RF Communications Signal Processing Test Engineer

ou'll be an integral part of a dynamic engineering team that helps shape the future of advanced communication systems for the Department of Defense (DoD). In this role, you'll conduct in-depth analyses and studies to provide critical insights and recommendations, empowering our DoD customers to make informed decisions on next-generation communication solutions. Your expertise will help guide government entities in designing and deploying advanced, cost-effective communication architectures that support and enhance the capabilities of the warfighter in real-world field environments.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with "can't fail" missions. To explore and learn more, click here !

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Primary Responsibilities.

• Support team members in the analysis of pertinent communications technologies targeted for the DoD uncrewed systems community.

• Support team members in the experimentation, both lab and outdoor environments, with new communications technologies.

• Support team members in the analysis of data acquired in the testing activities.

• Support team members in the reporting and presentation of test data.

Basic Qualifications.

• Bachelor's degree in Electrical Engineering, Mathematics, or Physics with at least 4-8 years of relevant experience in RF signal processing, communications, or Electronic Warfare (EW) environments or Master's degree in Electrical Engineering, Mathematics, or Physics with at least 2-6 years of relevant experience in RF signal processing, communications, or Electronic Warfare (EW) environments.

• Strong understanding of RF concepts, including RF testing, propagation, schematics, and link budgets, especially in relation to over-the-air signal detection.

• Proficient in communications waveform modulation theory, including techniques such as Phase-Shift Keying (PSK) and Quadrature Amplitude Modulation (QAM).

• Knowledgeable in Forward Error Correction (FEC) methods, including Low-Density Parity Check (LDPC), turbo codes, and Reed-Solomon (RS) coding.

• Hands-on experience with RF test equipment, including spectrum/signal analyzers, function generators, and oscilloscopes.

• Experienced in radio testing in both laboratory and outdoor (e.g., field, flight testing) environments.

• Skilled in processing and interpreting complex data sets, with proficiency in object-oriented MATLAB programming or similar analytical tools.

• Must be a US Citizen and process and be able to maintain an active Secret clearance and be able to obtain and maintain a Top-Secret clearance.

• Must be a resident of Huntsville, AL or be willing to relocate to the Huntsville, AL area.

Preferred Qualifications

• Strong foundation in waveform modulation theory, including techniques such as PSK and QAM.

• Proficiency in signal modeling, filter and noise modeling, Fourier transforms, and general signal processing techniques.

• Practical experience with Beyond Line of Sight (BLOS) and LOS communication systems.

Original Posting:
April 1, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $85,150.00 - $153,925.00

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.