Senior Systems Administrator – Mission-Critical, On-Site

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

Benefits offered by this job

Health & dental insurance

Life insurance

Disability insurance

Flexible spending accounts

ESOP

401(k) plan

Job summary

Rincon Research Corporation is seeking a mid-level Lead Systems Administrator in Palm Bay, FL to own server/storage management, patching, and deployment across local and remote sites. You will support enterprise and air-gapped systems, build monitoring, and maintain documentation in a collaborative, mission-focused team.

The role requires US citizenship and active TS/SCI clearance, with experience on Special Access Systems and relevant certifications within 90 days / 6 months of hire.

Qualifications

• Experience administering Linux systems (RHEL/Rocky/CentOS) including patching and compliance.
• Storage management across flash arrays, SAN, NFS, iSCSI, and object storage.
• Scripting and automation with Bash, Python, or PowerShell; use of Ansible/Puppet/Terraform.

Responsibilities

• Provide technical end user support for mission systems across hardware and software.
• Monitor and triage systems to assess impact on operations.
• Manage lifecycle of servers, storage, and related hardware.
• Deploy, configure, and maintain RF and specialized hardware systems.
• Travel to remote sites for deployments and on-site support.
• Build dashboards, monitoring, and alerting for system health.
• Create and maintain operational documentation and deployment standards.
• Coordinate patching and compliance to meet security requirements.
• Maintain lab environments per established standards.
• Contribute to capacity planning and technology refresh cycles.
• Propose technical solutions to modernize infrastructure.

Skills

Linux administration

Networking fundamentals

Scripting Bash

Python scripting

PowerShell scripting

Config management

Terraform

Observability

Security tooling

RF hardware deployment

Special Access Systems

Education

Bachelor's degree in Computer Science, Information Systems, Engineering, or related

Tools

Nessus

Rapid7

Ansible

Puppet

Terraform

Job description

Rincon Research Corporation is seeking a mid-level Lead Systems Administrator in Palm Bay, FL to own server/storage management, patching, and deployment across local and remote sites. You will support enterprise and air-gapped systems, build monitoring, and maintain documentation in a collaborative, mission-focused team.

The role requires US citizenship and active TS/SCI clearance, with experience on Special Access Systems and relevant certifications within 90 days / 6 months of hire.