Principal Engineer I , SW - DSP @ Harman Connected

What You Will Do

• Develop and integrate audio DSP algorithms for the automotive environment

• Co-develop and/or work within complex, multi-threaded, multi-processor architectures and audio frameworks to integrate DSP algorithms and control structures

• Develop production ready software following a defined software development process

• Design software features and architectures for an audio amplifier platform based on interpretation of customer requirements and/or technology development initiatives

• Resolve design conflicts arising from multiple requirement sources and maximize code re-use, flexibility and scalability

• Conceptualize multiple use cases to design a single system to suit many uses

• Analyze and resolve incompatibility and conflicts between individual DSP algorithms under various modes of system operation

• Estimate processing resources including MIPS, ROM and RAM

• Optimize individual algorithms and total system performance

• Analyze performance impacts of block size, sample rate, memory organization, cache usage and code structure

• Analyze multiple approaches to a problem and chose the best solution based on experience and sound engineering practices

• Present and defend technical decisions to peers and engineering management using facts

• Integrate DSP algorithms with an audio framework, control software and tuning structure and extend the framework as necessary

• Ensure all system components are diagnosable during development and once deployed

• Work closely with other engineering groups to ensure total tuned system performance

• Develop test plans and appropriate test vectors for independent validation of audio features

• Perform regression and integration tests on audio features and systems

• Create models and documentation suitable for other developers to create an implementation

• Reverse-engineer designs from legacy software

• Drive peer review of designs. Be an expert authority in reviews of team member contributions

• Supervise and review contributions from the development team

• Provide estimates of group programming effort to size the scope of projects

• Port and optimize DSP algorithms to various processors and make use of available resources, peripherals, accelerators, compiler features, etc

• Investigate new DSP audio related technologies and best practices

• Create novel software solutions to issues in audio & acoustic systems

• Work with software team leaders to negotiate resolution of issues

• Establish and coordinate activities with third party developers and contractors

• Communicate with peers inside the HARMAN group to coordinate software development. This includes occasional travel for training or coordination with other groups

• Manage small projects and technical resources, including planning, estimating and follow through

• Engineer convincing quick-turn demos using available hardware and software components

What You Need

• Bachelor s degree in electrical engineering, computer science, or equivalent

• 12 years overall experience

• 8+ years of embedded software development or testing

• 8+ years of C/C++ or other structured language

• 8+ years of experience in the DSP and/or audio field

• Experience developing consumer products

• Deep knowledge of filtering, speech processing, noise control and telecommunications algorithms in both time and frequency domains

• Strong understanding of DSP frameworks and how individual DSP algorithms interface and interact with each other, the control software and tool interfaces in an optimized way

• Experience with tuning/calibrating systems of algorithms

• Knowledge of features, strengths and weaknesses of various DSP platforms and algorithm approaches

• Expert in several embedded system debuggers, emulators, compilers, etc.

• Working knowledge of embedded operating systems (schedulers, memory management, driver models, RTOS concepts

• Experienced working with and/or leading off-shore development teams

• Creative problem-solver capable of creating and reproducing complex software defects

• Able to read schematics and debug analog and digital hardware

What is Nice to Have

• Master s degree or PhD in Electrical Engineering or equivalent

• Experience with multi-core System-on-Chip processors

• Experience developing automotive or military products

• Experience with SPICE compatible software development practices

• Working knowledge of personal computing and mobile device platforms

• Expert in MATLAB and Simulink

• Deep knowledge of digital communication protocols: I2C, I2S, SPI, UART, USB, BT

• Working knowledge of automotive networks: CAN, LIN, Ethernet, TCP/IP, MOST

• Deep knowledge of audio systems and acoustic principles

• Very good knowledge of amplifier hardware concepts including data converters, power supplies, output stages and analog filter design