Leidos
Software Engineer Expert
Chantilly, VA · On-site · Senior
- Discipline
- Software
- Industry
- Defense
Spec sheet
Automatically summarized from the employer’s posting. Check the original description below for full requirements.
Software Engineer Expert role at Leidos in Chantilly, VA supporting Entitlement, IdAM/ICAM, and cloud-based infrastructure with TS/SCI clearance; senior engineer expected to develop AWS-based solutions and modern software stack.
$131,300–$237,350 / year · Day shift · 12+ years · BS degree
Required
- Cloudformation
- EC2
- Python
- Java
- Angular
- Neo4j
- Elasticsearch
- NodeJS PM2
Preferred
- AWS Certification
- Containers
Benefits
- medical
- 401k
- PTO
Employer description
Leidos is seeking a Software Developer for a technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers.
Primary Responsibilities
Knowledge/experience with the development of Cloudformation scripts to generate network and applicationinfrastructure in a repeatable fashionAbility to write custom scripts to install and configure code in EC2 instancesExperience with Python.Develop Java, Angular, and Python applications that leverage Neo4j and ElasticsearchAbility to Implement NodeJS PM2 for application monitoring and resiliencyUtilized SAFe agile techniques to manage workloadLeverage Amazon Web ServicesExperience creating RESTful APIRequired Quals;
Active TS/SCI with PolygraphRequires a BS degree and 12+ years of prior relevant experience. Additional experience in lieu of degree.Must have experience with the Cloud / Amazon Web ServicesPrior experience reading and developing solutions to customer requirementsKnowledge of Git, Jenkins, Spring, Maven, Rundeck
Desired Quals
Certification - Amazon Web Services (AWS)Experience with Containers
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:August 11, 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 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.
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