• Senior SW Engineer

    Leidos (Chantilly, VA)


    Description

    Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Developer will work with a large team of developers, software engineers, and data engineers.

    Primary Responsibilities:

    Develop Java and/or Python applications that leverages Large Language Model(LLM) API calls

     

    Utilized Scrum agile techniques to manage workloadand incrementally build out applications to meet customer requirements

     

    Leverage Amazon Web Services

     

    Experience creating RESTful API

    Required Qualifications:

    Active TS/SCI with Polygraph

     

    BS degree and 12+ years of relevant experience. Additional experience in lieu of degree.

     

    Hands-on development experience in object oriented programming languages like Java, Python, Kotlin, Go, Ruby etc.

     

    Experience with defining system architectures and design of new features

     

    Prior experience developing solutions to customer requirements

     

    Knowledge of Git, Jenkins, or Rundeck

    Desired Qualifications:

    Exposure to foundation AImodels such as GPT

     

    Familiarity with AI topics and concepts such as prompt engineering

     

    Experience with AI libraries such as LangChain or others

     

    Understanding of Identity Access Management (IAM) Concepts

     

    Experience with design patterns and best practices

     

    Experience building microservices

     

    Experience with integration testing frameworks

     

    Documented open source contributions, technical certifications, continued education

     

    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:

    September 25, 2025

     

    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 $126,100.00 - $227,950.00

     

    The Leidos pay range for this job level is a general guideline onlyand 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.

     

    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. 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 at www.leidos.com/careers/pay-benefits .

     

    Securing Your Data

     

    Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

     

    If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

     

    Commitment to Non-Descrimination

     

    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.

    REQNUMBER: R-00167467

    All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.