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

Last updated: July 2026

Moderna's internship acceptance rate is an estimated 5–8%, with 2,000–3,000 applications received per cycle for roughly 150–200 intern spots. For the 2027–2028 cycle (you apply during 2026, you intern in summer 2027), applications are expected to open around mid-September 2026, roughly 9 months before the June start. The window closes by mid-November, and roles can shut before the posted deadline once Moderna fills its applicant pool. That means timing matters as much as credentials: apply in the first two to three weeks, or risk competing for whatever seats remain.

Quick Facts

The two numbers that matter: an estimated 5–8% acceptance rate across 150–200 spots, and a rolling window expected to open mid-September 2026 for summer 2027. A 3.0 GPA is the floor, but 3.5+ is the competitive bar for R&D roles.

Externships are short, remote professional experience programs where you finish a real project with a real company. The Healthcare Operations Consulting Externship and the Beats by Dre Data Analytics Externship build exactly the healthcare operations and data analysis evidence a September application needs. Explore all Externships.

What Is a Moderna Internship?

A Moderna internship is a paid, 10–12 week summer placement that puts roughly 150–200 college students into real roles across mRNA research, manufacturing, clinical development, and operations at Moderna's Cambridge and Norwood, Massachusetts campuses. The company's reputation backs the brand up: Moderna was voted BioSpace #1 large employer in life sciences for the fourth straight year and named a Science magazine Top Employer for the eleventh consecutive year. Interns work alongside teams developing mRNA-based vaccines and therapeutics, with three commercial products already on the market and key oncology trials underway. Glassdoor reviewers rate compensation and benefits 4.3 out of 5, among the highest in biotech.

When Do Moderna Internship Applications Open for 2027–2028?

Moderna's calendar is documented and consistent: applications open mid-September, close by mid-November, and interviews run rolling from October through December. The 2026 cycle (for summer 2026 interns) opened in mid-September 2025 with offers going out through January 2026, right on pattern. So for summer 2027 you apply in fall 2026, roughly 9 months before the June 2027 start. One thing worth knowing: Moderna reviews applications on a rolling basis and roles may close before posted deadlines once the applicant pool is filled, so the priority window is early, ideally by late October.

Why You Must Apply the Week Applications Open

Moderna says it plainly: applications are reviewed on a rolling basis and roles "often receive hundreds of qualified candidates and may close before posted deadlines once sufficient applicant pools are reached." Rolling means the class fills while the window is still open, and the window runs only about two months. But most applicants wait until mid-November. Don't. By the time the final deadline passes, recruiters have been interviewing for weeks, and the top 15–20% of applicants advance to phone screens. The priority window is late October, apply in the first two to three weeks for the best chance.

Which Moderna Internship Programs Should You Target?

Nine major internship and co-op tracks ran across Moderna's Cambridge and Norwood campuses last cycle. Which one should you target? The honest answer is the one whose skills you can already show, because every track interviews against its own technical requirements.

See all open positions on the Moderna Workday portal. Note the split format: summer internships run 10–12 weeks, while co-ops run 6 months (January–June or July–December). Co-ops are particularly popular with Northeastern University students and other co-op-structured programs.

What Are the Eligibility Requirements?

Moderna publishes consistent core requirements across its internship and co-op postings:

• Education: actively enrolled undergraduate (sophomore through senior) or graduate student pursuing a degree in STEM, life sciences, computational biology, biostatistics, or a related field.

• GPA: minimum 3.0 on a 4.0 scale required. However, competitive R&D internships typically go to candidates with 3.5 or above, especially for research and laboratory roles.

• Work authorization: must possess valid US work authorization. F-1 students eligible through CPT (school-authorized). Moderna doesn't sponsor H-1B visas for internship roles.

• Availability: the full program duration, on-site. Most positions are full-time and site-based with no remote option.

What GPA Do You Actually Need?

The published floor is 3.0, but that's the screening threshold, not the competitive bar. For R&D roles in therapeutics research, epidemiology, and clinical biomarker labs, a 3.5 or higher is typical among successful candidates. What else moves the needle? Strong research experience, relevant coursework in life sciences or computational biology, and employee referrals. Moderna states that candidates with referrals are 3–4x more likely to receive interviews. If your GPA is borderline, a finished project demonstrating the technical skills in the JD, wet-bench techniques, data analysis, or bioinformatics work, can offset it.

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

Moderna's internship postings are remarkably consistent about what they screen for. Scientific communication and cross-functional collaboration show up in nearly every track. Data analysis spans everything from epidemiology to manufacturing. But the technical asks stay track-specific: Therapeutics Research wants molecular biology and cell culture, while Bioinformatics wants Python, R, and ML. The thread that ties them together is Moderna's four core Mindsets: "Obsess Over Learning," "Pivot Fearlessly," "Push Past Possible," and "Act with Urgency." Show up with evidence of those, and the specific lab technique becomes teachable.

How Is Demand for Biotech Interns 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 Healthcare Operations deliverable is quality-assurance work in the R&D Quality posting's own vocabulary, and the data-analysis projects both analytics Externships end on are the "scientific communication" line item nearly every Moderna JD shares. These are the skills that appear again and again in Moderna's actual internship postings, you don't need to wait for Moderna to build them.

What Is the Moderna Application and Interview Process Like?

Moderna's funnel is longer and more technical than a typical corporate internship, averaging about 6–10 weeks from application to decision:

1. Apply at Moderna's Workday portal with a resume, personal information, and responses to assessment questions. Some roles also require a cover letter and transcript.

2. Online assessment (60–90 minutes): quantitative reasoning, scientific knowledge, and situational judgment. You need to score 70–80% to advance. Moderna also uses The Predictive Index behavioral assessment.

3. Recruiter phone screen (20–30 minutes): background, motivation, "Why Moderna?", and availability. The top 15–20% of applicants advance to this stage.

4. Hiring manager interview (45–60 minutes): technical depth on lab experience, research projects, and mRNA knowledge, plus behavioral questions in STAR format.

5. Technical/panel interviews (2–4 hours total) for competitive R&D positions: may involve a case study analyzing an mRNA technology scenario, discussion of past research, and team-fit assessment.

6. Offer decision: communicated within 5–10 business days after the final round.

Common behavioral questions include "Tell me about a time when you had to work with incomplete or ambiguous data" and "Describe a situation where you disagreed with a team member about a scientific approach." Rehearse in STAR format: our HireVue question guide with a free AI mock tool runs the same time pressure.

What Students on Reddit Say

Three threads show the process from the inside.

How Do You Stand Out When 2,000+ Applicants Chase 150 Spots?

Four moves, all executable before September. First, apply in the first two to three weeks; rolling review plus roles that close early makes timing itself a filter. Second, get a referral: Moderna says referred candidates are 3–4x more likely to get interviews, so start networking in the Kendall Square biotech ecosystem now. Third, build evidence in the JD's exact language, a finished data-analysis or healthcare-operations project answers "tell me about a time you analyzed scientific data" with an artifact instead of an anecdote. Fourth, learn Moderna's Mindsets ("Obsess Over Learning," "Pivot Fearlessly," "Push Past Possible," "Act with Urgency") and thread them into your behavioral answers. And remember: about 50–60% of high performers get return offers. Interview like someone auditioning for the full-time seat, because you're.

What Other Companies Should You Consider?

Moderna's peer set splits by what you want: mRNA-focused biotech with a startup pace, or large pharma with more structured intern programs.

If you're comparing offers, the Reddit threads above offer candid takes on Moderna vs. Regeneron and Moderna vs. GSK specifically.

FAQ

When do Moderna internship applications open for summer 2027?

Based on past cycles, Moderna opens summer internship applications in mid-September and closes them by mid-November. For summer 2027, expect applications to open around mid-September 2026, with a priority deadline in late October 2026. Moderna has not published 2027 dates yet, so check modernatx.com/careers starting late August 2026.

Is Moderna internship recruiting rolling?

Yes. Moderna reviews applications on a rolling basis within its window, and roles may close before the posted deadline once they receive enough qualified candidates. Applying in the first two to three weeks, ideally by late October, gives you priority consideration, since the top 15–20% of applicants advance.

What GPA do you need for a Moderna internship?

Moderna requires a minimum GPA of 3.0 on a 4.0 scale. However, competitive R&D internships typically go to candidates with a 3.5 or above, especially for research and laboratory roles. Strong research experience, relevant coursework in life sciences, and employee referrals can offset a borderline GPA.

What is the Moderna internship interview process like?

After applying, top candidates take a 60–90 minute online assessment covering scientific knowledge, quantitative reasoning, and situational judgment, needing 70–80% to advance. Next comes a recruiter phone screen, then a 45–60 minute hiring manager interview focused on technical depth and behavioral questions using the STAR method. Competitive roles add a panel round.

Do Moderna interns get return offers?

About 50–60% of high-performing interns receive return offers for full-time positions or subsequent rotations. Conversion depends heavily on team headcount and budget at the time. Moderna's Early Talent rotational program has a ~95% retention rate for participants who complete the full 24-month program.

What skills does Moderna look for in interns?

For lab roles: wet-bench techniques like PCR, ELISA, and cell culture, plus familiarity with GxP regulations. For computational roles: Python, R, or MATLAB, plus data analysis and bioinformatics. Across all programs, Moderna emphasizes scientific communication, cross-functional collaboration, adaptability, and alignment with its Mindsets: "Obsess Over Learning" and "Pivot Fearlessly."

Are Moderna internships paid?

Yes. Undergraduate interns earn $25–$32 per hour, and graduate or PhD interns earn $35–$45 per hour. The Indeed average across all intern types is about $34 per hour, well above the national average. Moderna also provides a housing stipend of $3,000–$5,000, relocation assistance, subsidized commuter benefits, and paid time off.

Does Moderna sponsor visas for interns?

Moderna requires valid US work authorization for internships. F-1 students are eligible through Curricular Practical Training (CPT), which is authorized by the student's university at no cost to Moderna. OPT isn't typically applicable for summer-only positions. Moderna doesn't sponsor H-1B visas for intern roles.

The window runs about two months and the review inside it's rolling. Spend the runway building proof: a remote Externship turns "interested in biotech" into a finished project a September application can point at.