Field Service Engineer III - Mass Spectrometry (On-Site)

Thermo Fisher Scientific • Cambridge, MA

19d • $40 - $60 • Onsite

About The Position

Thermo Fisher Scientific is seeking an experienced Field Service Engineer III to provide dedicated, primarily on-site technical support for mass spectrometry systems and high-performance liquid chromatography (HPLC) systems at a customer laboratory in Cambridge, Massachusetts. The role focuses on resolving challenging instrument problems, maximizing equipment uptime, and helping laboratory teams continue critical scientific work with minimal disruption. The engineer will primarily support one customer location, with occasional support at nearby Cambridge customer sites.

The engineer will troubleshoot, diagnose, repair, install, upgrade, and verify the performance of sophisticated analytical instruments. Work may involve mechanical, electronic, vacuum, fluidic, and software-related systems. The role includes preventive and corrective maintenance, identifying recurring issues and recommending improvements, and maintaining accurate service records and equipment histories.

The position involves close collaboration with scientists, laboratory personnel, customer stakeholders, and internal technical teams. The engineer will communicate findings and recommendations clearly, respond to urgent service needs, and independently manage technical priorities while balancing service quality, safety, and customer expectations.

The position is based in Cambridge, Massachusetts, and work is performed primarily at a dedicated customer laboratory. The stated estimated hourly pay range is $40.06–$60.09. The position may also be eligible for a variable annual bonus. Benefits include medical, dental, and vision plans; health incentive programs; employee assistance and family support programs; commuter benefits; tuition reimbursement; paid time off and holidays; paid parental leave; accident and life insurance; short- and long-term disability; a 401(k) retirement savings plan; and an employee stock purchase plan.

Requirements

• Hands-on experience troubleshooting, maintaining, repairing, or servicing mass spectrometry, LC-MS, HPLC/UHPLC, or comparable complex analytical laboratory instrumentation.
• Strong understanding of instrument hardware and supporting systems, including electronics, mechanical components, fluidics, vacuum technology, and instrument control software.
• Ability to systematically diagnose complex instrument failures, identify root causes, and verify proper equipment operation after service.
• Familiarity with laboratory data systems, instrument software, and associated technologies.
• Confidence working independently and managing technical priorities in a customer laboratory environment.
• Strong communication and interpersonal skills, particularly when explaining technical issues to scientists and laboratory personnel.
• Customer-focused approach and commitment to responsive, high-quality service.
• Attention to detail in maintenance activities, service reports, and technical documentation.
• Ability to collaborate effectively with technical teams and customer stakeholders.
• Advanced degree with at least 3 years of relevant experience, or a bachelor's degree with at least 5 years of relevant experience.
• Proficiency in English.
• Valid driver's license.

Nice To Haves

• A degree in Chemistry, Engineering, Physics, Life Sciences, or a related technical or scientific discipline is preferred.
• Experience supporting laboratory instrumentation in pharmaceutical, biotechnology, analytical testing, or regulated environments is advantageous.
• Experience with quality management systems and regulated laboratory procedures is preferred.

Responsibilities

• Troubleshoot, diagnose, and repair sophisticated mass spectrometry and related analytical instruments.
• Investigate mechanical, electronic, vacuum, fluidic, and software-related problems, identify root causes, and restore instrument performance.
• Perform instrument installations, upgrades, diagnostics, and performance verification.
• Conduct preventive and corrective maintenance to minimize instrument downtime and support reliable laboratory operations.
• Identify recurring equipment issues and recommend solutions to improve long-term instrument performance.
• Maintain accurate service documentation, equipment histories, and technical records in accordance with applicable procedures.
• Work directly with scientists, laboratory personnel, and customer stakeholders to understand instrument concerns and service priorities.
• Communicate technical findings, service progress, and repair recommendations clearly and professionally.
• Respond to urgent service needs while balancing technical quality, safety, and customer expectations.
• Work independently at the primary customer site and collaborate with technical support teams and other service specialists as needed.
• Provide occasional support at nearby Cambridge customer sites.

Benefits

• Choice of national medical and dental plans and a national vision plan, including health incentive programs.
• Employee assistance and family support programs, including commuter benefits and tuition reimbursement.
• At least 120 hours of paid time off (PTO) and 10 paid holidays annually.
• Paid parental leave: 3 weeks for bonding and 8 weeks for caregiver leave.
• Accident and life insurance, and short- and long-term disability in accordance with company policy.
• Competitive 401(k) U.S. retirement savings plan.
• Employee Stock Purchase Plan offering eligible colleagues the opportunity to purchase company stock at a discount.
• May be eligible for a variable annual bonus based on company, team, and/or individual performance results.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior