Senior Engineer, Field Services

Entegris•AZ - Remote, AZ

3d•Onsite

About The Position

Entegris is seeking a Senior Engineer, Field Service to join its Field Service Engineering team, based in the Phoenix metropolitan area. The role provides primary technical support to customers across Arizona, California, and other strategic locations as needed, including frequent travel and extended onsite assignments in the San Francisco Bay Area, particularly Fremont, California. The engineer installs, commissions, qualifies, troubleshoots, repairs, and maintains Entegris solid and liquid precursor delivery systems and related high-purity equipment. The position leads field investigations, supports customer installations and escalations, performs maintenance and upgrades, and communicates technical findings and actions to customers and internal teams. Extensive travel is required, as is participation in an on-call rotation for critical customer events.

Requirements

5+ years of field service, field engineering, equipment engineering, or related technical experience supporting semiconductor capital equipment or process delivery systems.
Demonstrated hands-on experience troubleshooting and servicing semiconductor equipment within customer manufacturing environments.
A practical, solutions-oriented approach and ability to diagnose and resolve equipment issues directly on the production floor.
Ability to work independently, prioritize competing customer needs, and exercise sound technical judgment in time-sensitive situations.
Strong written and verbal communication skills, including the ability to explain complex technical concepts to customers and cross-functional teams.
Professional proficiency in English for customer communication, technical documentation, reporting, and collaboration with global teams.
Ability and willingness to travel 80% or more.
Ability to work flexible schedules, including occasional evenings, weekends, and off-hours support during critical customer events.
Bachelor's degree in mechanical engineering, chemical engineering, electrical engineering, or a related engineering or technical discipline; preferred but not required.

Nice To Haves

Experience with ALD, CVD, EPI, diffusion, etch, or other semiconductor process applications.
Experience with semiconductor precursor, chemical, gas, or high-purity fluid delivery equipment is strongly preferred.

Responsibilities

Install, commission, qualify, troubleshoot, repair, and maintain Entegris solid and liquid precursor delivery systems.
Provide hands-on technical support for solid precursor delivery cabinets; liquid precursor delivery systems; bulk delivery platforms; heated delivery systems and thermal-management equipment; and high-purity fluid-handling and distribution systems.
Lead field investigations and support timely resolution of equipment, reliability, and process-related issues.
Support canister, ampoule, and chemical-container change activities as required.
Perform preventive maintenance, upgrades, field retrofits, and approved system modifications.
Serve as a primary onsite technical resource during installations, escalations, qualification activities, and customer recovery efforts.
Document field activities, troubleshooting results, corrective actions, and relevant technical observations in accordance with Entegris procedures.
Partner with Engineering, Sustaining Engineering, Product Management, Field Service, and other cross-functional teams to communicate field observations and support product and reliability improvements.
Provide clear and timely technical communication to customers and internal stakeholders regarding issue status, findings, actions, and next steps.
Participate in an on-call support rotation and respond to critical customer events as required.
Travel extensively to support customer operations, projects, and business growth initiatives, including regular travel to the San Francisco Bay Area and extended multi-day onsite assignments when required.