Optical Test Engineer

The application window is expected to close on 10/18/25. Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.

This is an onsite position and will be required to work from the Holmdel, NJ office.

Occasional international and domestic travel (approximately 5–10%) may be required to support customer development activities and collaborate with internal Cisco teams.

Meet the Team

Acacia Communications Inc., a leader in innovative client optics and coherent technology, is currently seeking a Optical Test Engineer to design and run automated testing of Photonic Integrated Circuit (PIC) devices, assist development teams with design specifications, and improve production yields.

Your Impact

As part of the Acacia/Cisco Device Verification Test team, you will work closely with experts in integrated silicon photonics, optical packaging, ASIC development, and operations." Your contributions will help deliver ground breaking, high-yield, high-throughput processes across Acacia/Cisco’s portfolio of optoelectronic components and modules.

• Partner with RF, silicon photonics, digital signal processing (DSP), and module design teams to debug and support the bring-up of new photonic integrated circuits (PICs) and modules during new product introduction.
• Develop test algorithms and calibration procedures to ensure product performance and quality.
• Define and implement comprehensive design verification test plans.
• Prepare and maintain detailed design verification documentation.
• Provide support for PIC-level failure analysis and solving.

Minimum Qualifications:

• Bachelors + 7 years of related experience, or Masters + 4 years of related experience, or PhD + 1 year of related experience or equivalent experience.
• Experience working with fiber optic components as well as test and measurement equipment commonly used in telecommunications and optical networking.
• Experience in one or more areas such as high bandwidth radio frequency measurements, Electro-Optical (EO) and Opto-Electrical (OE) testing, digital signal processing (DSP) algorithms.

Preferred Qualifications:

• Knowledge of optical communications, including Pulse Amplitude Modulation 4-level (PAM4) and coherent optical communications
• Knowledge of software and test automation e.g. Python
• Knowledge of Digital-to-Analog Converter (DAC) and Analog-to-Digital Converter (ADC) operation and controls
• Experience with JMP or similar data analysis software
• C++, Matlab programming and VPI modeling experience

Why Cisco

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Simply put – we power the future.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.