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Salary
$108k – $195k per year
Location
In office (San Diego)
Seniority
Staff · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Sep 23, 2026. Leidos scores A 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 has a new and exciting opportunity for a Software Engineer in our INTEL Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Description:

Leidos is seeking a Software Development Engineer to support analysis, design, development, and testing of cross-platform applications. The role involves working with Linux and Android, using development platforms such as Qt and Android, and programming in C++. Experience with SQLite and integrating modules across languages is desired. You will work in an Agile Scrum environment, applying solid software engineering, object-oriented, and functional programming principles to produce maintainable, efficient, secure, and reliable code. Responsibilities also include supporting configuration management and understanding interfaces with APIs and host systems (virtualized, containerized, or hardware). The position collaborates closely with UI/UX engineers, software and system engineers, AI engineers, and QA teams to meet customer requirements. With a 9/80 schedule, and every other Friday off, our flexible work environment provides you a chance to change the world without giving up your personal life.

Required Qualifications:

  • Position requires a current/active Secret DoD security clearance.
  • BS Degree in Computer Science or equivalent with 8-12 years’ experience.
  • 8+ years of experience developing for Linux/Unix and Android operating systems.
  • 8+ years’ experience with C++
  • 1-4 years of experience with Qt and Android application platforms
  • Experience in design and implementation of user interfaces for embedded applications / mobile devices with modern UI & Graphics frameworks.
  • The ideal candidate will have experience developing mobile applications with an eye for resource limited (and therefore optimized) software engineering.
  • Current Security + Certification (will need to achieve within 90 days of hire)

Preferred Qualifications:

  • Experience in Scrum Methodology or other Agile practices.
  • Experience with Mobile Application Development.
  • Experience with Software CM (e.g., Subversion, Git, GitLab, GitHub).
  • Experience with UI / UX Development Frameworks (e.g., Qt, Android, AngularJS, Ionic, GWT, SmartGWT, React, Node.js).
  • Experience with Agile Management Tools and Concepts (e.g., VersionOne, JIRA, Rally, etc.).
  • Experience with Automated Testing Tools/Technologies/Concepts (Squish for Qt, TDD, Selenium, Cucumber, Gherkin, BDD, Catch 2, Flawfinder, Valgrind).
  • Experience with formalized API development methodologies (e.g., OpenAPI 3.0)
  • Experience with SQLite, NNG, Google Protocol Buffers, Clang Format, Clang-Tidy a plus

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 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 $107,900.00 - $195,050.00

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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