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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