2,122,147open jobs
134,301companies
241,174added this week
Browse all
Salary
$70k – $126k per year
Location
In office (Saint Louis)
Seniority
Middle · 4+ 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 Nov 6, 2026. First seen by Alion on Aug 14, 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 National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment of maritime systems.

Responsibilities:

This role is responsible for adaptive, corrective, preventive and perfective maintenance of maritime systems software. This role uses best practices and patterns to perform design, development, and automated testing of software modules via DevSecOps in an Agile team.

  • This role involves software system development, including the design, development, troubleshooting, and debugging of software programs for software enhancements and maintenance.
  • Participate in peer reviews and unit testing and must be adaptable to different responsibilities.
  • Duties include software requirements analysis and development of software products in a maintenance setting.
  • This role is responsible for identifying software and hardware dependencies and capacities.
  • Creating and maintaining documentation is part of this role.

Core Qualifications:

  • Requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 4+ years of prior relevant experience or master’s with 2+ years of prior relevant experience; OR 4 years of experience in lieu of degree
  • Proficient in software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
  • Proficient in AWS/Cloud technologies
  • Experience with cloud-based architecture
  • Understanding of DevOps methodologies and workflow
  • Knowledge of the Architectural, SW Development and SW Sustainment Practices
  • Familiar with Vue, NodeJS, PostgreSQL
  • Familiar with Git/GitLab or other source code control tools
  • Familiar with Amazon Web Services (S3 Buckets, EC2, Reserved Instances, etc.)
  • Familiar with System Engineering documentation creation (VDDs, diagrams, etc.)
  • Familiar with team collaboration tools (Jira, Confluence, RocketChat)
  • Must possess an active Top Secret Security Clearance with ability to obtain SCI and a polygraph post hire

Preferred Qualifications:

  • DOD 8570 Certification (Security+ or equivalent or higher)
  • Understanding of Containers (Docker, ECS, EKS, Fargate, AKS)

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 14, 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.
2,122,147 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
$144k – $194k per year · Equity · In office · Full-Time · 3+ years exp · Bachelor's Degree · Seattle · Denver
Java
C#
C++
Perl
AI/ML
LLM Guardrails
Apply
$144k – $194k per year · Equity · In office · Full-Time · 3+ years exp · Bachelor's Degree · Arlington
Java
C#
C++
Perl
Apply
$213k – $237k per year · Equity · In office · Nationals only · 8+ years exp · Bachelor's Degree · San Jose
Python
Rust
C++
DevOps
CI/CD
Apply
$120k – $235k per year · In office · 8+ years exp · Bachelor's Degree · United States
Python
JavaScript
C#
C++
DevOps
Azure
Self-Healing
Apply
$113k – $188k per year · In office · TS/SCI · Full-Time · 3+ years exp · Washington
JavaScript
Java
SQL
Java
Spring Boot
Hibernate
Flyway
Liquibase
Databases
PostgreSQL
Oracle
Frontend
React.js
DevOps
GitLab CI
Azure
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
GitHub
GitLab
Cybersecurity
Keycloak
SonarQube
Fortify
Management
Agile
Apply
≈ $22k – $56k per year (Estimated) · In office · Bengaluru
JavaScript
TypeScript
SQL
Node JS
Databases
MySQL
PostgreSQL
RabbitMQ
Apache Kafka
DevOps
Rest API
CI/CD
Git
AWS
Docker
Apply
C++ Linux developer 16 days ago
In office · Bucharest
SQL
C++
Databases
PostgreSQL
DevOps
Linux
Apply
≈ $20k – $40k per year (Estimated) · In office · 12+ years exp · Noida
Java
SQL
Apex
Apex
MuleSoft
Databases
Db2
Oracle
DevOps
Splunk
GCP
Dynatrace
Azure
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
AppDynamics
Incident Management
Linux
Unix
Management
ITIL
Apply
≈ $16k – $37k per year (Estimated) · In office · 5+ years exp · Noida
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
Microsoft Fabric
AI/ML
Spark
DevOps
Rest API
Terraform
Azure DevOps
Azure
CI/CD
Git
GitHub
Cybersecurity
Microsoft Entra ID
Analytics
Power BI
ETL/ELT
Azure Data Factory
Dimensional Modeling
Management
Agile
Apply
≈ $145k – $289k per year (Estimated) · In office · New York
JavaScript
Databases
MySQL
PostgreSQL
DevOps
Rest API
CI/CD
Apply
$108k – $195k per year · Hybrid · TS/SCI · Full-Time · 8+ years exp · Bachelor's Degree · Chantilly · Tucson
Python
JavaScript
Swift
Python
Django
Django REST Framework
Databases
PostgreSQL
Frontend
Next.js
React.js
Mobile
UIKit
SwiftUI
React Native
DevOps
Rest API
Terraform
CloudFormation
GitLab CI
CI/CD
Git
AWS
Docker
Kubernetes
GitLab
Amazon S3
Amazon ECS
Management
Jira
Agile
Scrum
QA
Playwright
Jest
Pytest
Apply
$131k – $237k per year · In office · Top Secret · Full-Time · 12+ years exp · Master's Degree · Ashburn
JavaScript
Java
TypeScript
Java
Spring Boot
Hibernate
Databases
MySQL
PostgreSQL
AI/ML
Prompt Engineering
Gemini
LLM
Frontend
Angular
React.js
Material UI
DevOps
Rest API
Ansible
GitHub Actions
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
Amazon EKS
Analytics
Power BI
Management
Confluence
Jira
Agile
Apply
$131k – $237k per year · In office · TS/SCI · Full-Time · 4+ years exp · Bachelor's Degree · Annapolis Junction
JavaScript
Java
TypeScript
SQL
Java
Spring Boot
Databases
PostgreSQL
Oracle
MariaDB
Frontend
Angular
DevOps
Podman
GitLab CI
CI/CD
Git
Docker
Kubernetes
Management
Confluence
Jira
Agile
Apply
$108k – $195k per year · In office · Top Secret · Full-Time · 8+ years exp · Bachelor's Degree · Arlington
Python
Verilog
C++
VHDL
DevOps
Red Hat
Linux
Chips/EDA
Xilinx Vivado
Apply
$154k – $278k per year · In office · TS/SCI · Full-Time · 14+ years exp · Bachelor's Degree · Annapolis Junction
JavaScript
Java
TypeScript
Java
Spring Boot
Databases
PostgreSQL
Oracle
MariaDB
Frontend
Angular
DevOps
OpenShift
Helm
Podman
Rancher
GitLab CI
CI/CD
AWS
Docker
Kubernetes
Amazon EKS
Management
Confluence
Jira
Agile
Apply
Account Specialist 1 day ago
Hybrid · Full-Time · 3+ years exp · Saint Louis
Apply
$64k – $78k per year · In office · Full-Time · 6+ years exp · High School Diploma · Saint Louis
Management
SharePoint
Apply
In office · Full-Time · High School Diploma · Saint Louis
Cybersecurity
HIPAA
Apply
In office · 7+ years exp · High School Diploma · Saint Louis
Apply
In office · Full-Time · 12+ years exp · Bachelor's Degree · Saint Louis
Apply
See all jobs
This is one of many
2,122,147 more open roles from verified company boards, updated every day.