"Expect to grow", personally and professionally: At Siegfried, we offer exciting challenges and ample opportunities to showcase your talents. As a trusted and respected partner to the pharmaceutical industry, we uphold the highest standards in safety, quality and sustainability, while fostering a culture that empowers you to thrive. Join a rapidly expanding global company, where diverse perspectives and experiences come together in a collaborative environment. Here, you'll find a workplace that values both collective success and your individual contributions—offering long-term opportunities to grow and make an impact.

Your Role:  

Microbiologist III - 2nd Shift (2 PM - 10:30 PM)Technical Leadership • Sterile Manufacturing • Aseptic ProcessingTake your microbiology career beyond the bench—without leaving it behind.If you're an experienced pharmaceutical microbiologist who enjoys solving complex technical challenges, mentoring colleagues, and supporting sterile manufacturing operations, this is an opportunity to expand your influence while remaining hands-on in the laboratory.We're looking for a highly skilled Microbiologist III to serve as a technical leader within our Microbiology team. In this role, you'll be the scientist others rely on—providing technical expertise, leading critical microbiology initiatives, supporting aseptic manufacturing, and helping develop the next generation of microbiologists.You'll remain actively engaged in laboratory operations while partnering across Quality, Manufacturing, Engineering, Validation, Facilities, and MSAT to solve complex problems, strengthen microbiology programs, and ensure the highest standards of product quality and patient safety.If you're ready for a role where your expertise shapes decisions, your leadership helps others grow, and your work directly supports life-changing therapies, we'd love to hear from you.

Your Profile:

Why You'll Love This Role

• Be recognized as a trusted technical expert in pharmaceutical microbiology.
• Expand your influence through technical leadership while remaining hands-on in the laboratory.
• Lead challenging microbiology projects that directly support sterile drug product manufacturing.
• Mentor fellow microbiologists and help develop the next generation of scientific talent.
• Partner with cross-functional teams to solve complex technical challenges and drive continuous improvement.
• Play a meaningful role in ensuring the quality, safety, and reliability of life-changing medicines.
• Join a collaborative team that values scientific excellence, innovation, accountability, and continuous learning.

What You'll Do

As one of the laboratory's most experienced microbiologists, you will:

• Independently perform microbiological testing of raw materials, in-process samples, utilities, environmental monitoring samples, and finished drug products.
• Lead microbiological method qualifications and validations, including authoring protocols, reports, and supporting documentation.
• Serve as the technical subject matter expert for aseptic processing, contamination control, environmental monitoring, and cleanroom microbiology.
• Provide on-the-floor microbiology support for aseptic manufacturing operations, including media fills, personnel monitoring, and gowning qualifications.
• Analyze microbiological and environmental monitoring data to identify trends, investigate excursions, assess product impact, and support effective corrective and preventive actions.
• Lead and support microbiology investigations, deviations, risk assessments, and CAPAs.
• Collaborate with Quality Assurance, Manufacturing, Engineering, Validation, MSAT, Facilities, and external partners to support new products, process improvements, technology transfers, and operational excellence.
• Represent the Microbiology department during customer audits, regulatory inspections, and internal audits.
• Ensure laboratory activities comply with current GMP requirements while maintaining accurate and timely documentation in laboratory records and electronic systems.
• Mentor and coach fellow microbiologists by providing technical guidance, sharing knowledge, and supporting professional development.
• Maintain an organized, compliant, and inspection-ready laboratory while supporting daily laboratory operations as needed.

Who Thrives in This Role

You're someone others naturally turn to when the answers aren't obvious.

You enjoy solving scientific problems, sharing your knowledge, and helping others succeed. You're collaborative, curious, and motivated by producing high-quality science that ultimately improves patient outcomes. You take pride in doing things the right way while continuously looking for opportunities to improve processes, strengthen quality, and elevate team performance.

If this sounds like you, you'll thrive here.

What You'll Bring

Required Qualifications

• Bachelor's degree in Microbiology or a closely related scientific discipline (advanced degree preferred).
• 8–10+ years of pharmaceutical microbiology experience supporting sterile drug product manufacturing.
• Demonstrated experience performing microbiological method qualifications and validations.
• Strong understanding of aseptic processing, contamination control, environmental monitoring, and current GMP requirements.
• Experience supporting FDA or other regulatory inspections is preferred.

Candidates with a related scientific degree and significant directly applicable pharmaceutical microbiology experience are encouraged to apply.

Technical Expertise

Experience in many of the following areas is highly desirable:

• Sterility Testing
• Bioburden Testing
• Endotoxin Testing
• Microbial Limits Testing
• Growth Promotion Testing
• Biological Indicator Enumeration
• Bacterial Suspension Preparation
• Environmental Monitoring (Viable & Non-Viable)
• Water & Utility Monitoring (WFI, HPW, Clean Steam)
• Antimicrobial Effectiveness Testing (AET)
• Container Closure Integrity Testing (CCIT)
• Method Qualification & Validation
• Microbiology Data Trending
• Investigations, Deviations, Risk Assessments & CAPAs
• USP Microbiology Requirements
• LIMS and electronic laboratory systems

Ready for Your Next Challenge?

If you're looking for a role where you'll continue doing the scientific work you enjoy while expanding your technical leadership, mentoring fellow microbiologists, and supporting the manufacture of life-changing therapies, we encourage you to apply.

Bring your expertise to a team that values curiosity, collaboration, scientific excellence, and continuous improvement.

Your next opportunity starts here. Apply today.

Target Pay Range: $44-48/hour + 2nd Shift 10% Differential (2 PM - 10:30 PM, Monday through Friday)

Individual compensation packages are based on various factors unique to each candidate, including skill set, experience, qualifications and other job-related reasons.

Your Benefits: 

• Medical, Dental, Vision

• Flexible Spending & HSA Options

• Life Insurance, Short & Long Term Disability

• Pet Insurance

• 401K

Founded in 1873 in Zofingen, Switzerland, Siegfried has grown into a global network of 16 sites across three continents. With a team of more than 4,200 highly skilled professionals, we take the innovations of our pharmaceutical customers to industrial scale and manufacture safe drugs for patients worldwide. As a fully integrated CDMO, Siegfried is one of the few organizations today that can carry out the development and manufacturing of APIs and finished dosage forms under one roof. This unique combination of know-how and experience makes us the most trusted partner in the pharmaceutical industry.