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General Dynamics
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January 28, 2026
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Cyber Security Analyst

USA-TX-San Antonio
Full-time
Onsite
$100K/yr - $111K/yr
Entry, Mid Level
General Dynamics Mission Systems is seeking a Cybersecurity Analyst in San Antonio, Texas. The role involves contributing to technology that supports national defense and intelligence services, while collaborating with customers to develop solutions for national security missions.
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Responsibilities

  • Participate in national-level security assessment and authorization (A&A) activities
  • Analyze and troubleshoot security anomalies using network traffic, log files, and automated alerts
  • Analyze and test security requirements within the lab environment for candidate upgrades and enterprise releases
  • Create and manage security documentation for accreditation activities
  • Develop security policies and procedures and maintain network security platforms

Qualification

Required

  • Requires a Bachelor's degree in Engineering, or a related Science, Technology or Mathematics field
  • Also requires 2+ years of job-related experience or a Master's degree and 6 months of job-related experience
  • Department of Defense TS/SCI security clearance is required at time of hire
  • Candidates must be able to obtain a Polygraph within reasonable amount of time
  • 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
  • Hands-on experience with UNIX/LINUX command-line security audits
  • Familiarity with IT government security standards (ICD 503, JSIG, NISPOM, NIST, DIACAP, RMF)
  • Experience with security tools like Splunk, Nessus, SCAP Compliance Checker, Clearswift, and VMware
  • Experience with preparing, reviewing, and submitting Cybersecurity documentation for classified programs

Preferred

  • Current CISSP certification preferred or other DoD 8570.1 IAM-II or IAT-III or above certification
  • Experience with DoD classified IT system security
  • Ability to create detailed security documentation and reports
  • Strong problem-solving skills and the ability to handle complex security challenges
  • Excellent communication skills for briefings and presentations
  • Strong experience with documenting test environments, requirements, results and POAM resolution
  • Experience supporting environments based on Joint Special Access Program (JSIG) in implementation of Risk Management Framework (RMF)
  • Experience creating and modifying SPLUNK Dashboards and other SIEM related tools

Benefits

  • Competitive benefits
  • Continuous learning and professional development
  • Flexible work environment where contributions are recognized and rewarded
General Dynamics is a defense industry contractor for shipbuilding, marine, combat and defense systems and, munitions.
Glassdoor
3.7
Founded in 1899
Falls Church, Virginia, USA
10001+ employees
https://www.gd.com
General Dynamics is a defense industry contractor for shipbuilding, marine, combat and defense systems and, munitions.
Glassdoor
3.7
Founded in 1899
Falls Church, Virginia, USA
10001+ employees
https://www.gd.com