Software Engineer Expert
At a glance
Mid-level Software Engineering role at Leidos. Chantilly · full-time · $131,300–$237,350 base.
techroles summary, based on the employer's posting.
What you'll do
- Build repeatable network and application infrastructure with CloudFormation scripts
- Write scripts that install and configure software on EC2 instances
- Develop Java, Angular and Python applications using Neo4j and Elasticsearch
- Set up NodeJS PM2 to monitor applications and support resilience
- Use SAFe practices to organize work and create RESTful APIs
What you bring
- An active TS/SCI clearance with polygraph is required
- A bachelor’s degree and at least twelve years of relevant experience, or additional experience instead of the degree
- Hands-on cloud experience with Amazon Web Services
- Experience interpreting customer requirements and designing solutions around them
Who this fits
This role suits an experienced software developer comfortable contributing within a large team. You’ll work in Chantilly, Virginia, and the position requires an active TS/SCI clearance with polygraph.
From the employer
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 application
- infrastructure in a repeatable fashion
- Ability to write custom scripts to install and configure code in EC2 instances
- Experience with Python.
- Develop Java, Angular, 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 Quals;
- Active TS/SCI with Polygraph
- Requires a BS degree and 12+ years of prior relevant experience. Additional experience in lieu of degree.
- Must have experience with the Cloud / Amazon Web Services
- Prior experience reading and developing solutions to customer requirements
- Knowledge 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, 2026For 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 - $237,350.00The 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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