Linux Systems Administrator – TS/SCI Clearance

Open Systems Technologies Corporation; Corridor North (MD); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

3 Weeks Paid Time Off

11 Federal Holidays

Medical and Dental Coverage

Short-Term Disability

Long-Term Disability

Life Insurance

AD&D Coverage

401(k) with up to 4% Company Match

Job summary

Open Systems Technologies Corporation (OST) seeks System Administrators at all experience levels to support mission-critical HPC environments in Maryland and Utah. The role revolves around monitoring, troubleshooting, and optimizing Linux-based infrastructures to ensure reliability and availability.

Candidates should excel in Linux administration, Bash scripting, and be capable in platform, networking, or storage contexts. Active TS/SCI with Polygraph and U.S.

Qualifications

• Active TS/SCI with Polygraph security clearance.
• U.S. Citizenship.
• Experience administering Linux operating systems (RHEL, CentOS, Rocky Linux, SLES, Ubuntu).
• Experience with Linux installation/configuration, file systems, TCP/IP, troubleshooting, Bash scripting, and software installation.

Responsibilities

• Monitor, maintain, and troubleshoot mission operations systems and infrastructure.
• Install, configure, and administer Linux operating systems and applications.
• Configure and manage file systems, networking services, and system resources.
• Perform OS and application troubleshooting in complex environments.
• Develop and maintain Bash scripts to automate tasks.
• Compile, install, configure, and support software applications.
• Support infrastructure automation and configuration management initiatives.
• Collaborate with engineering and operations to resolve issues and improve performance.
• Document configurations, procedures, and troubleshooting processes.
• Participate in system upgrades, maintenance, and operational support.

Skills

Linux administration

Bash scripting

Troubleshooting

Independent work

Collaboration

Tools

Jira

Confluence

Grafana

Prometheus

Nagios

Slurm

Git

Salt

Ansible

Job description

Open Systems Technologies Corporation (OST) seeks System Administrators at all experience levels to support mission-critical HPC environments in Maryland and Utah. The role revolves around monitoring, troubleshooting, and optimizing Linux-based infrastructures to ensure reliability and availability.

Candidates should excel in Linux administration, Bash scripting, and be capable in platform, networking, or storage contexts. Active TS/SCI with Polygraph and U.S.