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HomeCompaniesDelfidiagnosticsSenior Director, Assay Development

Senior Director, Assay Development

Delfidiagnostics · Palo Alto, CA · On Site · Active · $275,000–$310,000 / year · Lever

Job facts

FieldValue
CompanyDelfidiagnostics
TitleSenior Director, Assay Development
Normalized title-
Department / teamAssay Research & Development / Research & Development
LocationPalo Alto, CA, United States
Work modelOn Site
Employment typeFull Time
Salary$275,000–$310,000 / year
Statusactive
ATS providerLever
Posted / first seen2026-05-13 / 2026-05-29
Changed / last seen2026-06-03 / 2026-06-06

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Company jobsActive postings from Delfidiagnostics.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Lever.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Palo Alto.Open
Department jobsActive postings in Assay Research & Development.Open
Work model jobsActive On Site postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyDelfidiagnostics
Source24bf55d7-6b10-413d-a19f-41609955af2b
ATS providerLever

Description

DELFI Diagnostics, Inc. (DELFI Diagnostics) is developing next-generation, blood-based tests that are reliable, accessible and deliver a new way to help detect cancer. Employing advanced machine-learning methods to whole-genome sequencing data, the DELFI ("DNA EvaLuation of Fragments for early Interception") platform is built to address the highest-burden health challenges. DELFI Diagnostics prioritizes solutions that have the potential to save lives on a global scale, including for historically underserved populations. DELFI Diagnostics’ platform relies on fragmentomics – the discovery that cancer cells are more chaotic than normal cells and, when they die, leave behind tell-tale patterns and characteristics of cell-free DNA (cfDNA) fragments. FirstLook Lung, for individuals eligible for lung cancer screening, is DELFI Diagnostics’ first laboratory-developed screening test and can be part of routine blood work. FirstLook Lung uses millions of data points to reliably identify individuals who may have cancer detected through low-dose CT, including early stage disease with a negative predictive value of 99.8 percent. This test has not been cleared or approved by the FDA. In our passionate pursuit to radically improve health outcomes, we serve humanity when we: Lead with Science, Anchor in Pragmatism: We pioneer life-changing science by ensuring quality, transparency, and rigor at all times. We explore thoughtfully, experiment smartly, and deliver impact with conviction. Build With & For All: We embrace diverse backgrounds to innovate and achieve together. We are not just building a product - we aim to disrupt the path of cancer for all - no matter geography or socioeconomic class Put We over I: We are a home for high-performing people. Through teamwork, we build collective intelligence. Each of us wins when those we serve and those who serve with us--win. We show up with empathy, humility, and integrity at every step of the journey. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. About the role As Senior Director of Assay Development, you will own all development activities across DELFI’s NGS-based cancer screening portfolio — driving the transition of innovative assays into verified, validated, and manufacturable IVD products. Reporting to the CTO, you will lead a team of scientists and functional leaders and serve as a key voice on product strategy across R&D, Quality, Regulatory, and Manufacturing. This role demands hands-on scientific judgment to know when and where to take calculated risks — and when not to — leading with science while anchoring every decision in pragmatism to keep programs moving against ambitious timelines without compromising quality or integrity. This role requires 4 days in the Palo Alto office. What you'll do Own end-to-end assay development strategy across all LDT and IVD programs — from study design and execution through protocol approval, analytical validation, regulatory documentation, and FDA PMA submissions Establish and enforce compliant analytical performance claims aligned to CLIA, FDA, and international IVD standards (21 CFR Part 820, ISO 13485, ISO 14971, IVDR) Contribute to and/or lead Formal Design Reviews at key milestones; partner with Systems Engineering to ensure product requirements are fully addressed through design verification Oversee reagent development and qualification, automated process scale-up, and statistical process control (SPC) for lab production environments Lead design transfer activities across programs, ensuring robust handoffs to manufacturing and sustained assay performance at commercial scale Report directly to the CTO; lead a team of scientists and functional leaders across assay development, validation, and manufacturing readiness Design and own the operational infrastructure for the function — scalable processes, SOPs, design control frameworks, and traceability systems aligned to 21 CFR Part 820 and ISO 13485 Apply hands-on scientific judgment to make deliberate risk decisions — knowing where to push for speed and where standards are non-negotiable — keeping programs moving against ambitious timelines without compromising quality or integrity Represent Assay Development at the executive level; align with the CTO, VP of Regulatory & Quality, and other senior leaders on portfolio priorities and product strategy What you'll bring Required PhD or MS in Molecular Biology, Biochemistry, Biomedical Engineering, Genomics, or a related discipline 12+ years in IVD and/or LDT assay development in regulated environments Hands-on expertise in AV and design verification of multi-marker genomic or ‘omic-based assays, with direct experience contributing to FDA regulatory submissions Deep knowledge of IVD regulatory frameworks: FDA 21 CFR Part 820, ISO 13485, ISO 14971, and IVDR Proven track record designing scalable processes, SOPs, quality systems, and operational infrastructure in regulated IVD environments Demonstrated ownership of late-stage development programs through design transfer and manufacturing scale-up Ability to lead with science while anchoring in pragmatism — applying hands-on expertise to make sound risk judgments that keep programs on ambitious timelines without sacrificing rigor or compliance 8+ years’ management experience including best practices in recruiting, coaching, performance management, and career development Superb communication skills including mastery in written & oral presentations, large- and small-group forums Start-up mindset: passionate, innovative, accountable, able to rapidly prioritize and triage, biased to action Proactive, decisive, and composed with a balance of high IQ & EQ Preffered Direct leadership of FDA PMA submissions Background in reagent development, critical reagent qualification, and SPC in manufacturing environments Experience in high-growth or scaling biotech/diagnostics companies; track record of multiple launched LDT/IVD products

Full job record

Job IDc586e40acdb3a18a8ad2b41b46f262ce47f186c1
Org ID58adb589-c4b6-4e0f-9801-a21dcd67f2c8
Source ID24bf55d7-6b10-413d-a19f-41609955af2b
Board ID24bf55d7-6b10-413d-a19f-41609955af2b
Providerlever
Provider Job Keya29cc5f8-2776-468f-97de-d3c51ca682fe
TitleSenior Director, Assay Development
Normalized Title
Statusactive
Activeyes
Location TextPalo Alto, CA
DepartmentAssay Research & Development
TeamResearch & Development
Employment TypeFull-Time
Workplace Typeon_site
Remote Policy
CountryUnited States
RegionCA
CityPalo Alto
Salary RawUSD 275000-310000 per-year-salary
Salary Min275,000
Salary Max310,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://jobs.lever.co/delfidiagnostics/a29cc5f8-2776-468f-97de-d3c51ca682fe
Apply URLhttps://jobs.lever.co/delfidiagnostics/a29cc5f8-2776-468f-97de-d3c51ca682fe/apply
First Seen At2026-05-29 06:59:31Z
Last Seen At2026-06-06 19:41:17Z
Last Checked At2026-06-06 19:41:17Z
Last Changed At2026-06-03 12:26:25Z
Inactive At
Source Posted At2026-05-13 20:33:08Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=lever/board=delfidiagnostics/date=2026-06-06/2026-06-06T19-41-16-924Z-dc1a68a3654e9f8dbc29ef0d5ab270a5b586802b3b9a4192ad6e3474a49a7794.json
Event Fields
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  "active_status": "active"
}
Parsed Structured
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Extensions
{}
Native Structured
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      "text": "About the role",
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      "text": "What you'll do ",
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