Acacia develops intelligent, high-speed transceivers using advanced signal processing and photonic integration for 100G, 400G, and 1Tbit fiber optic transmission, deployed in data center, metro, long-haul, and ultra-long-haul telecom networks.
Key Responsibilities Develop, architect, design, layout, measure, and productize ultra-deep sub-micron CMOS mixed-signal ICs (>25Gb/s) for optical communications. Lead major block design on complex chips, mentor team members and track deliverables. Participate in peer reviews, drive solid design methodology, and ensure production-readiness. Collaborate with packaging and hardware teams to meet signal and power integrity specs. Collaboration Work closely with mixed-signal, digital/DSP, system, package, and module design teams. Participate in a supportive, collaborative engineering environment. Who You Are Enthusiastic about high-speed AMS (Analog/Mixed-Signal) circuits. Detail-oriented, energetic, and committed to solving complex problems. Strong communicator and collaborator; open to feedback and proactive in team improvement. Minimum Qualifications Degree/Experience: BSEE + 8 years, MS + 6 years, or PhD + 3 years (or equivalent) Technical Experience (at least 3): High-speed serial links (serdes, data converters) Voltage regulators High performance output drivers High Performance Phase Locked Loops Efficient clock transmission/propagation Opamps or programmable gain amplifiers Equalisation techniques Preferred Qualifications Transceiver/backplane/cable comms experience FinFET process experience High-frequency layout (inductors, transformers, transmission lines) Floor planning (power/ground, digital/analog routing) Custom transistor layout Design for Manufacturability PVT (process-voltage-temp) characterization (Monte Carlo) Electromigration analysis (Totem or equivalent) Power and IR drop analysis Lab Validation ESD practices and test setup construction Software/Tools High-frequency test equipment (BERT, jitter analysers, VNA/PNA) Cadence Virtuoso, Spectre/APS/SpectreX, Calibre, EMX Mixed-signal AMS simulation Matlab Track record of innovation (publications a plus)
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