Manufacturing Application Support Technician

Applied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and HFC networking products — the building blocks that power AI datacenters, CATV broadband, telecom, and fiber access networks around the world. Headquartered in Sugar Land, Texas, AOI is a vertically integrated company that designs and manufactures everything from semiconductor laser chips to finished optical transceivers, serving tier-one customers across cloud computing, broadband, and telecom.

With R&D operations in Atlanta, GA and global manufacturing presence in Taiwan and China, AOI is publicly traded on the Nasdaq (AAOI) and is actively expanding its U.S.

-based manufacturing operations in Sugar Land to meet accelerating demand in the AI datacenter market.

Applied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and HFC networking products — the building blocks that power AI datacenters, CATV broadband, telecom, and fiber access networks around the world. Headquartered in Sugar Land, Texas, AOI is a vertically integrated company that designs and manufactures everything from semiconductor laser chips to finished optical transceivers, serving tier-one customers across cloud computing, broadband, and telecom.

With R&D operations in Atlanta, GA and global manufacturing presence in Taiwan and China, AOI is publicly traded on the Nasdaq (AAOI) and is actively expanding its U.S.

-based manufacturing operations in Sugar Land to meet accelerating demand in the AI datacenter market.

We are seeking a Manufacturing Application Support Technician to provide ongoing technical support for manufacturing software and productions systems using established SOPs, troubleshooting guides, and work instructions. This position is responsible for performing standard and advanced troubleshooting steps, diagnostic data collection, execute approved system checks, resolving known issues, and escalating unresolved or complex problems to the Manufacturing Application Support Engineering Team.

The ideal candidate is detail-oriented, dependable, and able to follow technical instructions accurately in a fast-paced manufacturing environment. Strong communication, documentation, and basic computer troubleshooting skills are essential. Experience supporting manufacturing systems or production environments is preferred.

• Provide technical support for manufacturing software and production systems by following established Standard Operating Procedures (SOPs), troubleshooting guides, and work instructions.
• Perform standard troubleshooting procedures to identify and resolve known manufacturing application and system issues.
• Collect and document troubleshooting information, including error messages, screenshots, timestamps, Equipment IDs, Lot IDs, system status, and other information required by support procedures.
• Perform approved system checks and recovery actions according to documented procedures, including checking application status, restarting approved applications or services, and verifying system recovery.
• Run predefined SQL queries, scripts, or diagnostic tools as specified in approved troubleshooting procedures to assist with issue investigation. This position is not responsible for developing SQL queries or making unauthorized database changes.
• Provide feedback on troubleshooting guides and SOPs when instructions are unclear, incomplete, or do not match actual system behavior.

Candidates must be authorized to work in the United States. Visa sponsorship is not available for this position.

• Bachelor’s degree in Computer Science, Information Technology, Engineering, Automation, Information Systems, or a related field, or equivalent practical experience.
• Basic proficiency with Windows operating systems and Microsoft Office applications, including Word, Excel, Outlook, and Teams.
• Basic understanding of software applications, system interfaces, and common computer troubleshooting methods.
• Ability to follow established Standard Operating Procedures (SOPs), troubleshooting guides, and work instructions to identify and resolve common technical issues.
• Ability to perform approved system checks, diagnostic procedures, and recovery actions while accurately documenting results.
• Ability to collect and document technical information, including error messages, screenshots, system logs, equipment identifiers, and troubleshooting activities.
• Familiarity with ticketing or…