--- title: 'Senior Field Service Engineer at Quantum-Si' canonical: 'https://feeny.ai/job/senior-field-service-engineer-quantum-si-san-diego-m1th43gh7htw' type: 'job' last_seen: '2026-10-28' --- # Senior Field Service Engineer at Quantum-Si - **Company:** Quantum-Si - **Location:** San Diego, CA - **Posted:** 2026-10-27 - **Last confirmed live:** 2026-10-28 - **Apply:** https://job-boards.greenhouse.io/quantumsi25/jobs/6237012004 ## Job description Quantum-Si is seeking a highly skilled and motivated Senior Field Service Engineer to play a critical role in scaling our global service organization. This individual will combine hands-on field support with the development of service processes, infrastructure, and best practices to support a growing installed base of advanced life science instrumentation. The ideal candidate is both technically strong and operationally minded, capable of resolving complex issues in the field while helping build the foundation for a world-class service organization. Key Responsibilities: Field Service Execution - Install, maintain, troubleshoot, and repair advanced life science instrumentation in customer laboratories - Perform preventative maintenance, calibrations, upgrades, and system validations - Support instrument relocations and ensure systems meet operational specifications Customer Support and Escalation Management - Diagnose and resolve complex hardware, software, and system integration issues - Serve as a technical escalation point for critical customer issues - Collaborate with internal engineering and support teams to drive rapid resolution Service Infrastructure Development - Develop and refine service procedures, manuals, and troubleshooting protocols - Partner with product management and commercial leadership to define service contract offerings - Help establish global service models including training programs, parts strategies, and depot operations - Contribute to the development of service documentation including IFUs,manuals,knowledge base articles, FAQs and training videos Cross-Functional Collaboration - Partner with R&D to identify failure trends and drive product improvements - Support Sales and Field Applications teams with pre- and post-sales activities - Provide feedback from the field to inform product design, usability, and reliability Operational Excellence - Document all service activities in CRM or case management systems - Track and report key service metrics including uptime, response time, and resolution performance - Manage multiple service cases and projects simultaneously - Deliver a high level of customer satisfaction as measured by service feedback and retention Connectivity and IT Integration - Support instrument connectivity in customer environments including secure networks - Enable remote diagnostics and cloud-based system integration - Work with customer IT teams to ensure compliance with security and data requirements Qualifications: - Bachelor's degree in engineering, Physics, or a related technical field - 5+ years of field service experience supporting capital equipment in biotech, diagnostics, life sciences, medical device or equivalent industry - Strong experience with fluidics and optical instrumentation systems - Experience connecting instruments to enterprise or cloud-based networks in secure environments - Proficiency with CRM or service management systems such as Salesforce - Excellent troubleshooting, analytical, and problem-solving skills - Strong communication and interpersonal skills with a customer-first mindset - Ability to work independently while collaborating effectively across teams - Valid driver’s license and ability to obtain a passport for international travelas required Leadership Expectations - Serve as a technical expert and leader within the field service organization - Mentor and support the development of junior field service engineers - Drive continuous improvement in service operations and customer experience Work Conditions - This position is based in San Diego, California with significant field travel - Travel requirement of up to 70 percent, including overnight and international travel - Ability to lift up to 50 pounds and work in laboratory environments - Exposure to biological samples and hazardous materials may be required ## Compensation and Benefits The estimated base salary range for this role in the United States of America is: $135,000 – $155,000. Compensation decisions are dependent on several factors including, but not limited to, level of the position, an individual’s skills, knowledge and abilities, location where the role is to be performed, internal equity, and alignment with market data. Additionally, all full-time employees are eligible for our discretionary bonus program and equity as part of the compensation package. ## Equal Opportunity Statement Quantum-Si is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status, or other protected characteristics. Quantum-Si does not accept agency resumes. ## About Quantum-Si ## Company Overview - **One-liner**: Quantum-Si is pioneering the post-genomic era by making single-molecule protein sequencing accessible through its benchtop Platinum and Platinum Pro instruments. - **Entity Type**: Public (NASDAQ: QSI) - **Headquarters**: Branford, Connecticut, United States - **Founded**: 2013 - **Founders**: Jonathan Rothberg ## Core Business - **Primary industry**: Biotechnology Research / Life Sciences Tools (Proteomics) - **Target customers**: B2B; academic research labs, pharmaceutical and biotechnology companies, core facilities, and drug development organizations. - **Mission or purpose statement**: To power the post-genomic era of biology by making next-generation protein sequencing (NGPS) accessible to every lab, everywhere, enabling breakthroughs in drug discovery, diagnostics, and human health. ## Products & Services - **Platinum® Pro**: An advanced benchtop next-gen protein sequencer (NGPS) delivering single-molecule resolution with real-time kinetic insights. It features a simplified workflow (less than three hours of hands-on time), a user-friendly touchscreen interface, and flexible data analysis (local or cloud-based). Designed for variant detection, protein identification, and post-translational modification (PTM) analysis. - **Platinum®**: The world’s first next-gen protein sequencing instrument, enabling single-molecule, single-amino-acid resolution for proteomics research. - **Proteus™ Platform**: A next-generation platform (announced in partnership with Cell Signaling Technology) focused on advancing post-translational modification (PTM) analysis. - **Protein Barcoding**: A solution for simultaneously characterizing multiple protein variants, increasing throughput for screening and therapeutic development, including applications in drug delivery (LNPs, AAV capsids) and antibody characterization. ## Market Standing - **Valuation/Market Cap**: $109.7 million (as of mid-2026) [linkedin.com] - **Key Metric**: Annual Revenue of $2.4 million (public company) [linkedin.com] - **Total Funding**: $1.065 billion (including post-IPO equity rounds) [linkedin.com] - **Notable Investors/Partners**: HighCape Capital Acquisition Corp (parent), Cell Signaling Technology (strategic partner for PTM analysis), 4Catalyzer (affiliated incubator). - **Growth Signals**: - Publicly traded on NASDAQ (QSI) since June 2021. - Announced a strategic partnership with Cell Signaling Technology in June 2026 to advance PTM analysis on the Proteus platform [quantum-si.com]. - Expanding commercial presence with a roadshow for the Proteus platform [quantum-si.com]. - Named "2023 Proteomics Company of the Year" and "Innovation by Design 2023" [quantum-si.com]. - Active hiring for senior commercial and field roles, indicating a push to scale go-to-market. ## Competitive Advantages - **First-mover in NGPS**: Quantum-Si is the first company to bring a next-generation protein sequencing (NGPS) platform to market, offering single-molecule resolution that traditional mass spectrometry and Edman degradation cannot achieve. - **Simplified Workflow**: The platform requires less than three hours of hands-on time and no dedicated lab space or specialized expertise, making advanced proteomics accessible to a broader range of labs. - **Unique Kinetic Profiling**: Uses real-time, single-molecule kinetic signatures to detect protein variants, post-translational modifications, and proteoforms, providing deeper functional insights than antibody-based or mass-spec methods. - **Integrated AI**: Blends biology, chemistry, and artificial intelligence to drive data analysis and interpretation. ## Strategic Focus - **Commercial Expansion**: Scaling the commercial team (hiring field application scientists, service engineers, and business development managers) to drive adoption of the Platinum and Proteus platforms globally. - **Partnership Development**: Deepening collaborations with key players like Cell Signaling Technology to expand applications in PTM analysis and drug development. - **Platform Evolution**: Advancing the Proteus platform and expanding the protein barcoding solution for high-throughput screening in therapeutic development (e.g., LNPs, AAV capsids). - **Market Penetration**: Moving beyond early adopters to broader academic and pharmaceutical markets, with a focus on making proteomics accessible without dedicated lab space or specialized expertise. ## Why Work Here - **Culture**: Described as dynamic, collaborative, and purpose-driven, with a focus on innovation and solving complex scientific challenges. Values include "Never Settle," "Embrace Change," "Succeed Together," "Stand Up," and "Speak Up" [quantum-si.com]. - **Mission-Driven**: Employees are motivated by the potential to transform human health and make a global impact through accessible protein sequencing. - **Benefits & Perks**: 100% fully covered medical/dental/vision, generous HSA contribution on HDHP, 401K plan, generous parental leave, flexible paid time off, short/long-term disability, and company-sponsored life insurance [quantum-si.com]. - **Equity**: 100% of employees are stakeholders, aligning team members with company success. - **Work Environment**: Dynamic and collaborative culture. Roles are a mix of on-site (San Diego, CA; Branford, CT) and remote (e.g., Field Application Scientist, Northwest AMR). The company emphasizes transparency, adaptability, and a purpose-driven mission. - **Headcount**: 153 employees, with a +1.6% YoY growth. The team is primarily US-based (75%) with a presence in France, UK, Germany, Spain, Belgium, and Singapore [linkedin.com]. ## Sources 1. [quantum-si.com](https://www.quantum-si.com/) 2. [quantum-si.com/about](https://www.quantum-si.com/about/) 3. [quantum-si.com/careers](https://www.quantum-si.com/about/careers/) 4. [linkedin.com/company/quantum-si](https://www.linkedin.com/company/quantum-si) 5. 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