Job Description

Join our company as a Senior Specialist E2E Supply Planner at our Dundalk site. As a Senior Specialist, you will play a crucial role in ensuring the on-time, compliant delivery of products in a highly regulated environment. If you are passionate about supply chain management and thrive in a collaborative setting, we want to hear from you!

Your Key Responsibilities

• You'll consolidate site-level demand signals and support the Sales & Operationsl cycles to keep everyone aligned.

• Build short and mid-term production plans that meet demand while optimizing capacity and minimizing risk.

• You will create and manage material requirements plans for raw materials and components, coordinating closely with Procurement and Suppliers to prevent disruptions.

• Keep an eye on inventory metrics and implement effective improvements.

• Lead daily and weekly planning reviews, support audits and inspections, and provide KPI reporting for site leadership.

• Model contingency scenarios and recommend mitigation actions to handle capacity constraints or supply failures.

• Act as the site planning SME for planning tools like SAP/MRP and mentor junior planners, helping them grow.

What You Bring to the Team

Required

• You hold a Bachelor’s degree in Supply Chain, Engineering, Life Sciences, Business, or a related field.

• You have 5+ years of supply chain/planning experience, including 2–3+ years in vaccines, biologics, or pharma manufacturing.

• Hands-on experience with ERP/MRP systems (SAP preferred) and strong Excel skills.

• Knowledge of GMP and quality/regulatory requirements.

• Strong analytical skills, excellent stakeholder management, and problem-solving abilities, allowing you to make timely decisions under pressure.

• A customer-focused mindset, collaborative nature, ethical integrity, and a results-driven approach. You love developing talent and seeing your team succeed.

Preferred

• An advanced degree in Supply Chain, Engineering, Life Sciences, Business, or a related field.

• Experience with Lean/Six Sigma or continuous improvement.

As a cutting-edge, state-of-the-art vaccines facility spanning over 15,500 square metres across three stories, our Dundalk site will focus on qualification, continued product development and expanding its capabilities within our network. Featuring drug substance manufacturing, drug product manufacturing and quality control labs that will support the global supply of vaccine products - strengthening our ability to make an impact on people and patients worldwide by adding new capabilities to our already industry-leading network.

Required Skills:

Adaptability, Cross-Functional Teamwork, Materials Requirements Planning (MRP), MRP Systems, Production Planning, Production Scheduling, SAP Enterprise Resource Planning (ERP), Supply Chain Operations

Preferred Skills:

Continuous Improvement, Lean Six Sigma (LSS)

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Secondary Language(s) Job Description:

We keep the patient at the very heart of all that we do and strive to find solutions and treatments for some of the world's most challenging healthcare needs.

As an equal opportunity employer, we are proud to be a company that embraces the value of bringing diverse, talented, and committed people together.

Please don't hesitate to contact the Talent Acquisition Advisor assigned to this role should you need any support during our recruitment process.

We are committed to flexible working where possible, and this is why our Company has introduced a new hybrid working model for office-based colleagues around the world.

Please feel free to speak to us about what flexibility means to you during your application.

So, if you are ready to:

Invent solutions to meet unmet healthcare needs, please apply today.Search Firm Representatives Please Read Carefully Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Regular

Relocation:

VISA Sponsorship:

Travel Requirements:

Flexible Work Arrangements:

Not Applicable

Shift:

Valid Driving License:

Hazardous Material(s):

Job Posting End Date:

04/25/2026

A job posting is effective until 11: 59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.