2,054,977open jobs
121,331companies
243,082added this week
Browse all
Salary
$70k – $126k per year
Location
In office (Saint Louis)
Seniority
Junior · 2+ years exp
Visa
H-1B filings in 12 months: 50 · for this role: 24 · green card filings: 24
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Oct 23, 2026. Leidos scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.

The Leidos FS2 Aero team has an opening for a junior software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office for 6 month - temporary to permanent hire position. The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission.

Primary Responsibilities

  • Primary responsibilities will involve building software coding knowledge providing the system administration and modification of existing GOTS code to integrate open-source software solutions for display in a web application.
  • This role will work with programming languages to include C#/Java and JavaScript/TypeScript, Python, Shell scripting.
  • Creation and documentation of new and existing functionality within software version control repositories (gitlab) and utilizing DevOps principals and tools to deliver new features within an Agile construct.
  • Participate in program Agile software development initiatives (standup, planning, Increment planning) to support applications through iteration/functionality utilizing Atlassian (Jira/Confluence).
  • Participate and collaborate with team members to assess tickets to ensure proper testing and delivery of functionality per User Story Acceptance Criteria.

Basic Qualifications

  • Candidate must have an active Top Secret clearance.
  • Candidate must be able to obtain a TS/SCI prior to starting.
  • Candidate must be able to maintain TS/SCI and obtain a successful CI poly post hire.
  • Requires BS degree or certification and 2-4 years of prior relevant experience. Experience may be considered in lieu of a degree.
  • Minimum 2 year of experience with JavaScript, Python, or C# development framework.
  • Minimum 2 years of experience of working with web-enabled applications.
  • Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
  • Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
  • Demonstrated ability to prioritize competing responsibilities, manage workload efficiently, and deliver high-quality work with strong attention to detail.
  • Strong verbal and written communication skills, with the ability to effectively collaborate with teams and communicate complex ideas to a variety of audiences.

Preferred Qualifications

  • At least 1 years of experience with DOD software requirements.
  • At least 2 year of experience working in a government cloud environment.
  • AWS Solutions or DevOps certification
  • Team Collaboration tools (Jira, Confluence)
  • Active TS/SCI with Polygraph
  • DOD 8570 Compliant Certification (Sec+)

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 23, 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 $69,550.00 - $125,725.00

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.
2,054,977 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 Continue with Google
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

Backend
Similar stack
Same company
Saint Louis
≈ $121k – $238k per year (Estimated) · In office · 3+ years exp · New York
Python
Java
Databases
Apache Kafka
AI/ML
Machine Learning
DevOps
Rest API
AWS
Management
Agile
Apply
≈ $99k – $195k per year (Estimated) · In office · 3+ years exp · United States
JavaScript
TypeScript
SQL
C#
C#
.NET
Frontend
Next.js
Angular
Bootstrap
React.js
Sass
Mobile
React Native
DevOps
Rest API
Azure DevOps
Azure
CI/CD
Management
Agile
Apply
In office · Internship · Master's Degree · South San Francisco
Python
Go
JavaScript
Frontend
React.js
Mobile
React Native
Apply
$180k – $220k per year · Equity · In office · 4+ years exp · Ann Arbor · South San Francisco
Rust
C++
AI/ML
Physical AI
DevOps
CI/CD
Robotics
Digital Twin
Apply
$65k – $80k per year · In office · Bachelor's Degree · Leominster
Apply
$148k – $222k per year · Equity · In office · Full-Time · 5+ years exp · Bachelor's Degree · Pleasanton
Python
Java
TypeScript
Scala
Java
Gradle
Scala
ScalaTest
AI/ML
Copilot
Cursor
Claude Code
Model Context Protocol
AI Agents
Frontend
GraphQL
Mobile
JUnit
DevOps
Rest API
Git
AWS
Kubernetes
GitHub
API Gateway
SOAP
QA
Swagger
Postman
Apply
≈ $19k – $43k per year (Estimated) · In office · 5+ years exp · Bengaluru
Python
JavaScript
DevOps
New Relic
Dynatrace
Prometheus
CI/CD
Jenkins
AWS
Docker
Kubernetes
Configuration Management
Bitbucket
Amazon EKS
Amazon EC2
GitHub
GitLab
Amazon S3
Amazon CloudWatch
API Gateway
Cybersecurity
SonarQube
Apply
$100k – $110k per year · Hybrid · Contractor · Charlotte
Management
Confluence
Scrum
Apply
$68k – $84k per year · Hybrid · Internship · Bachelor's Degree · Glen Allen
Python
AI/ML
Time Series
Machine Learning
Apply
≈ $118k – $219k per year (Estimated) · Hybrid · 5+ years exp · Richmond
C#
C#
.NET
Management
Scrum
Apply
$92k – $167k per year · In office · TS/SCI · Full-Time · 10+ years exp · High School Diploma · Alexandria
SQL
Cybersecurity
PKI
Analytics
Power BI
Management
ServiceNow
SharePoint
ITSM
Apply
$87k – $157k per year · In office · Secret · Full-Time · 4+ years exp · Bachelor's Degree · Huntsville
Python
Java
PowerShell
C++
DevOps
Terraform
Ansible
CI/CD
Git
GitLab
Apply
$87k – $157k per year · In office · TS/SCI · Full-Time · 4+ years exp · Master's Degree · Saint Louis
Python
JavaScript
TypeScript
C#
DevOps
AWS
GitLab
Management
Confluence
Jira
Agile
Apply
$87k – $157k per year · Remote (United States) · Secret · Full-Time · 4+ years exp · Bachelor's Degree · United States
Python
Go
Java
AI/ML
LLM
DevOps
CI/CD
Git
AWS
Docker
Kubernetes
GitHub
GitLab
Apply
$108k – $195k per year · Remote (United States) · Secret · Full-Time · 8+ years exp · Bachelor's Degree · United States
AI/ML
LLM
Multi-Agent Systems
DevOps
CI/CD
GitHub
Apply
≈ $31k – $56k per year (Estimated) · In office · Part-Time · Saint Louis
Apply
$60k – $90k per year · In office · 1+ year exp · Bachelor's Degree · Saint Louis
DevOps
GCP
Life Sciences
Good Clinical Practice
Apply
$70k per year · Remote (United States) · Full-Time · 3+ years exp · Bachelor's Degree · Saint Louis
Apply
≈ $42k – $69k per year (Estimated) · In office · 2+ years exp · Bachelor's Degree · Saint Louis
Apply
$80k – $98k per year · Hybrid · Full-Time · 5+ years exp · Bachelor's Degree · Saint Louis
Apply
See all jobs
This is one of many
2,054,977 more open roles from verified company boards, updated every day.