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Senior Software Developer Security Clearance

Job in Gaithersburg, Montgomery County, Maryland, 20879, USA
Listing for: Leidos
Full Time position
Listed on 2026-06-10
Job specializations:
  • Software Development
    Software Engineer, Senior Developer, AI Engineer (Applied/Software), Software Architect
Job Description & How to Apply Below
Position: Senior Software Developer with Security Clearance
R
- Description We are seeking a Senior Software Developer who will be a member of a dynamic team Air Traffic Management program - Sky Line-X™ Sky Line-X™ provides an array of advanced air traffic management capabilities to improve aircraft safety, performance, and efficiency across the world’s airspace.

Primary Responsibilities:

* Lead the design, development, and maintenance of software components and subsystems, operating as a senior technical contributor within a SW team

* Drive technical planning, estimation, and architectural discussions, influencing design decisions and implementation strategies

* Analyze system and subsystem requirements and develop robust, scalable software designs aligned with overall system architecture

* Lead implementation of complex features and ensure alignment with performance, reliability, safety, and maintainability requirements

* Define and implement effective use of AI-assisted development tools (e.g., Roo Code, Claude, ChatGPT, or similar) across the team to improve productivity and code quality

* Establish guidelines and guardrails for responsible AI usage, including validation standards, traceability, security considerations, and compliance with program requirements

* Exercise deep technical judgment in evaluating AI-generated outputs, identifying subtle defects, system-level impacts, performance tradeoffs, and potential failure modes

* Drive adoption of standardized prompting strategies, reusable workflows, and AI-assisted development patterns across the team or program

* Lead and perform code reviews, setting quality expectations for both human- and AI-generated code

* Troubleshoot and resolve complex, system-level software issues, supporting integration, verification, and validation activities

* Mentor junior and mid-level developers, including coaching on effective and responsible use of AI-assisted development tools

* Contribute to continuous improvement of development processes, tooling, and engineering excellence, including integration of AI capabilities into CI/CD and testing workflows

Basic Qualifications:

* Must be able to obtain and maintain a Public Trust security clearance (US Citizenship required)
* Bachelor’s degree in computer science or a related field and a minimum of 8 years of prior relevant experience, or a master’s degree and a minimum of 6 years of prior relevant experience
* Strong proficiency in programming languages such as C++, Python, or Qt, with significant experience developing, integrating, and maintaining production-quality systems
* Demonstrated experience applying AI-assisted software development tools (e.g., Git Hub Copilot, ChatGPT, Roo Code, or similar) in professional environments to improve team productivity and software quality

* Advanced ability to evaluate, validate, and govern AI-generated code, including identifying complex logical errors, edge cases, performance concerns, and security vulnerabilities

* Strong understanding of software architecture, design patterns, and system-level tradeoffs

* Experience leading code reviews and establishing or enforcing team development standards

* Ability to work independently on complex problems and provide technical leadership within a team

* Strong communication skills, with the ability to clearly articulate technical decisions and mentor other engineers

* Demonstrated experience improving team workflows, development processes, and tool chains, including adoption of AI-assisted techniques

Preferred Qualifications:

* Experience defining or governing AI-assisted development practices at the team, program, or organizational level

* Experience integrating AI tools into CI/CD pipelines, automated testing frameworks, or secure development environments

* Familiarity with secure coding practices and validating AI-generated code in regulated, safety-critical, or mission-critical systems

* Experience contributing to software architecture decisions or serving as a technical lead on a project or subsystem

* Proven experience mentoring developers across multiple experience levels
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission…
Position Requirements
10+ Years work experience
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