Senior Medical Science Liaison, Oncology

Eisai US

. Engage with healthcare providers, researchers, professional organization leaders, and population-based decision-makers regarding scientific and medical information .

Posted 10/2/2026full-timeRemote • United StatesSenior💰 $165,300 - $216,900 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates advanced clinical and scientific expertise in Oncology/Hematology, with the ability to effectively communicate complex medical information to healthcare providers and key opinion leaders. Proven skills in mentoring, leading cross-functional teams, and developing strategic Medical Affairs plans.

Highest-signal resume keywords

Advanced Doctorate Degree (MD, PhD, PharmD, DPH, EdD)3+ Years MSL Experience in Oncology/HematologyStrong Scientific and Pharmaceutical KnowledgeEstablished Relationships with Key Opinion LeadersExcellent Presentation and Teaching Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Clinical Research ProcessesFDA RegulationsOIG GuidelinesMedical Affairs Strategic PlanningData AnalysisInvestigator-Initiated StudiesTherapeutic Area KnowledgePerformance EvaluationProject LeadershipCross-Functional Problem Solving

Soft Skills

Strong Written and Verbal CommunicationStrategic ThinkingCoaching and MentoringTeam LeadershipIndependent Work

Tools & Technologies

Word Processing ApplicationsSlide Presentation SoftwareSpreadsheet Applications

Industry Keywords

Pharma/Biotech IndustryOncologyHematologyHealthcare ProvidersProfessional OrganizationsClinical InformationScientific InsightsMedical AffairsCommercial OperationsThird-Party Credentialing

About the role

Key responsibilities & impact

Engage with healthcare providers, researchers, professional organization leaders, and population-based decision-makers regarding scientific and medical information
Serve as the primary clinical and scientific resource for healthcare providers in the assigned territory
Communicate accurate, current clinical, scientific, and medical information between KOLs/investigators and Eisai Medical Affairs and development groups
Establish and maintain peer relationships with KOLs in relevant therapeutic areas
Present clinical, scientific, and economic data on Eisai products and therapeutic areas
Support and lead assigned professional congress activities and coordinate MSL/Sr. MSL coverage
Identify and report scientific, clinical, and research insights from KOLs
Develop, implement, and present Medical Affairs plans for the assigned territory
Maintain current knowledge of disease states, study methodology, clinical information, and product data
Serve as a technical/scientific resource to commercial personnel when requested
Teach, coach, and mentor new or less experienced MSLs
Assist with supervision and performance evaluations and lead special projects
Facilitate review and follow-up of Investigator-Initiated Studies and assist with Eisai-sponsored trials
Serve as primary contact for external investigators submitting Investigator-Initiated Studies
Provide recommendations for site selection and scientific expertise for post-marketing studies
Lead field medical efforts with professional organizations, societies, and advocacy groups

Requirements

What you’ll need

Advanced, terminal Doctorate level (D-level) degree in medical or health sciences (e.g. MD, PhD, PharmD, DPH, EdD)
For MSL: 0–3 years of experience in the pharma/biotech industry, clinical pharmacy, research, or related scientific or clinical settings
For Sr. MSL: minimum of 3 years of MSL experience in Oncology/Hematology
Strong broad-based scientific and pharmaceutical knowledge
Knowledge of treatment guidelines, clinical research processes, FDA regulations, and OIG guidelines
Knowledge and experience within Eisai’s desired therapeutic areas
Established relationships with key opinion leaders and knowledge of relevant institutions
Excellent presentation and teaching skills
Strong written and verbal communication skills
Ability to assess issues and think strategically
Cross-functional work experience
Ability to work independently while adhering to Medical Affairs strategic direction
Ability and interest in coaching and mentoring less experienced MSLs
Ability to lead and motivate team members without a direct reporting relationship
Ability to analyze complex situations and solve cross-functional problems
Sound computer skills, including word processing, slide presentation, and spreadsheet applications
Previous established relationships with KOLs in Oncology/Hematology
Understanding of the pharmaceutical corporate environment and commercial operations
Ability to travel approximately 60% of the time, including air travel, overnight travel, and occasional weekend travel
Possesses and maintains a valid driver’s license
Ability to engage in person with HCPs and other third parties regularly
May be required to complete third-party credentialing and vaccination or entry requirements

Benefits

Comp & perks

Eligibility to participate in Eisai Inc. Annual Incentive Plan
Eligibility to participate in Eisai Inc. Long Term Incentive Plan
Company employee benefit programs
Certain other benefits may be available for this position
Home-based office arrangement