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Principal Software Developer

Job in Gaithersburg, Montgomery County, Maryland, 20879, USA
Listing for: Leidos
Full Time position
Listed on 2026-06-03
Job specializations:
  • Software Development
    AI Engineer, Software Engineer
Job Description & How to Apply Below

Description

We are seeking a Principal 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:

  • Serve as a principal technical authority for software engineering across one or more programs, influencing architecture, design, and long-term technical strategy
  • Lead the design and development of complex, mission-critical software systems, ensuring alignment with performance, safety, security, and scalability requirements
  • Drive system-level and cross-program architectural decisions, including integration strategies and technology selection
  • Define and oversee the strategic adoption of AI-assisted software development across teams and programs
  • Establish enterprise- or program-level policies, guardrails, and governance for responsible AI usage, including validation standards, traceability, security, compliance, and risk management
  • Evaluate the impact of AI-assisted development on safety-critical systems, ensuring that its use aligns with regulatory, operational, and mission assurance requirements
  • Provide expert-level evaluation of AI-generated outputs, identifying systemic risks, failure modes, and unintended consequences at scale
  • Champion the development of standardized AI-assisted workflows, reusable components, and tooling that improve productivity while maintaining engineering rigor
  • Lead technical reviews, architecture reviews, and code reviews, setting and enforcing the highest standards for software quality (both human- and AI-generated)
  • Mentor and develop senior and mid-level engineers, fostering technical growth and promoting best practices in both software engineering and AI-assisted development
  • Collaborate with program leadership, systems engineering, cybersecurity, and other stakeholders to align software strategy with mission objectives
  • Drive continuous improvement across development processes, tool chains, and engineering culture, including responsible integration of emerging AI technologies

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 12 years of prior relevant experience, or a master’s degree and a minimum of 10 years of prior relevant experience
  • Expert-level proficiency in programming languages such as C++, Python, or Qt, with extensive experience delivering and maintaining large-scale production systems
  • Demonstrated experience leading software architecture and technical strategy across teams or programs
  • Deep experience applying AI-assisted software development tools (e.g., Git Hub Copilot, ChatGPT, Roo Code, or similar) and shaping their adoption in professional environments
  • Expert ability to evaluate, validate, and govern AI-generated code and outputs, including identifying systemic risks, security vulnerabilities, and performance tradeoffs
  • Strong understanding of software architecture, distributed systems, and system-level design tradeoffs
  • Proven experience establishing engineering standards, best practices, and development processes across teams
  • Ability to operate independently at a strategic level while influencing and aligning multiple stakeholders
  • Excellent communication skills, with the ability to convey complex technical concepts to both technical and non-technical audiences

Preferred Qualifications:

  • Experience defining AI governance frameworks, policies, or standards within a program or organization
  • Experience working in regulated, safety-critical, or mission-critical environments (e.g., air traffic management, aviation, defense, or similar domains)
  • Experience integrating AI-assisted development into secure, enterprise-grade development environments and tool chains
  • Prior experience serving as a technical lead, architect, or principal engineer across large-scale systems
  • Experience influencing organizational technology strategy or contributing to innovation initiatives involving AI

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