Linux Systems Administrator - Secret Clearance required
General Dynamics Information TechnologyAbout the role
Type of Requisition:
RegularClearance Level Must Currently Possess:
SecretClearance Level Must Be Able to Obtain:
SecretPublic Trust/Other Required:
NoneJob Family:
IT Infrastructure and OperationsJob Qualifications:
Skills:
Automation Management, Critical Infrastructures, Network Operations, Network Performance, Reverse EngineeringCertifications:
NoneExperience:
5 + years of related experienceUS Citizenship Required:
YesJob Description:
Linux Systems Administrator
Transform technology into opportunity as a Linux Systems Administrator with GDIT. In this role, you will support mission‑critical enterprise IT systems and contribute to the modernization of agency operations.
At GDIT, our people make the difference. As an Linux Systems Administrator, you will help ensure today’s operations remain secure while enabling a smarter tomorrow.
GDIT is seeking a motivated Linux Systems Administrator to support mission critical enterprise infrastructure and network management applications within a Department of Defense environment.
This position is ideal for an infrastructure professional with strong Linux administration fundamentals who wants to expand their expertise across enterprise network management, identity and access management, automation, cybersecurity, and infrastructure management technologies.
Prior experience with all supported applications is not required. The selected candidate will work alongside experienced engineers and progressively develop expertise across the enterprise application environment.
How an Linux System Administrator will make an impact:
• Administer and maintain Red Hat Enterprise Linux systems supporting mission critical enterprise applications.
• Perform operating system installation, configuration, patching, upgrades, troubleshooting, and lifecycle maintenance.
• Monitor operating system and application health, resource utilization, storage, logs, services, and system performance.
• Troubleshoot Linux operating system, application, storage, connectivity, authentication, and performance issues.
• Support Linux systems operating within VMware and other virtualized environments.
• Support enterprise applications including Cisco ISE, Aruba ClearPass, RSA SecurID, LDAP, InfoBlox, CloudVision, AirWave, Cisco Prime, Junos Space, CyberSecure IMS, and related infrastructure management technologies.
• Participate in application upgrades, maintenance, configuration changes, testing, troubleshooting, and service restoration.
• Apply security patches, vulnerability mitigations, DISA STIG requirements, and approved configuration standards.
• Develop Bash, Python, or other approved scripts to automate recurring administrative activities.
• Support Ansible and GitLab based automation and configuration management.
• Identify opportunities to improve system reliability, reduce manual activities, and increase operational efficiency.
• Maintain system documentation, standard operating procedures, configuration information, troubleshooting guides, and recovery procedures.
• Participate in cross training, business hours operational support, and scheduled on call support.
WHAT YOU’LL NEED TO SUCCEED (Required)
Education: Bachelor’s Degree. An additional 4 years of experience may be substituted in lieu of degree.
Clearance: Active DoD Secret clearance or higher at time of hire.
Certification(s):Current CompTIA Security+ CE or equivalent certification meeting applicable DoD cybersecurity workforce requirements.
Technical Certification:
Current certification in at least one
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