Last updated: October 2026
Bayer's US student board listed 53 internships and co-ops on October 3, 2026, down from 71 on September 28. About 20 roles came down in five days, so this cycle is already moving. This guide covers Bayer's US programs only (the same board also lists roles in Germany, Poland and India). In plain words: you apply during 2026, you intern in summer 2027. The co-op door is even closer: Bayer's spring 2027 co-op cohort starts January 11, 2027.
Bayer's US Students and New Graduates page says applications open in mid-August and "the majority of offers" go out by the end of December. Most students picture the New Jersey pharma headquarters, but the biggest block of roles sits in Crop Science (24 of 53), with 13 at the Chesterfield, Missouri research campus outside St. Louis.
Quick Facts
| Fact | Detail |
|---|---|
| Where to apply | Bayer student roles search (filter: job type = student, country = United States), linked from the US Students and New Graduates page |
| Application window (2027–28) | Open now (53 US roles on Oct 3, 2026): summer 2027 internships, spring 2027 co-ops (start Jan 11, 2027) and fall 2027 co-ops (start May 17 or Jun 14, 2027). Majority of offers by end of Dec 2026; stragglers to mid-Mar 2027. Expected: summer 2028 applications from mid-Aug 2027 |
| Rolling? | Yes. Roles come down as they fill (about 20 of 71 in the five days to Oct 3). "Available until at least March 19, 2027" on most postings is a minimum, not a deadline |
| Eligibility | Full-time students at an accredited college, 18+, BA/BS through MS, MBA and PhD; 3.0 GPA on 9 engineering and regulatory co-ops, 3.3 on two sales analyst roles; some ask for a completed sophomore year |
| Duration | Summer internships 12 to 15 weeks (May/June to August 2027); co-ops are a full-time semester: Jan 11 to Jun 11, 2027 or May/June to Dec 10, 2027 |
| Compensation | Posted ranges from $20.75 to $58.50 (unit not written; the figures read as hourly). Most Crop Science R&D and seed roles post $22.75 to $47.75 |
| Return offers | New-graduate "job starter" roles are the next step; conversion rate not published |
| Locations | Chesterfield and Creve Coeur, MO; Whippany and Morristown, NJ; Indianola, Pittsburgh and Myerstown, PA; Berkeley, Woodland and Oxnard, CA; Luling, LA; Muscatine, IA; Waco, NE; Rogers, AR; Cambridge, MA; 2 residence-based |
| # Programs | 4 divisions: Crop Science 24, Consumer Health 14, Pharmaceuticals 10, Enabling Functions 5 (19 internships, 34 co-ops) |
Read the window row by cohort: summer internships and both 2027 co-op cohorts are open now, and Bayer aims to make most offers by the end of December.
Externships are short, remote programs where you finish a real project for a real company, usually in about 8 weeks at 5 to 10 hours a week. The Arceh Children's Environmental Health Analytics Externship builds the data analysis that Bayer's genomics and phenotyping co-ops ask for, and the Amazon Fulfillment Center Operational Strategy & People Analytics Externship fits the supply chain and manufacturing roles. Explore all Externships.
What Is a Bayer Internship?
A Bayer internship is a paid, 12 to 15 week summer placement (May or June to August) in one of Bayer's US divisions, and a Bayer co-op is a full-time semester on the same teams. Bayer runs three cohorts a year: spring co-ops, fall co-ops and summer internships, and every posting names the one it feeds. Bayer U.S. is headquartered in Whippany, New Jersey, but the student roles spread across Crop Science research, seed and plant sites, Consumer Health labs and plants, and the Pharmaceuticals radiology engineering center in Indianola, Pennsylvania. Interns get a primary mentor, real project work and an end-of-program presentation, according to Bayer's internship experience article. One Bayer detail to know before you apply: the company's mission line, "Health for all, Hunger for none," maps straight onto its divisions, and recruiters expect you to say which one you want.
When Do Bayer Internship Applications Open for 2027–2028?
Bayer's students page describes a cycle that "typically runs August-December": applications go up in mid-August and most offers are made by the end of December. Its internship experience article adds that offers can run to mid-March. The US roles live today were created between July 21 and September 29, 2026, and the board shrank from 71 to 53 roles between September 28 and October 3. For summer 2027 the practical deadline is November to December 2026, not the March date printed on the postings. Applications for summer 2028 are expected to open in mid-August 2027.
Applications are open right now for summer 2027 internships and for the spring and fall 2027 co-ops: 53 US roles on October 3. About 20 roles came down in the five days before that, including a Statistician Intern that was live on September 28. Apply to the roles you want this week.
Interviews for summer 2027 and both co-op cohorts. Bayer says the process may include phone screens, one-on-one and panel interviews, and a skills test. Keep checking the board: new roles were still being created in late September.
Bayer's stated target: the majority of offers for summer 2027 internships and 2027 co-ops are extended by the end of December 2026. Roles keep closing as they fill, so an application in October beats one in December.
Spring 2027 co-ops start January 11, 2027. Remaining summer 2027 offers are expected through mid-March 2027, and most postings stay up until at least March 19, 2027, but by then most seats are taken.
Summer internships run 12 to 15 weeks from May or June to August 2027, and fall co-ops start May 17 or June 14 and run to December 10, 2027. Strong interns move toward Bayer's new-graduate job starter roles; no conversion rate is published.
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
Bayer's evidence points to rolling closure, not a single cutoff. The board lost about 20 of 71 US student roles between September 28 and October 3, 2026, and the Statistician Intern used as a live check on September 28 had dropped out of the search index five days later. Bayer also says the majority of offers go out by the end of December, so a role that's open in October may be filled by November. The "available until at least March 19, 2027" line on most postings is a promise about how long the ad can stay up, not an application deadline. Treat any role you want as closing the week after you see it.
Which Bayer Internship Programs Should You Target?
Bayer posts each internship and co-op by division and site, so pick a division first and then a location. These were the live tracks on October 3, 2026.
| Track | Focus | Duration | Key skills |
|---|---|---|---|
| Crop Science R&D co-ops (Chesterfield, MO) | Gene expression, computational biology, single-cell and spatial genomics, precision genomics data science, fungal discovery, plant health | Spring or fall 2027 co-op | Molecular biology, Python or R, data analysis |
| Crop Science field and seed (Waco, NE; Woodland and Oxnard, CA; residence-based sales) | Row crop production, field testing, vegetable seed, tomato projects, Crop Science Sales Intern | Summer 2027 (about 3 months) | Field work, agronomy, valid driver's license |
| Engineering co-ops and interns (Luling, LA; Muscatine, IA; Chesterfield, MO; Indianola, PA) | Chemical, mechanical, electrical, materials and systems engineering; device R&D; radiology software | Co-op semester or summer | Engineering degree, 3.0 GPA on several, safety |
| Consumer Health (Whippany and Morristown, NJ; Myerstown, PA; Rogers, AR) | Sales analyst, supply chain, packaging, analytical and formulation development, lab automation, manufacturing | Summer intern or co-op | Excel, analytics, lab methods |
| Pharmaceuticals (Indianola and Pittsburgh, PA; Berkeley, CA; residence-based) | Radiology devices and software, data science, product supply operations, regulatory data, biotech sustainability | Mostly 2027 co-ops | Engineering, software, data |
| Enabling Functions and Leaps by Bayer (Creve Coeur, MO; Whippany, NJ; Cambridge, MA) | HR transformation and AI, communications, IT, venture investing (Leaps summer associate) | Summer or co-op | Communication, AI tools, IT |
Search all US student roles on the Bayer student roles search and read the cohort dates on each posting before you apply.
What Are the Eligibility Requirements?
Bayer sets a short company-wide floor and leaves the rest to each posting:
• Enrollment: students in a full-time degree program at an accredited college or university who are at least 18, per Bayer's students page. Undergraduate (BA, BS) and graduate (MS, MBA, PhD) students are eligible.
• GPA: 9 of 53 live postings name a 3.0 (mostly engineering and regulatory co-ops, some as a preference), and the two Whippany sales analyst roles ask for 3.3. Most others state no GPA.
• Class standing: 9 postings, mostly engineering co-ops, ask for a completed sophomore year.
• Work authorization: the two Whippany sales analyst roles require eligibility to work in the US now and in the future; most other postings carry no sponsorship statement, so ask your recruiter.
• Role extras: field and sales roles ask for a valid driver's license and daily driving, and the Crop Science Sales Intern relocates to a territory for the summer.
Is the GPA a Hard Cutoff?
Only where the posting says "minimum." Some engineering co-ops list 3.0 as required, while others put it under preferred qualifications, and most Crop Science research and Consumer Health roles name no GPA at all. Read each posting: if it states no floor, lab hours, field experience or a relevant project carry the weight.
What Skills Does Bayer Look For, and How Do You Build Them?
Across the 53 live US postings, Bayer asks for the same core first: clear communication, teamwork and the ability to work on your own. Three buckets sit on top of that. Research and data: 39 postings ask for data analysis or statistics, and the Chesterfield genomics co-ops add Python or R. Hands-on science and engineering: 32 mention lab, greenhouse or field work, and 21 name an engineering discipline. Operations and safety: 20 cite safety or quality compliance, which matters at the Luling, Muscatine and Myerstown plants.
What Bayer looks for in interns
Skills across 53 Bayer intern & analyst job descriptions · live US postings, October 3, 2026
Method: keyword analysis of the full text of all 53 Bayer US internship and co-op postings live on October 3, 2026 (Eightfold board, student facet), with pay and benefits boilerplate removed. Crop Science supplies 24 of the 53, so field and lab skills weigh heavily.
How Is Demand for Research and Science Interns Moving Right Now?
Research intern postings · Sep vs Aug 2026
vs 1,651 in August
Science internships posted in one big September wave. If you want a Bayer research or engineering role for 2027, apply in October while most of these boards are still open.
Daily US job-posting counts, Sep 1–30 vs Aug 1–31, 2026. Covers under half of US postings; shows direction, not market size.
Build These Skills Before You Apply
Each skill in the chart maps to a remote Externship where you finish a real project before your Bayer interviews.
| Skill (from real JDs) | JD evidence | Externship that builds it |
|---|---|---|
| Data analysis & statistics | 39 of 53 postings; genomics co-ops ask for Python or R and statistical methods | Arceh Children's Environmental Health Analytics |
| Supply chain and manufacturing operations | Consumer Health supply chain, packaging and manufacturing roles; Pharmaceuticals product supply co-op | Amazon Fulfillment Center Operational Strategy & People Analytics |
| AI tools and automation | Plant Health digital phenomics (AI/ML image analysis); HR Transformation & AI Intern | Pfizer Advanced: AI-Powered Document Insights & Data Extraction |
| Sales and consumer insight | Sales Analyst Intern (Walmart team, Rogers, AR) and Whippany sales analyst roles | Consumer Behavior Insights with Generous Brands |
The match is closest for data work: the Arceh project gives you a real dataset to clean, analyze and present, which is the same loop Bayer's phenotyping and genomics co-ops describe.
What Is the Bayer Application and Interview Process Like?
Bayer's students page names the interview formats; the order below is the usual flow:
1. Apply on the Bayer student board. Filter by job type = student and the United States, then apply to each role and site separately. Ignore non-US roles in the same search.
2. Phone screen. A recruiter or hiring manager checks fit, availability for your cohort (summer, spring or fall) and willingness to relocate.
3. One-on-one and panel interviews. Expect questions about your lab, field or engineering work and how it connects to the division.
4. Skills test (some roles). Bayer says the process may include one; technical and data roles are the likeliest.
5. Offer. Most offers go out by the end of December; some arrive as late as mid-March.
Prepare two or three project stories in STAR format; our behavioral interview guide and panel interview tips cover both formats.
What Students on Reddit Say
Reddit has no first-hand accounts from US Bayer interns, so treat these three threads as context: two are older, and one is about an experienced hire.
A second-year student who accepted a Bayer quality control co-op asked whether the name helps a resume. Commenters agreed it's a large, respected employer that gives co-ops real work, and that a co-op between sophomore and junior year carries weight.
A St. Louis-area commenter called Bayer, then still Bayer/Monsanto, an excellent local employer and said it wouldn't hurt a software career in that region. Others in the thread debated the company's ethics record.
Recent candidates described long waits after a final interview, from five weeks to months. One reply noted that even after layoffs, Bayer still fills roles where there's a business need.
How Do You Stand Out for a Bayer Internship or Co-op?
Three moves, all doable this month. First, apply by division and site, not just by title. Two postings with the same title (the two Chesterfield Electrical Engineer Co-Ops, for example) can carry different pay ranges and GPA lines, so tailor each application to its team. Second, show you can handle a full semester. Co-ops run January to June or May/June to December at 40 hours a week, so state which cohort you can commit to and how it fits your degree plan. Third, bring one finished, data-backed project. 39 of the 53 postings ask for data analysis, and the skills test is where that shows. A lab, field or class project with a clear result travels across Crop Science, Consumer Health and Pharma. Bayer doesn't publish an applicant count or intern-to-hire rate, so early, specific applications are the lever you control.
What Other Companies Should You Consider?
Bayer competes for students in two very different markets, crop science and pharma, so the peer list mixes both.
- CortevaClosest crop science rival; seed, field and lab internships in the MidwestGuide →
- SyngentaCrop protection and seeds; research and field roles across the USGuide →
- PfizerLarge US pharma program for students who want the Pharmaceuticals sideGuide →
- MerckNew Jersey pharma neighbor with a big research and manufacturing intern classGuide →
- Johnson & JohnsonPharma, medtech and a consumer health heritage; strong NJ presenceGuide →
- BASFGerman chemicals and agricultural solutions peer with US plantsCareers site
Our biotech and pharma internships summer 2027 guide covers the wider life sciences field, and the sustainability and energy internships guide covers more agriculture-adjacent roles.
FAQ
Can I still apply for a summer 2026 Bayer internship?
No. Summer 2026 has already run. The open door is the 2027 cycle: on October 3, 2026 Bayer had 53 US summer 2027 internships and spring or fall 2027 co-ops live, and roles are closing as they fill. Bayer aims to make most offers by the end of December 2026.
When do Bayer internship applications open?
Bayer says applications open in mid-August, and this year's US student roles were created between late July and late September 2026. Most offers go out by the end of December, with a few into mid-March. Applications for summer 2028 are expected to open around mid-August 2027.
Are Bayer internships rolling?
Yes. Roles come down as they are filled: the US board dropped from 71 to 53 student roles between September 28 and October 3, 2026. The line saying a posting is available until at least March 19, 2027 is a minimum ad window, not a deadline, so apply early.
What GPA does Bayer require for internships?
There's no company-wide floor. Nine of the 53 live US postings name a 3.0, mostly engineering and regulatory co-ops, and two Whippany sales analyst roles ask for 3.3. Most Crop Science research and Consumer Health postings state no GPA, so read each posting before you apply.
What is the difference between a Bayer internship and a co-op?
A Bayer internship runs 12 to 15 weeks in summer, May or June to August 2027. A co-op is a full-time semester: spring runs January 11 to June 11, 2027, and fall runs from May 17 or June 14 to December 10, 2027. Each posting names its cohort.
How much do Bayer interns make?
Bayer's US postings list ranges from $20.75 to $58.50 without writing the unit; the figures read as hourly. Many Crop Science research and seed roles post $22.75 to $47.75, engineering roles mostly $24.00 to $45.50 or $24.00 to $43.25, and the Whippany sales analyst intern $20.75 to $29.50.
Where are Bayer's US internships located?
The largest cluster is around St. Louis, with 13 roles in Chesterfield and one in Creve Coeur, Missouri. Others sit in Whippany and Morristown, New Jersey; Indianola, Pittsburgh and Myerstown, Pennsylvania; California, Louisiana, Iowa, Nebraska, Arkansas and Massachusetts; two are residence-based.
What is the Bayer internship interview process?
Bayer says it may include phone screens, one-on-one and panel interviews, and a skills test. Expect questions on your lab, field, engineering or data work and on which cohort you can commit to. Most offers arrive by the end of December, and some candidates report long waits.
Bayer's 2027 roles are open now and closing as they fill. Apply this month, and use the wait to build proof: a remote Externship gives you a finished, documented project to walk through in Bayer's panel interview.
About the Author
Bifei Wang has spent 17 years focused on human flow and the growth of young professionals, spanning international education, career training and coaching, and recruitment process outsourcing. Over 7 years at Extern, he has had one-on-one sessions with thousands of students exploring careers in consulting, finance, tech, marketing, and data, giving him a firsthand view of how the job market has shifted for early-career professionals and what it actually takes to break in.
