Software Engineer Intern

Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Our division currently has an exciting opportunity for a Software Engineer Intern to perform design, development, and hardware/software integration in Arlington, VA for the EW Division in the summer.

Our division primarily focuses on research and development and advanced prototyping, transforming state of the art signal processing algorithms into real-time software systems.

Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations.

Join a team of experts in implementing high-performance signal processing on general purpose processors and graphical processing units. Primary Responsibilities: • Contribute to design and development of advanced systems as a part of multi-disciplinary teams consisting of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing.

• Design, implement, and test real-time C/C++ software for multi-core systems running Linux or a real-time operating systems, such as VxWorks.

• Build software products that utilize third party mathematics and communication libraries. • Interface communication standards / protocols such as TCP/IP, UDP, and DDS.

• Read and understand signal processing algorithms written in MATLAB. • Work with Linux operating system as well as experience with real-time operating systems.

• Design, implement, and test software to configure and control RF hardware devices. • Integrate software into third-party software frameworks and architectures, such as Redhawk.

• Document the developed systems. Basic Qualifications: • Currently pursuing a Bachelor’s Degree in Computer Engineering, Electrical Engineering, Computer Science, or related discipline.

• 0+ years of software development experience, including strong experience in programming in Python, MATLAB, or C++. • Experience using version control (e.

g. git, Subversion) and continuous integration software tools (e.g. Jenkins). • Experience with software testing tools and methodology. • Experience in creating and maintaining technical documentation for developed software.

• Exposure to hardware interfaces (e.g. PCIe, UART, or Ethernet). • Exposure to build tools (e.g.  GCC, CMake, or Make). • Strong understanding of object-oriented design.

• Understanding of hardware-software interaction and computer architecture. • Understanding of unit test frameworks and test-driven development practices.

• Ability to communicate and share ideas, concepts, and designs with a team of Engineers. • Ability and motivation to continually learn new technical skills and concepts.

• Ability to obtain and maintain a Secret Security Clearance. • U.S. Citizenship is required. Preferred Qualifications: • Obtained an active Secret Security Clearance or higher.

• Experience maintaining, tracking, and updating ticket/status using Gitlab or similar interface. • Experience using common scripting languages (e.g. bash).

• Experience with software architecture and design. 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 2, 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.