Jobs in the United States

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Added 2 mins ago
Senior Software Engineer - Computational Geometry
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United States
Thermal constraints limit AI infrastructure, semiconductor equipment, power electronics, and defense systems. Johnson Controls removes those constraints. Enabled by the Stack Forging™…
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Lead Engineer, Engine Wiring Harnesses
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Cloud Systems Engineer
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As a Cloud Systems Engineer you will be responsible for the implementation, maintaining, and supporting cloud infrastructure that powers our software platforms. You will handle…
Added 12 mins ago
Senior Software Integration Engineer (on-site)
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…create a safer, more connected world. As a Senior Software Integration Engineer on the Enterprise Mission Integration & Test (EMIT) program, you will join a dynamic team working at the…
Added 12 mins ago
Power Platforms Junior Engineer
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Added 12 mins ago
Lead Software Engineer
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Join Evolent for the mission. Stay for the culture.
Added 13 mins ago
Lead Application Support Engineer-Java/AWS
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We are seeking a highly skilled Senior Application Support & Maintenance Engineer to support and enhance a business-critical enterprise application ecosystem. The successful candidate will…
Added 13 mins ago
Lead Solution Architect with AI Experience
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Philadelphia, PA · Pittsburgh, PA
Join Deloitte's AI & Engineering practice and help architect, build, and scale technology solutions that transform mission-critical business operations. In this role, you will help clients…
Added 15 mins ago
A
Associate DevSecOps Engineer, Platform and Tooling
AbbVie
Remote, United States
- $84,500 to $162,000 USD / year
Join our Information Security team as an Associate DevSecOps Engineer and be part of the core team building a global enterprise-grade Application Security program from the ground up. You…
Added 16 mins ago
Principal Software Systems Quality Engineer Marlborough, MA
RTX
United States
Our team in Marlborough, MA, has an immediate need for an onsite Principal Software Systems Quality Engineer (Quality Assurance/Compliance) to support Land & Air Defense Systems (LADS) to…
Added 19 mins ago
Analytical Engineer
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At USAA, our mission is to empower our members to achieve financial security through highly competitive products, exceptional service and trusted advice. We seek to be the #1 choice for the…
Added 25 mins ago
Principal Embedded Software Engineer
CORP-Corporate Office
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Northrop Grumman Mission Systems is looking for a Principal Embedded Software Engineer with the desire to learn new technologies and develop software for cutting edge Undersea Payloads. The…
Added 25 mins ago
Senior Principal Embedded Software Engineer
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Northrop Grumman Mission Systems is looking for a Senior Principal Embedded Software Engineer with the desire to learn new technologies and develop software for cutting edge Undersea…
Added 25 mins ago
Systems Engineer Level 3 / 4
CORP-Corporate Office
United States
Northrop Grumman is seeking a Systems Engineer Level 3 / 4 to join our team based out of Cape Canaveral, FL. The Marine Systems organization, part of Northrop Grumman Mission Systems, is…
Added 29 mins ago
Zero Trust ICAM Engineer
Booz Allen Hamilton_United States
Fayetteville, NC
As an ICAM Engineer within the Department of War, you'll craft solutions that strengthen national defense and safeguard mission-critical assets while championing a zero-trust strategy.…
Added 36 mins ago
Lead Software Engineer - Consumer Community Banking
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New York, NY · NY · Plano, TX
Title: Lead Software Engineer, Consumer & Community Banking, Travel
Added 39 mins ago
Guidance Navigation & Control Engineer
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SAIC’s National Security and Space Sector (NSS) seeks a Guidance Navigation & Control Engineer to drive mission-critical engineering and analytical solutions for joint Intelligence…
Added 48 mins ago
Mechanical Engineer, Fluids & Packaging
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Victorville, CA
Mach Industries is seeking a Mechanical Engineer with experience in fluid systems and hardware packaging. You’ll develop fluid-related mechanical hardware and packaging solutions for…
Added 48 mins ago
Mechanical Engineer, Flight Mechanisms & Stage Separation
Mach Industries
Victorville, CA
Mach Industries is seeking a Mechanical Engineer to design and develop mechanisms for flight vehicles, stage separation, and ground launch systems. This role focuses on flight mechanisms…
Added 48 mins ago
Deputy Chief Engineer, Program Integration
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Victorville, CA
…next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of…
Added 57 mins ago
Test Engineer/Quality Assurance
Nightwing
Ft George G Meade, MD
Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.…
Added 57 mins ago
AI Advisor
Altamira Technology Corporation
Suitland, MD
…providing expert guidance on emerging AI capabilities and their integration into Department operations. This role combines deep technical expertise with strategic leadership to shape AI…
Added 57 mins ago
INTERDISCIPLINARY ENGINEER/ PHYSICIST
Naval Air Systems Command
Patuxent River, MD
Added 57 mins ago
Mission Systems Engineer (Principal/Sr Principal) - Signatures Limitations and Constraints Management Lead (AHT)
Northrop Grumman
Linthicum Heights, MD
Northrop Grumman Space Systems is a strategic partner specializing in delivering intelligence, surveillance, and reconnaissance solutions for classified and unclassified missions in space.…
Added 57 mins ago
Senior Automated Test Engineer
Leidos
Gaithersburg, MD
Leidos is seeking a Senior Test Automation Engineer to help deliver mission-essential software capabilities that enable intelligence professionals to access critical information, analyze…

LEIDOS, INC.

Junior Software Engineer

Tucson, AZ, United States
Alexandria, VA, United States
St. Louis, MO, United States
Gaithersburg, MD, United States
Chantilly, VA, United States
Englewood, CO, United States

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.

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Job details

Pay: 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.
Posting language: English
Posted: Nov 3, 2026

Original job description

Build Your Software Engineering Career on a Mission That Matters

Ready to take your software engineering skills beyond the classroom and into a mission where your work has real-world impact? Leidos is seeking a talented Junior Software Engineer to join the Chinook Program supporting an Intelligence Community (IC) customer and helping evolve an application that plays an important role in national security.

As a Junior Software Engineer, you’ll work alongside experienced engineers, architects, testers, and DevSecOps professionals while gaining hands-on experience developing, integrating, testing, and delivering modern software capabilities. The Junior Software Engineer will work within an Agile development team and will receive technical guidance from senior engineers while progressively taking ownership of software components and features. You’ll have the opportunity to learn new technologies, tackle meaningful engineering challenges, and see your contributions become a part of a real operational mission.

Position may be performed in the following locations below. Tucson, AZ Gaithersburg, MD Alexandria, VA Chantilly, VA Englewood, CO St. Louis, MO

Clearance Level Required:

Candidate must be able to obtain and maintain a Top Secret clearance, be eligible for SCI access and successfully complete a polygraph examination.

Primary Responsibilities:

Develop, modify, test, and deploy software solutions that support our customer’s GEOINT mission under the guidance of senior engineers.
Implement software features based on established requirements and technical designs.
Write clean, maintainable, and well-documented code.
Participate in code reviews and incorporate feedback from senior engineers.
Develop and execute unit and integration tests.
Troubleshoot software defects and assist with root-cause analysis.
Support integration of application components and services.
Work with REST APIs, databases, and application services.
Participate in agile development sprints and contribute to daily stand-ups, sprint planning, and retrospectives.
Collaborate with mission users and product managers to refine requirements and improve user experience.
Use Git and established CI/CD processes to manage and deliver software.
Maintain technical documentation and development artifacts.
Support deployment and sustainment activities for the application.
Build and maintain secure, containerized applications using technologies such as Docker, Kubernetes, and AWS.
Support DevSecOps pipelines and ensure code meets security and accreditation standards.
Resolve various tasks as prioritized by the team product owner.

Basic Qualifications:

US citizenship is required per contract
Bachelor's degree in Computer Science, Software Engineering, or related field and 2-4 years of prior relevant experience or Master’s with less than 2 years of prior relevant experience. Equivalent experience may be considered in lieu of degree
Experience with the following technologies:

Web: HTML, CSS, JSON, Ajax, and REST APIs Object-oriented Programming: Python, Java, or JavaScript Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte Cloud Development: AWS, Azure, or similar cloud platforms Relational Database: MySQL, PostgreSQL, or SQL Server Operating System: Windows, Linux

Version Control System: Git

Understanding of modern software design patterns and coding standards. Experience architecting, developing, and delivering complex software systems into production. Experience with CI/CD tools (GitLab CI, Jenkins) and agile collaboration tools (JIRA, Confluence). Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies (Docker, Kubernetes) Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs) Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Preferred Qualifications:

Experience working on a customer contract or in the Intelligence Community (IC).
Frontend Web Development: UI/UX.
NoSQL Database: OpenSearch/Elasticsearch.
Cloud Exposure:

Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle. Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS.

Familiarity with geospatial tools and standards:

GeoServer PostGIS OGC APIs ESRI ArcGIS Exposure to Infrastructure-as-Code (Terraform, Ansible).

#Chinook #NSBA 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:

November 3, 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.

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