Operations Linux System Administrator - Web/DB/Cloud

Responsibilities for this Position

Operations Linux System Administrator - Web/DB/Cloud

ID: 2026-73103
US-TX-San Antonio
Required Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirements
Posted Date: 6/17/2026
Category: Engineering-Other
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.

Basic Qualifications

Master's degree, plus 3 years of relevant experience. Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 5 years of relevant experience.

CLEARANCE REQUIREMENTS:
Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required .

Responsibilities for this Position

J oin the dynamic SPRINT Next Team as a Linux Systems Administrator specializing in Red Hat and PitBull technologies with an emphasis on web servers, databases, and cloud-based infrastructure knowledge.

What You'll Experience

• Hands-on administration of enterprise-level Red Hat Linux environments based on the GDMS Pitbull Operating System (OS) , including web servers, database platforms, and cloud-based systems supporting a classified national security program
• Deploying, maintaining, and optimizing widely used databases in Linux environments such as PostgreSQL, Oracle, and other enterprise database platforms
• Supporting and maintaining cloud-based systems and infrastructure , including deployment and management across major cloud service providers such as AWS, Microsoft Azure, and Google Cloud Platform
• Working alongside a talented cross-functional team to deliver innovative and continuously improving solutions that exceed system performance metrics
• A strong opportunity for professional growth and development within a dynamic and mission-critical defense environment in San Antonio, Texas

What You Bring to the Table

• Strong hands-on experience with Red Hat Linux command line administration , including system and server builds, advanced troubleshooting, and performance tuning
• Proven experience administering Linux-based web servers such as Apache, NGINX, or Tomcat, and supporting enterprise database platforms including PostgreSQL, Oracle, MySQL, or MariaDB in a Linux environment
• Demonstrated experience supporting and maintaining cloud-based systems and deploying services across major cloud platforms such as AWS, Microsoft Azure, or Google Cloud
• Proficiency in applying Security Technical Implementation Guides (STIGs) and addressing system vulnerabilities to maintain a secure and compliant environment
• A minimum of an IAT Level II (DoD 8570/8140.01) certification is required at time of hire, such as CompTIA Security+, GSEC, SSCP, or CCNA-Security

What Sets You Apart

• Expertise in web technologies and frameworks commonly deployed in Linux environments, including experience with containerization tools such as Docker and Kubernetes
• Proficiency with automation tools including Ansible, Ansible Tower/Ansible Automation Platform (AAP), and Red Hat Satellite , including the ability to create and maintain Ansible Playbooks
• Experience with cloud-native services and deployment pipelines , including infrastructure as code (IaC) tools such as Terraform or CloudFormation
• Hands-on experience re-imaging both physical and virtual servers and managing enterprise workstations and peripherals in a high-tempo operational environment
• A proactive, detail-oriented, and collaborative team player who identifies opportunities to apply AI for continuous improvement and innovation

A minimum of an IAT Level II (DoD 8570/8140.01) certification with CE is required at time of hire: e.g. CompTIA Security+, GSEC, SSCP, and CCNA-Security

Workplace Options:

• This position is fully on-site at the GDMS San Antonio location.

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $111,123.00 - USD $120,239.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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