Job Title: Process Scientist
Department: Technical Operations (DSP OpU)
Reports To: Technical Lead
Why Join Us?
As a Process Scientist in our high-performing Drug Substance Proteins Operating Unit (DSP 12K), you’ll play a pivotal role in shaping the future of biopharmaceutical manufacturing. This is more than a support role — it’s a leadership opportunity for experienced professionals who want to drive innovation, resolve complex challenges, and influence cross-functional success.
We’re looking for a subject matter expert (SME) in upstream and/or downstream biological processes who thrives in a dynamic, fast-paced environment. If you’re passionate about science, continuous improvement, and making a tangible impact on product delivery and patient outcomes, we want to hear from you.
What You’ll Do
Lead with Expertise: Own and resolve complex technical issues, lead deviation investigations, and implement effective CAPAs that ensure robust, compliant manufacturing.Be the Go-To SME: Provide deep technical insight into upstream and downstream processes, supporting troubleshooting, training, and process optimisation.Drive Innovation: Identify and lead process and equipment improvements, from concept through to funding and implementation.Collaborate Cross-Functionally: Work closely with Operations, MSAT, Quality, Engineering, and Technical Services to ensure seamless execution and continuous improvement.Project Leadership: Manage short-duration technical projects, ensuring delivery on scope, cost, and schedule while navigating technical challenges.Champion Excellence: Promote a culture of Right-First-Time and Zero Defects, and contribute to audit readiness and defence as a technical expert.Mentor and Influence: Coach peers and junior colleagues, sharing best practices and fostering a culture of learning and collaboration.What You Bring
A degree in Science or Engineering (Chemical/Biological focus preferred); equivalent experience considered.5+ years of cGMP experience in biopharma manufacturing, technical operations, or engineering.Strong working knowledge of upstream cell culture and downstream purification.Proficiency with digital tools such as eQMS (Veeva Vault/QTS), MCS, PI, LIMS, and AMPS.Demonstrated ability to work independently, lead investigations, and influence cross-functional teams.Method One certification and experience with process monitoring systems and automated control systems.Excellent communication, problem-solving, and stakeholder engagement skills.What Sets You Apart
You’re not just technically strong — you’re a strategic thinker who sees the bigger picture.You’re proactive, solutions-focused, and thrive on driving improvements that matter.You’re a natural collaborator who builds trust and delivers results across functions and levels.Our Culture
We value curiosity, courage, and collaboration. You’ll be supported by a team that shares knowledge, celebrates success, and is committed to continuous learning and development. We invest in our people through 70:20:10 development planning, lean capability building, and meaningful career progression.
What We Offer: or Why Choose Pfizer
Competitive SalaryAnnual Bonus and Share SchemesPension SchemeLong term Income ProtectionHealthcare for you and your familyCareer development opportunitiesHealth and wellbeing initiativesSubsidised CanteenOnsite Gym and SaloonSports and social club (Swim Society, Women's Mentoring programme, Pfizer Pride & many more)Working Patterns and Duration:
Day based Monday to Friday.
Work Location Assignment: Flexible
Application Closing date: 2nd Sep 2025 00:00hours
All applicants must have relevant authorisation to live and work in Ireland.
Additional Information
In order to be considered for this position in Ireland you need to be legally eligible to work in Ireland.
Please note there is no relocation support available for this position
How to apply
Make a difference today, all suitable candidates should apply with CV below. We are looking forward to hearing from you!
Purpose
Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives.
Digital Transformation Strategy
One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience.
Equal Employment Opportunity
We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms – allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees.
Disability Inclusion
Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here!
Manufacturing