Senior Electrical Engineer, Photonics & Quantum Detectors

QUANTUM COMPUTING, INC.; Cranbury Township (NJ); On-site; USD 150,000 - 230,000; Full time

Job summary

Quantum Computing Inc. (QCi) in Cranbury, NJ, is seeking a seasoned Principal Engineer, Electrical Engineering, to lead development of advanced optoelectronic detectors and photonic integrated circuits.

You will own the full NPI lifecycle, collaborate across multiple teams, and mentor engineers while delivering high-performance, low-noise electronics and timing systems. The role focuses on ASIC/FPGA-driven instrumentation for quantum sensing, optical communications, and imaging, with heavy

Qualifications

• BS degree in EE or related field required.
• Extensive experience designing low-noise, high-speed analog and mixed-signal circuitry for weak-signal detection.
• Proven ability to design, build, test, and troubleshoot complex electronic products.

Responsibilities

• Lead hands-on development of photodetector-based modules and turn-key instruments through the full NPI cycle from concept through production release.
• Define product requirements, system architectures, performance budgets, interfaces, and verification methods.
• Design low-noise, stable high-voltage supplies with protection, monitoring, calibration, and temperature compensation.
• Design and lay out high-speed mixed-signal PCBs, including grounding, shielding, signal integrity, and power integrity.
• Develop FPGA logic, embedded firmware, and digital interfaces for timing, counting, control, communications, and data acquisition.
• Develop evaluation boards, prototypes, and test fixtures to characterize detector performance and reduce technical risk.
• Perform laboratory bring-up, characterization, debugging, and verification of boards, subsystems, and turn-key instruments.
• Develop control circuitry to support PIC-based module product developments
• Design electronic circuitry for SPAD bias control for gated and free-running operation
• Collaborate with detector, optical, mechanical, software, manufacturing, quality, and internal customer teams to deliver on product objectives.
• Mentor engineers and technicians while retaining direct ownership of critical design, integration, and troubleshooting work.

Skills

Low-noise analog design

High-speed mixed-signal design

FPGA & embedded systems

Schematic capture

Multilayer PCB layout

System design & requirements

NPI lifecycle ownership

Laboratory measurement and debugging

Detector SPAD knowledge

Mentoring & leadership

Project leadership

Education

BS in EE or related field

Job description

Quantum Computing Inc. (QCi) in Cranbury, NJ, is seeking a seasoned Principal Engineer, Electrical Engineering, to lead development of advanced optoelectronic detectors and photonic integrated circuits.

You will own the full NPI lifecycle, collaborate across multiple teams, and mentor engineers while delivering high-performance, low-noise electronics and timing systems. The role focuses on ASIC/FPGA-driven instrumentation for quantum sensing, optical communications, and imaging, with heavy