Software Devoloper

Key Responsibilities 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. Required Qualifications 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.

BS degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10 years of prior relevant experience. May possess a Doctorate in technical domain. 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 GovCloud, 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, DevSecOps pipelines, and modern version control (Git).

Preferred Qualifications 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. #ASBA 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: July 21, 2026 For 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. Pay Range: Pay Range $107,900.00 - $195,050.00 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. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision.

That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com.

Commitment and Diversity 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.