General Dynamics Mission Systems is seeking a Cyber Security Analyst / SIEM Engineer to join the SPRINT Next program onsite in San Antonio, Texas. This role centers on administering and advancing the enterprise SIEM environment while leading cybersecurity monitoring, vulnerability management, and accreditation activities within a DoD/IC classified defense program. The position requires TS/SCI eligibility and DoD 8570.1/8140 certification, with an emphasis on hands-on security engineering in a mission-critical setting.
Responsibilities
- Own and lead enterprise SIEM operations and security dashboard development within a high-impact classified defense environment supporting SPRINT Next.
- Directly influence the program's cybersecurity posture through hands-on work with tools such as Splunk, ACAS/Nessus, and SCAP Compliance Checker.
- Contribute to a dynamic Cyber Security team supporting Assessment and Authorization activities and Body of Evidence development to drive accreditation success.
- Collaborate with program leaders, engineers, and government customers to deliver security solutions aligned to mission needs.
- Leverage the senior cybersecurity engineering role to make a meaningful impact and pursue professional growth on a mission-critical defense program.
Requirements
- Bachelor's degree in Engineering or a related Science or Mathematics field, plus at least 8 years of relevant experience; or Master's degree with at least 6 years of relevant experience.
- Current or active DoD Top Secret clearance with SCI eligibility, plus the ability to obtain a Polygraph; U.S. citizenship required and subject to government security investigations for access to classified information.
- DoD 8570.1/8140 certification requirements with CE at the IAM Level II or IAT Level III baseline or above.
- 8+ years of hands-on Information Assurance and cybersecurity engineering experience, including knowledge of security documentation and requirements analysis.
- Proven expertise as a Splunk Administrator and Dashboard Developer, designing dashboards that meet NIST and JSIG control requirements.
- Hands-on proficiency with ACAS/Nessus vulnerability scanning and SCAP Compliance Checker for continuous monitoring, assessments, and STIG validation.
- Strong working knowledge of RMF processes, including Body of Evidence documentation and support for full A&A/C&A lifecycle activities.
- Hands-on experience with UNIX/LINUX command-line security audits, and knowledge of UNIX/LINUX and Windows operating systems.
- Familiarity with government security standards including ICD 503, NISPOM, NIST 800-53, and DIACAP, RMF.
Technologies
- Splunk
- ACAS/Nessus
- SCAP Compliance Checker
- RMF
- JSIG
- UNIX, Linux, Windows
- IBM QRadar
- Microsoft Sentinel
- NIST 800-53
- ICD 503
- NISPOM
- DIACAP
Benefits
- Highly competitive benefits package.
- Flexible work environment where contributions are recognized and rewarded.
Interface
- Primary interfaces include the Government Program Information Systems Security Manager (ISSM), Operational Team Leads, internal customers, external customers, and suppliers.
Workplace options
This position is based 100 percent on-site in San Antonio, Texas.
Salary
Combined Salary Range: USD 142,696.00 - USD 158,303.00 per year.
Company overview
General Dynamics Mission Systems engineers a diverse portfolio of high-technology solutions, products, and services that enable customers to execute missions across all domains. With a global team of 12,000+ professionals, the company partners with industry leaders to push the boundaries of innovation within defense and scientific fields. The organization values trust, honesty, alignment, and transparency, and offers competitive benefits to its employees.