Software Engineer SME at Leidos, Tucson AZ

Software Engineer SME at Leidos in Tucson AZ. Full-time. $131,300 to $237,350 a year. Apply with swipeandhired.

What if your technical expertise could influence not just an application, but the technology strategy behind a mission that matters? Leidos is seeking a proficient Software Engineer Subject Matter Expert (SME) to join the Chinook Program supporting an Intelligence Community customer and an application supporting important national security objectives.

As a Software Engineer SME, you’ll have the opportunity to shape architecture, drive modernization, solve the most complex engineering challenges, and establish the technical direction for critical capabilities. You’ll work alongside exceptional engineers, architects, program leaders, and mission stakeholders while remaining close to technology and solving problems that demand deep technical expertise.
The Software Engineer SME provides the highest level of technical expertise within the software engineering organization. The SME serves as a technical authority, architect-level contributor, mentor, and problem solver for complex engineering challenges.
The SME is expected to influence technical direction across teams and capabilities while remaining capable of directly designing, developing, reviewing, troubleshooting, and improving software.

Position may be performed in the following locations below.

Clearance Level Required:
Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities:

Basic Qualifications:

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

Preferred Qualifications:

#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:
October 15, 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 $131,300.00 - $237,350.00
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.