Field Services Engineer

Air Liquide; United States; On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) with company match

Tuition Assistance

Paid Holidays

Vacation & Sick time

Birth/Family benefits

Job summary

Air Liquide is hiring a Field Service Engineer for Semiconductor Gas Systems in Dallas, TX. You will serve as the technical authority for the operation, maintenance, and reliability of gas delivery and purification systems, ensuring ultra-high purity delivery of Argon, Nitrogen, Hydrogen, Oxygen, and Helium.

You will lead design reviews, installation support, and troubleshooting across manufacturing environments while supporting safety and compliance with HS&E standards.

Qualifications

• BS in Engineering and 5 years of field/service experience.
• Experience with high-purity gas delivery systems in related industries.
• Willingness to travel up to 40% nationwide.

Responsibilities

• Ensure safety and reliability of gas systems in manufacturing sites.
• Oversee design basis and documentation for facilities upgrades.
• Operate and troubleshoot complex gas delivery and purification systems.
• Provide installation support, commissioning, and vendor coordination.
• Respond to gas system upsets and support emergency scenarios nationwide.
• Maintain site SOPs and CMMS records.

Skills

Gas systems experience

PLC & DCS controls

Analytical instrumentation

Troubleshooting & repair

Electrical safety (600V)

Reading P&IDs & schematics

Travel willingness (up to 40%)

Education

BS in Engineering

Tools

CMMS

Gas analysis equipment

Leak detection tools

Job description

At Air Liquide, we RESPECT, HONOR and VALUE diversity.

Air Liquide is Hiring for a Field Service Engineer - Semiconductor Gas Systems in Dallas, TX!

We are looking for you !

• Pay: $120,000.00 - $130,000.00 per year
• Comprehensive Family Benefits: Air Liquide offers a full benefits package designed to support your whole life, including Medical, Dental, Vision, Life, AD&D, and Disability Insurance.
• Support for Parents: We offer up to 14-week paid child birth benefits to support growing families.
• Future Security: 401(k) Retirement Plan with company match, Tuition Assistance, Paid Holidays, Vacation, and Sick time.
• Early Access: Your benefits start day 1.

As a Field Service Engineer – Semiconductor Gas Systems, you will serve as the primary technical engineering authority for the general operations, maintenance, and reliability of semiconductor gas delivery and vendor-provided bulk gas purification systems. In this role, you will support mission-critical manufacturing environments by ensuring the continuous, ultra-high purity (UHP) delivery of gases including Argon, Nitrogen, Hydrogen, Oxygen, and Helium.

This position's responsibilities include Engineering oversight and expertise on UHP gas systems, analytical instrumentation knowledge, and familiarity with purification technologies (including ambient and regenerating heated getter-style purifiers). You will manage the entire lifecycle of system equipment - from actively participating in Design Reviews and PHAs as a team member or leader, installation engineering support and routine testing to technical troubleshooting and emergency response.

Responsibilities

• Safety and Reliability: Implement sound engineering solutions to Improve the overall safety and reliability of existing manufacturing installations.
• Design: Responsible for establishing engineering design basis, and assisting with design documentation (e.g. PFDs, PIDs, equipment and instrument specification sheets, process package, MOC, interlock matrix, functional design specifications) for both new and existing facilities while following department standards.
• Gas System Operations: Oversee the daily performance and general operations of complex semiconductor gas distribution and bulk purification systems to ensure an uninterrupted, in-spec gas supply.
• Electrical: Certified to work on high voltage electrical equipment
• Analytical Testing & Instrumentation: Set up, calibrate, and operate sensitive analytical instruments to facilitate gas quality testing. Monitor system purity levels and generate test and analytical reports.
• Maintenance & Repair: Execute preventative maintenance (PM) schedules, perform purifier regenerations, and complete corrective mechanical and electrical repairs on gas system piping, valves, and control components. Document all activities within the computerized maintenance management system (CMMS).
• Troubleshooting & Engineering Diagnostics: Diagnose complex electro-mechanical failures and process upsets in pressurized environments, utilizing electrical schematics and Piping and Instrumentation Diagrams (P&IDs) to perform root-cause analysis.
• Installation Support: Provide Engineering oversight during the installation and commissioning of new gas delivery systems and purification skids, ensuring compliance with strict site specifications and safety codes.
• Contractor Management: Manage third-party contractors during site projects, actively monitoring safety compliance and the quality of execution.
• Emergency Response: Provide on-call and rapid deployment support to address unexpected gas system upsets nationwide, minimizing manufacturing downtime.
• Inventory Control: Provide Operations site support to maintain and optimize an on-site spare parts inventory for key gas systems to maximize equipment availability.
• Documentation: Support the development of site‑specific Standard Operating Procedures (SOPs).
• Communication: Maintain routine, clear communication with customers and internal operations teams.
• EHS Compliance: Comply for all applicable Health, Safety, and Environmental (HS&E) standards, including but not limited to PPE, Forklift Operations, Lock‑Out/Tag‑Out (LOTO), and Confined Space Entry.

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Required Qualifications

• BS in Engineering
• 5 years of hands‑on experience in a field service, technical operations, or systems engineering role.
• Working knowledge of PLC and DCS controls systems.
• Industry Background: Demonstrated experience working with high‑purity gas delivery systems within the semiconductor, aerospace, or chemical process industries.
• Ability and willingness to travel up to 40% nationwide to support various regional customer sites and Operations.
• Comprehensive understanding of the operation, components, and safety dynamics of high‑pressure specialty and bulk gas delivery systems.
• Proficiency in using gas analysis techniques and equipment, including online moisture analyzers, trace oxygen analyzers, gas chromatographs, and leak detection equipment.
• Working knowledge of gas purification principles, specifically dealing with ambient catalyst beds and regenerating heated getter‑style purifiers.
• Proficient in reading and interpreting Piping and Instrumentation Diagrams (P&IDs), electrical schematics, and PLC logic.
• Skilled in using specialized hand/power tools, electro‑mechanical troubleshooting and repair, and working on pressurized gas delivery systems.
• Certified to work on 600V electrical systems
• Firm knowledge of industrial safety protocols. Strict adherence to Lock‑Out/Tag‑Out (LOTO), Job Hazard Analysis (JHA), and hazardous materials handling procedures.
• Must be able to wear all required safety equipment, including cleanroom suits, hardhats, safety glasses, safety shoes/boots, and Fire‑Resistant Clothing (FRC).
• Comfortable standing and walking for long periods across expansive industrial facilities.
• Ability to bend, stoop, reach, climb ladders, and maneuver safely in tight spaces to access piping and enclosed equipment modules.
• Ability to safely lift and carry up to 50 lbs.

Preferred Qualifications

• Experience in the industrial gas industry
• Experience in the semiconductor industry