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Aoi Application Engineer Jobs (NOW HIRING)

AOI Engineer

Santa Ana, CA ยท On-site

$75K - $97K/yr

AOI Engineer Department: Quality Location: Santa Ana, CA FLSA Status: Exempt, Full- Time Job ... If you require any accommodation during the application process or have any questions regarding our ...

AOI Engineer

Santa Ana, CA ยท On-site

$75K - $97K/yr

AOI Engineer Department: Quality Location: Santa Ana, CA FLSA Status: Exempt, Full- Time Job ... If you require any accommodation during the application process or have any questions regarding our ...

$80 - $100/hr

AOI is committed to providing equal opportunity in all of our employment practices, including ... Manufacturing Application Support Engineer Applied Optoelectronics, Inc. (AOI) is a leading ...

Reporting to the Test Engineering Manager , the Engineering Tech (AOI, AXI) will perform complex ... Tuition Reimbursement Application Deadline: Applications for this job position will be accepted for ...

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Aoi Application Engineer information

See salary details

$50.5K

$110.7K

$152K

How much do aoi application engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for aoi application engineer in the United States is $110,698.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $135,000.00 per year, depending on experience, location, and employer.

What is the difference between Aoi Application Engineer vs Aoi Test Engineer?

AspectAoi Application EngineerAoi Test Engineer
Primary FocusImplementing and supporting Aoi systems in applicationsTesting and validating Aoi systems and components
Required SkillsSystem integration, customer support, technical troubleshootingTesting procedures, quality assurance, defect analysis
Work EnvironmentCustomer sites, engineering labs, project teamsTesting labs, quality assurance departments
Common CertificationsRelevant engineering or technical certifications, Aoi-specific trainingTesting and quality assurance certifications, Aoi training

The Aoi Application Engineer focuses on deploying and supporting Aoi systems in real-world applications, working closely with clients and technical teams. In contrast, the Aoi Test Engineer specializes in testing and validating Aoi components to ensure quality and performance. Both roles require technical knowledge of Aoi technology but serve different stages of the product lifecycle.

What cities are hiring for Aoi Application Engineer jobs?

Cities with the most Aoi Application Engineer job openings:

What states have the most Aoi Application Engineer jobs?

States with the most job openings for Aoi Application Engineer jobs include:

What are popular job titles related to Aoi Application Engineer jobs?

For Aoi Application Engineer jobs, the most frequently searched job titles are:

Infographic showing various Aoi Application Engineer job openings in the United States as of September 2026, with employment types broken down into 77% Full Time, 19% Part Time, and 4% Contract. Highlights an 88% Physical, 2% Hybrid, and 10% Remote job distribution, with an average salary of $110,698 per year, or $53.2 per hour.

AOI Engineer

Santa Ana, CA โ€ข On-site

Regal Technology Partners Inc
Guided Missile and Space Vehicle Manufacturingย โ€ขย 11 - 50 employees

$75K - $97K/yr

Full-time

Re-posted 23 days ago


Job description

Description

Position Title: AOI Engineer

Department: Quality

Location: Santa Ana, CAย 

FLSA Status: Exempt, Full- Timeย 


Job Summary:ย 

The AOI Engineer is responsible for in-process detection engineering, SPI (Solder Paste Inspection), AOI (Automated Optical Inspection), and Ball Grid Array X-Ray, for both new product introduction (NPI) and sustaining engineering activities. This role plans and creates inspection programs, defines detection strategies, troubleshoots SMT process issues to root cause, and drives continuous improvement of inspection capability and quality across the production line. The AOI Engineer works cross-functionally with engineering, quality, production, and customers to ensure inspection processes support product quality and manufacturing efficiency.


Key Responsibilities:ย 


Inspection Programming & Process Engineering

Plan, create, and maintain SPI/AOI/X-Ray programs and ensure process documentation is completed and updated in time for production

Develop and provide SPI/AOI/X-Ray programs and technical support for new product introduction (NPI)

Monitor SPI/AOI/X-Ray inspection and detection windows and modify as necessary to increase machine capability, reduce false calls, and improve quality

Continuously review and improve the strategy and technology used in SPI/AOI inspection processes


Troubleshooting & Quality

Troubleshoot SMT process issues (SPI/AOI/X-Ray) to root cause and implement corrective actions in response to internal and external quality feedback

Perform comprehensive line quality troubleshooting using sound engineering principles

Analyze defect trends, generate reports, and recommend corrective actions to improve product quality

Assist in major machine breakdown troubleshooting and coordinate repairs or maintenance as needed

Work with Quality (QMM) on in-process and line audits


Systems, Equipment & Continuous Improvement

Ensure area computers and network systems are maintained in operational condition, with inspection programs regularly updated and backed up

Maintain and upgrade machine capability through engineering benchmarking projects

Perform routine maintenance, updates, and calibration oversight on AOI and X-Ray equipment to ensure consistent performance

Recommend and implement process improvements to enhance inspection accuracy, cycle time, and overall production efficiency

Stay current on industry trends and AOI/X-Ray technology advancements to enhance inspection techniques


Collaboration & Training

Participate in new product development discussions and contribute ideas in the areas of PCB assembly automation and process technology

Work with the engineering systems team on new release processes for SPI/AOI/X-Ray-related programs

Provide training in machine maintenance, operation, and detection processes to technical support personnel

Communicate effectively with cross-functional teams, management, and customers


Qualifications:ย 

Bachelor's degree in Mechanical, Electrical, or Computer Engineering (or equivalent) (preferred)

Minimum 3 years of related working experience in SMT/electronics manufacturing

Experienced with SMT machinery and processes (screen printing, pick and place, reflow)

Able to generate SPI/AOI programs and read/interpret board schematics and engineering drawings

Expertise in engineering principles sufficient to perform comprehensive line quality troubleshooting and root cause analysis

Working knowledge of IPC-A-610 acceptance criteria preferred


Physical Requirements:ย 

Ability to sit, stand, walk, reach with hands and arms, and use hands to operate standard office and inspection equipment.

Occasionally required to stoop, kneel, crouch, or crawl.

Must be able to lift and/or move up to 25 pounds occasionally.

Must be able to work in environments that include manufacturing floors, clean rooms, and test labs, with occasional exposure to machinery or moving parts.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the role.


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This job description is intended to provide a clear overview of the primary duties and responsibilities for the AOI Engineer position. It is not an exhaustive list, and other tasks may be required as needed to support the company's operations.


Regal Technology Partners is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, genetic information, sexual orientation, gender identity, or any other characteristic protected by federal, state, or local laws. We strive to create an inclusive and diverse work environment where everyone is valued and respected.


If you require any accommodation during the application process or have any questions regarding our EEO policies, please contact Human Resources, hr@regaltechnology.com