Biology internships range from lab research at universities to field work with wildlife agencies to industry positions at biotech companies. Start seeking research experience by sophomore year. For graduate school applications, research internships are essential. For industry careers, biotech and pharmaceutical company internships provide the strongest launching pad.
Kenji opened the graduate school requirements page and read the same sentence three times: "Applicants should have significant research experience." He's a junior biology major with a 3.6 GPA, but his research experience amounts to two weeks of shadowing a postdoc who mostly had him wash glassware. Meanwhile, his classmate has been working in a genetics lab since freshman year and already has her name on a paper.
This is the anxiety underneath biology internships: research experience isn't just helpful, it's the gatekeeping credential for graduate school, medical school, and competitive industry positions. But nobody explains how to get it when every lab seems to want students who already have experience.
If you're evaluating whether a biology degree is worth it, the internship and research landscape is where the degree's real value either materializes or stalls. Our biology careers guide covers where graduates end up working.
When to Start Looking for Biology Internships
Biology rewards early starters more than almost any other major.
Freshman year: Approach professors whose research interests you. Read their recent publications before meeting them. Many faculty members take on freshman volunteers for basic lab tasks — making solutions, maintaining cell cultures, organizing samples. This isn't glamorous work, but it gets you in the door and builds relationships with potential mentors.
Sophomore year: Apply for structured research programs. NSF-funded Research Experiences for Undergraduates (REU) programs accept students starting in their sophomore year, and many prioritize early-career applicants. Also deepen your lab involvement — move from washing dishes to running your own experiments under supervision.
Junior year: This is the critical year for competitive internships. Apply to REU programs by their deadlines (typically January through March). Also apply to pharmaceutical companies, biotech firms, and government agencies like the NIH, CDC, and EPA for summer positions. If you're pre-med, look into clinical research internships at teaching hospitals.
Senior year: Focus on capstone research or honors thesis projects if your school offers them. These function as extended internships and produce tangible outcomes — a thesis, a poster presentation, or a publication — that strengthen your graduate school or job applications.
Where to Find Biology Internships
Biology internships exist across a wider range of settings than most students explore.
University research labs (your own campus): The most accessible starting point. Email professors directly with a brief message explaining which aspects of their research interest you and what skills you bring. Attach your resume and mention any relevant coursework. Expect to volunteer before getting paid, but many labs offer stipends or hourly pay after you've proven yourself.
NSF REU programs: The National Science Foundation funds Research Experiences for Undergraduates at universities across the country. These are competitive ten-week summer programs that pay a stipend (typically $5,000 to $7,000) plus housing and travel. The NSF REU site database (nsf.gov/crssprgm/reu) lists all active programs searchable by field and location.
Biotech and pharmaceutical companies: Genentech, Amgen, Pfizer, Merck, Regeneron, Gilead, and dozens of mid-size biotech firms run structured summer internship programs. These pay well (often $20 to $35 per hour), provide industry exposure, and can lead to full-time positions after graduation. Most application deadlines fall between October and February.
Government agencies: The NIH Summer Internship Program in Biomedical Research (SIP) places students in research labs across the NIH campus in Bethesda, Maryland. The EPA, USDA, CDC, and state environmental agencies also hire biology interns for research and regulatory work.
For NIH summer internships, apply early. The application opens in November and reviews begin almost immediately. Positions fill on a rolling basis, so applying in November gives you a significantly better chance than applying in February, even though the official deadline extends further. Research the specific labs and principal investigators at NIH before applying, and mention them in your personal statement.
Wildlife and conservation organizations: The U.S. Fish and Wildlife Service, National Park Service, state DNR offices, The Nature Conservancy, and Wildlife Conservation Society hire field biology interns for wildlife surveys, habitat restoration, species monitoring, and environmental education. These are ideal for ecology and conservation-focused students.
Hospitals and clinical research organizations: Clinical research coordinator internships at teaching hospitals give you exposure to clinical trials, patient enrollment, and regulatory compliance. These are particularly valuable if you're considering an MD-PhD, public health career, or pharmaceutical industry position.
Where to search: NSF REU database, Handshake, each company's careers page, USAJobs.gov, the Student Conservation Association (thesca.org), Texas A&M Wildlife Job Board (wfscjobs.tamu.edu), and your professors' direct recommendations.
Paid vs Unpaid: The Reality
Biology has a better paid-internship landscape than many assume, though volunteer lab work at your own university is the common unpaid entry point.
REU programs are always paid and include stipends, housing, and travel support. This is by NSF design. Biotech and pharma company internships are well-paid, often ranging from $20 to $35 per hour for undergraduates. Government internships through the Pathways Program and NIH are paid at government scale.
The main area where biology students work for free is in their own campus research labs during the academic year. This "volunteer research" is a standard part of biology education, and it's how most students build their initial experience. The expectation is that you'll eventually receive academic credit, a paid position, or at minimum a strong recommendation letter and authorship on publications.
If a professor asks you to volunteer in their lab for more than one semester without any compensation (paid position, academic credit, or meaningful authorship credit), reconsider the arrangement. Good mentors invest in their students. A lab that treats undergrads as free labor indefinitely is not providing the mentorship you need.
Field biology internships with conservation organizations sometimes offer only a stipend plus housing rather than a competitive hourly rate. Consider these carefully — the field experience is genuinely valuable, but if you're giving up a summer of paid work, make sure the experience is advancing your career goals specifically.
What Employers Actually Want From Biology Interns
Lab skills that demonstrate independence. Can you follow a protocol accurately? Can you pipette consistently? Can you maintain a sterile technique? Can you troubleshoot when an experiment doesn't work as expected? Employers want evidence that you can work in a lab without constant supervision.
Data analysis beyond Excel. Basic statistical analysis, experience with R or Python, familiarity with bioinformatics tools — these technical skills separate competitive candidates from average applicants. The wet lab skills get you in the door; the computational skills determine how far you go.
Scientific communication. Can you read a paper and explain the findings to a non-specialist? Can you present your research clearly at a poster session? Can you write a methods section that someone else could reproduce? These skills matter in both academic and industry settings.
According to NACE, students who complete internships receive significantly more job offers than those who don't1. For biology specifically, research experience is the single most important factor in graduate school admissions, often outweighing GPA differences of several tenths of a point.
Curiosity and initiative. The best research interns don't just follow instructions. They read the background literature. They ask why a particular method was chosen. They suggest alternative approaches. This intellectual engagement is what transforms a lab volunteer into a future researcher or scientist.
How to Stand Out in Your Application
Read the PI's recent papers before emailing. When contacting a professor about research opportunities, demonstrate that you've read their work. Mention a specific finding or question. "I read your 2024 paper on CRISPR-mediated gene silencing in zebrafish and was curious about your current direction" signals genuine interest rather than mass emailing.
Take quantitative courses. Biostatistics, bioinformatics, or a programming course gives you skills that most biology undergraduates lack. In an REU application pool, a student with R programming experience stands out significantly.
Present your work. If you've done any research, present it at your school's undergraduate research symposium, or even just at a departmental seminar. Poster presentations and talks demonstrate that you can communicate science, which is critical for both academic and industry careers.
Get CPR and lab safety certifications. For clinical research or hospital-based internships, having these certifications before you apply removes a logistical barrier and shows preparedness.
When applying to REU programs, your personal statement matters enormously. Be specific about what questions interest you and why. Mention the specific faculty members at the REU site whose work aligns with your interests. Review committees can tell the difference between a student who researched the program and one who copied the same generic statement across twenty applications.
What Nobody Tells You About Biology Internships
The professor you email first matters more than the lab's prestige. A supportive mentor in a modestly funded lab will teach you more than a famous PI who delegates all undergrad supervision to overwhelmed graduate students. Ask current undergrads in the lab about the mentorship environment before committing.
REU programs are more accessible than you think. NSF funds REU programs specifically to broaden participation in research. Students from schools without extensive research facilities, first-generation college students, and students from underrepresented groups are actively recruited. If you attend a teaching-focused institution without big research labs, REU programs are your best pathway to competitive research experience.
Industry internships teach you things academic labs don't. Biotech and pharma internships expose you to GLP (Good Laboratory Practices), regulatory documentation, scale-up manufacturing, and project management — none of which you learn in a university lab. If you're considering an industry career rather than academia, one industry internship is worth more than three additional semesters of academic lab work.
Your lab notebook is your portfolio. Keep meticulous records of everything you do in the lab. Dates, protocols, results, troubleshooting notes. A well-maintained lab notebook demonstrates scientific rigor and becomes a reference you can discuss in graduate school interviews or job applications for years afterward.
Summer field internships have physical demands nobody warns you about. Wildlife survey work means twelve-hour days in extreme heat or cold, hiking through rough terrain, camping in remote locations, and dealing with insects, snakes, and weather. If you're considering field ecology, do a field internship early to confirm you enjoy the physical reality of the work, not just the idea of it.
FAQ
How do I get research experience as a biology major with no experience?
Start by emailing professors at your own university. Read their recent publications, write a brief email expressing interest in their research, and offer to volunteer. Most PIs expect new students to learn on the job. You don't need prior lab experience to start — you need curiosity and willingness to learn basic techniques.
Are REU programs competitive?
Yes, but less prohibitively so than students assume. Acceptance rates vary by program, from about 10% to 30%. Applying to five to eight programs gives you strong odds of at least one acceptance. Programs specifically seek students from schools without extensive research facilities, so attending a large research university is not an advantage for REU applications.
Do biology internships lead to jobs?
Biotech and pharmaceutical company internships frequently convert to full-time positions. NACE reports that overall intern-to-hire conversion rates exceed 60% at many employers1. Academic lab experience leads to graduate school rather than direct employment but is essential for that pathway. Conservation internships often lead to seasonal positions that build toward permanent roles.
What biology internships pay the best?
Pharmaceutical and biotech company internships typically pay $20 to $35 per hour. The NIH Summer Internship Program provides stipends that vary by education level. REU programs provide $5,000 to $7,000 stipends for ten weeks plus housing. Clinical research positions at hospitals vary but are generally paid.
Should I do research or a corporate internship?
If you're headed to graduate school or medical school, research experience is essential and should be your priority. If you're planning to enter the workforce directly after your bachelor's degree, a corporate internship at a biotech or pharmaceutical company provides industry connections and practical skills that academic research doesn't. Ideally, do both at different points during your undergraduate career.
- Biology Degree Guide — Overview
- Is It Worth It?
- Career Paths
- Salary Data
- Requirements
- How Hard Is It?
- Best Colleges
Footnotes
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National Association of Colleges and Employers. (2024). Internship & Co-op Report. NACE. https://www.naceweb.org/talent-acquisition/internships/ ↩ ↩2
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U.S. Bureau of Labor Statistics. (2024). Occupational Outlook Handbook: Biological Technicians. BLS. https://www.bls.gov/ooh/life-physical-and-social-science/biological-technicians.htm ↩
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U.S. Bureau of Labor Statistics. (2024). Occupational Outlook Handbook: Biological Scientists. BLS. https://www.bls.gov/ooh/life-physical-and-social-science/zoologists-and-wildlife-biologists.htm ↩