Senior Signals Software Engineer

About the role

Riverstone Enterprise Solutions is a technology company delivering innovative technology, engineering, cybersecurity, and mission support solutions to the Intelligence Community since 2008. The company fosters a collaborative, people‑first culture where creativity is encouraged and professional growth is supported. Riverstone is seeking a motivated, career‑oriented, and customer‑focused Senior Signals Software Engineer to join the team in Annapolis Junction, Maryland.

Responsibilities

• 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++ and Java.
• Demonstrate 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 and implement algorithms to meet system performance and functional standards.
• Assist with developing and executing test procedures for software components.
• Write and review software and system documentation.
• Develop software solutions in collaboration with users or system engineers.
• Modify existing software to correct errors, adapt to new hardware, or improve performance.
• Design, develop, and modify software systems using scientific analysis and mathematical models to predict and measure outcomes 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, Computer Engineering, Electrical Engineering, Mathematics, or a related technical discipline (four years of Signals Software Engineering experience may substitute for the degree).
• Minimum of seven years of experience as a Signals Software Engineer or equivalent role supporting Radio Frequency (RF) systems.

Skills

• Strong experience with Digital Signal Processing (DSP).
• Fourier Transforms.
• Digital Filtering.
• Communications Theory.
• Digital Modulation Techniques.
• Error Control Coding.
• Signal Analysis Tools (e.g., WVT, DVT, or similar).
• Adaptive Beamforming and Filtering.
• Signal Demodulation Techniques.

Riverstone Enterprise Solutions, an Envision Company, is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran status, age, disability, or any other basis prohibited by law.