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Description

Leidos** has a new and exciting opportunity for a **Principal Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . 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!

This position is eligible for a $25,000 sign on bonus!

Job Summary

We are seeking a highly skilled Software Engineer to design, develop, and enhance complex software systems, including high-performance analytics, large-scale data processing, real-time applications, and business management systems. You will apply advanced methodologies, resolve technical challenges, and ensure software meets performance and functional standards.

Primary Responsibilities

+ Analyze user requirements to design, develop, and optimize software solutions

+ Debug, enhance, and resolve issues in software applications to improve efficiency

+ Develop and implement algorithms to optimize system performance and functionality

+ Design and implement efficient database queries and repository solutions

+ Develop and execute test procedures to validate software functionality and performance

+ Enhance software documentation and improve development processes with strategic recommendations

+ Lead and collaborate on software projects to drive innovation

Basic Qualifications

+ Twenty (20) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity is required.

+ Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required.

+ Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.

+ Must have experience with Java development

+ **Clearance Required:** Must have an active TS/SCI with Polygraph.

Preferred Qualifications

+ C++, JBoss

+ AWS Certification

+ Git, Linux, Jira, Confluence, Eclipse

+ Stream-based processing frameworks

+ Oracle, SQL, NoSQL databases

+ Agile Scrum

+ JavaScript, TypeScript, HTML, and CSS

+ React or similar libraries (Vue, Angular)

+ Automated test technologies

+ JMS

+ Consuming and creating REST APIs and WebSockets

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Original Posting:

May 8, 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 $148,850.00 - $269,075.00

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.

REQNUMBER: R-00159006

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.