Information Systems Security Manager (ISSM)

Responsibilities for this Position

Information Systems Security Manager (ISSM)

ID: 2026-74358
US-MA-Pittsfield
Required Clearance: TS/SCI
Posted Date: 8/19/2026
Category: Information Technology
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.

Basic Qualifications

Master's degree, plus a minimum of 6 years of relevant experience. Bachelor's degree in a related specialized area or equivalent relevant experience is required, plus a minimum of 8 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

Imagine a world-class engineering environment. Now add a team of exceptional talent along with technologies that are so advanced theyre often classified. Thats what youll find at General Dynamics Mission Systems. Here youll lead amazing engineers as they invent the technologies, products and services that help our service members, intelligence analysts and first responders keep our nation safe. If you want the chance to lead, its time to bring your talent to General Dynamics Mission Systems.

We apply advanced technologies such as Artificial Intelligence, Blockchain, AR/VR, Cloud Native and Quantum Physics to solve our customers missions in cyber, RF, undersea, interstellar and everything in between.

Providing security engineering and integration services to customers, youll develop and execute security controls, defenses and countermeasures to intercept and prevent internal or external attacks or attempts to infiltrate company email, data, e-commerce and web-based systems. Youll also research attempted or successful efforts to compromise systems security and design countermeasures, maintain hardware, software and network firewalls and encryption protocols and administer security policies to control physical and virtual access to systems.

As an Information Systems Security Manager (ISSM) supporting Information Assurance at General Dynamics Mission Systems, you will lead the cybersecurity, assessment and authorization (A&A), and compliance activities for classified information systems. You will serve as the primary security representative for the program, providing security leadership across the system life cycle and coordinating directly with program leadership, system stakeholders, internal security organizations, and government customers.

In this role, you will oversee the implementation, operation, maintenance, and continuous monitoring of system security controls; manage security documentation; assess and mitigate cybersecurity risks; and ensure systems remain compliant with applicable government, customer, and company requirements. You will lead security audits, incident-response activities, security training, and customer engagements while working closely with cross-functional engineering, IT, configuration management, and program teams.

This role requires strong leadership, sound judgment, exceptional attention to detail, and the ability to communicate effectively with technical teams and government customers in a collaborative, mission-focused environment.

Are you ready to make a difference?

What Youll Experience

• Technologies that are not just top-notchthey are often top-secret.
• A team of bold thinkers committed to exploring what is next.
• Opportunities to gain new knowledge as it is discovered.
• A highly visible security leadership role supporting a critical SAP/SCI program and customer mission.

What You Bring to the Table

• Experience developing and maintaining System Security Plans (SSPs) and supporting Assessment and Authorization (A&A) documentation, including Security Assessment Reports (SARs), Security Controls Traceability Matrices (SCTMs), and Plans of Action and Milestones (POA&Ms).
• Experience with system security assessment and hardening tools, including SCAP Compliance Checker, STIG Viewer, ACAS/Nessus, and similar tools.
• Experience conducting security control assessments, vulnerability reviews, security audits, and compliance monitoring.
• Training and proficiency in Assured File Transfer (AFT) procedures.
• Ability to work independently, prioritize competing requirements, and lead security activities with minimal supervision.

What Sets You Apart

• Outstanding written, verbal, and customer-facing communication skills.
• Demonstrated ability to lead and collaborate with cross-functional teams throughout the system life cycle.
• DoD 8570/8140 certification meeting IAM Level II requirements, such as CISSP, CGRC, or equivalent.
• Comprehensive knowledge of the NISPOM, NIST SP 800-53, and NIST SP 800-171 requirements.
• Experience serving as an ISSM or leading information-system security activities for classified programs.
• Ability to effectively engage government customers, communicate system security posture, and support customer reviews, assessments, and authorization decisions.

The Qualified Candidate Shall

• Serve as the ISSM responsible for oversight of information-system security activities for the Program.
• Lead and support A&A activities, including the development, maintenance, review, and submission of required security documentation, such as SSPs, SARs, SCTMs, and POA&Ms.
• Act as a primary security interface with government customers, program leadership, engineers, system administrators, and internal security stakeholders.
• Ensure security controls are implemented, assessed, documented, and maintained in accordance with applicable customer, government, and internal security requirements.
• Perform and document weekly system audit reviews, media reviews, and hardware/software configuration-management reviews.
• Execute or oversee security testing and evaluation activities to verify the effective implementation of required security controls.
• Support the identification, assessment, tracking, and mitigation of vulnerabilities and risks throughout the system life cycle.
• Manage POA&M development and status, ensuring corrective actions are documented, prioritized, tracked, and communicated to appropriate stakeholders.
• Conduct and coordinate information assurance and security education training for system users, emphasizing appropriate risk-mitigation practices and user responsibilities.
• Lead or support incident-response, reporting, containment, cleanup, and recovery actions in accordance with company and customer direction.
• Ensure systems are operated, maintained, modified, and disposed of in accordance with approved SSPs and internal security policies and procedures.
• Support customer assessments, inspections, technical exchanges, and recurring security-status discussions.
• Provide timely security-status reporting to program leadership and customers, including risks, vulnerabilities, compliance posture, and corrective-action progress.

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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 $126,862.00 - USD $137,269.00 /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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