Senior Signals Software Engineer - 25k Sign on Bonus

Leidos

$131K — $237K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field with 15 years of experience, or equivalent experience without a degree.
  • 7 years as a Senior Software Engineer (SSWE) focusing on Radio Frequency (RF) technologies required.
  • Extensive knowledge in Fourier transforms, filtering, communications theory, digital modulation, and error control coding.
  • Active TS/SCI clearance with a polygraph is mandatory.

Responsibilities

  • Analyze user requirements to define software designs and specifications.
  • Design, develop, and enhance software features or functionalities.
  • Debug and resolve software system defects.
  • Effectively use signal processing techniques and digital modulation methods.
  • Develop software using C++ and Java on Linux.
  • Ensure seamless software integration into systems.
  • Lead and participate in software component testing procedures.
  • Write and review software documentation, suggesting process improvements.
  • Apply scientific analysis and mathematical models for software design.

Benefits

  • Eligible for a $25,000 sign-on bonus.
Full Job Description
Position is eligible for a $25,000 sign on bonus.

Primary 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.
  • Write and review software and system documentation, providing recommendations to improve processes and standards.
  • Apply scientific analysis and mathematical models to design software solutions and predict outcomes.


Basic Qualifications:
  • 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) to include 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). Seven (7) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor's degree.
  • Clearance Requirement: Active TS/SCI with polygraph


Preferred Qualifications:
  • 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).
  • Background in Agile development teams and geolocation techniques.


CONMD

CSSRC

Original Posting:
May 20, 2026

Pay Range:
Pay Range $131,300.00 - $237,350.00

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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