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 andoptimizecomplete 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.)

• Identifyand resolve issues related to signal integrity, EMI/EMC, thermal effects, andparasitic

• 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

• Minimum5+ 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)

• Proficiencyin 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 tooptimizeacross 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