Field Service Engineer - Mass Spectrometry (SCIEX & Waters)

Cerritos based - Candidates must be within commuting distance

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.  

Required Skills & Qualifications 

• 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. 

Compensation & Benefits 

• Salary Range: $85,000 - $115,000 plus bonus/variable component. 

• Comprehensive health and dental insurance 

• 401(k) plan with year-end employer contribution 

• Paid time off and holidays 

• Professional development opportunities, including training and certifications 

• Supportive, collaborative work environment with opportunities for advancement

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