Senior Mechanical Design Engineer - Optical Network Interfaces

Molex; Fremont (CA); On-site; USD 170,000 - 225,000; Full time

Job summary

Molex is seeking a Senior Mechanical Design Engineer to shape the hardware interfaces of high‑performance optical networking platforms. You will define system layouts, tactile experiences, and premium aesthetics for line cards, modules, chassis systems, and other optical hardware under demanding thermal conditions.

You will drive surface finishes, color cues, detents, and force profiles while translating concepts into manufacturable solutions, prototyping rapidly, and validating usability and

Qualifications

• Bachelor's or Master's degree in Mechanical Engineering.
• At least 7 years of Mechanical Design experience.
• Experience with designing data center hardware (line cards, racks, server rack mounts, open/closed frame racks, PDUs, chassis).
• At least 5 years of leading mechanical designs from concept to production.
• Experience designing mechanical interfaces with demonstrable attention to look, feel, and tactile quality.
• Experience with tolerance stack-ups, finite element analysis (FEA), and thermal management.

Responsibilities

• Design and standardize mechanical user interface elements with explicit appearance and quality standards goals.
• Specify product interface and mechanism details and define force curves, detents, travel, and feedback.
• Translate industrial design concepts into manufacturable mechanical solutions preserving visual cues.
• Produce rapid prototypes to validate ergonomic performance, functionality and visual/tactile fidelity.
• Plan and run usability and sensory evaluations to measure perceived quality, ease of use, and visual clarity of interaction points.
• Generate mechanical and cosmetic specifications including materials, finishes, textures, tolerances, and color/marking standards.
• Collaborate with cross-functional teams to align system performance with usability, visual and tactile intent.
• Work with manufacturing and suppliers to ensure tooling and surface treatments preserve look and feel at scale.
• Support reliability and environmental testing with acceptance criteria that include appearance retention and wear resistance.
• Drive continuous improvement by analyzing field feedback and implementing design changes.
• Document design rationale for mechanical performance and look-and-feel decisions.
• Address customer technical issues in collaboration with application engineers, Quality, and technical support teams.

Job description

Molex is seeking a Senior Mechanical Design Engineer to shape the hardware interfaces of high‑performance optical networking platforms. You will define system layouts, tactile experiences, and premium aesthetics for line cards, modules, chassis systems, and other optical hardware under demanding thermal conditions.

You will drive surface finishes, color cues, detents, and force profiles while translating concepts into manufacturable solutions, prototyping rapidly, and validating usability and