Sr. Software Engineer (Clearable US Citizen) Linux, C/...

SSA LLC has a premier client looking for a FULL-TIME resource is seeking a senior level SOFTWARE ENGINEER to work on-site at their headquarters in FAIRFAX, VA. The candidate must have a minimum of five (5) years of professional experience in the design and implementation of software for signals or data processing systems. Experience in all aspects of code design, implementation, testing, analysis, and debugging. Experience in client-server architectures and networking techniques and protocols. Languages to be used include C, C++, and Python. Object-Oriented Design experience is a plus. Operating systems include Linux. This role will eventually move into a position requiring a security clearance which our client will sponsor. Key Responsibilities: Design, implement, test, and deploy data processing system software Develop interfaces to control, status, and monitor systems Manage system software configurations and baselines Required: BS degree in Electrical Engineering, Computer Science, or related field. Five (5) or more years of software engineering experience Experience in LINUX and C/C++ DO-278A (Critical SW development techniques in aviation) Highly desired Desired: MS degree in Electrical Engineering, Computer Science, or related field. MATLAB experience GNSS (GPS, Galileo) experience Experience in the development of database management systems (flat-file, relational, and object- oriented) Experience in communications systems development and test. Knowledge of communications systems theory with strengths in analog/digital modulation/demodulation Knowledge of signal processing algorithms/techniques Knowledge of safety critical software development techniques (DO-278A) Experience with the following COTS Tools: Eclipse Desktop C++ IDE, Intel C++ Compiler, Vectorcast Unit Test Framework, Vectorcast QA, Synopsys Coverity

Created: 2026-03-06