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Role Summary

• Responsibilities: In this role, you will gain hands-on experience in critically appraising and interpreting complex statistics, planning and analysing clinical trial data, and synthesising evidence, with one-to-one training and mentoring from our experienced Statistics team
• Compensation: $54,000 to $66,000 per year depending on experience
• Benefits: Generous vacation leave allowance, flexible working hours and the chance to work from home 1 day per week, access to medical, dental and vision insurance, as well as funded social activities
• Role Type: Full-time, 3-month internship
• Start Date: We are currently recruiting for start dates in 2026 and you will be asked to state your availability on your application form
• Location: This role is available in our Boston office

About the Role
Our Statistics team provide statistical and analytical expertise across Costello Medical, devising statistical analysis plans and performing data analysis within R, Excel, Stan and BUGS software. They are also responsible for communicating the methodologies and results in both written and oral formats to drug and device manufacturers, doctors and reimbursement agencies. The statistical analyses varies across patient-level clinical trial data, observational study (real-world) data and published aggregate data. Our work involves a range of techniques such as basic statistical analysis of individual patient data, regression analysis, survival analysis and Bayesian network meta-analysis using both standard and emerging methods.
This internship is ideal for both graduates and current students who are looking to gain experience in the field of statistics within a commercial environment. You will be presented with the opportunity to apply techniques learned during your academic training to real-world problems in healthcare and medical science. You will work on projects involving data analysis and the communication of both methodologies and results in a variety of publications, value materials, health economic models or health technology assessment submissions.
You will typically be working on several projects across a variety of therapeutic areas at any one time, which could include critically appraising and interpreting complex statistical analyses, planning and performing analyses of clinical trial data or synthesising evidence using Bayesian and frequentist (network) meta-analysis techniques. The results of each analysis can feed into publications, value materials, health economic models or health technology assessment submissions. You will therefore be exposed to a wide variety of our services and a broad range of therapeutic areas.
Interns receive extensive one-to-one training on the technical aspects of our statistics work, as well as project management and effective client communication.
Career Prospects After the Internship
During the internship program, individuals performing well may be given the opportunity to extend their internship to 6 months (note that this is dependent on business need). When this happens, it allows our interns to further develop their skills and potentially gain experience of other areas of the company (again, dependent on business need as well as the individual's interests).
Additionally, there is the opportunity for strong candidates to apply for the Statistician role and join our expanding team on a permanent basis. Many of our Statistician Interns move into a permanent role at Costello Medical.
To learn more about a typical day for a Statistician at Costello Medical, please click here: https://www.costellomedical.com/careers/working-at-costello-medical/day-in-the-life-statistician/
Starting Your Career as a Statistician
Andrei, a Senior Statistician at Costello Medical, has written an article for the University of Cambridge where he shares his experiences of studying Mathematics at university and seeking a role where he could use his mathematical skills for good, which led him to Costello Medical: https://unicamcareers.edublogs.org/2023/01/27/careers-in-data-quantitative-degrees-can-lead-to-meaningful-careers-in-healthcare/
About Costello Medical
Costello Medical is a rapidly growing global healthcare agency specialising in medical communications, market access, and health economic and outcomes research. We work with a wide range of clients, including the industry's most successful pharmaceutical and medical technology companies, patient and public health bodies, and charitable organisations. We have been listed in the Top 100 Best Companies to Work For list since 2017, the Boston Globe's Top Places to Work list in 2025, and were proud to receive B Corporation accreditation in 2022. Learn more about us, our work, and our mission on our website: https://www.costellomedical.com/
Requirements
About You
This internship is suited to recent graduates, as well as current students who are permitted to complete full-time internships either during the holidays or as a placement as part of their degree. In line with the company's values, the successful applicant will be passionate about improving patient outcomes by applying their statistical knowledge and technical skills to the healthcare industry.
Essential requirements for the role are:

• An undergraduate degree-level qualification in a scientific or mathematical discipline (minimum/expected 2:1 or equivalent) with a focus on statistics and data analysis. A Master's or PhD would be highly advantageous
• A high degree of accuracy and attention to detail
• Strong mathematical ability
• Excellent written English
• Advanced skills in Excel
• A good knowledge of programming, with proficiency in R and an understanding of other similar languages. Please note that our recruitment process involves an assessment exercise, which you will be asked to complete using R
• The ability to use your initiative and work independently, in addition to working collaboratively within project teams

Benefits
Joining Costello Medical from Academia
At Costello Medical, we warmly welcome applicants from academia who are looking to transitioning into a role within a commercial, industry-based setting. We understand the unique perspectives and valuable skills that academic professionals bring to our team. To support your career change, we offer comprehensive training, mentorship programs, and a work culture that fosters collaboration, growth and innovation. We are committed to facilitating a smooth transition and helping you thrive in an industry-based setting.
Many of our team members have successfully made this transition, and they share how their expertise has been transformed into fulfilling, impactful careers with us. Learn more here: https://www.costellomedical.com/careers/working-at-costello-medical/joining-from-academia/
What We Offer
We offer a competitive salary of $54,000 to $66,000 per year, depending on experience, and you will be entitled to pro-rated vacation days, based on internship length. We are proud to be a certified B Corporation company as this certification is a testament to the exceptional team at Costello Medical and their steadfast commitment to being a force for good. We are therefore eager to welcome individuals who share this vision. We provide exceptional internal training, opportunities to work on pro bono and charitable projects, and regular company-funded social activities.
The Application Process
You are required to submit your CV and a cover letter via our online application form. In your cover letter, you must explain why you think you would be suited to the role and why you would like to join Costello Medical, with examples to support both. Your CV should clearly state the dates of all qualifications and grades achieved where applicable.
The recruitment process begins with a self-recorded video interview which will be reviewed by the Talent Acquisition team. Following this, you will be sent a timed proofreading assessment and a written assessment to complete in your own time. If successful, you will be invited to an interview with senior members of our Statistics team. Our standard recruitment process lasts around 1 month, however, this can be adapted if necessary.
As an equal opportunity employer, we are committed to fostering a diverse and inclusive workforce and, throughout the recruitment process, there are a number of reasonable adjustments we can provide: https://www.costellomedical.com/reasonable-adjustments/
Please note that, whilst we embrace AI to innovate and improve processes, your role may involve confidential data that cannot be uploaded to AI. Therefore, it is important for us to assess your own skills and abilities, so we recommend that you do not rely solely on this technology to generate any application materials.
Visa Sponsorship
We welcome applications from international candidates, but we are unfortunately unable to provide visa sponsorship for working visas. Therefore, you must have the right to work in the US independently from the company. However, we are able to consider those on a temporary visa, such as an OPT visa.