Cyber Security Analyst - SIEM Engineer

The Cyber Security Analyst and SIEM Engineer supports the SPRINT Next program by administering and advancing the enterprise SIEM environment, while leading cybersecurity monitoring, vulnerability management, and accreditation activities within a DoD/IC classified defense program. Located in San Antonio, Texas, this on-site role requires TS/SCI eligibility and DoD 8570.1/8140 certification.

Responsibilities

• Own and guide enterprise SIEM operations and security dashboard development within a high-impact classified defense setting supporting the SPRINT Next program.
• Directly influence the program's cybersecurity posture through hands-on use of industry tools such as Splunk, ACAS/Nessus, and SCAP Compliance Checker.
• Support Assessment and Authorization activities and contribute to Body of Evidence development to drive accreditation success.
• Collaborate with program leaders, engineers, and government customers to deliver security solutions aligned to mission requirements.
• Position yourself for meaningful impact and professional growth in a senior cybersecurity engineering role 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 Department of Defense Top Secret clearance with SCI eligibility and the ability to obtain a Polygraph.
• U.S. citizenship is required, subject to a government security investigation and eligibility requirements 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 and maintaining dashboards that meet NIST and JSIG control requirements.
• Hands-on proficiency with ACAS/Nessus vulnerability scanning and SCAP Compliance Checker for continuous monitoring, system assessments, and STIG validation.
• Strong working knowledge of RMF processes, including development and maintenance of Body of Evidence documentation and support of full A&A/C&A lifecycle activities.
• Hands-on experience with UNIX/LINUX command-line security audits.
• Technical 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
• Flexible work environment where contributions are recognized and rewarded

Interface

• Primary interfaces are the Government Program Information Systems Security Manager (ISSM), Operational Team Leads, internal customers, external customers, and suppliers
• Establish and maintain strong working relationships with all team members and across teams

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 /Yr.

Salary Note

This estimate reflects typical salary range for the position based on experience and other factors such as location. Actual compensation may vary.

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 operation domains. With a global team of more than 12,000 professionals, GDMS partners with industry leaders to push innovation in defense and scientific fields. The organization values trust, honesty, alignment, and transparency, and offers competitive benefits.