Software Engineer

Looking for an opportunity to make an impact? This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos Defense is seeking several Software Engineers at various career levels to join a highly talented RF Systems Portfolio team located in Huntsville, AL. This portfolio supports radar design, hardware builds, algorithm development, software development, hardware-in-the-loop (HWIL) testing, and weapons system analysis across a diverse range of research, development, and operational programs. If this sounds like the kind of environment where you can thrive, keep reading! Primary Responsibilities In this role, assignments may focus on one or more of the following areas: Design, develop, test, and maintain software using Agile methodologies. Develop tactical software for Leidos Defense radar systems. Create modeling, simulation, and analysis toolsets supporting: Algorithm development Requirements development System testing Prototype radar system development Test, analyze, and debug complex software systems across multiple architectures and operating systems. Collaborate in a fast-paced, team-oriented environment supporting advanced RF and radar technologies. Basic Qualifications This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or related field from an ABET-accredited institution with a 3.0 GPA or higher plus 2 - 4 years of experience in software development or engineering OR Masters degree with less than 2 years of experience. Strong understanding of: Object-oriented design Data structures Network communications Excellent verbal, written, and visual communication skills. Ability to thrive in a collaborative, fast-paced technical environment. Must be a US citizen, possess an active secret clearance or able to obtain and maintain an active secret clearance. Must reside in the Huntsville, AL area or willing to relocate to the Huntsville, AL area. Preferred Qualifications Experience with: C++ Python Linux Git MATLAB Familiarity with radar systems is 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: July 29, 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 $87,100.00 - $157,450.00 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.