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Senior Software Tool Developer; SWE

Job in Corridor North, Howard County, Maryland, USA
Listing for: Leidos
Full Time position
Listed on 2026-02-16
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Tool Developer (SWE-3)
Location: Corridor North

Description

Leidos has a new and exciting opportunity for a Senior 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!

Job Summary

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.

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 /Qualifications
  • Mission Focus: 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: 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: Bachelor's degree plus eleven (11) years of relevant experience or equivalent in software development. Proficiency with JAVA, Python, Rust, C++, Type Script, Visual Studio, Gitlab.
  • Security Clearance: Must possess an active TS/SCI with Polygraph to be considered for this role.
  • Desirable

    Skills:

    Graph representation and transformation to alt graph structures, digital logic emulation; re-architecture to object-oriented techniques, file parsing and generation with optimization framework.
About 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 $16.7 billion for the fiscal year ended January 3, 2025.

Pay Range

Pay Range $ - $. 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 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.

Commitment

to Non-Discrimination

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.

Apply today! Visit

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Position Requirements
10+ Years work experience
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