Information Systems Security Officer (ISSO) at Mission Systems – Pittsfield, Massachusetts

Information Systems Security Officer (ISSO)

ID: 2026-71797
US-MA-Pittsfield
Required Clearance: Secret, obtainable within reasonable time based on requirements
Posted Date: 4/8/2026
Category: Information Technology
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications

Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related 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

We are seeking a highly motivated Information Systems Security Officer (ISSO) to join our team’s Pittsfield MA office. This role will perform the tasks of an Information Systems Security Officer (ISSO) 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 Officer (ISSO) 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 measures comply with applicable 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 multiple classified IS with various operating systems.

Prepare and maintain security 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, as appropriate.

Apply cyber security standards, directives, guidance and policies to classified computing environments.

Investigate security incidents to include data spills, data integrity incidents, and malicious code incidents.

Ensure system security measures comply with applicable government policies, provide configuration management and accurately assess the impact of modifications and vulnerabilities for each system.

Conduct reviews and technical inspections to identify and mitigate potential security weaknesses, and ensure that all security features applied to a system are implemented and functional.

Provide support to other cybersecurity personnel for maintaining appropriate operation information 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 Windows and Linux operating systems.

Previous experience working as a security professional in a classified environment

Familiarity conducting vulnerability scans.

Familiarity with the Risk Management Framework (RMF).

Strong team player.

Travel to other corporate sites may be required on an as-needed basis.

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 $118,519.00 - USD $131,482.00 /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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