We are seeking a Senior Software Developer who will be a member of a dynamic team Air Traffic Management program - SkyLine-X™
SkyLine-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., GitHub 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 demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:June 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Skills Required
- Must be able to obtain and maintain a Public Trust security clearance (US Citizenship required)
- Bachelor's degree in computer science or related field with minimum 8 years relevant experience, or Master's degree with minimum 6 years relevant experience
- Strong proficiency in C++, Python, or Qt with significant experience developing, integrating, and maintaining production-quality systems
- Demonstrated experience applying AI-assisted software development tools (e.g., GitHub Copilot, ChatGPT, Roo Code, or similar) in professional environments
- Advanced ability to evaluate, validate, and govern AI-generated code, identifying complex logical errors, 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 and proven ability to mentor junior and mid-level developers
- Experience improving team workflows, development processes, and tool chains, including adoption of AI-assisted techniques
- 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
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
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