Johnson & Johnson Posted September 8, 2026

Hematology Medical Science Liaison - Costa Rica

San José, Costa Rica Full time
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Johnson & Johnson is the source of truth for this posting and owns the application process. We surface normalized context and market comparison you won't find on the original listing.

About this opportunity

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com .

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Medical Affairs Group

Job Sub Function:

Medical Science Liaison

Job Category:

Scientific/Technology

All Job Posting Locations:

San José, San Jose, Costa Rica

Job Description:

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity.

Learn more at https: //www.jnj.com/.

We are looking for the best talent for the Medical Scientific Liaison, to be based in San Jose, Costa Rica.

The MSL Mission is to, through customized interactions, discuss our treatments with physicians and other customers to shape behaviors and support informed decision making whilst identifying and bringing medical insights into the organization as inputs to medical strategy.

The main activities are:

Build relationships with community and academic HCPs focusing on changing medical behavior through the exchange of scientific knowledge

Convey the value of the attributes related to the innovation (ie, efficacy, safety, effectiveness, adherence, QoL) to gain attribute endorsement with stakeholders

Shaping medical practice by changing behaviors within the HCP Community during product pre launching phases - prepare the health care environment and medical community, accelerate adoption (PIs engagement and pre-approval access programs)

Follow up on education, adoption of new knowledge, identifying barriers for medical practice change for innovative products

Respond to scientific inquiries of HCPs/investigators/health care systems and population health decision makers

Integrates scientific data into real life practice to meet customer/audience needs

Identify potential sites and support sites recruitment when needed in alignment with the TA Head/Senior medical manager

Execute Medical Field Educational Events focused on pipeline close to launch and key in line products

Gather insights from Field interactions regarding scientific knowledge, treatments paradigms, Competitors, medical needs and opportunities

Draw and execute the territory and KOL engagement plan according to the strategy and validated by the other MAF stakeholders

Minimum Qualification

Health Sciences degree (MD or PharmD) with the ability to understand and discuss scientific and clinical data.

Strong scientific acumen and learning agility, including the ability to interpret clinical evidence, understand treatment paradigms, and communicate scientific information to healthcare professionals.

+2 years of relevant professional experience in healthcare, academia, clinical practice, clinical research, pharmaceutical industry, or related scientific roles.

Excellent communication and relationship-building skills, with the potential to develop peer-to-peer scientific engagement with HCPs and other stakeholders.

Proficiency in English and digital tools, with demonstrated ability and willingness to leverage technology, virtual engagement channels, and data-driven approaches in daily work.

Ability to work as a Medical Representative/MSL in Costa Rica(country requirements).

Drivers License.

Required Skills:

Preferred Skills:

Analytical Reasoning, Analytics Dashboards, Clinical Experience, Coaching, Communication, Competitive Landscape Analysis, Cross-Functional Collaboration, Data Gathering and Analysis, Detail-Oriented, Digital Culture, Digital Literacy, Interpersonal Influence, Market Research, Medical Affairs, Medical Communications, Medical Compliance, Problem Solving, Scientific Research, Stakeholder Engagement, Strategic Thinking, Technical Credibility, Technologically Savvy

Job details

Seniority
Not listed
Function
Medical Affairs
Therapeutic area
Not listed
Location
San José, Costa Rica
Employment type
Full time

How this role compares

Computed from every other active Medical Affairs role in our database, not just this employer's listings.

We currently track 1126 comparable Medical Affairs roles across 161 biopharma companies.

1126Comparable roles tracked
1072Currently active
161Companies hiring similar roles
56Countries represented

Salary context

301 of 1126 peers report a salary range (USD, annualized)

Peers share this role's job function. This posting doesn't list a seniority level, so peers aren't narrowed by seniority either -- the range below may span more levels than usual.

This roleSubject Not listed on this posting
Highest disclosed · Sr Medical Director (Heme Oncology) (Boston, US) · Servier $298/hr – $350/hr (≈ $619,840–$728,000/yr)
Peer group range $0 – $673,920 (median $223,450)

Where these roles are based

Top locations among the 1126 comparable roles

United States534
Japan70
China55
China's Mainland50
Germany49
United Kingdom46

+ 50 more countries

Seniority mix

695 of 1126 peers have a known seniority level

Director203
Senior171
Manager125
Associate Director68
Associate56
Executive/VP26
Intern/Fellow/Postdoc21
Senior Director19
Principal6

Therapeutic area mix

390 of 1126 peers have a known therapeutic area; the rest are genuinely unlabeled, not hidden

Oncology156
Neuroscience46
Rare Disease37
Immunology34
Cardiovascular / CVRM32
Dermatology & Aesthetics31
Vaccines & Infectious Disease21
Respiratory20
Gastroenterology9
Ophthalmology4

Similar opportunities

The closest matches from our peer group, ranked by how similar they are, not how well you'd qualify for them -- treat this as market context, not a guaranteed shortlist; a weak match is labeled as one below.

25%similar
Roche Basel, Basel-City, Switzerland Director
Same function

Matched on job function only -- seniority, specialty, and location weren't confirmed as aligned.

25%similar
Roche Shanghai, Shanghai, China's Mainland Director
Same function

Matched on job function only -- seniority, specialty, and location weren't confirmed as aligned.

25%similar
Roche Shanghai, Shanghai, China's Mainland Director
Same function

Matched on job function only -- seniority, specialty, and location weren't confirmed as aligned.

25%similar
Roche Welwyn, Hertfordshire, United Kingdom Director
Same function

Matched on job function only -- seniority, specialty, and location weren't confirmed as aligned.

25%similar
Roche Shanghai, Shanghai, China's Mainland Director
Same function

Matched on job function only -- seniority, specialty, and location weren't confirmed as aligned.

25%similar
Roche Shanghai, Shanghai, China's Mainland Director
Same function

Matched on job function only -- seniority, specialty, and location weren't confirmed as aligned.

Notify me about similar jobs

Get an email when we spot other openings like this one – same job function, comparable seniority, roles you'd actually want to see.

How we calculate "similar"

No black box, no LLM guesswork: a deterministic score built from four normalized attributes. Here's this role's own peer group at different match levels, so you can see the mechanism, not just the result.

Every comparison starts from the same 100-point budget: 25 for working in the same function, 40 for the same therapeutic area, 20 for the same or adjacent seniority, 15 for the same country. A dimension we can't confirm on both sides contributes nothing, never a guess, never a free pass.

25%
Medical Director, Multiple Sclerosis
Roche · Basel, Basel-City, Switzerland · Director
Function Therapeutic area Seniority Country
25%
Senior Medical Director and Lead Ophthalmology Precision Medicinerector (MD)
Roche · Welwyn, Hertfordshire, United Kingdom · Director
Function Therapeutic area Seniority Country
25%
Early Development Lead Medical Director, Non-oncology
Roche · Shanghai, Shanghai, China's Mainland · Director
Function Therapeutic area Seniority Country
25%
Associate Medical Director (Physician Development Program - Hematology)
AbbVie · North Chicago, IL · Director
Function Therapeutic area Seniority Country
Unmatched or unknown dimensions score exactly the same: 0 points, never a partial guess. A role we know almost nothing about beyond its function bottoms out at 25%; it never inflates to 100% just because there's little to compare against. Seniority uses a defined ladder (Associate → Manager → Associate Director → Senior → Principal → Director → Senior Director → Executive/VP) so "Director" and "Senior Director" count as adjacent, but "Director" and "Executive/VP" do not.