Senior mixed-signal electrical engineer (Board Level)

Duties & Responsibilities 

• Lead the design, analysis, and implementation of high-performance analog and mixed-signal circuits on board level, including: 

• High-speed (>50 MSPS), high-precision (≥16-bit) DAC/ADC signal chains 

• Low-noise, high-linearity, high dynamic range analog front-end (AFE) designs 

• Design and develop precision high-voltage circuits with the following characteristics: 

• High frequency (>5 MHz), low distortion, and ultra-low offset (<1 mV) 

• Operation in high-voltage environments up to ±225V, with robust stability and reliability 

• Architect and optimize complete end-to-end signal chains, including: 

• DAC/ADC interfaces, amplification, filtering, driver stages, feedback loops, and calibration 

• Perform modeling, simulation, and performance validation: 

• Develop both system-level (behavioral) and circuit-level (SPICE) models 

• Analyze key performance parameters such as noise, distortion, offset, drift, bandwidth, and stability 

• Drive laboratory debugging, validation, and system bring-up: 

• Utilize advanced lab equipment (oscilloscope, spectrum analyzer, network analyzer, etc.) 

• Identify and resolve issues related to signal integrity, EMI/EMC, thermal effects, and parasitic 

• Collaborate cross-functionally with digital, FPGA, system, power, and software teams: 

• Define hardware/firmware/software interfaces 

• Support system-level integration and validation 

• Support full product lifecycle, from concept to volume production: 

• Design validation (DV), engineering validation (EVT), and manufacturing support 

• Root cause analysis (RCA) for field and production issues 

• Drive adoption of advanced technologies and architectures in high-performance systems 

• Produce high-quality documentation, including design specifications, simulation reports, and test reports 

• Provide technical leadership and mentorship to junior engineers 

Education & Experience 

• Master’s or PhD degree in Electrical Engineering or a related field 

• Minimum 5+ years of experience in analog or mixed-signal circuit design (PhD graduates may qualify with less experience) 

• Strong background in analog circuit fundamentals, with experience in: 

• Operational amplifiers and precision analog design 

• ADC/DAC interfacing and signal chain optimization 

• High-speed and/or high-voltage analog systems 

• Experience in one or more of the following areas is highly desirable: 

• Low-noise design (nV/√Hz level) 

• High-linearity systems (>16-bit ENOB) 

• Precision measurement systems 

• High-frequency analog design (MHz range and beyond) 

• Proficiency in circuit simulation tools: 

• LTspice, TINA, Cadence, ADS, or equivalent 

• Programming skills for modeling and data analysis: 

• Python, MATLAB, or similar 

• Hands-on lab experience with measurement and debug tools: 

• Oscilloscopes, function generators, spectrum analyzers, network analyzers 

Skills & Competencies 

Technical Expertise 

• Deep understanding of non-ideal analog effects:  

• Noise, distortion, offset, drift, parasitic 

• Knowledge of signal integrity (SI) and power integrity (PI) principles 

• Strong system-level thinking, able to optimize across full signal chains 

• Ability to balance physical limitations with system performance requirements 

Analytical & Problem-Solving Skills 

• Strong root cause analysis and debugging capabilities 

• Ability to solve complex, cross-domain engineering problems 

• Effective decision-making under uncertainty 

Work Style & Ownership 

• Results-driven with strong ownership and accountability 

• Capable of working effectively in high-pressure, dynamic environments 

• Able to work both independently and collaboratively 

Communication Skills 

• Clear, concise, and professional technical communication 

• Ability to present complex technical concepts to both engineers and management 

Process Discipline 

• Familiarity with full product development lifecycle (design → validation → production) 

• Ability to work within structured processes and meet project timelines 

Tools 

• Proficient in Microsoft Office Suite (Word, Excel, PowerPoint) 

• Capable of producing high-quality technical documentation and presentations 

Preferred Qualifications 

• Experience in high-end equipment or precision systems, such as: 

• Semiconductor equipment (e.g., SEM, lithography, metrology systems) 

• Precision control systems (e.g., scan control, motion control) 

• High-speed data acquisition systems 

• EDA tools, Xpedition preferred 

• Familiarity with high-speed interfaces (e.g., JESD204B-based ADC systems) 

• Experience working in global, cross-site teams 

• Prior experience in technical leadership or leading complex subsystem development