Job Description

Service Engineer

As a Service Engineer at ZefSci, you'll be the technical expert laboratories rely on to keep critical analytical instruments operating at peak performance. Working with advanced chromatography and mass spectrometry systems, you'll deliver installation, maintenance, troubleshooting, and repair services that directly support scientific research and laboratory productivity.

About ZefSci

Since 2005, ZefSci has been a trusted provider of multivendor LCMS service and support, delivering specialized engineering expertise across chromatography, mass spectrometry, and analytical instrumentation platforms. We partner with organizations across pharmaceutical, biotechnology, contract research, and scientific sectors to help ensure their critical laboratory systems perform at their highest level.

At ZefSci, we combine deep technical knowledge with a customer first approach. Our engineers are trusted advisors who work alongside clients to solve complex challenges, maximize instrument performance, and minimize downtime. We are committed to delivering responsive service, practical solutions, and the expertise that helps our customers advance their scientific goals.

What you’ll do

• Own performance and uptime of Sciex LC-MS/MS systems (4500–7500 series)
• Support Shimadzu HPLC platforms (maintenance, calibration, repair)
• Diagnose issues quickly, resolve them effectively, and optimize system performance
• Partner directly with scientists as their onsite technical expert
• Manage preventive maintenance, documentation, and escalations when needed

Why this role stands out

• Single site stability (travel 5–10%)
• High ownership: you are the primary expert on site
• Deep technical exposure in a pharma environment
• Direct impact on scientific output

What you bring

• 2+ years of hands on experience with Sciex LC-MS/MS systems
• Experience with 4500, 5500, 6500, or 7500 series preferred
• Strong background in troubleshooting and maintaining analytical instrumentation
• Experience in lab or regulated environments preferred
• Ability to work directly with scientific end users

Compensation

• Competitive salary
• Full benefits (medical, dental, vision, 401k, PTO)
• Ongoing technical training

Join Us

If you are looking for a role where your technical expertise creates real, measurable impact and where your career can grow inside a company that genuinely values engineering depth, this is the place to build it.

ZefSci is an Equal Opportunity Employer committed to building a diverse and inclusive workplace. We welcome applications from all qualified candidates.

You should be proficient in:

• Analytical Instrumentation
• Field Service Engineering
• Liquid Chromatography (HPLC/UHPLC)
• Liquid Chromatography Mass Spectrometry (LC MS/MS)
• Scientific Instrument Installation & Validation
• Shimadzu HPLC Systems
• SCIEX Mass Spectrometry Platforms