Job Description Job Summary The Senior Sustainability Engineer will lead the planning, execution, and delivery of environmental sustainability projects across the company's facilities and operations portfolio. . This role bridges functional/ site-level execution with enterprise strategy, collaborating with cross-functional teams to identify environmental impact reduction initiatives that are value-add, practical and technically sound, scalable, and aligned with corporate commitments and regulatory requirements. The role will influence a culture of sustainability and continuous improvement across the company through awareness campaigns and proactive workforce engagement. Responsibilities Key Responsibilities Develop and support environmental impact reduction strategies across company sites. Translate corporate sustainability goals into practical, scalable initiatives aligned with business growth and regulatory requirements. Act as a technical expert and trusted advisor on sustainability and environmental topics. Lead and support sustainability projects (e.g. energy efficiency, resource optimisation, waste reduction, equipment upgrades). Embed sustainability principles into capital projects, technology transfers, and day-to-day operations, supported by effective change management. Establish standardised processes for sustainability data collection, KPI tracking, reporting, and trend analysis. Conduct environmental impact and carbon footprint assessments for products and processes. Identify risks, opportunities, and stakeholder value through structured analysis and problem solving. Ensure compliance with environmental regulations, permits, and corporate EHS standards. Coach and influence leaders and teams to build shared ownership and a culture of environmental sustainability and continuous improvement. Qualifications Required Qualifications 7-10 years' experience in sustainability, environmental or energy engineering, ideally in biopharmaceutical or regulated manufacturing environments. Bachelor's degree in Engineering, Sustainability, or related technical field. Experience leading multi-site sustainability and/ or energy efficiency initiatives and projects. Advanced analytical skills and experience working with environmental data. Proficiency in Microsoft Office. Preferred Qualifications Understanding of biopharma manufacturing, laboratory, and R D operations. Certification in Sustainability or Environmental/Energy Engineering. Experience with carbon accounting, lifecycle assessment (LCA), and science-based targets. Knowledge of

ISO 14001, ISO

50001, or similar management systems. Training in project management, change management, or operational excellence. Working Conditions Hybrid role with a minimum of three days on site. Travel required (approximately 30 - 40%). The annual base salary for this position ranges from $137,000 to $158,000. In addition, this position is eligible for an annual performance pay bonus. Exact compensation may vary based on skills, training, knowledge, and experience. Alkermes offers a competitive benefits package. Additional details can be found on our careers website: ;br> #LI-TS1 About Us Why join Team Alkermes? Alkermes applies its decades of deep neuroscience expertise to develop medicines designed to help people living with complex and difficult-to-treat psychiatric and neurological disorders. A global biopharmaceutical company, headquartered in Ireland with U.S. locations in Massachusetts and Ohio, we seek to make a meaningful difference in the way people manage their diseases. We have a portfolio of proprietary commercial products for the treatment of alcohol dependence, opioid dependence, schizophrenia, bipolar I disorder and narcolepsy, and a pipeline of clinical and preclinical candidates in development for various psychiatric and neurological disorders. We are proud to have been recognized as an employer of choice by many national organizations. In 2024 and 2025, we were certified as a Great Place to Work in the U.S. and named one of Massachusetts' Top Places to Work by the Boston Globe, a Best Place to Work in Greater Cincinnati by the Cincinnati Business Courier and recognized as a Best Place to Work in BioPharma by Fortune Magazine. Alkermes, Inc. is an equal employment opportunity employer and does not discriminate against any qualified applicant or employee because of race, creed, color, age, national origin, ancestry, religion, gender, sexual orientation, gender expression and identity, disability, genetic information, veteran status, military status, application for military service or any other characteristic protected by local, state or federal law. Alkermes also complies with all work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA. Alkermes is an E-Verify employer.