Linux System Administrator (Intermediate-Level)

Link Solutions is seeking an Intermediate Linux System Administrator (Intermediate-Level) to join our team at Clarksburg WV.

• U.S. Citizen with an active DoW Secret Clearance
• IAT Level II Certification equivalent or higher per DoD 8570/8140 
• Non-remote (relocation incentive available)

The Linux System Administrator will provide essential IT support services at the Clarksburg Local Network Enterprise Center (LNEC) in support of the Biometric Operations Department (BOD). This role is responsible for operating maintaining troubleshooting and securing Linux-based systems and infrastructure in accordance with established Service Level Agreements (SLAs) ensuring reliable support for Army Information Technology Portfolio (AITP) systems and mission-critical operations.

This is an excellent opportunity for an IT professional to support enterprise-class Linux environments within a secure Department of Defense setting. Working alongside experienced engineers system administrators and cybersecurity professionals the Linux System Administrator will help maintain system availability resolve technical issues implement security requirements and support infrastructure modernization initiatives. This dynamic role is ideal for a self-starter who is comfortable working in a fast-paced environment adapting to evolving mission requirements and independently driving tasks to completion while supporting critical operational needs.

Job 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.

Please note that this job description is not designed to cover or contain a comprehensive listing of activities duties or responsibilities required of the employee.

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 (Rocky Linux AlmaLinux CentOS).
• Demonstrated 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.
• Ability to work independently navigate ambiguity self-start tasks and adapt to rapidly changing mission requirements.
• Strong technical writing skills with demonstrated experience creating and maintaining technical documentation procedures and system diagrams.
• Strong analytical problem-solving and interpersonal communication skills.

Preferred:

• Experience supporting Department of Defense (DoD) Army or other federal government environments.
• Familiarity with DoD Risk Management Framework (RMF) STIG implementation and vulnerability remediation using ACAS SCAP or similar tools.
• Experience with configuration management and automation tools such as Ansible Satellite or Git.
• Experience integrating Linux systems with Active Directory LDAP SSSD or enterprise identity management solutions.
• Familiarity with virtualization platforms such as VMware vSphere or Red Hat Virtualization.
• Familiarity with biometrics biometric matching systems and biometric data standards.
• Basic knowledge of web technologies including HTML CSS JavaScript Apache and Nginx.
• Experience supporting mission-critical or high-availability environments.
• Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE) or equivalent Linux certification.

Additional Information :

Link Solutions Inc. offers a competitive compensation and benefits package to include paid holidays paid time off medical dental vision company-paid long and short-term disability life insurance referral bonuses relocation incentive program certification reimbursement program retirement and more.

Link Solutions Inc. is an EOE. AA/M/F/D/V. We participate in the E-Verify Employment Verification Program. All your information will be kept confidential according to EEO guidelines. 

Remote Work :

No

Employment Type :

Full-time