Linux Platform Security Engineer

3 weeks ago(1/2/2018 12:44 PM)
Job ID
Required Clearance
TS/SCI, obtainable within 24 months
Employment Type
Full Time
Hiring Company
General Dynamics Mission Systems

Basic Qualifications

Bachelor's degree in software engineering or a related technical field is required (or equivalent experience), plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience. Agile experience preferred. 


Qualifications and experience required:

  • RedHat Linux Security Expert
  • Proven depth and breadth of Linux security development and test experience dealing with key operating system areas such as boot time configurations, secure protocols, authentication modules, file integrity assessment, access controls, environment settings, logging, and audit
  • Strong scripting abilities (ex. Python, Bash, Perl, etc.)
  • A Bachelor’s degree and 3 years of professional work experience, or a Master's degree and 1 year of professional work experience
  • Troubleshooting difficult problems, sharing knowledge and mentoring others
  • Active Top Secret Clearance
  • SELinux experience is a benefit
  • Experience with virtualization technologies is a benefit
  • Knowledge of cross domain solutions is a benefit


Department of Defense TS/SCI security clearance is required within a reasonable time after hire date. 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

General Dynamics Mission Systems has an immediate opening for a Linux Platform Security Engineer.  This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation’s core defense/intelligence services and systems.  General Dynamics Mission Systems employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions.



  • Performs software requirements analysis, system integration activities, leads research, designs, develops and tests software and tools, to include development of new work products or enhancing existing applications, systems or embedded products
  • Performs technical planning, verification and validation of others work, cost and risk analysis, and supportability and effectiveness analyses for total systems
  • Performs analysis for all levels of total system product to include concept, design, architecture, user experience, test, installation, operation, maintenance
  • Applies principles and techniques of computer science, engineering, and mathematical analysis to the development of complex solutions
  • Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints 
  • Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into software solutions utilizing whatever development life-cycle techniques or model will yield the optimal results (Agile, Waterfall, etc.)
  • Researches and analyzes data, such as customer design proposals, market trends, state of technology and industry, specifications and manuals to determine feasibility of design or application
  • Applies and champions the appropriate standards, processes, procedures, and tools throughout the system development life cycle to support the generation of technical engineering products
  • Participates as a Subject Matter Expert in internal review of software components and systems
  • Receives no appreciable instruction on day-to-day work
  • More often responsible to define the scope, schedule and expectations for the work they execute or lead
  • Exercises latitude in determining technical objectives of assignments for self and teams
  • Accountable to lead and guide the completion of major programs and projects
  • Responsible for resolution of significant and diverse range of complex problems and issues of broad scope and complexity which require the use of ingenuity and creativity
  • Erroneous decisions or recommendations, or failure to accomplish results or errors typically will negatively impact business segment financial results and cause business segment to fail to achieve organizational objectives
  • Provides leadership and/or direction and/or supervision to lower level employees and teams


Specific responsibilities will include:

  • Work with the System Architect and Platform/Infrastructure Lead to design and implement OS security controls uniformly across system servers.
  • Assist in the development and test of security related aspects of the system including logging, auditing, authentication, access control, and integrity monitoring
  • Assist with identifying and defining system OS security requirements
  • Create and maintain scripts and installation packages to apply baseline security configuration settings
  • Document procedures, methods, and supplemental material for the development and test of platform/infrastructure components
  • Develop and apply hardening processes/tools for the platform/infrastructure components
  • Work with other teams to ensure platform/infrastructure hardening and security maintenance procedures are followed and understood
  • Analyze vulnerability assessment results to decide upon mitigation strategies


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 13,000+ 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!


General Dynamics is an Equal Opportunity/Affirmative Action Employer that is committed to hiring a diverse and talented workforce.  EOE/Disability/Veteran


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