Senior SDR Software Engineer

How you will make an Impact (Job Summary)SPX is a diverse team of unique individuals who all make an impact. As a Sr. Software Defined Radio (SDR) 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.What you can expect in this role (Job Responsibilities)While each day brings new opportunities at SPX, your core responsibilities will be: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.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 ExperienceExperience with FPGA co-processing (ie. Spectrum Signal Processing algorithms, FFT, CCDF, ZIP, DDC,Geo location) and managing Interrupts/data blocksExtensive C/C++ software development experience (6+ years) with proficiency in such language features as templates, Lambda functions, vectors, maps and algorithms etc. using C++17 or newer standardsExtensive experience in design, implementation and testing of complex real-time multithreaded/multitasking/multicore embedded server software supporting multiple simultaneous clientsExperience with designing well-crafted C++ classes/modulesClear understanding of ADCs, RF Receiver architectures and associated quality metricsCross-platform programming for Linux and Windows targetsExperience in developing/using Windows and Linux librariesClear understanding of Synchronization primitives, Queueing and task schedulingTCP Message based Client/Server communicationRealtime hardware control and data acquisitionSCPI controlTCP/UDP Networking and socket level programmingC++/C API programming (developing and using)GUI design and programming using Visual Studio and Open-source toolsDatabases and database programming (incl. SQLite)Software QA testingAbility to quickly learn and support a large existing C++ code base.Excellent communications skillsAbility to write technical product documentationPreferred/Desired Knowledge, Skills, and AbilitiesKnowledge of Signal Direction finding / Geolocation conceptsExtensive Math, Digital Signal Processing (DSP) and RF communication signals backgroundSignal analysis techniques and toolsRF 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 experiencePCIe and NVMe interfacesProgramming expertise:Machine learning concepts and programmingPython programmingTools:MATLAB/Octave experienceTensorFlow, PyTorchMicrosoft Visual Studio, Visual Studio Code, TFS and GitEclipse IDEs for C++ and Java developmentRF Measurement equipment (VSA/spectrum analyzers, signal generators, and other electronic test equipment)Windows, including desktop and embedded variants (IoT)Intel IPPLinux utilities and shellsExperience with MFC, C# and Windows development tools/APIsDocker containers and VMsCreating and maintaining automated software build systemsGeneration and execution of QA testing including writing automated QA test programsEducation & Certifications6+ 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 ResidentSalary RangeWe 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. As required by law in this state, 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. We tailor our 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. At SPX, it is not common for individuals to be hired at the higher end of the range, and compensation decisions depend on a variety of factors. 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.How we live our cultureOur culture is at the center of what we do and, more importantly, who we are. Our core values set a standard for how we manage ourselves, and our Leadership Model sets the standard for how we engage with each other. Whether you are an individual contributor or you lead a large team, each of us leads at SPX.What benefits do we offer?We know that the well-being of our employees is integral. Our benefits include:Generous and flexible paid time off including paid personal time off, caregiver, parental, and volunteer leaveCompetitive health insurance plans and 401(k) match, with benefits starting day oneCompetitive and performance-based compensation packages and bonus plansEducational assistance, leadership development programs, and recognition programsOur commitment to embrace diversity to build a culture of inclusion at SPXWe value different backgrounds, experiences, and voices at SPX, and we are committed to challenging ourselves, openly communicating, and striving to improve every day. We believe in creating an inclusive work environment where everyone has a voice and is encouraged to realize their fullest potential.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.ABOUT SPXSPX is a diversified, global supplier of infrastructure equipment with scalable growth platforms in heating, ventilation and air conditioning (HVAC), detection and measurement, and engineered solutions. With operations in 17 countries and approximately $1.4 billion in annual revenue, we offer a wide array of highly engineered products with strong brands.At SPX, what’s in it for our employees transcends market-competitive compensation and benefits. Our Total Rewards program also includes opportunities for employees’ personal development, career growth, and recognition. These programs focus on alignment and assessment of organizational, team, and individual efforts toward achieving business results. Our development and career growth programs empower our employees to enhance their skills, develop new competencies, and pursue career goals. SPX benefits package provides choices designed to help employees manage their well-being. Our compensation programs are performance-based to recognize and reward employees who work hard, display the values and leadership practices we embrace, and deliver exceptional results.OUR VALUESIntegrityAccountabilityTeamworkResultsAt SPX, our values are at the heart of everything we do. We use our values every day to help us make the right decisions. We embrace a common purpose and strive for improvement. We respect and value each other as individuals and recognizethat only by working together, as a team, can we reach our full potential. We take responsibility for our actions, build strong relationships with each other and our customers, and always act ethically. Our values inspire us to achieve the high standards of quality, safety, and performance that our customers expect and deserve.WORKING AT SPXOur work environment is established on a work-life philosophy supported by policies, programs, and practices that help employees achieve success within and outside the workplace.We believe in creating an inclusive work environment where employees strive to realize their fullest potential. We are an affirmative action and equal opportunity employer committed to making selection decisions without regard to race, color, religion,sex, sexual orientation, national origin,gender identity, genetic information, age, disability, veteran status or any other legally protected basis. #J-18808-Ljbffr

Created: 2025-09-17