Software Engineer – SystemsSignal Processing at Leidos

Leidos is seeking a talented Mid-Level Software Engineer to join our growing team. The ideal candidate is a strong C developer with a solid foundation in Linux-based systems and multi-threaded application development. You will contribute to the design development and maintenance of high-performance real-time software systems. We have offices across the United States engaging in the defense space cyber and commercial fields We provide responsive cost-effective engineering scientific and IT solutions.Primary ResponsibilitiesAs a Mid-Level Software Engineer you will design develop and maintain high-performance real-time C applications on Linux using modern object-oriented principles robust multi-threaded architectures Google Test-driven unit testing and GitLab-based workflows while leveraging MATLAB for prototyping and occasionally accelerating performance with CUDA signal-processing techniques or radar-related algorithms. Youll take full ownership of features from concept to deployment contribute to system design (potentially using UML) and enhance tooling with Python Bash and containersall while writing clean well-documented code and collaborating closely in a high-trust team. Were looking for a proactive problem-solver with excellent communication skills a passion for quality and performance and genuine enthusiasm for tackling challenging problems the right way in a Linux/C centric environment.Basic QualificationsCandidate must possess a Bachelors Degree in Computer Science Computer Engineering or equivalent degree from an ABET-accredited university and 24 years of professional software development experience or Masters with less than 2 years of prior relevant experience.Strong proficiency in modern C (C11/14/17/20)Deep experience with object-oriented design and programmingProven expertise in multi-threaded application developmentSolid understanding of Linux development and debugging toolsProficiency with GitLab for version control CI/CD pipelines and code reviewsExperience writing unit tests using Google Test (gtest) or similar frameworksFamiliarity with MATLAB for prototyping or data analysisExperience with Agile/Scrum methodologies and task managementCandidate must be a resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama AL area.Must be able to obtain and maintain a DoD Secret security clearance.Preferred QualificationsAdditionally a candidate with experience in the following areas is desired however not necessarily required.Hands-on experience with CUDA and GPU programmingBackground in digital signal processing (DSP)Exposure to radar systems or RF applicationsExperience with containerization (Docker Podman etc.) and orchestration toolsProficiency or familiarity with PythonBash/shell scripting for automation and toolingKnowledge of UML for software design and documentationIf youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.Original Posting:December 4 2025For 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 $69550.00 - $125725.00The Leidos pay range for this job level is a general guideline onlyand 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. Key Skills Academics,Hardware & Networking,ASP.NET,Business Operations,Barista,ERP Employment Type : Full-Time Experience: years Vacancy: 1 Monthly Salary Salary: 69550 - 125725