Information Systems Security Manager (ISSM)

Responsibilities for this Position

Information Systems Security Manager (ISSM)

ID: 2026-73261

US-ID-Boise

Required Clearance: Secret

Posted Date: 6/30/2026

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:

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 eligibilityrequirements 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 areseekinga highly motivatedInformation Systems Security Manager (ISSM) to join our team. This role will perform the tasks of an Information Systems Security Manager (ISSM) for multiple Department of Defense (DoD) programs. Candidates must be knowledgeable of information technology and security principles. This is a multi-tasking environment that demands customer service, communication, and organizational skills. The candidate will support information system life cycle activities from rapidly establishing systems to support classified proposals, to scoping systems for new programs and preparing Risk Management Framework packages, to regular maintenance, support and upgrades of systems during program execution, to program close-out and de-certification activities.

Duties also may include:

• Serve as Information Systems Security Manager (ISSM) for classified computers in DoD computing environments.
• Maintain day-to-day security posture and continuous monitoring of IS including security event log review and analysis.
• Ensure system security measurescomply withapplicable government policies. Provide configuration management and accurately assess the impact of modifications and vulnerabilities for each system.
• Design, develop, and recommend integrated security solutions for multipleclassifiedIS with various operating systems.
• Prepare andmaintainsecurity Assessment and Authorization documentation (e.g., IA SOP, SSP, RAR,SCTM) including participation in system categorization.
• Ensure the development, documentation, and presentation of IS security education, awareness, and training activities for users and others, asappropriate.
• Apply cyber security standards, directives,guidanceand policies to classified computing environments.
• Investigate security incidents to include data spills, data integrity incidents, and malicious code incidents.
• Ensure system security measurescomply withapplicable government policies, provide configurationmanagementand accurately assess the impact of modifications and vulnerabilities for each system.
• Conduct reviews and technical inspections toidentifyand mitigate potential securityweaknesses, andensure that all security features applied to a system are implemented and functional.
• Provide support to other cybersecurity personnel formaintainingappropriate operationinformation assurance (IA) posture for programs.
• Collaborate with other IA offices to ensure continuity of secure systems operation.

Basic Qualifications:

• Experience as an ISSM/ISSO implementing NIST and DCSA requirements.
• Current Security+ or similar certification
• Be technically familiar with modern MS WindowsandLinuxoperating systems.
• Previousexperience working as a security professional inaclassified environment
• Familiarity conducting vulnerability scans.
• Familiarity with the Risk Management Framework (RMF).
• Strong teamplayer.
• Travel to other corporate sites may berequiredon an as-needed basis.
• 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 $112,593.00 - USD $119,000.00 /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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