Research Engineer - Analog/Mixed-Signal Verification

Research Engineer - Analog/Mixed-Signal Verification

At Niobium Microsystems, we develop high performance microelectronic products to enable the secure collection, processing, and distribution of critical data. We are a trusted partner for DoD and commercial customers whose solutions require lower power, higher efficiency, and proven security.

Founded as a 2021 spinout from a world-class security and computing systems R&D company, our team combines decades of experience in advanced semiconductor design with experience in advanced cryptography. Niobium is headquartered in Dayton, Ohio with additional locations in Portland, Oregon; and Columbus, Ohio. The preferred location for this position is Columbus, Ohio but we will not be limited by geography for the right candidate.

Our values are at the heart of every decision we make and we understand that each member of our talented team is the key to our on-going success. For those reasons, we've designed a highly competitive benefits program to support employees and their families. These include:

Competitive salaries

Employer paid health care

Employer contribution to health savings account

Flexible time off

Flexible work location with remote options

Location Preferences: Portland, OR;Columbus, OH; Dayton, OH; Fayetteville, AR; or San Francisco, CA

401K employer match POSITION DESCRIPTION /

Niobium Microsystems is seeking AMS Verification Engineers with a PhD or at least 5 years of relevant experience. Niobium’s Engineering team is seeking passionate and creative individuals with strong technical skills to join our expanding design team. The ideal candidate enjoys contributing across multiple disciplines.

As a Research Engineer, you will work on a small, talented team responsible for developing new verification techniques to verify state-of-the-art circuits and systems, ensuring their accuracy and reliability prior to tape-outs. You will have the opportunity to contribute to all areas of AMS verification, including behavioral modeling, simulation, and mixed-signal integration. Projects range from verifying high-speed, low-noise analog circuits to ensuring the correctness of complex direct-RF digital beamforming and secure hardware systems. JOB RESPONSIBILITIES /

Primary Responsibilities:

Develop and execute AMS verification methodologies for high-performance analog, mixed-signal, and RF circuits, including DACs/ADCs, PLLs, LNAs, and VGAs.

Create behavioral models of analog and RF components in SystemVerilog, Verilog-A, Verilog-AMS, or other relevant modeling languages.

Define testbenches and validation plans to ensure seamless integration between analog and digital subsystems.

Perform functional and mixed-signal verification using industry-standard AMS simulation tools.

Collaborate with design teams to identify verification gaps and propose coverage-driven solutions.

Contribute to post-silicon validation, debugging, and characterization efforts to ensure correlation with pre-silicon verification.

Stay up to date with advancements in AMS verification methodologies, tools, and semiconductor process technologies.

DESIRED SKILLS & EXPERIENCE /

Required:

Experience with analog, mixed-signal, and RF circuit verification, including behavioral modeling, simulation, and validation.

Proficiency in Verilog-A, Verilog-AMS and SystemVerilog real number modeling for mixed-signal verification.

Expertise in industry-standard AMS verification tools, such as:

Cadence Virtuoso, Spectre, and ADE-XL

VCS, Xcellium

Real-number emulation on the Cadence Palladium or Synopsys ZeBu platforms

Experience in developing advanced verification flows from the ground up