Lead Systems Administrator

Rincon-Research-Corporation; Palm Bay (FL); On-site; USD 108,000 - 122,000; Full time

Benefits offered by this job

ESOP

401(k) Plan

Medical & Dental Insurance

Life Insurance

Disability Insurance

FSA / HSA

Job summary

Rincon Research Corporation is seeking a Lead Systems Administrator in Palm Bay, Florida. The role focuses on enterprise and air-gapped systems, with on-site duties and a requirement for strong patching, compliance, and storage management capabilities.

The ideal candidate will bring 3–5 years of relevant experience, deep Linux administration skills, and familiarity with security tooling. This on-site position offers a competitive salary and benefits package in a defense-relevant environment.

Qualifications

• US Citizenship is required.
• Active TS/SCI Security Clearance required.
• Experience with Special Access Systems.
• Bachelor's degree in Computer Science, Information Systems, Engineering, or 5 years of equivalent hands-on experience.

Responsibilities

• Provide end-user technical support for enterprise and air-gapped systems.
• Manage server and storage provisioning, patching, and compliance.
• Deploy, configure, and maintain RF and hardware systems.
• Travel to remote sites for deployments and on-site support.
• Build and maintain monitoring dashboards and alerting.
• Maintain documentation and security vulnerability remediation.
• Participate in capacity planning and infrastructure upgrades.

Skills

Linux systems

Scripting (Bash/Python)

Networking basics

Observability tools

Education

Bachelor's degree or 5 years hands-on experience

Tools

Ansible

Puppet

Terraform

Nessus

Rapid7

VMware

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Lead Systems Administrator

PALM BAY, FL, US

3 days ago Requisition ID: 1376

Salary Range: $108,000.00 To $122,000.00 Annually

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 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 individualto 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 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

What required background will make you successful?

Required

• 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

Education and Experience

• A Bachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline, or 5 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 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

Where 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 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

Rincon 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.