Job Description

Responsibilities for this Position

Cyber Security Analyst - SIEM Engineer

ID: 2026-73100
US-TX-San Antonio
Required Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirements
Posted Date: 6/17/2026
Category: Engineering-Other
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.

Basic Qualifications

Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience.

CLEARANCE REQUIREMENTS:
Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. 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

We are seeking a highly skilled and experienced Cyber Security Analyst / SIEM Engineer to join our SPRINT Next program team in San Antonio, Texas . In this position, you will serve as a security engineer responsible for administering and advancing our enterprise SIEM environment , while ensuring full compliance with DoD and Intelligence Community security frameworks . You will play a hands-on role in both the technical execution and leadership of our cybersecurity monitoring, vulnerability management, and accreditation programs across the full system lifecycle.

What You'll Experience

• Taking ownership and leadership of enterprise SIEM operations and security dashboard development in a high-impact classified defense environment supporting the SPRINT Next program
• Directly influencing program cybersecurity posture through hands-on use of industry-leading tools including Splunk, ACAS/Nessus, and SCAP Compliance Checker
• Part of a dynamic Cyber Security team suporting Assessment and Authorization (A&A) activities and Body of Evidence development that shape program accreditation success
• Collaborating with program leaders, engineers, and government customers to deliver meaningful security solutions aligned to mission needs
• A strong opportunity for professional impact and growth within a senior-level cybersecurity engineering role on a mission-critical defense program

What You Bring to the Table

• 8+ years of hands-on Information Assurance and cybersecurity engineering experience, with demonstrated knowldge of security documentation and requirements analysis
• Proven expertise as a Splunk Administrator and Dashboard Developer , designing and maintaining dashboards that meet NIST and JSIG cybersecurity 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 the development and maintenance of Body of Evidence (BoE) 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.
• Demonstrated familiarity with government security standards including ICD 503, NISPOM, NIST 800-53, and DIACAP, RMF

What Sets You Apart

• CISSP certification is strongly preferred and reflects the senior level of expertise this role demands
• Splunk certifications such as Splunk Core Certified Power User or Administrator highlight your technical depth in SIEM operations
• Experience security planning, cost, and risk analyses at the program level within a classified DoD or Intelligence Community environment
• Experience supporting environmentsbased on Joint Special Access Program (JSIG) in implementation of Risk Management Framework (RMF).
• Ability to synthesize complex compliance requirements into auditable, practical security solutions that satisfy both technical and customer expectations
• Srong and proven hands-on experience with UNIX/LINUX command-line security audits.
• Strong and proven technical knowledge of UNIX/LINUX and Windows operating systems.
• Familiarity with additional SIEM platforms such as IBM QRadar or Microsoft Sentinel further strengthens your ability to bring broad security monitoring expertise to the team

INTERFACE:

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

A minimum Must meet DoD 8570.1/8140 certification requirements with CE at the IAM Level II or IAT Level III baseline or above.

Workplace Options: This position is based 100% on-site in San Antonio, Texas.

#CJ3

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $142,696.00 - USD $158,303.00 /Yr.

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 12,000+ 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!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

PI285334965

Job Tags

Full time, Flexible hours

Similar Jobs