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Sr Principal Engineer I , SW- DSP

Date: Dec 19, 2017

Location: Bangalore, India, IN

Company: HARMAN International

Domain Description:


Harman’s Lifestyle Audio Software Center of Competence (CoC) is responsible for enabling cutting edge solutions and make them business viable. Together with the Center of Competences for Audio & Embedded Systems, the Software CoC is responsible for ensuring that all the features of the Lifestyle Audio products perform at the optimal system efficiency to reduce the processing time, increase reliability and best user experience. In addition, this domain is responsible for thought leadership by researching and bringing in the next generation technologies. The scope & possibilities are large ranging from large Car Audio solutions to nimble IOT solutions and several products in between.

Position Summary:.


This position is a senior embedded DSP software engineer within the Lifestyle Automotive Audio division.  Products that will be developed are OEM automotive amplifiers and other similar audio processing products.  Products typically consist of a microcontroller for configuration, communication and control and a DSP processor for audio processing.  Software development work will be mainly working within complex, multi-threaded, multi-processor or multi-core architectures and audio frameworks to integrate DSP algorithms and control structures.


Supervisory Responsibilities:


This position does not have any direct or indirect reports.


Job Responsibilities:

  • Develop and integrate audio DSP algorithms for the automotive environment.
  • 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.
  • 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
  • Integrate DSP algorithms with an audio framework, control software and tuning structures
  • 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
  • Reverse-engineer designs from legacy software.
  • Participate in peer review of designs
  • Provide estimates of programming effort to help size the scope of projects.
  • Port and optimize DSP algorithms to various processors and make use of available resources, peripherals, accelerators, compiler features, etc
  • Create novel software solutions to issues in audio & acoustic systems.
  • Work with software team leaders to negotiate resolution of issues. 
  • Work 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.
  • Engineer convincing quick-turn demos using available hardware and software components


Basic Qualifications:

  • Passion for audio and music.
  • Bachelor’s degree in electrical engineering, computer science, or equivalent.
  • 10+ years of embedded software development or testing.
  • 10+ years of C/C++ or other structured language.
  • 10+ years of experience in the DSP and/or audio field.
  • Experience developing consumer products
  • Knowledge of filtering, speech processing, noise control and telecommunications algorithms in both time and frequency domains.
  • 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, etc.)
  • Experienced working with off-shore development teams.
  • Strong attention to detail.
  • Exemplary verbal and written communication skills.
  • Creative problem-solver capable of creating and reproducing complex software defects.
  • Capable project management and time management skills.
  • Able to read schematics and debug analog and digital hardware.
  • Skilled in root cause analysis techniques


Preferred Qualifications & Desired Competencies:

  • 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.
  • Proficient in MATLAB and Simulink
  • Knowledge of digital communication protocols: I2C, I2S, SPI, UART, USB, BT
  • Working knowledge of automotive networks: CAN, LIN, Ethernet, TCP/IP, MOST
  • Knowledge of audio systems and acoustic principles.
  • Knowledge of amplifier hardware concepts including data converters, power supplies, output stages and analog filter design
  • Able to solder to aid debugging



  • Having a proactive, goal oriented approach to decision making.
  • Clear and strategic thinker; proven experience in translating strategies into actionable plans
  • Capable of handling multiples projects / initiatives simultaneously and executing to completion


Team Player:

  • Having respect for colleagues; leading teams with clarity and accountability.
  • Proven team player with excellent communication and interpersonal skills who can effectively work with all levels of a global matrixed organization


Change Orientation

  • Able to adapt to changing demands and conditions.
  • Act as a Change Management expert and enabler on various projects and programs across the business


Customer Focus

  • Providing exceptional service and quality to external and internal customer.
  • Understanding and working in past organizations that have centralized and de-centralized structures as business requirements change



  • Accepting responsibility for personal development and actions.
  • Have clear objectives and strives to exceed them
  • Takes ownership for personal career and skill development


Eligibility Requirements:

  • Willingness to travel 10% of the time

HARMAN ( designs and engineers connected products and solutions for automakers, consumers, and enterprises worldwide, including connected car systems, audio and visual products, enterprise automation solutions; and services supporting the Internet of Things.  With leading brands including AKG®, Harman Kardon®, Infinity®, JBL®, Lexicon®, Mark Levinson® and Revel®, HARMAN is admired by audiophiles, musicians and the entertainment venues where they perform around the world. More than 25 million automobiles on the road today are equipped with HARMAN audio and connected car systems. Our software services power billions of mobile devices and systems that are connected, integrated and secure across all platforms, from work and home to car and mobile. HARMAN has a workforce of approximately 30,000 people across the Americas, Europe, and Asia. In March 2017, HARMAN became a wholly-owned subsidiary of Samsung Electronics. HARMAN is an Equal Opportunity /Affirmative Action employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or Protected Veterans status.  HARMAN offers a great work environment, challenging career opportunities, professional training and competitive compensation. Looking for a challenge where your experience is valued? Come see what you can achieve as a leader with HARMAN!  (

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