Field Service Engineer - Mass Spectrometry (SCIEX & Waters)

EquipNet helps the largest manufacturers in the world to buy, sell, and manage their surplus capital equipment.

We're seeking an experienced Field Service Engineer with 5+ years of hands-on expertise servicing SCIEX and Waters mass spec systems, including TOF instrumentation, to provide remote and on-site support to biotech, pharma, chemical, and environmental labs across the region.

Key Responsibilities

• Deliver expert remote and on-site technical support for LC-MS and GC-MS instrumentation, with a primary focus on SCIEX and Waters mass spec and TOF systems, ensuring maximum performance and uptime.
• Diagnose and troubleshoot hardware, software, and application-related issues across mass spec platforms, including SCIEX and Waters.
• Perform preventative maintenance, repairs, and calibrations on SCIEX and Waters instrumentation to meet manufacturer specifications and regulatory standards.
• Lead installation, qualification (IQ/OQ/PQ), and validation of new LC-MS, GC-MS, and TOF systems.
• Optimize instrument performance through advanced tuning, method troubleshooting, and workflow improvements on SCIEX and Waters platforms.
• Provide technical training and guidance to laboratory personnel on instrument operation, maintenance, and best practices.
• Maintain accurate service logs, compliance records, and documentation of all service activities.
• Serve as a brand ambassador, representing EquipNet's technical expertise and commitment to client success.
• Partner with engineering, customer service, and technical support teams to expedite resolution of complex, high-stakes issues.

Requirements

• 5+ years of hands-on field service experience with SCIEX and Waters mass spectrometry systems, including TOF instrumentation, required.
• Advanced expertise in LC-MS and GC-MS systems: hardware troubleshooting, maintenance, and software configuration.
• Proven ability to diagnose complex failures independently and implement effective solutions quickly, often under time pressure in live lab environments.
• Strong familiarity with chromatography data systems (CDS) and mass spectrometry software, particularly SCIEX and Waters platforms (e.g., Analyst, Mass Lynx).
• Excellent problem-solving, analytical, and communication skills.
• Strong organizational skills with a focus on compliance, accuracy, and documentation.
• Ability to work independently in client environments while maintaining a professional, service-oriented approach.
• Must be local to Cerritos, CA.
• Experience & Education
• Associate's or Bachelor's degree in Analytical Chemistry, Engineering, Instrumentation, Biomedical Engineering, or related field (or equivalent hands-on experience).
• 5+ years of experience servicing SCIEX and Waters mass spec/TOF instrumentation in biotech, pharma, chemical, or environmental industries.
• Knowledge of regulatory standards (GLP/GMP, ISO, FDA) is a plus.
• Proficiency with PC operating systems (Windows) and Microsoft Office Suite.
• Valid driver's license and ability to travel up to 25% overnight.