> Markdown version of [/jobs/ext/3055857-principal-comms-system-and-modem-engineer-terawave](https://www.wearedevelopers.com/jobs/ext/3055857-principal-comms-system-and-modem-engineer-terawave). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Comms System and Modem Engineer- Terawave - **Company:** Blue Origin - **Location:** San Diego, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $269,175.0 - **Contract:** Temporary contract - **Skills:** Algorithm Design, Systems Engineering, Biometrics, Wireless Broadband, C++ (Programming Language), Computer Engineering, Modems, Data Transmissions, Firmware, Field-Programmable Gate Array (FPGA), Python (Programming Language), MATLAB, Signal Processing, Systems Architecture, System Testing, Systems Integration, Application Specific Integrated Circuits - **Published:** September 24, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88429546/1 ## About the Role * Bachelor's degree in Electrical Engineering, Computer Engineering, or a related technical discipline. * 10+ years of experience in communications systems, modem design, signal processing, or DSP algorithm development. * Strong understanding of digital communications and signal processing fundamentals. * Strong hands-on experience developing and simulating communications and DSP algorithms using MATLAB, Python, C/C++, or similar tools. * Strong understanding of OFDM-based communication systems, including synchronization, channel estimation, equalization, modulation/demodulation, and frequency-domain signal processing. * Experience developing and evaluating modem/PHY algorithms in end-to-end communication-system simulations. * Understanding of practical RF and channel impairments and their impact on modem performance. * Ability to work across modem, RF, ASIC, firmware, and system engineering teams. * Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum., * Master's degree or Ph.D. in Electrical Engineering, Communications, Signal Processing, or a related field. * Deep experience with modem PHY and DSP algorithm development for wireless, cellular, satellite, or broadband communication systems. * Experience with carrier/timing synchronization, CFO/SFO estimation and compensation, channel estimation, equalization, SNR estimation, and impairment compensation. * Experience with FEC, framing, OFDM waveform design, and adaptive modulation and coding. * Experience with fixed-point modeling and implementation of DSP algorithms for FPGA or ASIC systems. * Experience with RF and mixed-signal impairments, including phase noise, frequency offset, IQ imbalance, PA nonlinearities, ADC/DAC effects, and quantization. * Experience with satellite or non-terrestrial communication systems. * Familiarity with 3GPP PHY specifications and modern broadband wireless communication systems. * Experience with pre-silicon simulation, FPGA prototyping, or post-silicon modem bring-up and validation. ## Description As part of a hardworking team of engineers, you will develop and optimize communications systems and modem algorithms for the TeraWave system. You will work across communications theory, DSP algorithm development, system modeling, and modem performance analysis to develop algorithms for high-throughput satellite communication systems. This is a hands-on senior technical role working closely with modem architecture, ASIC, firmware, RF, and system engineering teams from algorithm development and simulation through implementation and system validation. Special Mentions * Relocation provided * Interviews will include a technical assessment * This role is based onsite in Cupertino, CA, San Diego, CA, Kent, WA, or Austin, TX. A temporary remote work exception is approved while our San Diego and Austin sites are being developed Responsibilities include but are not limited to: * Develop and optimize PHY, modem, and DSP algorithms for high-throughput satellite communication systems. * Develop algorithms for synchronization, carrier and sampling frequency offset estimation and compensation, channel estimation, equalization, SNR estimation, modulation/demodulation, and other modem signal-processing functions. * Develop MATLAB, C/C++, Python, or equivalent system-level models to evaluate modem algorithms and end-to-end communication-system performance. * Model and analyze communication channels and impairments, including noise, fading, interference, frequency and phase errors, nonlinearities, and RF impairments. * Evaluate modem architecture and algorithm tradeoffs across performance, complexity, throughput, latency, and implementation. * Work closely with ASIC, RF, firmware, and system engineering teams to translate modem algorithms into the TeraWave implementation. * Support pre-silicon verification, prototyping, system integration, and post-silicon validation of modem algorithms. * Analyze end-to-end system performance and identify opportunities to improve modem and link performance. * Provide technical guidance and contribute to key modem and communications-system architecture decisions., Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S.as a refugee or granted asylum. Background Check * Required for all positions: Blue's Standard Background Check * Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation * Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. * Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical, Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on "Know Your Rights," please see here. Affirmative Action and Disability Accommodation Applicants wishing to receive information on Blue Origin's Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us atEEOCompliance@blueorigin.com. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request. ITAR Requirements To conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158. Learn more about the ITAR here. Equal Employment Opportunity Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, gender, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws. 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