Sr Microbiology Analyst

HAL Allergy Group; Leiden; On-site; EUR 70,000 - 95,000; Full time

Benefits offered by this job

30 leave days

Pension plan

Health insurance

Job summary

HAL Allergy in Leiden seeks a Senior Microbiology Analyst to coordinate environmental monitoring and microbiological testing in a GMP environment. You will act as SME, drive investigations, and support product release.

You will lead the QC Microbiology team, trend data, review results, and assist with equipment qualification. A Bachelor's in Microbiology and 5+ years in pharma/biotech are required; Dutch and English fluency is essential.

Qualifications

• Bachelor's degree in Microbiology or related life sciences.
• Minimum 5 years in pharma/biotech.
• Experience with GMP environmental monitoring.
• Experience writing SOPs, deviations, CAPAs.

Responsibilities

• Coordinate laboratory sampling and microbiological testing activities.
• Perform environmental monitoring of cleanrooms and water systems.
• Conduct microbiological analyses including sterility, bioburden, endotoxin, growth promotion testing, and microorganism identification.
• Review test results, reports, and laboratory documentation for accuracy and compliance.
• Lead troubleshooting efforts, investigations, deviations, change controls, and CAPAs.
• Training and mentoring QC Microbiology team members.
• Act as deputy for the QC Microbiology Supervisor when needed.

Skills

Environmental monitoring

Sterility testing

Bioburden testing

Endotoxin testing

Growth promotion testing

cGMP

Laboratory safety

Documentation

Education

Bachelor's degree (HBO) in Microbiology

Job description

Are you an experienced microbiology professional who thrives in a GMP-regulated environment? Do you enjoy combining hands-on laboratory work with coordination, technical expertise, and continuous improvement? Then we are looking for you.

As a Senior Microbiology Analyst, you will play a key role within our Quality Control Microbiology team. You will coordinate environmental monitoring and microbiological testing activities that support manufacturing, quality control, and product release. In addition, you will act as a subject matter expert for microbiological topics, drive investigations and improvements, and serve as deputy for the QC Microbiology Supervisor when needed.

In this position, you will be responsible for planning, coordinating, and performing microbiological activities while ensuring compliance with GMP, EHS, and quality requirements.

Key responsibilities include:

• Coordinating laboratory sampling and microbiological testing activities.
• Performing environmental monitoring of cleanrooms and water systems.
• Conducting microbiological analyses including sterility, bioburden, endotoxin, growth promotion testing, and microorganism identification.
• Trending and tracking environmental monitoring data and facility microorganisms.
• Managing laboratory reference standards, reagents, supplies, and microbial isolate strains.
• Reviewing test results, reports, and laboratory documentation for accuracy and compliance.
• Supporting equipment qualification and system validation activities.
• Leading troubleshooting efforts, investigations, deviations, change controls, and CAPAs.
• Training and mentoring QC Microbiology team members.
• Acting as the primary point of contact during the absence of the QC Microbiology Supervisor.

You have

You are an analytical and proactive microbiologist who enjoys taking ownership and helping others succeed.

We are looking for someone with:

• A Bachelor's degree (HBO) in Microbiology or a related life sciences discipline.
• At least 5 years of experience within the pharmaceutical and/or biotechnology industry.
• Experience with environmental monitoring and testing of critical utilities in a GMP environment.
• Strong hands‑on experience with sterility, bioburden, endotoxin, growth promotion, and environmental monitoring testing.
• Experience writing SOPs, reports, deviations, change controls, and CAPAs.
• Advanced knowledge of cGMP requirements and laboratory safety standards.
• Qualification to work in Class A/B cleanroom environments.
• Excellent communication skills in both Dutch and English.

Who are we looking for?

You are:

• Result‑oriented
• Accountable and reliable
• Analytical and detail‑focused
• A strong planner and organizer
• Collaborative and supportive
• Adaptable in a dynamic environment
• Persuasive and confident in driving improvements
• Committed to continuous professional development

Our offer

• You will be part of a steadily growing and dynamic biopharmaceutical company offering a great environment for self‑starters.
• A culture that is characterized by entrepreneurial spirit and a friendly and helpful atmosphere. The patient’s well‑being is always our top priority. This combination is the basis for an interesting and challenging environment.
• You will be working in our dynamic headquarters in Leiden, where we work on the full project pipeline from development to commercial production.
• Being part of a company that is geared towards helping people live happier and healthier lives.
• A competitive salary that matches your responsibilities and experience.
• 30 leave days.
• Company contribution to a pension package and health insurance.

HAL Allergy does not accept unsolicited approaches from recruitment agencies and/or search firms (such, for instance, as the sending of resumes) for any job posted on this or a referring website. All recruitment agencies and search firms are required to contact HAL Allergy Recruitment via [e-mail] to enquire about a potential recruitment or search agreement with HAL Allergy.

HAL Allergy, for those who seek pharmaceutical innovation

HAL Allergy is one of the European top players in the development, production and distribution of allergen immunotherapies for the treatment and prevention of allergic diseases. We focus on the development and manufacturing of modified allergen extracts for the therapeutic and diagnostic purposes of respiratory and food allergies. With all our activities the patient’s well‑being is always top of mind. At Hall Allergy we foster open discussions, an entrepreneurial spirit and close collaborations within the teams and with our international colleagues summing up to more than 300 highly specialized people across various positions. If you too would like to become a part of an innovative and challenging pharmaceutical manufacturer, then this is your perfect opportunity!

HAL Allergy is headquartered in Leiden, where all disciplines work under one roof, from development to sales. We work in an informal, culturally diverse organization with room for growth and continued personal development. HAL Allergy is located in the middle of the thriving and energetic Leiden Bio Science Park, the largest innovation district of the Netherlands in the field of Life Sciences & Health. The central train station and the ancient city center of Leiden are just a 5 minute bike ride away from our office.