Principal Firmware Engineer
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What you'll do
- Design, implement, and optimize DSP algorithms for OFDM-based modems.
- Develop algorithms for modulation and demodulation, time and frequency synchronization, channel estimation and equalization, FFT/IFFT processing, error detection and correction.
- Improve algorithm robustness and performance under real-world RF impairments.
- Translate communication system requirements into production-quality DSP software.
- Debug complex system-level issues across DSP, firmware, RF, and hardware boundaries.
- Analyze lab and field data to identify root causes of performance, stability, and interoperability issues.
- Support product bring-up, validation, and long-term maintenance of deployed systems.
- Drive code-level optimization for MIPS efficiency and memory footprint on embedded targets.
- Optimize algorithms for CPU throughput and real-time constraints, cache efficiency and memory access patterns, fixed-point arithmetic and reduced precision implementations.
- Balance performance, memory usage, power consumption, and algorithm accuracy.
- Guide architectural trade-offs between computational complexity and system-level performance.
- Lead architecture decisions for OFDM-based communication systems.
What they're looking for
- M.S. or Ph.D. in Electrical Engineering, Signal Processing, Communications, or a related field.
- 10+ years of experience in DSP and communication system development.
- Deep expertise in OFDM-based modem design, including synchronization, channel estimation, equalization, and decoding.
- Strong background in digital and analog communication theory.
- Demonstrated experience in code optimization for MIPS and memory-constrained embedded systems.
- Proficiency with MATLAB, Python, and experience transitioning algorithms into embedded or real-time implementations.
- Proven ability to debug complex, cross-domain issues in commercial products.
- Strong communication skills and experience working with or leading geographically distributed teams.
Nice to have
- Experience with fixed-point DSP implementations and real-time operating constraints.
- Embedded software experience on CPUs, DSPs, or SoCs.
- Hands-on experience using RF lab equipment (signal generators, spectrum analyzers, SDRs).
- Prior experience mentoring or leading offshore or distributed engineering teams.
- End-to-end product development experience from concept through production.
Summarised by NextRaise from the employer’s description, which follows in full below.
Full description from employer
If you are looking for a challenging and exciting career in the world of technology, then look no further. Skyworks is an innovator of high performance analog semiconductors whose solutions are powering the wireless networking revolution. At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management and the freedom to make meaningful contributions in a setting that encourages creativity and out-of-the-box thinking. We are excited about the opportunity to work with you and glad you want to be part of a team of talented individuals who together can change the way the world communicates.
Requisition ID: 77664
Description
Design, development, and optimization of advanced OFDM-based digital and analog radio communication systems. This role combines deep hands-on algorithm development with system-level debugging, performance optimization, and long-term technical leadership.
The position also includes responsibility for building and leading a future DSP engineering team in India, defining scalable development practices, and ensuring efficient, high-performance implementations suitable for embedded and real-time platforms.
Responsibilities
DSP Algorithm Development
- Design, implement, and optimize DSP algorithms for OFDM-based modems.
- Develop algorithms for:
- Modulation and demodulation
- Time and frequency synchronization
- Channel estimation and equalization
- FFT/IFFT processing
- Error detection and correction
- Improve algorithm robustness and performance under real-world RF impairments.
System Design, Debugging & Optimization
- Translate communication system requirements into production-quality DSP software.
- Debug complex system-level issues across DSP, firmware, RF, and hardware boundaries.
- Analyze lab and field data to identify root causes of performance, stability, and interoperability issues.
- Support product bring-up, validation, and long-term maintenance of deployed systems.
MIPS & Memory Optimization
- Drive code-level optimization for MIPS efficiency and memory footprint on embedded targets.
- Optimize algorithms for:
- CPU throughput and real-time constraints
- Cache efficiency and memory access patterns
- Fixed-point arithmetic and reduced precision implementations
- Balance performance, memory usage, power consumption, and algorithm accuracy.
- Guide architectural trade-offs between computational complexity and system-level performance.
OFDM Modem Architecture
- Lead architecture decisions for OFDM-based communication systems.
- Evaluate and optimize system-level trade-offs involving bandwidth, latency, spectral efficiency, and robustness.
- Ensure algorithm designs scale efficiently across multiple platform variants.
Technical Leadership & Team Development
- Act as the technical authority for DSP and communication systems.
- Establish and technically lead a DSP engineering team in India, including:
- Mentoring engineers on algorithms, optimization techniques, and debugging methodologies
- Defining coding standards, performance guidelines, and development workflows
- Providing technical oversight and design reviews
- Collaborate closely with RF, hardware, firmware, and systems engineering teams.
Required Experience and Skills
- M.S. or Ph.D. in Electrical Engineering, Signal Processing, Communications, or a related field.
- 10+ years of experience in DSP and communication system development.
- Deep expertise in OFDM-based modem design, including synchronization, channel estimation, equalization, and decoding.
- Strong background in digital and analog communication theory.
- Demonstrated experience in code optimization for MIPS and memory-constrained embedded systems.
- Proficiency with MATLAB, Python, and experience transitioning algorithms into embedded or real-time implementations.
- Proven ability to debug complex, cross-domain issues in commercial products.
- Strong communication skills and experience working with or leading geographically distributed teams.
#LI-CB1
Desired Experience and Skills
- Experience with fixed-point DSP implementations and real-time operating constraints.
- Embedded software experience on CPUs, DSPs, or SoCs.
- Hands-on experience using RF lab equipment (signal generators, spectrum analyzers, SDRs).
- Prior experience mentoring or leading offshore or distributed engineering teams.
- End-to-end product development experience from concept through production.
Skyworks is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.
Company
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