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Quest Diagnostics · Secaucus, NJ

# Director, Medical Science Liaison - Precision Oncology

Secaucus, NJ Director $140,000 - $185,000 Healthcare & Clinical 

Listed on Quest Diagnostics’s official careers site. Listed as of October 20, 2026. Check that it is still open and apply there.
[Apply on Quest Diagnostics’s careers site →](https://careers.questdiagnostics.com/job/secaucus/director-medical-science-liaison-precision-oncology/38852/97583798688)

[OpenNash Jobs](https://jobs.opennash.com/) / [Quest Diagnostics](https://jobs.opennash.com/companies/quest-diagnostics/) / Director, Medical Science Liaison - Precision Oncology

## Job description

### Job Description

The Medical Science Liaison (MSL) – Precision Oncology will be responsible for leading scientific engagement, evidence generation, and cross-functional collaboration to advance solid tumor precision oncology at Quest with a focus on Haystack’s minimal residual disease (MRD) diagnostic platform. This individual will partner with Clinical Franchise leaders and Medical Directors to establish scientific credibility through data-driven communication, guide investigator-initiated and real-world evidence studies, and strengthen peer-to-peer relationships with key external experts.

The MSL will serve as a primary medical voice on the team bridging scientific insights, clinical utility, and commercialization strategies, ensuring medical is positioned as the trusted partner of choice across precision oncology and MRD diagnostics. Field-based responsibilities of this remote position will cover the Southeast United States territory. Candidates must reside within the Southeastern United States (ideally near a major metropolitan hub such as New Orleans, Atlanta, Miami, or Tampa).

Must live within reasonable driving distance to a major metropolitan airport to facilitate territory travel.

### Pay Range

$140,000 - $185,000 Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organization factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.

### Responsibilities

Identify, map, and engage oncology TLs at local, regional, and national levels to foster peer-to-peer collaboration and advocacy for Haystack MRD. TLs should be recognized scientific and clinical leaders, medical advisors to managed care providers and committees, payers, and HCPs active in addressing patient advocacy issues. Provide deep scientific education to healthcare providers, pathologists, and institutions on MRD and precision oncology testing across various tumor types, performance data, and application in clinical workflows.

Responding to inquiries on test interpretation, current medical and scientific issues, healthcare advances, treatment trends, and health outcomes measures. Function as the medical extension of the commercial field organization by helping to prepare for high-value customer engagements, co-develop strategic territory plans, and provide real-time clinical data presentations and clarification during in-field discussions. Partner closely with commercial, marketing, and market access to ensure the scientific rigor, accuracy and compliance of all outward-facing materials.

Serve as an embedded medical resource, regularly joining customer meetings, site visits, and educational presentations to reinforce scientific credibility and support sales objectives within compliance boundaries. Define and maintain the medical scientific framework for brand strategy and positioning. Review and vet marketing collateral, website content, publications, and sales tools for medical accuracy and compliance.

Deliver tailored training and ongoing coaching to sales representatives to ensure consistent, accurate, and compliant communication of MRD and precision oncology data, competitive positioning, and clinical differentiation. Design and execute peer-to-peer programs including dinner meetings, journal clubs, tumor boards, webinars, and educational symposia. Lead scientific sessions during national sales meetings and maintain ongoing “medical office hours” for field team support.

Facilitate pathology department training to reduce testing variability and improve tissue adequacy, pathology workflows, and result quality metrics.

### Qualifications

An advanced degree (PhD, PharmD, MD, or equivalent) in a biomedical or clinical field is required. Advanced nursing degrees (RN, MSN, DNP) will also be highly considered when paired with clinical experience in oncology diagnostics. Deep knowledge of oncology diagnostics and molecular testing markets. Demonstrated experience with liquid biopsy technologies and NGS-based testing strongly preferred. Proven experience supporting evidence-generation activities (IITs, publications, real-world studies).

Excellent written and verbal communication skills; record of peer-reviewed publications preferred. Experience supporting cross-functional training and field medical-scientific engagement. Strong project management and organizational abilities in a fast-paced, matrixed work environment. Willingness to travel (up to 50%) for conferences, internal meetings, and field visits. Demonstrated commitment to compliance with company policies, SOPs, and applicable regulations.

Preferred Work Experience Minimum of 5 years of experience in medical affairs, clinical research, or related roles within diagnostics, oncology, or biotechnology. Physical and Mental Requirements Ability to sit or stand for long periods of time Position is field based; MSL is required to live in the territory which they manage or within 50 miles of the territory borders. Knowledge Demonstrated expertise in oncology, molecular diagnostics, and liquid biopsy/MRD testing.

Strong understanding of clinical research design, data interpretation, and real-world evidence generation Ability to translate complex scientific data into impactful medical dialogue across diverse audiences. Skilled at relationship-building and engagement with TLs, academic investigators, and clinical stakeholders. Strategic thinking with the ability to align medical objectives to broader business goals while maintaining scientific integrity.

Collaborative leadership across cross-functional teams including clinical, commercial, and R&D. Strong presentation, communication, and publication development skills.

### Skills

Ability to work independently- experience working across a matrix organization and commercial teams.

### Education

Work Requirements Up to 50% Travel Required Inquiries to: Alicia.M.Baldon@QuestDiagnostics.com Consultant - Talent Acquisition Partner, Executive Medical Recruiting 62778 Quest Diagnostics honors our service members and encourages veterans to apply. While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.

### Equal Opportunity Employer

Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 20, 2026
- Listed for: 102 days
- Location: Secaucus, NJ
- Pay: $140,000 - $185,000[Apply on Quest Diagnostics’s careers site →](https://careers.questdiagnostics.com/job/secaucus/director-medical-science-liaison-precision-oncology/38852/97583798688)

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