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Salary
$48k – $87k per year
Location
In office (Tucson)
Seniority
Intern
Visa
H-1B filings in 12 months: 50 · for this role: 24 · green card filings: 24
Employment
Internship

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Sep 21, 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.

Leidos is looking for a Junior Software Engineer Intern to join a high performing agile team to support a nationally significant and fast-paced management programs. The Leidos team is focusing on full stack development of user interfaces, restful services, APIs, database scripting, AWS Cloud infrastructure, and integration of micro-services.

Primary Responsibilities

  • The Junior Software Engineer Intern needs to be local to Tucson and will be responsible for software development activities both individually and as a member of the an agile team.

  • The intern will be mentored by Senior Staff through program increment planning, industry standards, and related development activities.

  • The individual will analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques with the help of other team members.

  • The individual will be mentored through software engineering principles and standards to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, modular and reusable.

  • The individual will be assigned various tasks across the program’s full stack to help gain experience, knowledge and application of object orientating programming languages.

Basic Qualifications

  • Working towards a Bachelors’ degree in Computer Science, Mathematics, or similar discipline.

  • Knowledge of, exposure and/or experience working with software design patterns and Web Application Development.

  • Knowledge of, exposure and/or experience using some of the following Programming Languages and tools: Java, JavaScript, Typescript, Python, C++, SQL

  • Familiarity with one or more of the following Development Frameworks: React, Svelte, Vue, Django, SpringBoot, Flask, FastAPI, NodeJS

  • Self-motivated to learn and apply themselves to problem solving

  • Familiarity with GIT standards

  • Must be able to obtain and maintain a TS/SCI with Polygraph clearance

  • US Citizenship required

  • Must be able to commute to or is located in the Tucson area

Preferred Qualifications

  • Some experience developing front end user interface frameworks either through side projects or relevant work experience

  • Familiarity with working in an agile environment

  • Familiarity with working on Full Stack Development

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:

September 21, 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 $48,100.00 - $86,950.00

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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