Constellation Technologies

Software Engineer (SIGNALS) - Level 02 - FULLY CLEARED with POLYGRAPH REQUIRED

Columbia, MD$220k–$250ksoftware & database engineersmidAdded 1 week ago

About this role

This is a specialized software engineering role focused on signal processing and software-defined radio systems for a federal contractor. The position requires active Top Secret/SCI clearance with polygraph and U.S. citizenship due to government contract obligations.

What you'll do

Develop and maintain software-defined radio architectures and systems
Design and implement solutions using commercial wireless standards and geolocation techniques
Manage software configuration and version control across development projects
Apply model-based design approaches for signal processing applications
Architect service-oriented solutions for signals intelligence applications
Contribute to secure, cleared development environments

What they're looking for

Software-defined radio (SCA, REDHA WK, GNU Radio)
Python programming
Linux operating systems
Git, Clearquest, Trac, or Subversion
MATLAB and Simulink
Eclipse IDE
Google Protocol Buffer
Wireless standards and geolocation techniques

Likely interview questions

Describe your experience with software-defined radio architectures—specifically which platforms like SCA, REDHA WK, or GNU Radio have you worked with, and what were your main responsibilities?
Walk us through a project where you designed or implemented a service-oriented architecture. What challenges did you face and how did you resolve them?

Tell us about your experience with geolocation techniques. Have you implemented any geolocation algorithms, and if so, what methods did you use?
You'll be using multiple version control and configuration management tools here. Which of these—GIT, Clearquest, Trac, or Subversion—have you used most extensively, and how did you manage complex branching strategies?
Describe your experience with model-based design tools like Matlab or SIMULINK. How have you used them to design or validate RF/wireless systems?
How have you used Python for signal processing or RF-related tasks, and what libraries or frameworks have you worked with?
This role requires handling classified government contracts. Can you speak to your experience working in compliance-heavy environments and managing code review processes for security-sensitive projects?

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