Job Description

Role Summary

• Responsibilities: You will be responsible for devising and performing statistical analysis plans and then communicating the methodologies and results of these to our clients in the healthcare sector
• Salary: $75,000 to $80,000 depending on qualifications, education and previous experience
• Benefits: Discretionary profit share bonuses paid twice per year, hybrid and flexible working options, generous vacation allowance, private medical and dental insurance, 401K plan with up to a 5% employer contribution, life insurance, full funding and study leave for external training and more
• Role Type: Full-time, permanent
• Start Date: We are currently recruiting for start dates in 2026 and you will be asked to state your availability on your application form
• Application Deadlines: Whilst there are no set application deadlines, we strongly recommend applying as early as possible. The role, or particular start dates, may close when suitable candidates are found
• 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, SQL and BUGS software. They are also responsible for communicating the methodologies and results in both written and oral formats to drug and device manufacturers, and doctors. The statistical analyses vary 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 complex Bayesian network meta-analysis using both standard and emerging methods.

You will work in project teams alongside colleagues from all specialities to ensure that statistics projects are completed to an exceptionally high standard, on time and in line with client expectations. You will receive training in the technical aspects of the role, project management skills and effective client communication. Delivering project work requires close collaboration with clients and, following a successful induction period, you will increasingly participate in client calls and face-to-face meetings with external stakeholders.

Our team typically work on several projects at one time and 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. To read more about our recent articles and publications, please visit our website:

Hybrid Working Policy: We believe that having face-to-face time in the office holds many benefits and is central to ensuring that the community we have created, where people have a workplace they belong to and feel part of, is never lost. At the same time, we recognize that homeworking can improve work life balance, reduce commuting times and costs, and provide the opportunity to juggle personal commitments. Therefore, we offer flexible working arrangements that allow our colleagues to work from home for up to half of the time, measured across a 2-week rolling period. Please note that as part of our wider flexible working policy, employees may work outside of Massachusetts for up to 4 weeks annually
A Day in the Life of a Biostatistician

To learn more about a typical day for a Biostatistician at Costello Medical, please click here:
Career Profile

We offer many opportunities for personal and professional development at Costello Medical. Please click below to read firsthand accounts from our colleagues about their time with the company:
About Costello Medical

Costello Medical is a rapidly growing global healthcare agency specializing 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 organizations. 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. Please click here to learn more about us, our work and our mission:

Requirements
About You

The successful candidate will be someone who enjoys problem solving and thinking outside the box to develop innovative solutions. In line with the company's values, you will be passionate about improving patient outcomes by applying your statistical knowledge and technical skills to the healthcare industry.

Essentialrequirements for the role are:

• A degree level or higher qualification in a scientific or mathematical discipline (minimum GPA 3.3) with a focus on statistics and data analysis.
• Proficiency in the R programming language, and the willingness and ability to rapidly develop your programming skills
• The technical and mathematical ability, coupled with the written and oral communication skills, to explain complex techniques and results to non-experts
• A willingness to trial, explore or recommend new software or techniques that may suit specific projects
• A high degree of accuracy and attention to detail, along with the ability to maintain a high level of customer service and the quality of deliverables under multiple competing demands
• A high level of organisation, with the flexibility to respond to changing deadlines
• The ability to use your initiative and work independently, in addition to working collaboratively within project teams
• Excellent written English, which will be assessed during the selection process

Desired requirements for the role are:

• A Masters degree or PhD in a scientific or mathematical discipline
• Experience with Python Stan, SQL
• Experience in and/or knowledge of medical data, clinical processes or trials

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:

Benefits
What We Offer

Alongside our award-winning company culture, where every team member is celebrated, respected, and has their voice heard, our comprehensive benefits package includes:

• A starting salary of $75,000 to $80,000 per annum, depending on your qualifications and previous experience, as well as a discretionary profit share bonus paid twice per year. Please note that we have established salary bands that ensures a fair and consistent approach for all applicants, eliminating the need for individual negotiations
• 23 days' vacation leave increasing by 1 day each year to a maximum of 27 days. 6 public holidays plus 1 floating vacation day to use on a holiday of your choosing
• Flexible, reasonable working hours and the chance to work from home for up to half of your working time
• Private medical insurance with a company contribution, as well as dental and vision cover and life insurance
• Retirement savings via a 401k plan with up to a 5% employer match
• Paid funding for external education and study leave
• Paid and unpaid sabbaticals based on length of service

Please click here to learn about our full reward package and the other benefits of working for Costello Medical:
The Application Process

You are required to submit your resume 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 resume should clearly state the dates of all qualifications and grades achieved where applicable.

Our recruitment process includes a telephone interview with a member of our Talent Acquisition team. Following this, you will also be sent a technical assessment, using R programming, and a proofreading exercise that we ask you to complete in your own time. If successful, you will be invited to an interview which will include a short presentation you can prepare for in advance. Our standard recruitment process lasts around 6 weeks, 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. Please click here to learn more.

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

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