General Dynamics Information Technology ยท 1 day ago
Senior Linux Systems Administrator
Tampa, FL
Full-time
Onsite
Mid, Senior Level
$98K/yr - $132K/yr
3+ years expGeneral Dynamics Information Technology is a global technology and professional services company that delivers consulting, technology, and mission services. They are seeking a Senior Linux Systems Administrator to configure, maintain, and optimize Linux-based server environments, supporting mission-critical systems for USCENTCOM.
Artificial Intelligence (AI)Cloud ComputingConsultingCyber SecurityInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
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
Qualification
Required
Top Secret/SCI clearance level must currently possess
Top Secret/SCI clearance level must be able to obtain
3+ years of related experience
US Citizenship required
Demonstrated proficiency administering Red Hat and CentOS Linux systems in enterprise environments
Strong experience building, deploying, and maintaining Linux server infrastructures
Expertise in system performance tuning, availability management, and security hardening
Experience implementing patches, updates, and configuration changes in controlled environments
Ability to troubleshoot and resolve complex systems issues under operational constraints
Strong documentation skills for system configurations, procedures, and troubleshooting guides
Proven ability to work collaboratively across multiple IT disciplines
Preferred
Red Hat Certified System Administrator (RHCSA) or higher
ITIL 4 Foundation Certification
Experience supporting USCENTCOM environments and familiarity with mission systems and operational requirements
Knowledge of enterprise-scale infrastructure operations
Experience mentoring junior administrators and contributing to team development
Benefits
Comprehensive benefits and wellness packages
401K with company match
Paid time off
Variety of medical plan options
Some with Health Savings Accounts
Dental plan options
Vision plan
Short and long-term disability benefits
Life, accidental death and dismemberment
Personal accident
Critical illness
Business travel and accident insurance
Full flex work weeks
Vacation
Sick and personal time
Holidays
Paid parental
Military
Bereavement
Jury duty leave
Company
General Dynamics Information Technology
General Dynamics Information Technology is an IT consulting company that specializes in cyber security, AI, and quantum computing. It is a sub-organization of General Dynamics.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Paul Nedzbala
Senior Vice President
Ben Buckley
Vice President and General Manager
Recent News
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2025-11-20
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