Linux Systems Administrator
About The Position
We are seeking a highly skilled Systems Administrator / Infrastructure Engineer to support, maintain, and optimize complex enterprise infrastructure environments. The role requires strong experience with Red Hat Enterprise Linux (RHEL) administration, network engineering, monitoring solutions, workflow automation, and Public Key Infrastructure (PKI). The successful candidate will administer and troubleshoot enterprise systems, automate operational processes, manage infrastructure monitoring tools, and support Commercial Off-the-Shelf (COTS) applications within secure or specialized environments. The work spans systems and network infrastructure to ensure availability, reliability, security, and optimal performance. Top Secret SCI with Polygraph clearance is required.
Requirements
- Top Secret SCI with Polygraph clearance.
- Demonstrated experience automating workflows and data processes using Bash, Python, or comparable scripting languages.
- Hands-on experience administering, configuring, and tuning Nagios monitoring systems.
- Strong proficiency with Red Hat Enterprise Linux (RHEL), including advanced command-line system administration.
- Working knowledge of PKI, digital certificates, and certificate lifecycle management.
- Solid network engineering background, including routing, switching, TCP/IP, and troubleshooting in large-scale network environments.
- Experience supporting and maintaining COTS applications and tools in secure, restricted, or specialized environments.
- Strong understanding of system administration, infrastructure troubleshooting, and performance optimization.
- Ability to diagnose and resolve complex technical issues across enterprise systems and network environments.
Responsibilities
- Develop, implement, and maintain automated workflows and data processes using Bash, Python, or similar technologies.
- Administer, configure, maintain, and optimize Nagios monitoring solutions for infrastructure health, system availability, and performance monitoring.
- Perform advanced system administration in Red Hat Enterprise Linux (RHEL) environments, including command-line operations, configuration management, troubleshooting, and system optimization.
- Support PKI, including certificate management, installation, renewal, troubleshooting, and lifecycle maintenance.
- Perform network engineering and troubleshooting involving routing, switching, TCP/IP, and enterprise-scale network infrastructure.
- Install, configure, maintain, and troubleshoot COTS applications and tools in secure or specialized environments.
- Monitor system performance, identify infrastructure issues, and implement corrective actions to improve reliability and operational efficiency.
- Troubleshoot complex hardware, software, operating system, and network issues across interconnected infrastructure environments.
- Collaborate with engineering, cybersecurity, network, and operations teams to support infrastructure stability and mission-critical services.
- Develop and maintain technical documentation, operational procedures, and system configuration records.
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What This Job Offers
Job Type
Full-time
Education Level
No Education Listed
