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Cisco • Bangkok, Thailand
Role & seniority
Stack / tools
Programming: Python (primary); C# and LabVIEW a plus
Instrumentation / automation: Source Meters (Keithley, Keysight), optical power meters, BERTs, DCA
Communication / data: VISA, PyVISA, SCPI, GPIB, USB, Ethernet; SQL databases
GUI: Tkinter, PyQt (desirable)
Top 3 responsibilities
Develop and validate automated optical test setups for client optics modules; support next-gen transceivers
Instrument integration, programming test equipment, and automate data acquisition/measurement workflows
Manufacturing support: deploy/troubleshoot test solutions on production lines; create training and documentation; drive throughput and quality
Must-have skills
BS or MS in electrical/optical engineering, physics, or related field
8+ years in test development for optical transceivers, photonics modules, or high-speed electronics
Strong Python coding; experience with optical/electronic test instrumentation and automation (VISA/PyVISA/SCPI/GPIB/USB/Ethernet)
Experience with SQL for test data management; good data analysis capabilities
Understanding of optical communications and fiber optics; strong analytical and communication skills; ability to work independently in a fast-paced environment
Nice-to-haves
Experience deploying test solutions in high-volume manufacturing
Knowledge of reliability/lifetime testing
Meet The Team
The Client Optics Test Development Engineering for Luxetra focuses on rigorous testing and validation of optical transceivers to ensure high compatibility, reliability, and performance across Cisco and third-party platforms. This includes extensive optics-level, platform-level, and stress testing methodologies designed to simulate diverse environments and identify potential failure points, thereby guaranteeing robust interoperability and seamless operation in multivendor networks. Their work supports the development of optics that meet stringent quality standards and deliver consistent performance in demanding applications such as AI networks and data centers.
Your Impact
We are seeking a talented Client Optics Test Development Engineer to join the manufacturing engineering team. In this role, you will develop and support automated test solutions for next-generation client optical transceivers and sub-assemblies. You will collaborate closely with hardware, firmware, and manufacturing teams to ensure high-quality product delivery and robust production test coverage.
Key Responsibilities
Test System Development: implement and validate automated optical test setups for client optics modules using Python or similar languages.
Instrumentation & Automation: Integrate and program electronic/optical test equipment such as Source Meters (Keithley, Keysight), optical power meters, Bit Error Rate Testers (BERTs), and DCA.
Data Analysis & Reporting: Develop data acquisition and analysis scripts/tools to process large datasets, generate yield reports, and drive root-cause investigations.
Manufacturing Support: Deploy and troubleshooting test solutions on manufacturing lines. Provide training and documentation for production teams.
Cross-Functional Collaboration: Work with design, firmware, and reliability engineers to define test requirements, acceptance criteria, and FA (Failure Analysis) procedures.
Continuous Improvement: Identify gaps in test coverage and proactively propose enhancements to test methodologies, automation, and process efficiency.
Minimum Qualifications
Education: Bachelor’s or master’s degree in electrical engineering, optical engineering, physics, or a related field.
Experience: 8+ years of hands-on experience in test development for optical transceivers, photonics modules, or high-speed electronics.
Optical & Electrical Knowledge: Understanding of optical communications principles, fiber optics.
Soft Skills: Strong analytical, troubleshooting, and communication skills. Ability to work independently and in a fast-paced, cross-functional environment. Preferred Qualifications
Experience deploying test solutions in high-volume manufacturing environments. Knowledge of reliability/lifetime testing (e.g., TEC testing, thermal cycling). Experience with data visualization tools and statistical analysis (e.g. JMP).
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.
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.