Principal Analog Design Engineer (Tx)

Renesas Electronics; Morrisville (NC); On-site; USD 180,000 - 240,000; Full time

Job summary

Renesas Electronics seeks an Architect to design and verify CMOS analog blocks for custom ASICs, focusing on Rx, Tx, PLLs and high-precision analog circuits. You will lead analog design, simulations, and collaboration with digital teams to meet performance and power targets.

The role requires 10–15 years of analog circuit design experience, with emphasis on Tx designs and high-speed DDR I/O interfaces. You will mentor engineers and contribute to best practices in design methodologies.

Qualifications

• Advanced degree required in Electronics/Microelectronics or related field.
• 10–15 years of analog circuit design experience with emphasis on Tx designs.
• Expertise in high-speed DDR I/O interface design and optimization.
• Proficiency with Cadence Virtuoso, Maestro, Spectre, HSPICE and simulation techniques.
• Strong understanding of signal integrity and analog design principles.

Responsibilities

• Lead design, simulation, and verification of CMOS analog blocks for custom ASICs.
• Develop and optimize DDR I/O interfaces ensuring SI and noise immunity.
• Collaborate with digital and systems engineers for seamless integration.
• Provide technical leadership and mentor junior engineers.
• Conduct design verification and documentation with adherence to standards.

Skills

Analogue circuit design

High-speed design

Signal integrity

Technical leadership

Education

Advanced degree in Electronics/Microelectronics Engineering or related discipline

Tools

Cadence Virtuoso

Maestro

Spectre

HSPICE

Job description

Architect, design and verify CMOS analog blocks for custom ASICs to meet stringent performance, area, power and timeline constraints. Blocks include Rx, Tx, PLL and miscellaneous high-precision analog circuits.

Responsibilities:

• Analog Circuit Design: Lead the design, simulation, and validation of advanced analog circuits, including DDR I/O interfaces such as Rx, Tx, PLLs, Bandgap and high-speed mixed signal circuits in fine-geometry process.
• DDR I/O Design: Develop and optimize high-speed DDR I/O interfaces, ensuring signaintegrity, noise immunity, and compatibility with industry standards.
• RX Design: Design and enhance analog receiver circuits, including CTLE, VGA, DFE, and slice focusing on performance metrics such as sensitivity, linearity, noise, and power consumption.
• Collaboration: Work closely with digital design engineers, systems engineers, and other stakeholders to ensure seamless integration of analog and digital components.
• Technical Leadership: Provide technical guidance and mentorship to junior engineers and contribute to the development of best practices and design methodologies.
• Design Verification: Conduct comprehensive simulations and testing to validate design performance and reliability. Address any issues and implement corrective actions as needed.
• Documentation: Create detailed design documentation, including specifications, schematics, and design reports. Ensure that all design activities are well‑documented and comply with internal and external standards.
• Innovation: Stay abreast of industry trends and emerging technologies. Propose and implement innovative solutions to enhance product performance and capabilities with focus on low power circuit design.
• Circuit Reliability: Ensure designs meet EM/IR/Aging requirements.
• Layout: Ensure layouts meet high analog standards for matching and performance.

• Advanced degree in Electronics/Microelectronics Engineering or related discipline.
• 10-15 years of analog circuit design experience – emphasis on Tx designs.
• Expertise in high-speed DDR I/O interface design and optimization.
• In-depth knowledge of analog Tx design, including signal integrity and noise immunity.
• Proficiency with analog design tools (e.g., Cadence Virtuoso, Maestro, Spectre, HSPICE) andsimulation techniques.
• Strong understanding of signal integrity.
• Strong understanding of general analog design principles and methodologies.

Renesas is an embedded semiconductor solution provider driven by its Purpose, To Make Our Lives Easier. With a global team of over 21,000 engineers and problem solvers in more than 30 countries, we offer the opportunity to work on world‑leading technology for Automotive, Industrial, Infrastructure, and IoT, shaping a safer, healthier, greener, and smarter future.

At Renesas, TAGIE is our culture, grounded in being Transparent, Agile, Global, Innovative, and Entrepreneurial. It shapes how we work, grow and deliver on our purpose together. This collaborative spirit and mindset drive our semiconductor technology to transform industries and impact millions of lives.

We believe in rewarding our employees with a competitive benefits package alongside their salary. More information will be provided during the hiring process.

Are you ready to join our team and shape the future with us?

Renesas Electronics is an equal opportunity and affirmative action employer, committed to supporting diversity and fostering a work environment free of discrimination on the basis of sex, race, religion, national origin, gender, gender identity, gender expression, age, sexual orientation, military status, veteran status, or any other basis protected by law. For more information, please read our Diversity & Inclusion Statement.

Renesas Electronics deals with dual-use technology that is subject to U.S. export controls regulations. Under these regulations it may be necessary for Renesas to obtain U.S. government export license prior to release of technology to certain persons. The decision whether or not to file or pursue an export license application is at the sole discretion of Renesas.