Senior SDR Software Engineer

Building the people that build the world.

Job Summary

SPX is a diverse team of unique individuals who all make an impact. As a Sr. Embedded Software Engineer, you will actively participate in the development of radio frequency signal acquisition/processing/storage/retrieval, IQ data transport, direction finding and analysis systems used for spectrum monitoring and communications intelligence purposes. This person will apply their strong real‑time embedded server development background, knowledge of radio frequency communications, reception and signal processing techniques as well as software development skills to meet signal detection, parameter measurement and analysis challenges facing spectrum regulators and intelligence organizations around the globe. Specifically, this person will develop software to implement architectures using TCI’s existing technical base along with new development work that will satisfy both customer‑specific and market‑generic requirements.

Responsibilities

• Develop a deep understanding of TCI’s Embedded server architectures and become a key contributor to architecting and implementing improvements and new features for our products.
• Modify existing software and/or develop new software to implement improvements or add new features to our systems. Support testing and analysis of new hardware and software performance up to the system level.
• Provide technical support to our product support group by interfacing with customers to deploy new products, solve issues found in the field and to understand potential product improvements.
• Other duties as assigned.

Required Experience

• Experience with Spectrum Signal Processing algorithms, FFT, CCDF, ZIF, DDC, and managing Interrupts/data blocks
• Extensive C/C++ software development experience (4+ years) with proficiency in such language features as templates, Lambda functions, vectors, maps and algorithms etc. using C++11 or newer standards
• Clear understanding of ADCs, RF Receiver architectures and associated quality metrics
• Extensive experience in design, implementation and testing of complex real‑time multithreaded/multitasking/multicore embedded server software.
• Experience with designing well‑crafted C++ classes/modules
• Cross‑platform programming for Linux and Windows targets
• Clear understanding of Synchronization primitives, Queueing and task scheduling
• TCP Message based Client/Server communication
• Realtime hardware control and data acquisition
• TCP/UDP Networking and socket level programming
• GUI design and programming using Visual Studio and Open‑source tools
• Databases and database programming (incl. SQLite)
• Ability to quickly learn and support a large existing C++ code base.
• Excellent communications skills
• Ability to write technical product documentation

Preferred/Desired Knowledge, Skills, and Abilities

• Knowledge of Signal Direction finding / Geolocation concepts
• Extensive Math, Digital Signal Processing (DSP) and RF communication signals background
• Signal analysis techniques and tools
• RF system and Software Defined Radio (SDR) Platforms such as HackRF, USRP, Pluto and application Frameworks such as GNU Radio, CubicSDR, SDR++ etc.
• Xilinx/AMD Zynq and/or UltraScale+ development experience
• PCIe and NVMe interfaces
• Python programming
• MATLAB/Octave experience
• Microsoft Visual Studio, Visual Studio Code, TFS and Git
• RF Measurement equipment (VSA/spectrum analyzers, signal generators, and other electronic test equipment)
• Windows, including desktop and embedded variants (IoT)
• Intel IPP
• Linux utilities and shells
• Experience with MFC, C# and Windows development tools/APIs
• Docker containers and VMs
• Creating and maintaining automated software build systems
• Generation and execution of QA testing including writing automated QA test programs

Education & Certifications

• 6+ years relevant work experience.
• MSEE/MSCS (or BSEE/BSCS with extended relevant work experience) with emphasis on Embedded Software and Digital Signal Processing/Wireless Communication
• Must be a U.S. citizen or Permanent Resident

Salary Range

We recognize that attracting the best talent is key to our strategy and success as a company. As a result, we aim for flexibility in structuring competitive compensation offers to ensure we are able to attract the best candidates. The quoted salary range for this position is $150,100- $180,000 and represents our good faith estimate as to what our ideal candidates are likely to expect. The company tailors offers within the range based on organizational needs, internal equity, market data, geographic zone, and the selected candidate’s experience, education, industry knowledge, location, technical and communication skills, and other factors that may prove relevant during the selection process. This position is eligible to participate in a discretionary bonus subject to the rules governing the plan. SPX offers a variety of benefits, including health benefits, 401K retirement with a company match, and flexible time off. More information about our benefits can be found on the “Rewards and Benefits” section of our career page.

Benefits

• Generous and flexible paid time off including paid personal time off, caregiver, parental, and volunteer leave
• Competitive health insurance plans and 401(k) match, with benefits starting day one
• Competitive and performance‑based compensation packages and bonus plans
• Educational assistance, leadership development programs, and recognition programs

SPX is an affirmative action and equal opportunity employer committed to making selection decisions without regard to race, color, religion, sex, sexual orientation or identity, national origin, age, disability, veteran status, or any other legally protected basis.