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Senior Signals Software Engineer

Leidos

$126,100 - $227,950
Sep 10, 2025
Annapolis Junction, MD, USA
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Leidos is seeking a Senior Signals Software Engineer to contribute to their National Security Sector's Cyber & Analytics Business Area, focusing on advancements in Security Engineering, Computer Network Operations, Mission Software, Analytical Methods and Modeling, Signals Intelligence, and Cryptographic Key Management.

Requirements

  • Experience with Fourier transforms, filtering, communications theory, digital modulation, error control coding, signals analysis tools (e.g. WVT, DVT), and digital signal processing (e.g. adaptive beamforming/ filtering, demodulation).
  • Experience with software-defined radio architectures (e.g., SCA, REDHAWK, GNU) and commercial wireless standards.
  • Proficiency in software configuration management tools (e.g., GIT, Trac, Subversion).
  • Familiarity with Python, Eclipse IDE, Google Protocol Buffer, and model-based design tools like MATLAB or SIMULINK.
  • Knowledge of service-oriented architecture, Kubernetes, Docker, and cloud deployment (e.g., AWS).
  • Expertise in front-end technologies such as JavaScript, TypeScript, HTML, and CSS, including libraries like React, Vue, or Angular.
  • Experience working with REST APIs, WebSockets, and JavaScript 3D libraries (e.g.,Three.is a plus).

Responsibilities

  • Analyze user requirements to derive software design and performance specifications.
  • Design, develop, and enhance software to add new features or improve existing functionality.
  • Debug and resolve defects in software systems.
  • Utilize signal processing techniques and digital modulation methods effectively.
  • Develop software using C++ and Java within Linux operating systems.
  • Integrate software into new or modified systems, ensuring seamless operation.
  • Lead or participate in the development and execution of test procedures for software components.

Other

  • Active TS/SCI with polygraph
  • Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required with 15 years of experience.
  • Seven (7) years’ experience as a SSWE or equivalent on a project with a focus on Radio Frequency (RF)
  • Seven (7) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor’s degree.
  • Background in Agile development teams and geolocation techniques.