718,277open jobs
42,717companies
101,975added this week
Browse all
Salary
$66k – $132k per year (Estimated)
Location
Remote/Hybrid (Tipperary, Ireland)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 23, 2026. First seen by Alion on Aug 5, 2026. Merck & Co. scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Merck & Co. is an American pharmaceutical company founded in 1891 as the United States arm of the German firm Merck and made independent after the First World War, trading as MSD outside the United States and Canada. Its portfolio is dominated by the immuno-oncology drug Keytruda, alongside vaccines such as Gardasil and Vaxneuvance, hospital acute care products, and a large animal health business covering livestock and companion animals. The company is headquartered in Rahway, New Jersey, listed on the New York Stock Exchange, and spends a very large share of revenue on research into oncology, infectious disease and cardiometabolic therapies.

Job Description

An amazing opportunity has arisen for a Process Commercialisation Senior Engineer. The role will support internal and external manufacturing operations remaining operational, continuously improve and innovate.

What you will do:

Bring energy, knowledge, innovation and leadership to carry out the following:

As a Senior Process Commercilisation Engineer in the Process Development and Commercialisation Department, your responsibilities will be:

  • A key contributor and guiding the site on a new product introduction or technical transfer to and from the site, including new technologies.

  • You will work as part of a multi-functional, diverse team to deliver results within schedule and product launch milestones, this will involve directing day to day will development plans across projects and working closely with Research and Development partners globally.

  • This direction involves evaluation of raw materials, development of process fits, optimisation and development of the chemical API process, participation in campaign preparation, safety and environmental reviews, batch sheet reviews, regulatory and validation compliance, process monitoring and time cycle study, deviation investigations and resolution, and developing filing strategies.

  • The successful candidate will have an aptitude for technical problem solving, with a background in solving technical issues to obtain a positive outcome.

  • Knowledge and Subject matter expertise on API processing unit operations and scale up opportunities are a core part of the role, with the ability to identify and overcome constraints and tests to ensure successful demonstration of processes through piloting and validation. The incumbent would be expected to develop subject matter expertise in Process or Chemical Engineering internally within our company and Externally within the Pharmaceutical Industry.

  • The candidate will have excellent communication skills, with a proven record of imparting and guiding Complex projects across boundaries and an ability to convey and link with people at all levels of the organisation in a helpful, compliant manner.

  • Key attributes: Dedicated, unswerving, approachable and reliable.

What skills you will need:

In order to excel in this role, you will more than likely have:

  • A qualification in Chemical Engineering or related discipline.

  • A minimum of 5 years post-graduation knowledge in a pharmaceutical API manufacturing or Process development role.

  • Demonstrated ability to be self-motivated and focus others with respect to implementing identified improvement initiatives.

  • High personal integrity, credibility and energy.

  • Demonstrated ability to work as part of diverse teams in an all-encompassing manner.

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.

We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas come together in an inclusive environment.

So, if you are ready to:

Invent solutions to meet unmet healthcare needs, Impact the future by driving one of the world’s leading healthcare companies, and inspire your team to reach their full potential and push the boundaries of science and technology, please apply today.

Who we are …

We are a global biopharmaceutical leader with a diverse portfolio of prescription medicines, oncology, vaccines and animal health products.

We are driven by our purpose to develop and deliver innovative products that save and improve lives. With 69,000 employees operating in more than 140 countries, we offer state of the art laboratories, plants and offices that are designed to Inspire our employees as we learn, develop and grow in our careers. We are proud of our 125 years of service to humanity and continue to be one of the world’s biggest investors in Research & Development.

What we look for …

In a world of rapid innovation, we seek brave Inventors who want to make an Impact in all aspects of our business, enabling breakthroughs that will affect generations to come. We encourage you to bring your disruptive thinking, collaborative spirit and diverse perspective to our organization.

Inspiring Your Career Growth.

INVENT.

IMPACT.

INSPIRE.

Apply today.

Required Skills:

Adaptability, Adaptability, Biopharmaceutical Industry, Biopharmaceuticals, Biopharmaceutics, Change Control Processes, Chemical Engineering, Customer-Oriented, Deviation Investigations, Deviation Management, Engineering Standards, Environmental Health And Safety, Environmental Research, Good Manufacturing Practices (GMP), Immunotherapy, Maintenance Engineering, Manufacturing Process Validation, New Product Development, Oncology, Process Monitoring, Process Optimization, Regulatory Compliance, Root Cause Analysis (RCA), Self Motivation, Strategic Thinking {+ 2 more}

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

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:

Hybrid

Shift:

Valid Driving License:

Hazardous Material(s):

Job Posting End Date:

10/15/2026

*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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
718,277 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Similar stack
Same company
Tipperary
$41k – $103k per year (Estimated) • Remote/Hybrid • Full-Time • 2+ years exp • Singapore
Python
SQL
Analytics
Power BI
ETL/ELT
Apply
$29k – $62k per year (Estimated) • In office • Full-Time • 8+ years exp • Bachelor's Degree • Tianjin
Apply
Assistant Controller 8 hours ago
$42k – $108k per year (Estimated) • Remote/Hybrid • Full-Time • 2+ years exp • Netanya
Apply
$17k – $44k per year (Estimated) • In office • Full-Time • 3+ years exp • Bachelor's Degree • Hyderabad
Python
JavaScript
SQL
C++
Databases
PostgreSQL
Redis
DynamoDB
RabbitMQ
MinIO
MS SQL
DevOps
Terraform
Helm
GitHub Actions
CloudFormation
CI/CD
AWS
Docker
Kubernetes
Grafana
Platform Engineering
Amazon EKS
Amazon S3
Amazon CloudWatch
Management
Confluence
Jira
Agile
QA
Swagger
Postman
Jest
Pytest
Mocha
Robot Framework
Apply
$29k – $62k per year (Estimated) • In office • Full-Time • 8+ years exp • Bachelor's Degree • Ningbo
Apply
In office • Full-Time • Tipperary
Apply
Operations Engineer 8 days ago
$43k – $94k per year (Estimated) • In office • Full-Time • 2+ years exp • Tipperary
Analytics
Power BI
Apply
In office • Full-Time • 5+ years exp • Tipperary
Apply
$37k – $40k per year • In office • Full-Time • Tipperary
Management
Outlook
Apply
Spclst, Engineering 12 days ago
$45k – $98k per year (Estimated) • Remote/Hybrid • Full-Time • 2+ years exp • Tipperary
Apply
See all jobs
This is one of many
718,277 more open roles from verified company boards, updated every day.