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Digital Hardware Design Engineer Co-op (Summer/Fall 2027)(Onsite)
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General Dynamics Mission Systems, Inc

Advanced Information Assurance Engineer

Manassas, VA, United States

Combined Salary Range USD $112,924.00 - USD $125,275.00 /Yr.

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Job details

Pay: Combined Salary Range USD $112,924.00 - USD $125,275.00 /Yr.
Apply by: Nov 5, 2027
Posting language: English
Posted: Nov 5, 2026

Original job description

Basic Qualifications

Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years 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

As a Cybersecurity / Endpoint Security Engineer, you will apply proficient cybersecurity and systems engineering knowledge to implement, administer, test, and maintain endpoint detection and response (EDR) and extended detection and response (XDR) systems while contributing to broader cybersecurity and Information Assurance activities. You will collaborate with systems, infrastructure, integration, test, and cybersecurity teams to analyze, implement, and verify security requirements within Department of Defense computing environments.

Approximately 50–75% of this position will focus on EDR/XDR engineering activities, including installation and configuration of COTS security products, endpoint management systems, policy development, security testing, troubleshooting, upgrades, and maintenance. The remaining effort will include vulnerability and configuration scanning, analysis and reporting of findings, remediation tracking, collection of objective evidence, and development and coordination of cybersecurity documentation.

This position requires the ability to plan and execute assigned security engineering tasks independently, exercise sound technical judgment, and coordinate resolution of system security concerns with multidisciplinary engineering teams.

What you’ll experience:

Implementing, configuring, testing, and administering EDR/XDR technologies across Windows and Linux environments
Developing and implementing system security policies based on system and cybersecurity requirements
Planning and executing security testing and evaluating the implementation of security requirements
Assessing vulnerability and configuration findings, recommending corrective actions, and verifying remediation
Developing and maintaining security documentation and supporting technical evidence
Contributing to security requirements analysis, system security design, and Assessment and Authorization (A&A) activities
Collaborating with project leaders and multidisciplinary engineering teams to complete system security activities

What you bring to the table:

Proficient understanding and application of systems engineering and cybersecurity concepts, principles, and practices
Working knowledge of Windows and/or Linux operating systems, containerized workloads, and fundamental system administration practices
Practical experience installing, configuring, maintaining, and troubleshooting COTS software
Familiarity with cybersecurity specifications and guidance, including Risk Management Framework (RMF), DISA STIGs, and other government security requirements, and the ability to apply applicable guidance to assigned tasks
Proficient understanding of security testing, verification, and validation processes
Ability to independently investigate software, service, configuration, and connectivity issues and verify corrective actions
Ability to assess technical and cybersecurity findings, recognize system security risks, and clearly communicate concerns and recommended actions
Proficient written and verbal communication skills
Proficiency in Microsoft Office applications
Ability to plan and execute assigned project tasks, coordinate technical activities, and communicate status, risks, and dependencies

Responsibilities may include:

Install, configure, maintain, test, and troubleshoot EDR/XDR products and associated endpoint components
Administer EDR/XDR products and associated technologies
Develop, configure, test, deploy, and maintain system security policies
Validate configuration and policy changes in representative lab or test environments with applicable security policies and controls enforced
Monitor and assess endpoint health, agent communications, security events, content currency, and policy application across supported systems
Independently investigate agent communication, policy enforcement, and application compatibility issues; identify contributing security controls and verify corrective actions through testing
Evaluate interactions between application, platform, and site security policies, including policy inheritance and required exceptions
Contribute to system security design, security requirements analysis, and allocation of applicable requirements to system components
Plan and execute security testing and evaluate the implementation of applicable security requirements
Execute and review vulnerability and security configuration scans; analyze, document, and track findings through remediation or disposition
Implement and assess applicable DISA STIG requirements and document results
Develop and maintain installation procedures, Policy Layout Guides (PLGs), policy assignments, configuration-controlled packages, security documentation, and supporting technical evidence
Collect and maintain cybersecurity Objective Quality Evidence (OQE), prepare assigned cybersecurity compliance and A&A documentation, and coordinate documentation review and routing
Assess system security threats and risks and recommend mitigation measures throughout the program life cycle
Select appropriate standards, processes, procedures, and tools for assigned security engineering activities
Coordinate with engineering and cybersecurity teams to investigate findings, recommend corrective actions, and verify remediation

What sets you apart:

Hands-on experience administering and troubleshooting Trellix ePolicy Orchestrator (ePO), Trellix Agent, Endpoint Security (ENS), HBSS, Microsoft Defender for Endpoint, CrowdStrike Falcon, and/or other EDR/XDR products
Experience with Istio, Cilium, Calico, and/or other technologies supporting container networking and security
Experience independently developing, modifying, implementing, and testing endpoint security policies
Experience executing assessments and analyzing findings using ACAS/Tenable Nessus, Evaluate-STIG, DISA STIGs, SCAP Compliance Checker (SCC), Trivy, or similar cybersecurity assessment tools
Experience contributing to DoD RMF and Assessment and Authorization (A&A) activities
Experience administering and securing Windows Server, containers, and/or Red Hat Enterprise Linux (RHEL)
Working knowledge of Active Directory, Group Policy, certificates, firewalls, and/or enterprise networking
Experience applying PowerShell, Bash, Python, Ansible, or other scripting and automation technologies to improve engineering efficiency and repeatability
Experience with Navy CANES or ESS environments, PLG development, configuration management, or deployed system validation
Demonstrated ability to improve security implementation, testing, documentation, or operational management practices

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 $112,924.00 - USD $125,275.00 /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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More about this job

Skills

Cybersecurity
Security regulations
Policy development
Troubleshooting
Reporting
Documentation
Microsoft Windows
Linux
System administration
Security threats
Communication skills
Microsoft Office
Troubleshoot
Regulatory compliance
Tenable Nessus
Microsoft Windows Server
Red Hat Enterprise Linux
Microsoft Active Directory
Microsoft PowerShell
Bash
Python
Ansible
Automation technology

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