Senior Linux Systems Administrator - TS/SCI Onsite

General Dynamics Information Technology; Tampa (FL); On-site; USD 114,750 - 155,250; Full time

Benefits offered by this job

401K with company match

Paid time off

Job summary

General Dynamics Information Technology is seeking a SME Linux Systems Administrator to advance enterprise Linux environments supporting USCENTCOM mission requirements. You will configure, deploy, and maintain Linux servers, manage Red Hat/CentOS, and ensure security and performance across a large user base.

The role requires 5+ years of Linux/RedHat experience, DoD 8140/8570 certifications, and TS/SCI eligibility. Onsite work at MacDill AFB is required with potential for limited travel.

Qualifications

• 5+ years of related experience in Linux/RedHat Systems Administration.

Responsibilities

• Configure, deploy, and maintain Linux server environments, including physical and virtual systems.
• Administer Red Hat and CentOS Linux systems, ensuring stability, performance, and security compliance.
• Configure and manage Linux services such as Apache, Nginx, DNS, DHCP, LDAP, and related system services.
• Monitor system performance and availability, proactively identifying and resolving issues before they impact operations.
• Troubleshoot and resolve complex system issues, including problems without existing documented solutions.
• Implement system patches, updates, and security hardening in accordance with DoD and organizational policies.
• Manage SSL/TLS certificate lifecycle activities supporting Linux-based services.
• Collaborate with infrastructure, network, storage, and security teams to design and implement Linux-based solutions aligned with enterprise requirements.
• Participate in system upgrades, migrations, and the deployment of new Linux infrastructure components.
• Ensure incidents, problems, and service requests are tracked, prioritized, escalated, and resolved appropriately.
• Develop and maintain technical documentation, including system configurations, troubleshooting guides, and standard operating procedures.
• Produce reports and data sets to inform leadership of system performance, trends, and improvement opportunities.
• Provide technical mentorship and guidance to junior administrators and team members.
• Support projects focused on improving the security, efficiency, scalability, and resilience of Linux environments.
• Assist in developing and enforcing system policies and best practices.
• Participate in enterprise initiatives to modernize and standardize infrastructure services.
• Contribute to continuous improvement efforts across Enterprise Services teams.

Skills

CentOS

IT Troubleshooting

Linux

Red Hat Enterprise Linux (RHEL)

Job description

General Dynamics Information Technology is seeking a SME Linux Systems Administrator to advance enterprise Linux environments supporting USCENTCOM mission requirements. You will configure, deploy, and maintain Linux servers, manage Red Hat/CentOS, and ensure security and performance across a large user base.

The role requires 5+ years of Linux/RedHat experience, DoD 8140/8570 certifications, and TS/SCI eligibility. Onsite work at MacDill AFB is required with potential for limited travel.