# Field Service Engineer - Mass Spectrometry (SCIEX & Waters)

> EquipNet · Cerritos, United States · — · Posted 2026-10-02

**Salary:** USD 85,000–115,000

**Workplace:** on_site

**Department:** Integrated Lab Services (ILS)

## Description

_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.

## 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

## Apply

[Apply at EquipNet](https://apply.workable.com/equipnet/j/CA90587C69/apply)

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