Principal Software Tool developer; SWE
Listed on 2026-02-16
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Software Development
Software Engineer, Python
Location: Corridor North
Description
Leidos has a new and exciting opportunity for a Principal Tool Developer in our Intel Sector. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.
Join us and make a difference in National Security!
Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact.
Click here to learn more about how this program "Delivers Mission Success!"
Seeking a motivated tool developer to kick off a new effort within the Technology & Data Analysis mission. The software engineer will work closely with mission stakeholders, researchers and end users to develop innovative tools - from research concept to deployment - for daily use that will improve cryptanalytic engineering and analysis.
Job Responsibilities and Qualifications- Mission Focus
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Perform end-to-end (concept to reality) capability development, taking research-based approaches - often software prototypes and algorithms - to create tools for cryptanalytic engineering and analysis. - Technical Proficiency
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Savvy with enterprise Java application development in order to take existing tool base, understand the tool's functionality from documentation and research, examine new parameters needed, and lead overall development. Will perform software & architecture review, transition and release planning, maintenance, automated testing, debugging, user support, version control, and new feature development. - Qualifications
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Bachelor's degree plus twelve (12) to fifteen (15) years of relevant software development experience or equivalent. Proficiency with JAVA, Python, Rust, C++, Type Script, Visual Studio, Gitlab. - Security Clearance
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Must possess an active TS/SCI with Polygraph to be considered for this role. - Desirable Skills
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Graph representation and transformation to alt graph structures, digital logic emulation; re-architecture to object-oriented techniques, file parsing and generation with optimization framework.
At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today!
Pay RangePay Range $ - $
Commitment to Non-DiscriminationAll 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.
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