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Riverstone Enterprise Solutions Logo Riverstone Enterprise Solutions · IT - Software Development

Principal Signals Software Engineer

United States, Columbia 190000.00 - 215000.00 USD / Year · Job Posted May 05, 2026
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Job Description

Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by building high-performing engineering teams and developing innovative enterprise solutions. Our engineers work in a collaborative, zero-bureaucracy environment where expertise is valued, ideas are heard, and contributions directly drive mission success. Your adventure begins now—unleash your potential at Riverstone, we combine the agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Signals Software Engineer Level 3 to join our team in Columbia, MD. This is onsite position.

Job Responsibility

  • Maintain, and enhance signal processing software (e.g. detectors, demodulators, protocol processors).
  • Analyze user requirements to derive software design and performance requirements
  • Design and code new software or modify existing software to add new features
  • Debug existing software and correct defects
  • Describe various signal processing techniques
  • Identify various digital modulation techniques
  • Write software using C++ Java
  • Functional understanding of the Linux operating system
  • Integrate existing software into new or modified systems or operating environments
  • Provide recommendations for improving documentation and software development process standards
  • Develop/implement algorithms to meet system performance and functional standard
  • Assist with developing and executing test procedures for software components
  • Write/review software and system documentation
  • Develop software solutions, confer with users or system engineers
  • Modify existing software to correct errors to adapt to new hardware, or to improve its performance
  • Design, develop and modify software systems using scientific analysis and mathematical models to predict and measure outcome and consequences of design
  • Use signal processing algorithms to convert a signal
  • Design signal processing software based on sparse documentation
  • Identify the source of problems in a Radio Frequency (RF) processing system

Requirements

  • Bachelor's degree in computer science or related discipline from an accredited college or university. Four (4) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor's degree.
  • At least 12 years' experience as a Signals Software Engineer 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. WYT, DVT), and digital signal processing (e.g. adaptive beamforming/ filtering, demodulation).
  • Current/Active TS/SCI with Full Scope Polygraph

Nice to have

  • Software defined radio architectures (e.g. SCA, REDHA WK, or GNU)
  • commercial wireless standards
  • geolocation techniques
  • software configuration management tools (e.g. GIT, ClearQuest, Trac, or Subversion)
  • Python
  • Eclipse IDE
  • Google Protocol Buffer
  • model-based design (e.g. Matlab, SIMULINK)
  • service-oriented architecture
  • Linux OS
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