Information Systems Security Officer (ISSO)

Pittsfield, MA DEFENSE Full-time Posted Aug 7, 2026
Apply on General Dynamics Mission Systems (opens in a new tab) Sourced via careers-gdms.icims.com · Posted 2026-08-07

About this role

General Dynamics Mission Systems is hiring a Information Systems Security Officer (ISSO), full-time, on-site in Pittsfield, MA, in the DEFENSE sector.

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:Ability to obtain a Department of Defense Top 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

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!

Description from General Dynamics Mission Systems's official posting. Always confirm details on the company careers page.

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About General Dynamics Mission Systems

General Dynamics Mission Systems

Company in the mobility sector tracked nightly on the Mobility Jobs board.

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About Larry Sherwood Jr.

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