, SAN, NFS, iSCSI, and object storageWorking knowledge of configuration management and automation tools such as Ansible, Puppet, or Terraform, and scripting experience in Bash, Python, or PowerShellFoundational knowledge of networking concepts including TCP/IP, DNS, DHCP, VLANs, and subnets, as well as PKI, certificate management, and related security practicesFamiliarity with observability practices including logging, monitoring, and telemetry across systems and applicationsWhere is the position located?This position can be located at our Palm Bay, FL office. This position is on-site and not a hybrid role.The likely salary range for this position is $108,000 to $122,000. 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.What benefits does RRC offer?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 careImmediate participation and vesting in the company's Employee Stock Ownership Plan (ESOP) and 401(k) PlanEmployer contributions to RRC's ESOPEmployer matching contributions to the company's 401(k) PlanEmployer discretionary contributions to the company's 401(k) PlanRincon 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.