Software Developer, Python, DevOps

Leidos is seeking a Mid-Level Software Developer to support a highly technical, interdisciplinary program in partnership with the Defense Threat Reduction Agency (DTRA) and the Defense Intelligence Agency (DIA). You will build and optimize software solutions that physically and functionally characterize hardened facilities and Weapons of Mass Destruction (WMD) processes. Your code will directly drive physics-based models and effects-based simulations, empowering scientific assessments and increasing overall operational efficiency.

• Scientific & Engineering Software Integration:
  Develop, maintain, and modernize software algorithms that convert complex scientific data into physics-based models.
• Effects-Based Simulation Support:
  Build backend services and cloud-native data pipelines to support large-scale effects-based simulations for WMD and hardened facility characterization.
• Workflow Automation & ETL:
  Architect and maintain reliable ETL data flows to ingest massive datasets from varied scientific, engineering, and intelligence formats.
• Cross-Domain Data Transfer:
  Implement, secure, and maintain cross-domain transfer solutions to safely move critical data across unclassified and classified networks.
• Cross-Discipline
  
  Collaboration:
  
  Work hand-in-hand with scientists, physicists, hardware engineers, and defense analysts to translate vague, highly complex requirements into functional, user-friendly software prototypes.

• U.S. Citizenship is required.
• Candidate must have a TS/SCI and be eligible to obtain a TS/SCI w/ poly level clearance.
• Requires deep understanding of, and ability to apply, principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. Typically requires BS and 4 - 8 years of prior relevant experience or Masters with 2 - 6 years of prior relevant experience.
• Proficiency in high-level programming languages (e.g., Python, C++, or Java).
• Experience designing and managing data pipelines using modern ETL tools and processes.
• Hands‑on experience developing software within AWS cloud environments (e.g., AWS Gov Cloud, C2S, SC2S).
• Direct experience handling cross-domain transfer mechanisms (e.g., CDS, guard implementations) to securely move software data between unclassified and classified networks.
• Experience with CI/CD, Dev Sec Ops  pipelines, and modern version control (Git).

• Specific experience with AWS data services (e.g., AWS Glue, EMR, S3, RDS).
• Familiarity with Agile methodologies and rapid prototyping to support mission-critical decisions.
• Background in physics-based modeling, WMD analysis, or structural/facility engineering.

Pay Range: Pay Range $87,100.00 - $

Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.