Assessment & Authorization Engineer

USA-TX-San Antonio
1 month ago
Job ID
Required Clearance
TS/SCI, obtainable with Polygraph within 24 months
Employment Type
Full Time

Basic Qualifications

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


This position requires a minimum of an active TS/SCI clearance. Must be willing and able to obtain a polygraph within a reasonable amount of time after hire, with acceptable timing determined by manager. 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.




The successful Assessment & Authorization Engineer must have:

  • Hands on experience with command line UNIX/LINUX security audits
  • Experience working with DoD classified IT system security configuration and processes is highly desirable
  • Working technical knowledge of UNIX/LINUX and Windows operating systems commands and utilities
  • Be well versed in IT government security accreditations and certification IAW ICD 503, NISPOM, NIST, DIACAP, RMF and other approved government IT security standards, policies and directives
  • Extensive hands on test experience with UNIX/LINUX within a lab environment
  • Strong experience with documenting test environments, requirements, results and POAM resolution
  • Candidates must be able to travel 25% of the time
  • Applicants must meet DoD 8570.1 certification requirements for IAM-III (CISSP, CISM, or GSLC)

Responsibilities for this Position

General Dynamics Mission Systems (GDMS), a market leader and technology innovator, is seeking talented professionals to deliver cutting edge solutions to our customers.


Do you want to be a part of an IT Security team supporting our Nation's Cyber initiatives? Do you want to challenge your IT Security skills and experience by supporting multiple Communities of Interests?  If so, General Dynamics Mission Systems (GDMS) has an exciting career opportunity for you as an Assessment & Authorization Engineer at our San Antonio, Texas location.


The Assessment & Authorization (A&A) Engineer’s responsibilities include security system deployments, configuration, monitoring, reporting and assessment & authorization activities. This position will have a lead role in working with operations and development teams on remediation and mitigation of findings. The A&A Engineer’s primary role will be to lead A&A activities, provide support to planning, designing and implementing security controls which safeguard and monitor events for information systems, enterprise applications and data.  In addition, s/he will:

  • Participate in and/or Lead national level A&A activities
  • Analyze, troubleshoot, and investigate security-related, information system anomalies based on security platform reporting, network traffic, log files, host-based and automated security alerts
  • Effectively navigate the LINUX operating system via the command line utility
  • Create security documentation for the use of National Level accreditation activities
  • Conduct and manage continuous monitoring activities to validate network configuration post accreditation and report/correct findings
  • Author policies and procedures based on customer security standards and specific community requirements
  • Perform detailed, in depth Linux command line audit analysis as required
  • Maintain, configure, and analyze network and host-based security platforms
  • Conduct vulnerability scanning and analysis of systems and tools
  • Verify file and system integrity and software
  • Monitor firewall and network access controls lists
  • Monitor web and E-mail proxy and filtering systems
  • Evaluate systems using vulnerability scanners and manual techniques to verify system security settings and configurations
  • Provide reoccurring reports for network and host-based security solutions
  • Participate in continuous improvement processes
  • Maintain and update relevant system and process documentation and develop ad-hoc reports as needed
  • Assist in the development of security tools, trials, evaluations, and security operation procedures and processes
  • Establish and maintain a strong working relationship with all team members
  • Provide off-hours support on an infrequent, but as needed basis
  • Successfully manage time and technical responsibilities, set accurate expectations and meet deliverable deadlines while working in a team and information sharing environment
  • Conduct briefings and provide metrics as required by executive management
  • Prepare presentations and provide a level of technical detail as required
  • Review, analyze, investigate cross domain audits
  • Use command-line level activities to configure, troubleshoot, analyze and navigate system level actions
  • Assign access level and/or privileges based on user’s need to know
  • Enforce Enterprise level established security policies
  • Validate Cross Domain profiles against site security levels of processing
  • Develop Cross Domain security policies and procedures
  • Create Insider Threat reports showing statistical privileged use data
  • Generate incident reporting documentation

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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