Information Systems Security Officer (ISSO)
General Dynamics Mission Systems
Pittsfield, MA · Posted August 4, 2026
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Security jobs in the rankings
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among information security analysts, AI is already used for a large share of the tasks. Measured exposure for information security analysts: 49% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
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 Top Secret security clearance obtainable within reasonable time based on requirements. 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
At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be front and center on projects that impact the world. Are you up to the challenge? 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.
As an Information Systems Security Officer (ISSO) for classified systems at General Dynamics Mission Systems, you will ensure the security and integrity of classified information systems. You will work closely with cross-functional teams to implement and maintain robust security measures. In this role, you will develop, implement, and maintain security policies and procedures, conduct risk assessments, and manage security-related documentation. You will monitor and evaluate system compliance with security requirements, provide guidance on information security best practices, and ensure adherence to government and industry standards. Additionally, you will perform security audits, manage incident response activities, and collaborate with other security professionals to address and mitigate security risks. This role requires excellent problem-solving skills, attention to detail, and the ability to work effectively in a collaborative team environment. Are you ready to make a difference?
What you’ll experience:
Technologies that aren’t just top-notch, they’re often top-secret
A team of bold thinkers committed to exploring what’s next
Opportunities to gain new knowledge - as it’s discovered
What you bring to the table:
Experience developing System Security Plans (SSP) and all supporting Assessment and Authorization documentation such as Security Assessment Reports, SCTM’s and POA&M’s
Experience with eMASS and Service NOW (SNOW) risk management and compliance automation tools
Experience with various system security assessment/hardening tools - SCAP Compliance Checker, STIG Viewer, ACAS/Nessus, etc
Trained and proficient in Assured File Transfer (AFT) procedures
Self-starter with the ability to operate independently with minimal supervision
Department of Defense Top Secret clearance required at time of hire and Top Secret obtainable within a reasonable time frame based on requirements.
What sets you apart:
Outstanding communications skills
Ability to work collaboratively in a cross-functional team throughout the system life cycle
DoD 8570 or 8140 Certification meeting IAM Level II (e.g., CISSP, CAP, etc.)
Demonstrated comprehensive knowledge of the NISPOM-DAAPM, NIST SP 800-53, and NIST 800-171
The qualified candidate shall:
Execute or support the execution of A&A activities, including development of required security documentation, including items such as System Security Plans, Security Assessment Reports, SCTM’s and POA&M’s
Perform weekly system audit reviews, media reviews, hardware/software configuration management
Execute security testing and evaluation to ensure correct implementation of security controls
Support the assessment and mitigation of vulnerabilities throughout a systems life cycle
Conduct IA security education training for all system users on appropriate risk mitigation strategies
Perform incident response and cleanup actions, when necessary, per company or customer directions
Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and procedures outlined in the System Security Plan (SSP)
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