Linux System Administrator / Cybersecurity Professional

Responsibilities for this Position

Linux System Administrator / Cybersecurity Professional

ID: 2026-70818
USA-NC-McLeansville
Required Clearance: Secret
Posted Date: 2/16/2026
Category: Engineering-Software
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.


Basic Qualifications

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

Responsibilities for this Position

What you will be doing

• Support engineering development and maintenance of programs
• Linux system administration
• Network equipment (primarily Cisco) setup and maintenance
• Design and implementation of cybersecurity solutions
• Works well in a team, can accept direction and constructive criticism
• Independently identifies tasks or projects that need to be done and effectively prioritizes time to complete multiple assignments
• Conducts project planning, cost analysis and vendor comparisons
• Willingness to support both domestic and international travel up to 10%
• Holds ownership by identifying alternatives in the midst of barriers to progress
• Supports continuous improvement initiative

What we would like you to bring to the table (skills, knowledge, and experience)

• Experienced in Linux System Administrator for small/medium size networks
• Understanding of vulnerability and compliance scanning, analysis of the scan results, and security patching specifically for the DoD
• Working knowledge of Linux hardening
• Familiarity with cyber security specifications such as Risk Management Framework (RMF), STIGs, and other government security specifications and guidelines.
• Network architecture and the application of network setup (LAN, NICs, Router Configurations)
• Experienced in Cisco equipment for small/medium size networks
• Hands-on experience setting up networks, including servers, network infrastructure equipment, and network end devices
• Ability to work alone or in a team environment
• Demonstrates ability to move into new teams and quickly learn project defined specific process while applying past knowledge and experience
• Proven documentation skills and technical writing
• Communicating technical information clearly so that it may be understood by a non-technical individual

Preferred experience and certifications

• Bachelors degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 5 years of relevant experience
• Linux system administration, RHCSA a bonus
• Network+/Security+ or equivalent experience, CISSP a bonus
• Cisco experience, CCNP a bonus
• Experience with general network administration, Server+/Linux+ a bonus

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 $105,814.00 - USD $114,494.00 /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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General Dynamics Mission Systems is a technology integrator and original equipment manufacturer that provides mission critical solutions across ground, sea, air, space and cyberspace.

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