Cyber Systems Engineer

Responsibilities for this Position

Cyber Systems Engineer

ID: 2026-74186
US-VA-Manassas
Required Clearance: Secret
Posted Date: 8/11/2026
Category: Engineering-Systems
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.

Basic Qualifications

Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months 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 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

ROLE AND POSITION OBJECTIVES:

The Multipurpose Interface Trainer (MIT) team is a cross functional team responsible for delivering cutting edge training systems to submarine fleets of both the US Navy and Royal Australian Navy. The MIT teams work is fast-paced and exciting; involving the implementation and administration of both on premises and remotely accessible enterprise compute resources running cutting-edge software builds to deliver training for systems and capabilities that are not yet present in the Submarine Fleet. Training is deployed to Navy Bases including San Diego, Pearl Harbor, Bangor, Norfolk, Groton, Kings Bay, and Perth, Australia.

As a Cyber Systems Engineer on the MIT team, you will execute cybersecurity operations across secure, classified environments in support of submarine training systems used by both the US Navy and Royal Australian Navy. You will be responsible for deploying, configuring, and maintaining information systems as well monitoring and maintaining their security posture to support system Assessment and Authorization activities, and ensuring compliance with applicable government security frameworks and standards. The ideal candidate brings developing expertise in cybersecurity engineering, demonstrates initiative on assignments, and is comfortable working with moderate supervision in a mission-focused environment.

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.

Expected Tasking:

• Perform day-to-day operation and maintenance of security controls across classified information systems including SIPRNet and other secure networks.
• Assist with the deployment and configuration of custom and commercial software to information systems both in development and customer deliverable environments.
• Develop and maintain security documentation including System Security Plans (SSPs), Security Assessment Reports (SARs), Plan of Action and Milestones (POA&Ms), and contingency plans for new and fielded information systems.
• Contribute to Assessment and Authorization (A&A) activities including preparing authorization package artifacts and coordinating with Information System Security Managers (ISSMs) and Information System Security Officers (ISSOs).
• Conduct vulnerability scans using ACAS/Nessus and SCAP Compliance Checker, interpret results, and develop and track remediation plans.
• Implement and enforce US Government security standards including NIST, DCSA, and COMSEC requirements on classified information systems.
• Apply and maintain Security Technical Implementation Guides (STIGs) across Linux and Windows-based systems.
• Monitor and respond to cybersecurity events and incidents across the classified environment.
• Support continuous monitoring activities to maintain system Authorization to Operate (ATO).

We encourage you to apply if you have any of these preferred skills or experiences:

• A Bachelor's degree in Cybersecurity, Computer Information Systems, Information Technology, or another related field.
• Foundational understanding of cybersecurity principles, including Risk Management Framework (RMF), STIGs, DIACAP, and government security specifications and guidelines.
• Experience conducting vulnerability assessments and developing remediation plans.
• Experience with Linux and Windows based information systems.
• Familiarity with Assessment and Authorization processes and associated artifact development.
• Written and verbal communication skills, including the ability to clearly report technical findings and security concerns to both technical and non-technical audiences.
• Ability to grasp and apply new information quickly and navigate complex systems and scenarios.
• Takes initiative on assignments with professional execution and little direction required.

What sets you apart:

• A Master's degree in Cybersecurity, Information Assurance, Computer Information Systems, or another related field.
• Current IAT certifications such as Security+, CISSP, CEH, or CASP+.
• Experience with ACAS/Nessus and SCAP Compliance Checker.
• Experience developing RMF authorization packages and working with ISSMs/ISSOs.
• Familiarity with NIST SP 800-53 security controls and DCSA assessment methodology.
• Experience with TACLANE encryption devices from a security and COMSEC perspective.
• Experience with Linux and Windows Server administration and security hardening.
• Demonstrated ability to be creative, innovative, and responsible with solid decision-making skills.
• Team player who thrives in collaborative environments and is committed to meeting and exceeding personal and team commitments.
• Demonstrated leadership ability.
• Strong interpersonal and communication skills with the ability to professionally represent the program.

Our Commitment to You:

• An exciting career path with opportunities for continuous learning and development.
• Research oriented work, alongside award winning teams developing practical solutions for our nations security
• Flexible schedules with every other Friday off work, if desired (9/80 schedule)
• Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
• See more at gdmissionsystems.com/careers/why-work-for-us/benefits

Workplace Options:
This position is fully on-site in Manassas, Virginia.
While on-site, you will be a part of the VAMS03

You may be required to provide early morning support.
Travel of at least 10% will be required.

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 $90,833.00 - USD $100,767.00 /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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