# Senior Field Applications Specialist – Mass Spectrometry - LA/San Diego at Roche

Roche is hiring a Senior Field Applications Specialist – Mass Spectrometry - LA/San Diego in Los Angeles, United States. It pays $80k-$149k a year and Level rates it Little AI ●○○○; you can [apply on Roche](https://jobsbylevel.com/go/90109dc3-5538-46d3-9d62-f2ca38bd95aa?utm_medium=ai-agent).

AI Level 1, AI centrality 31 out of 100. Los Angeles.

## Details

- Company: [Roche](https://jobsbylevel.com/companies/roche)
- AI level: AI Level 1 (score 31 out of 100)
- Location: Los Angeles
- Salary: $80k-$149k
- Posted: September 16, 2026
- Apply: https://jobsbylevel.com/go/90109dc3-5538-46d3-9d62-f2ca38bd95aa?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=senior-field-applications-specialist-mass-spectrometry-la-san-diego-at-roche-58b1aa

## Description

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure everyone has access to healthcare today and for generations to come. Join Roche, where every voice matters. The Position Senior Field Applications Specialist – Mass Spectrometry - West Coast (San Diego/ Los Angeles) A healthier future. It’s what drives us to innovate. To continuously advance science and ensure everyone has access to the healthcare they need today and for generations to come. Creating a world where we all have more time with the people we love. That’s what makes us Roche. The Opportunity As a Senior Field Applications Specialist (Sr. FAS) – Mass Spectrometry, you will be a key member of our Customer Support team and the primary scientific and technical authority for Roche’s novel automated mass spectrometry solution, the cobas i601, in customer laboratories within the Core Lab space. Because fully automated mass spectrometry is a transformative, novel technology in a clinical market accustomed to traditional LC-MS/MS workflows, you will play a critical role in bridging the gap between complex analytical chemistry and automated routine testing. You will be responsible for building customer confidence, facilitating pre-sales technical adoption, delivering robust clinical training, and guiding labs through assay validation and regulatory compliance. As a Senior Field Applications Specialist – Mass Spectrometry, you will: Drive Scientific Adoption & Market Trust: Consult with clinical laboratory directors, pathologists, and LC-MS specialists to communicate the fundamental science, reliability, and operational advantages of automated mass spectrometry over traditional manual LC-MS/MS systems. Pre-Sales Technical & Consultative Support: Partner with the commercial sales team as a subject matter expert. Lead technical presentations, address deep analytical and methodology concerns (e.g., ion suppression, matrix effects, mass accuracy, sensitivity), demonstrate menu expansion, and guide potential buyers through the transition to automated mass spec. Method Validation & Regulatory Compliance: Guide lab personnel through assay implementation, verification, and validation protocols (CLSI guidelines, CAP, CLIA, ISO requirements) to ensure full regulatory compliance and seamless go-live status. Build & Maintain Key Relationships: Build and maintain strong, collaborative relationships with key stakeholders, ensuring high customer satisfaction and positioning Roche as a long-term partner in clinical diagnostic excellence. System Implementation & Application: Assist with the installation of mass spec instrumentation, automated front-end sample prep, and software applications in customer labs. Validate system performance to ensure it consistently meets or exceeds manufacturer specifications. Deliver Comprehensive Training: Deliver on-site training to laboratory personnel on the operation, routine maintenance, theory of mass spectrometry, quality control (QC), calibration strategies, and automated data interpretation. Advanced Technical Troubleshooting: Act as the primary on-site resource for resolving complex analytical, software, and hardware issues related to mass spectrometry and automated sample handling. Perform root cause analysis to minimize downtime. Voice of Customer Feedback: Collect critical feedback on product performance, software usability, and workflow bottlenecks, relaying insights back to R&D and commercial leadership to drive continuous platform improvement. Operational Execution: Follow Roche protocols, maintain accurate records in Roche’s CRM system, and handle administrative duties (travel, expense reporting) promptly. This is a field-base role - overnight

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/senior-field-applications-specialist-mass-spectrometry-la-san-diego-at-roche-58b1aa

Source: https://jobsbylevel.com/jobs/senior-field-applications-specialist-mass-spectrometry-la-san-diego-at-roche-58b1aa

## Cite this page

Level. https://jobsbylevel.com/jobs/senior-field-applications-specialist-mass-spectrometry-la-san-diego-at-roche-58b1aa.

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