NIH Internship 2027–2028: Programs, Deadlines & How to Apply

Last updated: September 2026

The National Institutes of Health has funded research behind every major medical breakthrough of the last century, from the polio vaccine to mRNA COVID-19 vaccines. With a budget of approximately $48 billion, NIH is the largest biomedical research agency in the world, employing over 18,000 scientists, physicians, and support staff across 27 Institutes and Centers on campuses in Bethesda, Maryland and beyond. The NIH Intramural Research Program (IRP) is the largest biomedical research institution on Earth, with over 1,100 Principal Investigators. The Summer Internship Program (SIP) historically places 1,600 to 2,000 summer interns annually, making it one of the largest and most competitive research internship programs in the United States. SIP 2027 application opens mid-November 2026 and closes mid-February 2027. NIH training alumni include numerous Nobel laureates, NIH directors, and leaders across academia, industry, and government.

Quick Facts

SIP 2027 application opens mid-November 2026 and closes mid-February 2027. This is one of the most competitive research internships in the country. Start researching PIs and preparing application materials NOW. The 2025 program was canceled due to federal disruptions but was restored for 2026 and is confirmed for 2027.

Externships are short, remote professional experience programs where you finish a real project with a real company. The Pfizer Advanced AI-Powered Document Intelligence Externship builds the biomedical research and analytical skills an NIH application needs. Explore all Externships.

What Is a NIH Internship?

An NIH Summer Internship Program (SIP) placement is a full-time biomedical research experience working directly in an Intramural Research Program laboratory under the mentorship of one of NIH's 1,100+ Principal Investigators. SIP interns conduct original research, attend seminars, present at poster sessions, and gain exposure to the full spectrum of biomedical science. The program places 1,600 to 2,000 interns annually across NIH's 27 Institutes and Centers, covering everything from cancer biology (NCI) to infectious disease (NIAID) to neuroscience (NINDS) to genomics (NHGRI). The SIP 2026 ran May 11 to August 31 after the 2025 program was canceled due to federal hiring freeze/DOGE disruptions. SIP 2027 is confirmed with applications opening mid-November 2026. NIH also offers the Postbac IRTA/CRTA (1-2 year full-time research for recent graduates), which accepts applications year-round.

When Do NIH Internship Applications Open for 2027–2028?

NIH's SIP operates on a fixed application window: mid-November to mid-February for the following summer. The 2025 program was canceled due to federal government disruptions but was fully restored for 2026 and is confirmed for 2027. The key differentiator in SIP applications is PI outreach: students who identify and contact potential mentors before applying have a significant advantage. The NIH Application Center allows you to rank lab preferences, and PIs often pre-select candidates they have already spoken with. Start researching PIs now, before the application opens.

How to read this page: our dates come from tracking previous recruiting cycles and daily posting data. Treat them as informed estimates based on historical patterns, not confirmed dates. The company's official careers page is always the most current source. If a role is posted there, go by that, even if this page suggests the window hasn't opened yet.

Why You Must Apply the Week Applications Open

NIH's SIP places 1,600 to 2,000 interns annually across 27 Institutes, but the application volume is enormous: tens of thousands of students apply for these positions. The key to getting selected is not just submitting the application; it is contacting PIs before the window opens. PIs who know your name and have read your research interests are far more likely to select you from the applicant pool. Start now: read recent publications from labs that match your interests, draft a concise email explaining why their work excites you, and ask if they anticipate taking a summer intern. This proactive outreach is the single most important differentiator in SIP applications.

Which NIH Internship Programs Should You Target?

NIH offers multiple training programs for students at different career stages:

NIH's 27 Institutes and Centers span every major area of biomedical research: cancer (NCI), infectious disease (NIAID), heart/lung/blood (NHLBI), neuroscience (NINDS), genomics (NHGRI), mental health (NIMH), and more. See the full listing at training.nih.gov.

What Are the Eligibility Requirements?

NIH SIP eligibility requirements from the official program page:

• Citizenship: US citizen or permanent resident. International students are NOT eligible for SIP.

• Age: 16 or older at the time of application. Most labs require 17+ for safety reasons.

• Enrollment: currently enrolled in high school, college, or graduate school. Must have completed at least one year of high school.

• Commitment: full-time availability for the summer period (no concurrent classes or other jobs).

Was the NIH Internship Really Canceled in 2025?

Yes. The SIP 2025 program was canceled due to federal hiring freeze and DOGE-related government disruptions. This was unprecedented and caused significant anxiety in the biomedical research community. The program was fully restored for SIP 2026 (ran May 11 to August 31) and is confirmed for SIP 2027 with applications opening mid-November 2026. The cancellation was a one-time disruption, not a trend.

What Skills Does NIH Look For, and How Do You Build Them?

NIH sits at the pinnacle of biomedical research, and its intern selection reflects the breadth of science conducted across 27 Institutes. The pattern is clear: intellectual curiosity and genuine research interest matter more than specific technical skills, because PIs select interns they can train in lab-specific techniques. That said, students with wet lab experience, data analysis skills, and the ability to read and discuss primary literature have a clear advantage. What does this tell you? NIH hires people who are genuinely curious about science and can learn quickly in a laboratory environment.

How Is Demand for Biomedical Research Internships Moving Right Now?

Build These Skills Before You Apply

And every skill in the chart maps to a remote Externship where you finish a real company project before the window opens.

How close is the overlap? The Pfizer project builds biomedical analytical skills in a regulatory context, the CIJY project trains research data visualization for poster presentations, and the HP Tech work develops the literature synthesis and strategic analysis skills PIs look for.

What Is the NIH Application and Interview Process Like?

NIH's SIP application process is centralized through the NIH Application Center, but PI outreach before applying is the key differentiator:

1. Research PIs NOW. Browse NIH IRP labs at irp.nih.gov. Read recent publications from PIs whose work excites you. Draft a concise email explaining your interest and asking if they anticipate taking a summer intern.

2. Apply online through the NIH Application Center when it opens mid-November 2026. Rank your preferred Institutes and labs. Reference any PI conversations in your application.

3. Submit supporting materials. Include your transcript, personal statement, and research experience description. Highlight any prior laboratory work, even if informal.

4. Wait for PI selection. PIs review applications and select interns for their labs on a rolling basis through March-April 2027. Some Institutes fill quickly; others continue selecting through spring.

5. Accept and prepare. Accepted interns receive stipend details, housing information (NIH does not provide housing but maintains a housing resource list), and orientation materials.

The most important step is PI outreach. Students who contact potential mentors before applying and can discuss specific aspects of their research have a dramatically higher success rate than those who submit a generic application. Our HireVue question guide with a free AI mock tool covers communication skills for professional outreach.

What Students on Reddit Say

NIH's SIP generates active discussion in r/NIH, r/premed, and r/labrats, with threads covering the 2025 cancellation, PI outreach strategies, and the SIP 2026 restoration.

How Do You Stand Out in a Pool of 10,000+ Applicants?

Three moves, all executable before mid-November 2026. First, contact PIs directly. This is the single most important differentiator. Browse NIH IRP labs, read 2-3 recent papers from a PI whose work excites you, and send a concise email explaining your interest and relevant experience. PIs who know your name pre-select candidates from the applicant pool. Second, be specific about your research interests. Generic statements like "I am interested in biomedical research" signal no genuine engagement. Instead, reference specific NIH Institutes, disease areas, or techniques that match your coursework and experience. Third, highlight any prior research experience, even informal. Summer research at your university, independent study projects, or even clinical shadowing demonstrates that you understand the research environment. If you have no prior lab experience, an Externship in data analysis or document intelligence provides project-based evidence of analytical skill.

What Other Companies Should You Consider?

NIH's SIP competes for biomedical research talent with other major research institutions and programs:

Our biotech internships summer 2027 guide maps the full landscape of research and life sciences opportunities.

FAQ

When does the NIH SIP 2027 application open?

The SIP 2027 application opens mid-November 2026 and closes mid-February 2027 per the official NIH OITE page. This is a fixed window with a hard deadline. Begin preparing now by researching PIs and drafting your application materials before the portal opens.

Was NIH's internship really canceled in 2025?

Yes. The SIP 2025 was canceled due to federal hiring freeze and DOGE-related government disruptions. This was unprecedented. The program was fully restored for SIP 2026, which ran May 11 to August 31 with interns successfully placed across multiple Institutes. SIP 2027 is confirmed.

How many interns does NIH accept each summer?

The SIP historically places 1,600 to 2,000 summer interns annually across NIH's 27 Institutes and Centers. This makes it one of the largest research internship programs in the United States. Competition is intense, with tens of thousands of applications for these positions.

Do NIH interns get paid?

NIH interns receive a stipend, not a salary. The amount varies by education level and Institute. Undergraduate SIP interns typically receive approximately $2,600 to $3,500 per month. Postbac IRTA positions pay approximately $37,000 to $41,000 per year. NIH does not provide housing but maintains a housing resource list.

Can international students apply for NIH SIP?

No. The SIP requires US citizenship or permanent residency. International students are not eligible for the Summer Internship Program. Some NIH Institutes may have separate visiting fellow programs for international trainees, but these are not part of SIP.

Should I contact PIs before applying?

Yes, absolutely. Contacting PIs before applying is the single most important differentiator in SIP applications. Browse NIH IRP labs, read recent publications from potential mentors, and send a concise email explaining your research interest and relevant experience. PIs often pre-select candidates they have already spoken with.

What is the NIH Postbac IRTA program?

The Postbac Intramural Research Training Award is a 1 to 2 year full-time research position for recent college graduates. It is ideal as a gap year before graduate or medical school. Applications are accepted year-round, and the stipend is approximately $37,000 to $41,000 per year. Apply at least 6 months before your preferred start date.

Where is the NIH internship located?

The main campus is in Bethesda, Maryland, a suburb of Washington DC. Additional NIH campuses include Frederick, Maryland (NCI-Frederick), Research Triangle Park, North Carolina (NIEHS), and Hamilton, Montana (RML/NIAID). Most SIP interns are placed at the Bethesda campus.

NIH's SIP puts you inside the world's largest biomedical research agency, working directly with PIs who are advancing medicine. Start your PI outreach now and build proof: a remote Externship turns interest in research into a finished project a November 2026 application can reference.