Applications Engineer

Aemulus Corporation Sdn Bhd; Bayan Lepas; On-site; MYR 90,000 - 150,000; Full time

Job summary

Aemulus Corporation Sdn Bhd in Penang, Bayan Lepas seeks an engineer to bridge hardware and software in laser device testing. You will develop test systems, automate sequences, and support customers from development to production ramp-up.

The role involves client-facing responsibilities, travel, and hands-on setup of measurement equipment, with opportunities to influence test methodologies across semiconductor photonics.

Qualifications

• Bachelor’s degree in Electrical/Electronic Engineering, Photonics, Optoelectronics, Applied Physics, or related discipline.
• Experience in semiconductor testing, laser-device characterization, photonics, reliability testing, or test automation.
• Senior candidates should lead customer projects and deliver production test solutions.
• Strong knowledge in analog electronics, precision measurements, laser devices, or optical measurements.
• Programming experience in C, C++, C#, or Python.
• Fluent in English and Mandarin; Mandarin required for customer engagement in China.
• Willing to travel locally and internationally; own transport; Malaysian citizens.

Responsibilities

• Work with customers to define device test requirements, burn-in conditions, acceptance criteria, and production workflows.
• Develop test programs and automated sequences for laser devices, including CW lasers and EML.
• Configure and integrate SMUs, laser current drivers, optical power meters, temperature controllers, and other instruments.
• Develop DC and pulsed-current test methods with suitable timing, synchronization, and data logging.
• Troubleshoot measurement correlation, repeatability, electrical contact, optical coupling, and system performance.
• Travel locally and internationally for customer and project support.
• Own customer issues from investigation through verified closure, coordinating with internal teams.

Skills

C/C++

C#

Python

English

Mandarin

Customer interaction

Education

Bachelor’s degree in Electrical/Electronic Engineering or related field

Tools

Test automation tools

Job description

Are you an engineer who enjoys working across bothhardware and software, loves to travel, and enjoys interfacing with customers? Then this role could be the right fit for you!

We are looking for someone with a passion fortest program development, test system setup, and system troubleshooting. Here, you will have the opportunity to unleash your creativity while taking on challenging tasks involvingprogramming, deploy test and burn-in solutions for Chip-on-Carrier (CoC) and Chip-on-Submount (CoS) laser devices, and test system buy-off, working closely with both internal teams and customers. Aemulus is expanding its photonics applications engineering team to develop and.

If you enjoy working across hardware and software, solving technical challenges, and supporting customers, this role offers the opportunity to take solutions from initial development to production deployment.

Job Responsibilities

• Work with customers to define device test requirements, burn-in conditions, acceptance criteria, and production workflows.
• Develop test programs and automated sequences for laser devices, including continuous-wave (CW) lasers and electro-absorption modulated lasers (EML).
• Implement electrical and optical measurements such as LIV curves, threshold current, optical output power, forward voltage, monitor photodiode current, slope efficiency, series resistance, kink detection, and DC extinction ratio, as applicable to the device.
• Configure and integrate SMUs, laser current drivers, optical power meters, temperature controllers, and other required instruments.
• Develop DC and pulsed-current test methods with suitable measurement timing, synchronization, compliance limits, and device protection.
• Design or support DUT boards, sockets, fixtures, and electrical and optical interfaces.
• Develop burn-in sequences covering device bias, temperature control, monitoring, alarms, interlocks, and traceable data logging.
• Troubleshoot measurement correlation, repeatability, electrical contact, optical coupling, thermal behavior, and system performance.
• Analyse test and burn-in data to identify abnormal devices, performance drift, and production issues.
• Support customer demonstrations, system installation, commissioning, qualification, and production ramp-up.
• Own customer issues from investigation through verified closure, coordinating with internal teams and equipment partners.
• Prepare application notes, test procedures, user guides, and customer training materials.
• Travel locally and internationally for customer and project support.
  

Job Requirements

• Bachelor’s degree in Electrical/Electronic Engineering, Photonics, Optoelectronics, Applied Physics, or a related discipline.
• Relevant experience in semiconductor testing, laser-device characterization, photonics applications, reliability testing, or test automation.
• Senior candidates should demonstrate experience leading customer projects and delivering production test solutions.
• Strong knowledge in one or more areas: analog electronics, precision measurements, laser devices, optical measurements, thermal control, or automated test systems.
• Programming experience in C, C++, C#, or Python.
• Strong debugging and problem-solving skills, with the ability to identify root causes and drive issues to closure.
• Good communication skills and confidence working directly with customers.
• Fluent in English and Mandarin; Mandarin is required for customer engagement in China.
• Self-motivated, collaborative, and willing to travel locally and internationally.
• Possess own transport.
• Candidates should be Malaysian Citizens.
  

Preferred Experience

• CoC/CoS laser testing, laser-diode manufacturing, or photonics burn-in systems.
• CW, DFB, or EML device characterization.
• Low-noise current sourcing, pulsed-current measurements, Kelvin connections, and low-current measurement.
• Optical power calibration, optical alignment, and measurement correlation.
• TEC control, temperature sensing, and thermal fixture development.
• Multichannel test systems, production automation, and manufacturing data integration.
• DUT board design, instrument communication, and equipment integration.

Candidates with strong semiconductor ATE, precision instrumentation, or optoelectronics experience are encouraged to apply. We are hiring engineers with complementary expertise across hardware, software, and photonics.

Aemulus is one of the leading providers of test and measurement systems for the electronics industry. Aemulus designs and develops precise measurement and dynamic digital systems for testing semiconductor devices used in consumer electronics and wireless connectivity applications. All intellectual properties required for these platforms are developed in-house by a team of young and dedicated engineers.

Aemulus is one of the leading providers of test and measurement systems for the electronics industry. Aemulus designs and develops precise measurement and dynamic digital systems for testing semiconductor devices used in consumer electronics and wireless connectivity applications. All intellectual properties required for these platforms are developed in-house by a team of young and dedicated engineers.