Linux Systems Administrator - DoD Clearance, Onsite

Link Solutions, Inc.; Clarksburg (WV); On-site; USD 63,000 - 77,000; Full time

Benefits offered by this job

Paid holidays

Paid time off

Medical

Dental

Vision

Company-paid disability

Life insurance

Referral bonuses

Relocation incentive program

Certification reimbursement

Retirement

More

Job summary

Link Solutions, Inc. seeks an Intermediate Linux System Administrator to join our team at Clarksburg, WV.

The role involves operating, maintaining, and securing Linux systems to support the Biometric Operations Department and Army IT portfolios in a DoD environment. You will install and patch Linux, harden systems per STIGs, manage services and authentication, automate tasks with Bash and Ansible, and collaborate with cybersecurity and engineering teams to ensure availability, security, and

Qualifications

• U.S. Citizen with an active DoW Secret Clearance.
• DoD 8570/8140 IAT Level II certification (Security+ CE, SSCP, GSEC, or equivalent).
• Minimum of three (3) years of relevant IT experience with direct hands-on administration of Red Hat Enterprise Linux (RHEL) and/or derivative distributions.
• Experience writing, maintaining, and troubleshooting Bash scripts for systems administration and automation.
• Experience installing, configuring, patching, and maintaining Linux operating systems and enterprise services.
• Experience troubleshooting Linux operating systems, applications, and system performance issues in enterprise environments.
• Familiarity with Linux user account management, permissions, file systems, process management, and system logging.
• Strong technical writing skills with demonstrated experience creating and maintaining technical documentation, procedures, and system diagrams.
• Strong analytical, problem-solving, and interpersonal communication skills.

Responsibilities

• Monitor system performance, availability, and security, proactively identifying and resolving issues to maintain operational readiness.
• Install, configure, patch, and upgrade Linux operating systems, applications, and supporting services in accordance with security and compliance requirements.
• Perform system hardening in accordance with DoD Security Technical Implementation Guides (STIGs) and other cybersecurity mandates.
• Manage user accounts, permissions, authentication services, and access controls across enterprise Linux environments.
• Configure and maintain enterprise services such as DNS, DHCP, NTP, LDAP, SSH, web services, and file-sharing solutions.
• Troubleshoot and resolve complex system, application, network, and performance-related issues across multiple environments.
• Support vulnerability remediation efforts by analyzing security scan results and implementing corrective actions.
• Develop and maintain automation solutions using Bash, Ansible, or other scripting and configuration management tools.
• Perform system backups, disaster recovery activities, and continuity-of-operations support to ensure mission resilience.
• Support virtualization and cloud-based infrastructure technologies, including VMware, Red Hat Virtualization, or similar platforms.
• Collaborate with cybersecurity, networking, and engineering teams to implement system enhancements and resolve operational issues.
• Maintain compliance with DoD, Army, and organizational policies, procedures, and security requirements.
• Support infrastructure modernization initiatives by evaluating, testing, and implementing new technologies and system improvements.
• Participate in incident response, root-cause analysis, and after-action reporting for system disruptions and security events.
• Provide technical guidance and mentorship to junior administrators and support personnel when needed.

Skills

Bash scripting

Linux system administration

DoD STIGs compliance

Technical writing

Problem solving

Independent work

Mentorship

Communication

Tools

Ansible

Satellite

Git

ACAS/SCAP

VMware

Red Hat Virtualization

Job description

Link Solutions, Inc. seeks an Intermediate Linux System Administrator to join our team at Clarksburg, WV.

The role involves operating, maintaining, and securing Linux systems to support the Biometric Operations Department and Army IT portfolios in a DoD environment. You will install and patch Linux, harden systems per STIGs, manage services and authentication, automate tasks with Bash and Ansible, and collaborate with cybersecurity and engineering teams to ensure availability, security, and