Information System Security Officer (ISSO)

Responsibilities for this Position

Information System Security Officer (ISSO)

ID: 2026-73013
US-VA-Manassas
Required Clearance: Top Secret, obtainable within reasonable time based on requirements
Posted Date: 6/10/2026
Category: Information Technology
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 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.

CLEARANCE REQUIREMENTS: Ability to obtain a 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

The Information Assurance Engineer supports the system security design effort, security requirements analysis, and security requirements flow down to the program element. The role involves executing security testing, developing security documentation, and participating in Assessment and Authorization (A&A) activities to ensure the correct implementation of security requirements.

Knowledge, Skills and Abilities:

Proficient use and understanding of systems engineering concepts, principles, and theories

Proficient understanding of cyber security specifications such as Risk Management Framework (RMF), DIACAP, STIGs and other government security specifications and guidelines

Proficient knowledge of cyber security technology and trends

Contributes to the achievement of business objectives

Recognizes and incorporates various security designs and lessons learned

Strong written and verbal communications skills

Able to sell concepts and ideas

Proficient ability in communicating issues, impacts, and corrective actions as they affect the cyber design and implementation

Proficient ability to clearly report relevant cyber systems engineering design

Regular contact with senior levels of internal security work groups

Ability to participate in or lead security work groups

Works under limited direction

Contact with project leaders and other professionals within the Engineering department and with project teams

Maintains contact with the external customers security professionals

Creative thinker, good multi-tasker

Proficient in Microsoft Office applications

Must be able to obtain a Secret Clearance

Must be have an IAM Certification (i.e., CGRC, CISM, CISSP, Security+)

Identifies opportunities to apply AI for continuous improvement and innovation

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 $124,216.00 - USD $131,009.00 /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

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