Senior UI Software Engineer - Active Secret clearance

📍 Job Overview

Job Title: Senior UI Software Engineer - Active Secret Clearance

Company: General Dynamics Mission Systems, Inc

Location: Manassas, Virginia, United States

Job Type: Other

Category: Software Engineering / Government & Defense Technology

Date Posted: April 28, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Develop cutting-edge JavaScript-based user interfaces within a Linux environment for next-generation sonar array systems, directly supporting U.S. Navy mission-critical operations.

• Leverage AI-generated code and prompt engineering expertise to rapidly prototype, develop, and integrate functional software solutions, enhancing efficiency and innovation.

• Conduct comprehensive software development lifecycle activities, including coding, unit testing, peer reviews, integration, and documentation, ensuring high-quality, reliable, and secure software.

• Analyze and translate complex system, functional, and performance requirements into robust UI code, ensuring seamless integration with advanced AI technologies and existing system architecture.

📝 Enhancement Note: This role is highly specialized, focusing on the intersection of UI development, AI integration, and defense technology. The emphasis on prompt engineering for AI-generated code is a significant differentiator, requiring candidates to possess not only traditional software engineering skills but also a forward-thinking approach to leveraging AI tools effectively within a secure, government-contracted environment. The "OTHER" employment type likely signifies a role within a government contracting or specialized R&D capacity, distinct from typical corporate structures.

📈 Primary Responsibilities

• Engineer and implement JavaScript-based user interfaces tailored for a Linux environment, meeting stringent system requirements for U.S. Navy submarine sonar array applications.

• Craft effective prompts for AI tools to generate functional code, then apply deep engineering expertise to debug, refine, and integrate this AI-generated code into a cohesive system.

• Write, test, integrate, and meticulously document software solutions, ensuring adherence to all project specifications and security protocols.

• Analyze system, functional, and performance requirements, assessing their impact on new or existing UI code and proposing optimal implementation strategies.

• Conduct thorough software unit testing and actively support integration and testing activities to validate system performance and reliability.

• Perform rigorous software peer reviews for team members, contributing to a culture of quality and collaborative problem-solving.

• Build and demonstrate user interface software that showcases the advanced functionality of next-generation sonar array systems.

• Identify and advocate for opportunities to apply AI technologies for continuous improvement, process optimization, and innovation within the software development lifecycle.

📝 Enhancement Note: The responsibilities highlight a unique blend of traditional software engineering and emerging AI development practices. The emphasis on prompt engineering and integrating AI-generated code suggests a proactive approach to adopting new technologies within a defense context. The need to analyze system requirements and their impact on UI code underscores the critical nature of this role in translating complex needs into functional software.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in Software Engineering, or a related Science, Technology, Engineering, or Mathematics (STEM) field.

Experience:

• Minimum of 5 years of relevant experience with a Bachelor's degree.

Required Skills:

• Proficient in JavaScript UI development, with a strong preference for experience with frameworks like React.

• Demonstrated experience in developing with AI-assisted or AI-generated code, including prompt engineering for code generation.

• Solid understanding of software engineering concepts, principles, theories, and best practices.

• Proven experience with the software development process, from design and implementation to testing and deployment.

• Experience developing and operating within a Red Hat Enterprise Linux (RHEL) or similar Linux environment.

• Excellent verbal and written communication skills, with the ability to articulate technical concepts clearly to diverse stakeholders.

• Strong knowledge of current technology trends and the ability to proactively advocate for new ideas, products, and process improvements.

• Ability to effectively manage complex assignments, troubleshoot challenging problems, and collaborate effectively with both internal and external stakeholders.

• Creative thinking and problem-solving abilities, with a capacity for effective multi-tasking.

Preferred Skills:

• Experience with sonar array systems or similar complex defense technologies.

• Familiarity with Agile development methodologies.

• Experience with version control systems such as Git.

• Knowledge of CI/CD pipelines and practices.

📝 Enhancement Note: The requirements emphasize a blend of established UI development skills (JavaScript, React) and cutting-edge AI prompt engineering. The clearance requirement is paramount and non-negotiable. The experience level (5-10 years) suggests a need for seasoned engineers who can lead and innovate. The inclusion of Linux/Redhat and the context of defense systems point towards a need for engineers comfortable in secure, specialized environments.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrations of complex JavaScript UI projects, showcasing proficiency in frameworks like React and adherence to UI/UX best practices.

• Case studies detailing the integration of AI-generated or AI-assisted code, highlighting the process of prompt engineering, debugging, and successful system integration.

• Examples of software developed within a Linux environment, illustrating command-line proficiency and system interaction.

• Documentation showcasing effective problem-solving for complex technical challenges, including debugging efforts and resolution strategies.

Process Documentation:

• Examples of well-structured software documentation, including design documents, user guides, and technical specifications.

• Evidence of participation in or leadership of code peer review processes, demonstrating an ability to provide constructive feedback and maintain code quality.

• Documentation of unit testing strategies and results, showcasing a commitment to thorough validation of individual software components.

• Workflow examples demonstrating the integration of AI tools into a development process, from prompt creation to final code deployment.

📝 Enhancement Note: For this role, the portfolio should emphasize practical application of AI in software development, not just theoretical knowledge. Candidates should be prepared to showcase how they've translated AI outputs into functional, robust software, especially within the context of defense systems. Demonstrating experience with Linux environments and understanding system-level requirements will be critical.

💵 Compensation & Benefits

Salary Range:

• Estimated Range: $118,519 - $131,482 USD per year.

Benefits:

• Comprehensive 401k matching program.

• Flexible time off (FTO) policy, allowing for a healthy work-life balance.

• Paid parental leave to support new parents.

• Robust healthcare benefits package.

• Health and wellness programs designed to support employee well-being.

• Access to employee resource and social groups for community building and networking.

Working Hours:

• Standard full-time work week, with an estimated 40 hours per week.

• Potential for a 9/80 schedule, offering every other Friday off, providing enhanced work-life flexibility.

📝 Enhancement Note: The provided salary range is specific to the role and location. The benefits package is comprehensive, with a particular emphasis on work-life balance through flexible scheduling and ample time off, which is attractive for demanding roles in the defense sector. The 9/80 schedule is a significant perk that should be highlighted.

🎯 Team & Company Context

🏢 Company Culture

Industry: Defense Technology & Government Solutions. General Dynamics Mission Systems (GDMS) is a key player in engineering advanced high-technology solutions for defense and scientific applications, operating in a sector that demands innovation, security, and reliability.

Company Size: Over 12,000+ global professionals. This indicates a large, established organization with significant resources and a wide range of projects, offering stability and opportunities for diverse career paths within the defense industry.

Founded: The company has a long history, implied by its established presence in the defense sector, contributing to a culture that values experience, trust, and long-term commitment.

Team Structure:

• The UI Software Engineering team is likely part of a larger software development or systems engineering department focused on defense applications.

• Collaboration is expected with AI specialists, systems engineers, hardware engineers, and potentially U.S. Navy technical representatives.

Methodology:

• Emphasis on rigorous software development lifecycle (SDLC) practices, adapted for secure government environments.

• Integration of AI tools for code generation and prompt engineering is a key methodological component of this role.

• Strong focus on requirements analysis, system integration, testing, and validation to meet stringent defense standards.

• A culture that encourages continuous learning and adaptation to new technologies, particularly in AI and advanced software development.

Company Website: https://gdmissionsystems.com/

📝 Enhancement Note: GDMS operates within the highly regulated and security-conscious defense industry. The culture likely prioritizes security, integrity, and mission success. The size of the company suggests ample resources and opportunities for professional development within specialized domains. The integration of AI points to a forward-looking approach within this traditional sector.

📈 Career & Growth Analysis

Operations Career Level: Senior UI Software Engineer. This level indicates a role requiring significant technical expertise, independent problem-solving, and the ability to mentor junior engineers. The focus on AI integration suggests a role at the forefront of technological adoption within the company.

Reporting Structure: The Senior UI Software Engineer will likely report to a Software Engineering Manager or Lead within a specific program or project team. They will collaborate closely with cross-functional teams, including AI/ML engineers, systems engineers, and potentially government clients.

Operations Impact: This role has a direct impact on the effectiveness and advancement of U.S. Navy mission-critical systems. By developing advanced user interfaces and integrating AI capabilities into sonar arrays, the engineer contributes significantly to national security, operational efficiency, and technological superiority.

Growth Opportunities:

• Technical Specialization: Deepen expertise in AI prompt engineering, advanced JavaScript frameworks, or specialized defense software systems.

• Leadership Development: Transition into roles such as Technical Lead, Software Architect, or Engineering Manager, guiding project teams and strategic technical direction.

• Cross-Functional Exposure: Gain experience in other areas of systems engineering, AI/ML development, or program management within the defense sector.

• Advanced Training & Certifications: Opportunities for further education, specialized training in AI, cybersecurity, or defense-specific technologies, and relevant professional certifications.

📝 Enhancement Note: The "Senior" title combined with the advanced AI focus suggests this is a key role for career progression. Candidates can expect to grow their skills in a high-demand area of technology within a stable industry, with clear pathways toward technical leadership or management.

🌐 Work Environment

Office Type: On-site at the Progeny Manassas facility. This indicates a dedicated physical workspace designed to support sensitive government contract work, likely with robust security measures in place.

Office Location(s): 9100 Ashton Avenue, Manassas, VA 20110. This location is in Northern Virginia, a hub for government contracting and technology companies.

Workspace Context:

• Highly secure environment due to the nature of defense contracts and the requirement for a Secret clearance.

• Collaborative workspace designed for team interaction, code reviews, and project discussions.

• Access to advanced computing resources and development tools necessary for complex software engineering tasks.

Work Schedule:

• Standard full-time employment, likely around 40 hours per week.

• Offers flexibility with a potential 9/80 schedule, allowing for every other Friday off, promoting work-life balance. This schedule is typical in government contracting environments to enhance employee satisfaction.

📝 Enhancement Note: The on-site requirement and the need for a Secret clearance dictate a highly controlled and secure work environment. The mention of the Progeny Manassas facility suggests a specific, purpose-built location for sensitive projects. The 9/80 schedule is a notable perk for an on-site role.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of resume and application, with a primary focus on the active Secret clearance and relevant experience in JavaScript UI development and AI prompt engineering.

• Technical Interview(s): In-depth discussions covering JavaScript, React, Linux environments, AI-generated code integration, debugging strategies, and software engineering principles. Expect coding challenges or system design questions.

• AI Prompt Engineering Assessment: Potential exercises or scenario-based questions to evaluate the candidate's ability to craft effective prompts and utilize AI for code generation and problem-solving.

• Portfolio Review: Presentation and discussion of past projects, emphasizing contributions to UI development, AI integration, and any defense-related work.

• Behavioral/Cultural Fit Interview: Assessment of communication skills, teamwork, problem-solving approach, and alignment with GDMS values and the demands of working on sensitive government projects.

• Security Clearance Verification: Formal process to confirm the active DoD Secret clearance.

Portfolio Review Tips:

• Highlight AI Integration: Clearly showcase projects where AI was used for code generation, debugging, or optimization. Detail the prompt engineering process and the outcomes.

• Demonstrate UI Proficiency: Present well-designed and functional JavaScript/React applications. Explain design choices, user experience considerations, and technical implementation details.

• Showcase Linux Experience: Include examples of software developed or deployed in Linux environments, highlighting command-line proficiency and system interaction.

• Detail Problem-Solving: For each project, articulate a specific technical challenge, your approach to solving it (especially with AI), and the measurable results.

• Quantify Impact: Wherever possible, use metrics to demonstrate the success of your work (e.g., performance improvements, reduced development time through AI, successful integration rates).

Challenge Preparation:

• Coding Challenges: Practice JavaScript and React coding problems, focusing on UI components, state management, and asynchronous operations. Be prepared for algorithm and data structure questions.

• AI Prompting Scenarios: Think about how you would prompt an AI to solve common UI development problems, generate specific code snippets, or debug complex issues.

• System Design: Be ready to discuss how you would design a UI architecture for a complex system like a sonar array, considering requirements, performance, and security.

• Security Awareness: Understand the implications of working with classified information and the importance of adhering to security protocols in a defense environment.

📝 Enhancement Note: The interview process will heavily scrutinize the candidate's clearance status and their ability to blend traditional UI engineering with novel AI development techniques. A strong portfolio showcasing practical AI application within a software development context is crucial for success.

🛠 Tools & Technology Stack

Primary Tools:

• JavaScript: Core programming language for UI development.

• React: Primary JavaScript library/framework for building user interfaces.

• AI Code Generation Tools: Specific platforms or models used for generating code (e.g., GitHub Copilot, custom AI models).

• Prompt Engineering Interfaces: Tools or methods used to interact with and guide AI code generation models.

• Linux/Red Hat Enterprise Linux (RHEL): Operating system environment for development and deployment.

• Version Control Systems: Git (e.g., GitHub, GitLab, Bitbucket) for code management and collaboration.

Analytics & Reporting:

• Browser Developer Tools: Essential for debugging JavaScript and analyzing UI performance.

• Performance Monitoring Tools: For assessing UI responsiveness and resource utilization.

• Internal GDMS Reporting Tools: Likely proprietary systems for tracking project progress, code quality, and system performance within the defense context.

CRM & Automation:

• Jira/Confluence (or similar): For project management, issue tracking, and documentation.

• CI/CD Tools: Jenkins, GitLab CI, or similar for automated builds, testing, and deployment pipelines (may be specific to secure environments).

• IDE's: Visual Studio Code, IntelliJ IDEA, or similar integrated development environments.

📝 Enhancement Note: The technology stack reflects a modern UI development approach (JavaScript, React) integrated with emerging AI tools and a robust, secure operating system environment (Linux/RHEL). Proficiency in Git and understanding of CI/CD are expected for efficient development workflows.

👥 Team Culture & Values

Operations Values:

• Mission Focus: A deep commitment to supporting national security objectives and ensuring the success of U.S. Navy operations.

• Integrity & Trust: Upholding the highest ethical standards and maintaining the confidentiality and security of classified information.

• Innovation: Embracing new technologies, such as AI, to drive advancements in defense capabilities and improve development processes.

• Excellence & Quality: A dedication to producing high-quality, reliable, and secure software that meets rigorous defense standards.

• Collaboration: Working effectively within cross-functional teams to achieve shared project goals and foster a supportive team environment.

Collaboration Style:

• Cross-Functional Integration: Close collaboration with AI engineers, systems engineers, and potentially government stakeholders to ensure seamless integration of UI components with complex systems.

• Proactive Communication: Open and transparent communication regarding project status, challenges, and potential solutions, especially concerning AI-generated code.

• Knowledge Sharing: A culture that encourages sharing best practices, lessons learned from AI integration, and technical insights within the team.

• Constructive Feedback: A willingness to participate in and provide constructive feedback during code reviews and design discussions to elevate overall team performance.

📝 Enhancement Note: The culture at GDMS, especially within defense projects, will emphasize security, reliability, and a strong sense of purpose. The integration of AI adds an element of forward-thinking innovation, requiring a collaborative approach to learning and adopting new methodologies.

⚡ Challenges & Growth Opportunities

Challenges:

• AI Integration Complexity: Effectively managing and integrating AI-generated code, which may require novel debugging and validation techniques, into a mission-critical defense system.

• Security & Compliance: Adhering to strict security protocols and compliance requirements inherent in working with classified information and defense projects.

• Rapid Technological Evolution: Keeping pace with advancements in both UI development frameworks and AI technologies to maintain a cutting-edge product.

• Requirement Translation: Translating complex, often high-level, military requirements into detailed, functional UI specifications and code.

Learning & Development Opportunities:

• AI Specialization: Opportunities to become an expert in prompt engineering, AI model integration, and the application of AI in software development for defense contexts.

• Advanced UI/UX Techniques: Training and development in the latest UI/UX design patterns and front-end development best practices.

• Defense Systems Knowledge: Gaining deep insights into sonar technology, naval systems, and other advanced defense applications.

• Leadership Pathways: Potential to move into technical leadership roles, mentoring junior engineers, or contributing to architectural decisions for future systems.

• Industry Conferences & Training: Access to relevant industry events, workshops, and specialized training programs focused on AI, software engineering, and defense technology.

📝 Enhancement Note: The primary challenges revolve around navigating the complexities of AI integration within a secure defense environment. Growth opportunities are significant, particularly for those looking to specialize in high-demand fields like AI-driven software engineering for critical applications.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI problem you encountered and how you solved it, specifically detailing any role AI played in your solution." (Focus on prompt engineering, debugging AI output, and integration.)

• "How would you approach analyzing and translating a high-level requirement for a sonar display into specific UI components and functionality?" (Emphasize systematic approach, user needs, and technical implementation.)

Company & Culture Questions:

• "Why are you interested in working for General Dynamics Mission Systems and specifically on defense technology projects?" (Highlight alignment with mission, interest in advanced technology, and understanding of the defense sector.)

• "How do you stay current with rapidly evolving technologies like AI and new JavaScript frameworks?" (Demonstrate continuous learning and proactive professional development.)

Portfolio Presentation Strategy:

• AI Integration Emphasis: Dedicate a significant portion of your presentation to projects involving AI-generated code. Clearly explain the prompts used, the AI's output, your refinement process, and the final, integrated solution.

• Demonstrate Problem/Solution/Result: For each portfolio piece, structure it around a clear problem, your innovative solution (especially AI-driven), and measurable results or impact.

• Technical Depth: Be prepared to dive deep into the technical aspects of your code, architecture, and development process. Explain your reasoning behind technical choices.

• Security Awareness: While not overtly discussed in every project, subtly demonstrate an understanding of secure coding practices and the importance of data integrity, especially if any past work had security implications.

📝 Enhancement Note: Interview preparation should heavily focus on the candidate's ability to articulate their experience with AI prompt engineering and code integration, alongside strong foundational UI development skills within a secure, government-focused context.

📌 Application Steps

To apply for this Senior UI Software Engineer position:

• Submit your detailed application and resume through the provided link on the General Dynamics Mission Systems careers portal.

• Portfolio Customization: Tailor your resume and any supplementary portfolio materials to prominently feature your experience with JavaScript, React, AI prompt engineering, and development within Linux environments. Highlight any defense-related projects or experience.

• Resume Optimization: Ensure your resume clearly states your active Department of Defense Secret security clearance and U.S. citizenship. Use keywords from the job description such as "JavaScript," "UI development," "React," "AI-generated code," "Prompt engineering," and "Linux."

• Interview Preparation: Practice articulating your experience with AI integration, debugging AI-generated code, and your understanding of the software development lifecycle in a secure environment. Prepare specific examples for behavioral questions.

• Company Research: Familiarize yourself with General Dynamics Mission Systems' role in defense technology and their commitment to innovation. Understand the importance of mission success and security in their operations.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.