Advanced IT Security Specialist

ID: 2026-74625
US-IL-Scott AFB
Required Clearance: Secret
Posted Date: 8/27/2026
Category: Cyber
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications

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

Clearance Requirements:

Department of Defense Secret security clearance 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

What You’ll Experience:

• Hands-on work with the system development life cycle and Risk Management Framework (RMF).
• Implementing Security Technical Implementation Guides (STIGs) and running security assessments of a mission critical system.
• Building RMF documentation, including security plans, testing plans, and compliance analysis.
• Conducting vulnerability scans and compliance checks in a DevSecOps environment.
• Collaborating with teams, customers, and stakeholders to solve complex cybersecurity challenges.

What You Bring to the Table:

• Expertise in software engineering and cybersecurity frameworks like NIST SP 800-37 and 800-53.
• Experience with STIGs, security policies, and vulnerability assessments for different systems and devices.
• Hands-on technical experience with Red Hat Enterprise Linux, Application Security and Development (ASD) STIG, static code analysis
• Proficiency in developing RMF documentation and performing compliance scans.
• Excellent communication skills and the ability to work with diverse teams and stakeholders.
• A Secret security clearance (Top Secret preferred), plus an active Security+ or CISSP certification.

What Sets You Apart:

• Participation in cybersecurity working groups and Agile teams.
• A self-starter mindset with creative problem-solving skills.
• Strong proficiency in Microsoft Office and security tools.
• Identifies opportunities to apply AI for continuous improvement and innovation.

Location & Requirements:

• • This position is on-site at Scott Air Force Base, near St. Louis MO.
  • Must meet the security clearance and certification requirements stated above.

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 $101,357.00 - USD $109,672.00 /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

#GDMS-US#