Software Engineer Expert

Leidos; Chantilly (VA); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking an Expert Software Developer for a large-scale development program in the IDAM/ICAM space. You will join a multi-disciplinary team delivering secure, reliable IT systems and modern cloud-based solutions using Java, Python and AWS.

The role requires active TS/SCI with Polygraph, a Bachelor's degree with 12+ years' experience, and hands-on experience with Java/Springboot, Python, AWS, and DevOps tools.

Qualifications

• Active TS/SCI with Polygraph.
• Bachelor's degree and 12+ years' experience or equivalent.
• Strong experience with Java, Springboot, Python and AWS.
• Experience interpreting customer requirements and delivering solutions.
• Knowledge of Git, Jenkins or Rundeck.

Responsibilities

• Develop Java and Python applications leveraging Neo4j and Elasticsearch.
• Create RESTful APIs.
• Develop scripts to install and configure code on EC2 instances and generate infrastructure with CloudFormation.
• Write code and support deployment using Python, Java and cloud services.
• Apply SAFe agile practices to manage workload and delivery.

Skills

Java

Springboot

Python

AWS

Git

Jenkins

Rundeck

Neo4j

Elasticsearch

NodeJS

Education

Bachelor's degree

Tools

CloudFormation

EC2

RESTful APIs

Job description

Description

Leidos is seeking an Expert Software Developerfor a technical development program of 200+ FTE supporting the Sponsor's Attribute/EntitlementServices within the IDAM/ICAM space.The Software Developer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer's mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems.

Primary Responsibilities

• List daily duties and/or specific job responsibilities.
• Knowledge/experience with the development of Cloudformation scripts to generate network and application
• infrastructure in a repeatable fashion
• Ability to write custom scripts to install and configure code in EC2 instances
• Experience with Python.
• Develop Java and Python applications that leverage Neo4j and Elasticsearch
• Ability to Implement NodeJS PM2 for application monitoring and resiliency
• Utilized SAFe agile techniques to manage workload
• Leverage Amazon Web Services
• Experience creating RESTful API

Required Qualifications

• Active TS/SCI with Polygraph
• Requires a Bachelor's degree and 12+ years' experience. Additional experience in lieu of degree.
• Must have experience with Java, Springboot, Python and the Cloud / Amazon Web Services
• Prior experience reading and developing solutions to customer requirements
• Knowledge of Git, Jenkins, or Rundeck

Desired Qualifications

• Experience with Jrandle is preferred
• Certification - Amazon Web Services (AWS)

#MSBA

FIP

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

October 8, 2026

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 $131,300.00 - $237,350.00

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.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• 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 [e-mail].

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.

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.