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Careers in MSD 
Carlow, Ireland
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MSD Carlow is a state-of-the-art, 200,000 sq ft facility focused on improving the lives of people across the world

We are growing our highly-skilled team and building our presence in Carlow so that we can continue to lead scientific breakthroughs in the treatment of some of the world’s most challenging diseases. 

At MSD Carlow, we help save and improve lives globally
The MSD Carlow site broke ground in 2008 and is a filling site for the launch and commercial supply of vaccines, biologics and small molecule drug product. Since its initial launch, the site has attracted significant internal investment and is now home to a number of state of the art production facilities, laboratories and temperature controlled warehousing units. The Carlow site is a significant employer in the South East region and attracts high performing talent through close collaborations with universities and colleges in the region.
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We are expanding our facility to continue in the edge of innovation 
In October 2018, MSD announced the expansion of its Carlow site with the construction of a new facility. We will focus on the production of vaccines and biologics and there will also be an expansion of warehouse and laboratory services at the site. The new manufacturing operations will commence in 2023.

Our team is growing and we want you to grow with us 
MSD’s sustained investment in Ireland empowers Carlow to offer its team the opportunity to continuously grow, learn, invent and thrive. We aim to attract driven individuals who share our ambition to impact tomorrow, today by responding to the world’s most vital, unmet health needs.
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Our sites

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Ballydine
First established in 1976, MSD Ballydine develops and supplies the active ingredients and final formulated product for a range of innovative medicines at its manufacturing and R&D facilities. MSD’s first site in Ireland, the Ballydine site is MSD’s primary small molecule pipeline commercialisation facility globally, operating as a European hub for quality, manufacturing, and engineering. Its highly skilled teams leads the way in the development of new medicines, including innovative treatments for Hepatitis C, HIV and immuno-oncology, the site exports to over 25 countries around the world.
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Red Oak North in Dublin
Red Oak North in Dublin is our commercial Head Office for our Animal Health and Human Health businesses in addition to several global and national support services including Clinical Research, Medical Affairs, Regulatory Affairs, Sales, Policy & Communications and Marketing.
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Biotech, Dublin
MSD Biotech, Dublin began construction in 2018 and has progressed at an impressive rate since then.  The site plays a pivotal role in the manufacture of MSD’s biologics-based medicines, including immuno-oncology, and it has expanded MSD’s current internal network of biologics drug substance manufacturing plants since full manufacturing operations began in 2021.
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Dunboyne
The latest addition to the MSD Ireland family is MSD Dunboyne which joined our network in September 2020. Our Dunboyne site is MSD’s first Biologics Drug Substance Single Use Commercialisation Facility, playing an important role in helping to commercialise key medicines as the newest addition to the MSD network. The cutting-edge innovation and collaboration between MSD Dunboyne’s research and manufacturing teams will significantly accelerate the time it takes to bring a medicine to market for the benefit of patients around the world.
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Brinny Site

Brinny
Our site in Brinny, Co. Cork has been a vibrant part of the pharmaceutical sector in the South-East region for over 35 years. With a successful legacy of developing and commercially supplying biotech products including some of MSD’s most successful treatments for Oncology, Hepatitis C, and Rheumatoid Arthritis, Brinny is now specialising in the development and manufacture of innovative novel vaccines and testing of immuno-oncology medicines.
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This careers website is intended for Residents of Europe, Middle East, Africa, Latin America & Asia Pacific. Residents in the United States, Canada & Puerto Rico, please visit this Careers website. Information on this site is for the purpose of presenting career opportunities at our organisation and give our audience a view of our culture, diversity and growth opportunities. Our Company is an equal opportunity employer, proudly embracing diversity in all of its manifestations.