368,611open jobs
9,439companies
50,719added this week
Browse all
Salary
$108k – $195k per year
Location
In office (Chantilly)
Seniority
Senior · 8+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
Leidos is a defense, intelligence, civil, and health information technology enterprise. Headquartered in Reston, Virginia, the Fortune 500 company (NYSE: LDOS) operates as one of the primary IT, scientific research, and systems integration contractors for the U.S. federal government, allied defense agencies, and commercial infrastructure entities.

Leidos is seeking a Software Developer for a 200+ FTE 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. The successfully 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

  • Experience in modernization of legacy applications (new software development)
  • Strong communication, design, and documentation skills
  • Comfort and familiarity in maintaining legacy applications
  • Strong time and workflow management skills
  • Comfort and familiarity designing and utilizing custom ETL methodology
  • 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
  • Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)
  • 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
  • Willingness to mentor and teach junior developers’ community best practices in a constructive fashion
  • Work within the parameters of Agile & Scrum methodologies
  • Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions

Required Skills

  • Active TS/SCI with Polygraph
  • Bachelor's degree and 8+ years of 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
  • Experiencing working in Command Line (RH Linux)

Desired Skills

  • Experience with Angular is preferred
  • Certification - Amazon Web Services (AWS)
  • Understanding and knowledge with Identity and Accessibility development practices
  • Experience with automation methodologies like Selenium
  • Experience with containerization and modular development
  • Familiarity with UI/UX Design
  • Full Stack Development

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 26, 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 $107,900.00 - $195,050.00

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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
368,611 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Chantilly
$19k – $48k per year (Estimated) • Remote • Yekaterinburg
Java
Java
Apache Camel
Gradle
Maven
Databases
ActiveMQ
Apache Kafka
PostgreSQL
DevOps
CI/CD
Docker
Git
gRPC
Kubernetes
Apply
Remote • Bachelor's Degree • Almaty
Bash
Java
Java
OpenJDK
Spring Framework
DevOps
Git
SLI/SLO/SLA
VMWare
Apply
$5.4k – $14k per year (net) • In office • Full-Time • Bachelor's Degree • Astana
DevOps
Git
Ubuntu
Cybersecurity
FortiGate
Wireshark
Apply
$12k – $30k per year (Estimated) • Remote/Hybrid • Contractor • 3+ years exp • Minsk
Java
SQL
Databases
PostgreSQL
Redis
DevOps
OpenShift
Apply
$147k – $199k per year • In office • Full-Time • 10+ years exp • Chantilly
Java
Databases
Db2
AI/ML
Synthetic Data
DevOps
CI/CD
Shift-Left
GitHub
Cybersecurity
Shift-Left Security
Management
Jira
QA
Cypress
Playwright
Apply
$70k – $126k per year • In office • Full-Time • 4+ years exp • Bachelor's Degree • Shiloh
DevOps
AWS
Azure
GCP
Cybersecurity
Cyber Kill Chain
Defense in Depth
MITRE ATT&CK
Apply
$131k – $237k per year • Remote • Full-Time • 12+ years exp • Bachelor's Degree • United States
C++
Java
Python
Kotlin
Kotlin
Mockito
Databases
Apache Kafka
AI/ML
ChatGPT
Claude
Claude Code
Copilot
RAG
AI Agents
Context Engineering
LLM Guardrails
Model Context Protocol
DevOps
Ansible
Argo Workflows
ArgoCD
AWS
CI/CD
CloudFormation
Configuration Management
Docker
Git
GitOps
Helm
Istio
Kubernetes
OpenShift
Podman
Service Mesh
Terraform
GitHub
GitLab
Cybersecurity
SonarQube
QA
Selenium
Apply
$73k – $133k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Orlando
Bash
PowerShell
Python
DevOps
Ansible
Configuration Management
Docker
Git
Kubernetes
Kustomize
OpenShift
Puppet
Red Hat
Terraform
VMWare
Management
Confluence
Jira
Apply
$108k – $195k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Chantilly
DevOps
Ansible
CI/CD
Docker
Kubernetes
Apply
$108k – $195k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Bethesda
Bash
Python
C
C
MPI
AI/ML
Kubeflow
DevOps
Ansible
AWS
CI/CD
Docker
GitLab CI
Kubernetes
Platform Engineering
SLURM
Terraform
Ubuntu
GitLab
Apply
$164k – $219k per year • In office • Full-Time • 10+ years exp • Bachelor's Degree • Chantilly
JavaScript
Node JS
SQL
TypeScript
Java
Java
Hibernate
Spring Boot
Databases
MySQL
Oracle
PostgreSQL
Frontend
Less
React.js
DevOps
Amazon EC2
Amazon ECS
Amazon S3
AWS Lambda
CI/CD
CloudFormation
Docker
Jenkins
Kubernetes
AWS
Apply
$160k – $216k per year • In office • Full-Time • 10+ years exp • Bachelor's Degree • Chantilly
JavaScript
SQL
TypeScript
Java
Java
Gradle
Hibernate
Maven
Spring Boot
Databases
Oracle
Frontend
Angular
Less
React.js
Vue.js
Mobile
JUnit
DevOps
AWS
Git
Jenkins
Kubernetes
QA
Cypress
Apply
$187k – $253k per year • In office • Full-Time • 10+ years exp • Bachelor's Degree • Chantilly
JavaScript
SQL
TypeScript
Java
Java
Gradle
Hibernate
Maven
Spring Boot
Databases
Oracle
Frontend
Angular
Less
React.js
Vue.js
Mobile
JUnit
DevOps
AWS
Git
Jenkins
QA
Cypress
Apply
Software Engineer 1 day ago
$108k – $195k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Chantilly
Bash
JavaScript
Python
Java
Java
Apache Tomcat
Gradle
Hibernate
Maven
Databases
MySQL
Mobile
JUnit
Management
Jira
Apply
Software Developer 1 day ago
$62k – $141k per year • In office • Full-Time • 4+ years exp • Bachelor's Degree • Chantilly
Java
Python
Databases
Apache Kafka
Cassandra
PostgreSQL
AI/ML
Spark
DevOps
AWS
CI/CD
Jenkins
Kubernetes
Apply
See all jobs
This is one of many
368,611 more open roles from verified company boards, updated every day.