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# Sr. Systems Software Engineer

- **Company:** SPX
- **Location:** Fremont, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Automation of Tests, Signals Intelligence, Computer Engineering, Continuous Integration, Field-Programmable Gate Array (FPGA), Python (Programming Language), Linux System Administration, MATLAB, Radio-Frequency Identification, Software Architecture, Real-Time Operating Systems, Software Tools, Signal Processing, Software Engineering, Product Software Implementation Methods, Software Systems, Systems Integration, Multithreading, Information Technology, Software Defined Radio
- **Published:** October 20, 2026
- **Apply:** https://www.juju.com/job/23_2A0A501B9F0107308A3203DA4E04AD63

## About the Role

6+ years of relevant product development experience. Strong foundation in digital signal processing (DSP), RF communications systems, receiver architecture, signal detection, and signal analysis. Strong C++ software development skills with experience developing complex software systems. Experience developing multi-threaded software. Strong analytical, problem-solving, and communication skills.

Preferred Knowledge, Skills, and Abilities

Experience developing software in Windows and/or Linux environments. Experience with inter-process and inter-core communication. Experience with Software Defined Radio (SDR) platforms. Experience with spectrum monitoring, direction finding, and geolocation. Experience with FPGA-based signal-processing systems. Experience with Python, MATLAB, or similar engineering tools. Familiarity with modern source-control, CI/CD, and automated test practices.

Education & Certifications

MS in Electrical Engineering, Computer Engineering, Computer Science, or a related discipline with emphasis in Digital Signal Processing (DSP), RF Communications, Wireless Communications, Signal Analysis, or related fields. A PhD is preferred. A BS with substantial directly relevant experience will also be considered. Must be a U.S. citizen or Permanent Resident (uncondition) to meet faciltiy ITAR compliance requirements

## Description

Building the people that build the world. With platforms in HVAC and Detection and Measurement, SPX Technologies builds innovative solutions that enable a safer, more efficient, sustainable world. Through our RiSE talent development framework, we Reach, Identify, Strengthen, and Engage our employees to support them in their continued development. We're a global company of problem solvers, collaborators, and innovators, and our businesses build solutions that impact the world. As part of Detection and Measurement, TCI is a global leader in innovative spectrum monitoring and communications intelligence (COMINT) systems. With solutions to ensure the efficient use of frequencies, long distance communications, monitoring and security communications intelligence applications, we improve communications and protect military forces and infrastructure around the world. How you will make an Impact (Job Summary) SPX is a diverse team of unique individuals who all make an impact. As a Senior
Systems Software Engineer at TCI, you will contribute to the design and development of advanced RF signal acquisition, processing, analysis, and direction-finding systems used for spectrum monitoring and communications intelligence applications. You will work with multidisciplinary engineering teams to develop software that transforms complex RF and signal-processing concepts into high-performance products used by customers worldwide. What you can expect in this role (Job Responsibilities) While each day brings new opportunities at SPX, your core responsibilities will be:

Design, develop, and maintain embedded and real-time software for RF and signal-processing systems. Enhance existing products and develop new capabilities across TCI's product portfolio. Collaborate closely with systems, hardware, test, and software engineers to deliver integrated product solutions. Support system integration, performance analysis, troubleshooting, and field issue resolution. Participate in software architecture, technical trade-off analysis, and design reviews. Contribute technical expertise in signal processing, RF systems, and software implementation.

What we are looking for (Experience, Knowledge, Skills, Abilities, Education) We each bring something to the table, and we are looking for someone who has: Required Experience