Senior Software Engineer - 25k Sign on Bonus

Leidos has a new and exciting opportunity for a Sr. 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!  

Are you seeking a new and challenging position supporting a complex program? Well, look no further! This is an exciting time to contribute to an important program with lasting impactful results. Leidos is currently looking to add a Software Engineer (SWE-2) to a growing task. Tasks will include new design and prototyping within a fast-paced Agile team structure.

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

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Primary Responsibilities

• Analyze user requirements to derive software design and performance requirements

• Debug existing software and correct defects

• Provide recommendations for improving documentation and software development process standards

• Design and code new software or modify existing software to add new features

• Integrate existing software into new or modified systems or operating environments

• Develop simple data queries for existing or proposed databases or data repositories

• Write or review software and system documentation

• Serve as team lead at the level appropriate to the software development process being used on any particular project

• Design or implement complex database or data repository interfaces/queries

Basic Qualifications

• Fourteen (14) 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.​
• Java programming experience is required
• Clearance Required: Must have active TS/SCI with Polygraph

Desired 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)

• Consuming and creating REST APIs and WebSockets

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Original Posting:April 11, 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 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.