Linux System Administrator
Job in
Clarksburg, Harrison County, West Virginia, 26306, USA
Listed on 2026-09-18
Listing for:
Vets Hired
Full Time
position Listed on 2026-09-18
Job specializations:
-
IT/Tech
Unix/Linux, Systems Administrator, Cybersecurity, Disaster Recovery IT
Job Description & How to Apply Below
Job Summary
The Linux System Administrator (Intermediate-Level) is responsible for operating, maintaining, troubleshooting, securing, and supporting enterprise Linux-based systems and infrastructure. The role focuses on system availability, performance, cybersecurity compliance, vulnerability remediation, automation, backups, disaster recovery, virtualization, and infrastructure modernization within a secure enterprise environment.
Key Responsibilities- Monitor system performance, availability, and security.
- Identify and resolve system issues to maintain operational readiness.
- Install, configure, patch, and upgrade Linux operating systems, applications, and services.
- Harden Linux systems according to DoD STIGs and cybersecurity requirements.
- Manage user accounts, permissions, authentication, and access controls.
- Configure and maintain DNS, DHCP, NTP, LDAP, SSH, web services, and file-sharing services.
- Troubleshoot complex system, application, network, and performance issues.
- Analyze security scan results and perform vulnerability remediation.
- Develop automation solutions using Bash, Ansible, and configuration-management tools.
- Perform system backups, disaster recovery, and continuity-of-operations activities.
- Support virtualization and cloud infrastructure, including VMware and Red Hat Virtualization.
- Collaborate with cybersecurity, networking, and engineering teams.
- Maintain compliance with DoD, Army, and organizational security requirements.
- Support infrastructure modernization, technology testing, and system improvements.
- Participate in incident response, root-cause analysis, and after-action reporting.
- Provide technical guidance and mentorship to junior administrators and support personnel.
- U.S. Citizen with an active DoD Secret Clearance.
- DoD 8570/8140 IAT Level II certification, such as Security+ CE, SSCP, GSEC, or equivalent.
- Minimum 3 years of relevant IT experience with hands-on Red Hat Enterprise Linux (RHEL) or derivative distributions.
- Experience writing, maintaining, and troubleshooting Bash scripts.
- Experience installing, configuring, patching, and maintaining Linux operating systems and enterprise services.
- Experience troubleshooting Linux operating systems, applications, and performance issues.
- Knowledge of Linux user accounts, permissions, file systems, processes, and system logging.
- Ability to work independently and adapt to changing requirements.
- Strong technical writing and documentation skills.
- Experience creating and maintaining technical procedures and system diagrams.
- Strong analytical, problem-solving, and communication skills.
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