Coherent Corp logo

Test Engineer, Maintenance

Coherent Corp

On-site
Perai, Penang
Full-time
Entry
Mid Level
1+ yrs
Salary not listedPosted 5d ago

Real job — pulled straight from Coherent Corp’s careers page · Verified October 24, 2026 · No reposts.

Job description

Coherent Corp is hiring a Test Engineer, Maintenance — a full-time, based in Perai, Penang role. Apply directly on Coherent Corp's careers page below.

Walk in Interview at P3 (Engineer/Technician)

Location: Perai, Penang, Malaysia

Engineering JD

As a Test Engineer - Maintenance, you will be responsible for establishing, maintaining, and improving test equipment capability to support manufacturing operations. You will ensure test equipment and hardware operate at optimal levels, minimize equipment downtime, and maintain tester functionality and software revisions.

You will work closely with Manufacturing, Product Engineering, Software and Debug Engineering teams to troubleshoot test equipment, qualify new test solutions, improve tester reliability, and drive continuous improvement in test performance and efficiency.

What you will be doing...

  • Establish and maintain test equipment capability, functionality, and software revisions.
  • Perform preventive maintenance and troubleshooting of test equipment and hardware to minimize downtime.
  • Support the transfer, setup, and qualification of test equipment for new products.
  • Ensure test hardware and equipment operate at optimal levels and meet required product specifications.
  • Evaluate test equipment and hardware and establish appropriate equipment control and verification specifications.
  • Troubleshoot tester and hardware issues and develop systematic debugging guides.
  • Conduct Gage Repeatability & Reliability studies and correlation studies, and implement improvement actions.
  • Monitor tester performance using Statistical Process Control (SPC).
  • Drive test time reduction, process simplification, automation, and tester reliability improvements.
  • Reduce tester-related over-rejection and improve overall tester performance.
  • Improve test setup ergonomics and operating efficiency through elimination, simplification, integration, and automation.
  • Collaborate with Software and Debug Engineers to develop and customize test solutions for critical test parameters.
  • Work with Product Engineers to enhance test coverage and testability.
  • Manage test equipment spare parts effectively to support equipment availability.
  • Provide hands-on technical support and training to manufacturing support teams on testers and board repairs.
  • Ensure compliance with Safety, ESD, Cleanroom, Housekeeping, ISO requirements, company rules, and applicable regulations.
  • Apply Risk-Based Thinking and Continuous Improvement in the planning and execution of tasks.
  • Take appropriate action, including stopping a tester, when a quality or safety issue is identified.

About You

  • Bachelor’s degree in Electrical Engineering, Electronics Engineering, Computer Engineering, Computer Science, or a related field.
  • At least 1 year of experience in equipment maintenance, testing, or testing methodologies.
  • Candidates without directly relevant experience may also be considered based on the nature of the position and available technical training or support.
  • Strong interest and knowledge in computer hardware engineering and test equipment.
  • Experience in configuring and troubleshooting desktop software, hardware, and related components.
  • Experience or knowledge of equipment Total Control Methodology.
  • Good computer literacy with the ability to analyze, communicate, and report technical information and data.
  • Good troubleshooting and problem-solving skills with a hands-on technical mindset.
  • Good communication and interpersonal skills with the ability to work effectively across Engineering and Manufacturing teams.
  • Knowledge or exposure to SPC, Gage R&R, correlation studies, preventive maintenance, and equipment control would be an added advantage.
  • Continuous improvement mindset with a strong focus on quality, safety, equipment reliability, and operational efficiency.

 

Technician / Assistant Engineer JD
JOB RESPONSIBILITIES:

  • Perform scheduled daily verification and path loss calibration to ensure test systems operate at optimal performance and maintain high measurement accuracy.
  • Support the installation, setup, and conversion of new testing systems, including both hardware and software components.
  • Troubleshoot and validate product failures encountered during production, implementing effective corrective actions to improve Product First Pass Yield (FPY).
  • Develop clear, step-by-step troubleshooting guides and quick-reference documentation to support technicians in resolving recurring technical issues efficiently.
  • Ensure all production test stations remain fully operational, minimizing tester downtime and preventing disruptions to manufacturing output.
  • Assist engineers during shift operations and actively participate in projects related to process optimization, test system improvements, and continuous enhancement initiatives.
  • Ensure full compliance with ISO standards, company policies, safety regulations, and other applicable industry codes and requirement

     

JOB REQUIREMENTS:

  • Diploma or Associate Degree in Engineering (Electrical, Electronics, Mechatronics, Optoelectronics, or Telecommunications).
  • Minimum 1–2 years of working experience in optical device testing or electronics repair within a mass production environment.
  • Willing and able to work rotating shifts, weekends, and on-call maintenance schedules when required.
  • Basic knowledge of optical circuits, circuit analysis, and troubleshooting techniques, as well as familiarity with optical module test instruments.
  • Understanding of the principles and operation of optical devices.
  • Good computer literacy, strong communication skills, and the ability to prepare clear technical reports and documentation.
  • Ability to read and interpret circuit diagrams with a solid foundation in electronics.
  • Capable of working independently while collaborating effectively with engineers and cross-functional support teams when necessary.

 

About Us

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.


About the Organization

Coherent Malaysia (formerly known as II-VI Incorporated) began operations in 2001 through the incorporation of Finisar Malaysia with 300 headcounts, now employs over 3000 employees. Ipoh’s assembly and test site for optical components, transceivers, and wavelength management equipment, remains committed to the expansion of Coherent Corporation, accelerated by the growth of next generation products to meet the increasing demands for network bandwidth and data storage.  

 

Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Job Short Description:

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Frequently asked questions

What skills are required for Test Engineer, Maintenance at Coherent Corp?

The required skills for Test Engineer, Maintenance at Coherent Corp include: Electrical Engineering.

What is the seniority level for Test Engineer, Maintenance at Coherent Corp?

Test Engineer, Maintenance at Coherent Corp is a Entry / Mid Level level position.

How do I apply for Test Engineer, Maintenance at Coherent Corp?

You can view the full description and apply for Test Engineer, Maintenance at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-walk-in-interview-at-p3-engineer-technician-3ubzi.