General Dynamics Information Technology · 1 week ago
Linux Systems Administrator Senior
United States
Full-time
Remote
Mid, Senior Level
$97K/yr - $131K/yr
3+ years expGeneral Dynamics Information Technology is seeking an experienced Linux Systems Administrator Senior to join their Scientific Modeling, Application, Visualization, Computational Science, Software, and Statistical Support Team to support the Environmental Protection Agency. The role involves providing dedicated support for CCTE code level developers in creating public applications that serve the scientific community.
Artificial Intelligence (AI)Cloud ComputingCyber SecurityConsultingInformation Technology
No H1B
U.S. Citizen Only
Responsibilities
Configuring and maintaining the networked computer system, including hardware, system software, and applications
Ensuring data is stored securely and backed up regularly
Diagnosing and resolving hardware, software, networking, and system issues when they arise
Replacing and upgrading defective or outdated components as necessary
Monitoring system performance to ensure everything runs smoothly and securely
Hardware sizing, Landscape Architecture and Storage planning
Planning and scheduling RHEL server upgrade/migration and Servers downtime
Planning and scheduling Physical 2 Virtual (P2V) migration
Installing and upgrading Atlassian Tools (Jira/Bitbucket/Confluence and Bamboo)
Atlassian tools system migration and Database migration to PostgreSQL database
Creating, updating, and organizing technical documentation and knowledge base for the team and other departments
Qualification
Required
3 + years of related experience
US Citizenship Required
Technical Training, Certification(s) or Degree required
BA/BS in Information Systems, Information Technology, or equivalent experience
Working closely with Functional and Technical teams for OS upgrade (RHEL 6.x,7.x to RHEL8.x, and RHEL9.x) and Windows Server
Experienced in administering server-side technology and networked computing systems
Experienced in remediation of computing systems from Nessus scanning tool
Familiarity with SQL PostgreSQL, and Mongo database operations
Familiarity Atlassian product suite and its operations
Previous experience with Intellj, Postman, VSCode, Node and ChemSketch
Familiarity with Docker container operations
Familiarity with application using for event monitoring and alerting tool to maintain server uptime, log capturing and security events
Requestion DigiCert's and installing the SSL certificates from DigiCert's
Security Clearance Level: must be able to obtain EPA Public Trust Level 4
Preferred
4-6+ years strongly preferred
Experience working on Federal Sector Contracts
Professional Certification(s)
Familiarity with DevOps, ITIL Agile processes
Benefits
Comprehensive benefits and wellness packages
401K with company match
Full flex work weeks
Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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
2026-02-05
2026-01-03
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