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Senior Medical Science Liaison (TX & NM)


Job Location:

Dallas, TX - USA

Monthly Salary: $ 200000 - 235000
Posted: 3 June 2026 (30+ days ago)
Application Deadline: 3 September 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

About Summit:

Summit Therapeutics Inc. is a biopharmaceutical oncology company with a mission focused on improving quality of life increasing potential duration of life and resolving serious unmet medical needs. At Summit we believe in building a team of world class professionals who are passionate about this mission and it is our people who drive this mission to reality. Summits core values include integrity passion for excellence purposeful urgency collaboration and our commitment to people. Our employees are truly the heart and soul of our culture and they are invaluable in shaping our journey toward excellence.

Summits team is inspired to touch and help change lives through Summits clinical studies in the field of oncology. Summit has multiple global Phase 3 clinical studies including:

Non-small Cell Lung Cancer (NSCLC)

  • HARMONi: Phase 3 clinical study which was intended to evaluate ivonescimab combined with chemotherapy compared to placebo plus chemotherapy in patients with EGFR-mutated locally advanced or metastatic non-squamous NSCLC who were previously treated with a 3rd generation EGFR TKI.

  • HARMONi-3: Phase 3 clinical study which is intended to evaluate ivonescimab combined with chemotherapy compared to pembrolizumab combined with chemotherapy in patients with first-line metastatic NSCLC.

  • HARMONi-7: Phase 3 clinical study which is intended to evaluate ivonescimab monotherapy compared to pembrolizumab monotherapy in patients with first-line metastatic NSCLC.

Colorectal Cancer (CRC)

  • HARMONi-GI3: Phase 3 clinical study intended to evaluate ivonescimab in combination with chemotherapy compared with bevacizumab plus chemotherapy.

Ivonescimab is an investigational therapy not presently approved by any regulatory authority other than Chinas National Medical Products Administration (NMPA). Summit is headquartered in Miami Florida and has additional offices in California New Jersey the UK and Ireland.

This role will support North Texas & New Mexico!

Overview of Role:

The Regional Medical Science Director (also referred to as MSL) is a field based scientific expert that strategically supports the scientific and business objectives of cancer therapeutic areas across the product life cycle. MSLs are the primary communicators of Summit Therapeutics science within a specific geography with healthcare professionals. MSLs are the field scientific experts on Immuno-Oncology and treatment options within this therapeutic area. They combine strong business acumen clinical expertise market awareness and serve as a conduit of information to a cross functional customer base internally within Summit Therapeutics. Based on therapeutic needs and product life cycles teams may focus on certain responsibilities including clinical development and pipeline support.

Role and Responsibilities:

  • Develop execute and maintain high impact territory plans including HCP and Investigator engagement plans in alignment with therapeutic area medical and scientific objectives with a focus on quality.
  • Support clinical development and research initiatives across development at the request of R&D to include but not limited to site evaluation and identification recruitment investigator meetings external expert identification and involving experts to generate scientific data including investigator-sponsored trials.
  • Identify gain access to and develop professional customer centric based relationships with external experts in Immuno-Oncology within assigned geography.
  • Provide education relative to disease state therapeutic landscape and Summit Therapeutics products across the product lifecycle to healthcare providers and researchers.
  • Participate monitor and provide insights to Summit from relevant scientific meetings in relevant geography.
  • Continuously maintain self-education on market issues/trends product knowledge and new therapeutic areas of interest as it pertains to specific business responsibilities including creating awareness and relationships for Summit Therapeutics in the Medical community.
  • Actively participate in relevant team meetings organizational activities and Country-driven medical affairs activities (e.g. advisory boards Masterclasses Round-tables)
  • Create maintain and collaborate in relationships with Cross-Functional partnerships as appropriate to develop and execute Account plans designed to support and meet shared scientific or business objectives.
  • All other duties as assigned

Experience Education and Specialized Knowledge and Skills:

  • Doctoral degree in the health sciences from an accredited university required (MD PhD PharmD or equivalent). Significant clinical and/or industry experience in oncology and cancer therapeutic area may be accepted in lieu of education requirements.
  • A minimum of 5 years of solid tumor cancer experience
  • Greater than or equal to 5 years of clinical scientific/research or industry related experience or equivalent preferred.
  • A minimum of 2 years as a Medical Science Liaison required.
  • Previous pharmaceutical industry experience within relevant scientific discipline preferred.
  • The MSL must possess and be able to demonstrate past achievements in:
    • Understanding analyzing and communicating complicated scientific concepts and data.
    • Building credible relationships with prominent HCPs.
    • Ability to independently identify and translate corporate needs into an action plan that will achieve objectives.
    • Self-motivation to achieve and exceed goals.
    • Problem solving and analytic skills.
    • Critical thinking.
    • Ability to work independently.
  • An essential requirement of the position is to meet health care industry representative (HCIR) credentialing requirements to gain entry into facilities and organizations that in your assigned territory. These HCIR credentialing requirements may include but are not limited to background checks drug screens and proof of immunization/vaccination for various diseases.
  • Other requirements:
    • Must be willing to travel up to 75% of the time.
    • Proficient user of standard MS Office suite (e.g. Word Excel) experience using electronic document management systems and document review tools desirable
    • Strong computer and database skills
    • Attention to detail accuracy and confidentiality.
    • Clear and concise oral and written communication skills
    • Excellent organizational skills
    • Must be able to effectively multi-task and manage time-sensitive and highly confidential documents.
    • Prioritize conflicting demands.
    • Work in a fast-paced demanding and collaborative environment

This is the pay for this position

Pay Transparency

$200000 - $235000 USD

Actual compensation packages are based on several factors that are unique to each candidate including but not limited to skill set depth of experience certifications and specific work location. This may be different in other locations due to differences in the cost of labor. The total compensation package for this position may also include bonus stock benefits and/or other applicable variable compensation.

Summit does not accept referrals from employment businesses and/or employment agencies in respect of the vacancies posted on this site. All employment businesses/agencies are required to contact Summits Talent Acquisition team atto obtain prior written authorization before referring any candidates to Summit.

Summit Therapeutics an Equal Opportunity Employer and takes pride in creating and maintaining diverse environment. We do not discriminate in recruitment hiring training or promotion or any other employment practices for reasons of race color religion gender national origin age sexual orientation marital or veteran status disability or any other legally protected status.


Required Experience:

Senior IC