ABOUT THE ROLE

Celestial AI is seeking a Mixed Signal Verification Engineer to focus on modeling, simulation, and validation of mixed-signal ASICs in a co-simulation environment. This role bridges the gap between analog and digital domains, ensuring seamless integration and optimal performance of our groundbreaking photonic and electronic technologies.

The ideal candidate will thrive in solving complex co-simulation challenges, working closely with teams specializing in analog design, digital design, firmware, and photonics. Strong technical expertise, a collaborative mindset, and excellent problem-solving skills are key to success in this role.

ESSENTIAL DUTIES AND RESPONSIBILITIES

Develop and maintain Analog and mixed signal simulation environments, including behavioral modeling of analog components, development of real number models and integration with digital systems.

Collaborate with design teams to model critical mixed-signal blocks such as ADCs, DACs, PLLs/DLLs, and SerDes.

Analyze system-level performance and identify potential integration issues early in the design cycle.

Create and execute simulation test plans to validate functionality, timing, and performance.

Automate simulation workflows, document methodologies, and generate comprehensive reports.

Support silicon validation efforts by correlating simulation results with lab measurements.

QUALIFICATIONS

Bachelor’s degree in Electrical Engineering or related field, plus 10 years of experience, or Master’s degree in Electrical Engineering or a related field, plus 5-7 years of experience.

Strong understanding of mixed-signal design concepts and methodologies.

Experience with mixed signal simulation tools like Virtuoso, AMS Designer, Xcelium.

Proficient in scripting and automation using Python, TCL.

Familiar with analog behavioral modeling (e.g., Verilog-A/MS, SystemVerilog Real Number Models).

Excellent communication, organizational, and problem-solving skills.

For California location
As an early-stage startup experiencing rapid growth, we offer an extremely attractive total compensation package, inclusive of competitive base salary, bonus, and a generous grant of our valuable early-stage equity. The target base salary for this role is $175,000 - $220,000. The base salary offered may be slightly higher or lower than the targe base salary, based on the final scope as determined by the depth of the experience and skills demonstrated by the candidate in the interviews.

Celestial AI

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Mixed-Signal Verification Engineer