Senior Field Service Engineer

Responsibilities

• Lead end-to-end failure investigations of robotic systems including mechanisms, motors, cables, connectors, encoders, electronics, and software.
• Perform forensic teardown, non-destructive and destructive analysis, and controlled replication of failure conditions.
• Distinguish symptoms vs. mechanisms vs. root causes under incomplete or conflicting data.
• Drive 5-Why, Ishikawa, fault tree, and hypothesis testing methodologies.
• Identify multifactor root causes (design, process, parts/supplier, environment, usage) of robot handling errors, robot motion failures, communication faults, and vacuum system abnormalities.
• Validate root causes through data, experiment, and repeatability.
• Write and review detailed failure analysis (FA)/RMA reports, ensuring clear documentation of root cause, corrective action, and prevention measures.
• Provide the OEM and End user technical support via phone, email, and in person.
• Help with installs, commission, and service vacuum wafer-handling robots integrated into semiconductor process equipment.
• Perform preventive and corrective maintenance, including robot motion system service, precision alignment, and contamination control.
• Support wafer-handling accuracy, end-effector alignment, and high-vacuum performance.
• Serve as a senior technical resource for OEM and End users.
• Manage escalations with structured communication, detailed action plans, and complete resolution.
• Compile service data into customer-ready reports and presentations using CRM and other reporting tools.
• Lead system upgrades, retrofits, installations, and multitool deployments.
• Collaborate with engineering, quality, applications, and product management to improve tool reliability and performance.
• Maintain accurate service history, configuration updates, and documentation within CRM platforms.

Qualifications

• Strong mechanical and electronics troubleshooting skills.
• Experience analyzing logs and diagnostic data to identify vacuum robot system faults.
• Proven ability to write, review, and present failure analysis and RMA reports.
• Experience communicating with end users and OEM engineering teams and managing escalations.
• Proficiency with CRM software and customer-facing documentation.
• Ability to travel domestically and internationally.

Preferred Skills

• Hand-on semiconductor fab experience including cleanroom protocols and contamination control.
• Knowledge of high-vacuum systems and wafer-handling robotics.
• Experience with robot software, motion control systems, and automation software.
• Familiarity with structured problem-solving methodologies (8D, 5-Why, Ishikawa).
• Experience supporting high-volume manufacturing environments.

Skills Required

• Strong mechanical and electronics troubleshooting skills.
• Experience analyzing logs and diagnostic data to identify vacuum robot system faults.
• Proven ability to write, review, and present failure analysis and RMA reports.
• Experience communicating with end users and OEM engineering teams and managing escalations.
• Proficiency with CRM software and customer-facing documentation.
• Ability to travel domestically and internationally.

Benefits

• Competitive compensation package including comprehensive health benefits (medical, dental, and vision), generous paid time off, 100% company-paid short-term and long-term disability insurance, 100% company-paid basic life and AD&D insurance, and a 401(k) plan with 5% company matching.
• Commitment to professional development ensuring continuous learning and career advancement.

Persimmon Technologies

• A workplace that supports your success and well-being.
• Equal Employment Opportunity Statement: Persimmon Technologies is committed to providing equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by law.