Fiber-Array Packaging Engineer Detachable Interface Lead

CScale; Palo Alto, Northern (CA, KY); Hybrid; USD 160,000 - 210,000; Full time

Job summary

Cspeed IO is seeking an Advanced Packaging Engineer to own the detachable optical interface for fiber-array integration. You will define the detachability point, coupling optics, and alignment strategy, while driving tolerance budgeting and high-volume manufacturing readiness.

The role requires hands-on experience with optical metrology, fiber-to-chip coupling, and qualification against connector reliability standards.

Qualifications

• BS/MS/PhD in Optical Engineering, Mechanical Engineering, Physics, or related field.
• 6+ years in optical/photonic packaging or optical interconnect, including ownership of an optical interface from development into production.
• Direct experience with fiber-optic connector technology: ferrules and guide-pin alignment, expanded-beam or lensed interfaces.
• Tolerance stack analysis and GD&T for sub-micron optical interfaces, using statistical methods.
• Working knowledge of fiber-to-chip coupling physics: mode-field matching, collimation, and return loss.
• Hands-on optical metrology: tunable sources, power meters, insertion and return loss measurement.

Responsibilities

• Detachability architecture: define location of the detachability point and partition between attached and plug.
• Define coupling optics, including expanded-beam or collimated designs and tolerancing.
• Establish alignment strategy using lithographic PIC features, datums, guide-pins or V-groove references.
• Own insertion loss budget and per-port loss distribution; quantify repeatability across cycles.
• Develop tolerance stack from PIC feature placement through package assembly to plug geometry.
• Qualify reflow survivability and OSAT compatibility; define automated mating requirements and SPC limits.
• Monitor standards activity and qualify/process supplier performance; enable known-good-engine test capability.

Skills

Optical packaging

Fiber-optic connectors

Metrology & testing

Tolerance analysis

Statistical methods

Project ownership

Education

BS/MS/PhD in Optical/Mechanical Engineering or related

Tools

Zemax

CODEV

Job description

Cspeed IO is seeking an Advanced Packaging Engineer to own the detachable optical interface for fiber-array integration. You will define the detachability point, coupling optics, and alignment strategy, while driving tolerance budgeting and high-volume manufacturing readiness.

The role requires hands-on experience with optical metrology, fiber-to-chip coupling, and qualification against connector reliability standards.