Onsite Associate, Lab Services

Avantor Sciences; Leiden; On-site; EUR 32,000 - 52,000; Full time

Job summary

Avantor Sciences is seeking a hands-on Laboratory Operations support role in Leiden. The role covers materials preparation, sample management, logistics, equipment support and operational services to uphold safety and quality standards across the lab environment.

You will handle labeling, inventory, shipments, glassware care, instrument checks, and weekend duties, supporting the scientific operations and ensuring compliance with regulatory requirements.

Responsibilities

• Prepare and label laboratory materials (biological media, buffers, mobile phases) per procedures and regulatory standards.
• Order and maintain inventory for formulations used by end users.
• Use the BMS ordering system to prepare standard and custom formulations.
• Deliver orders with documentation compliant with procedures and regulatory requirements.
• Operate laboratory equipment following approved procedures and site rules.
• Maintain volumetric data and generate SLA-compliant reports.
• Coordinate receipt and shipment of samples, including media powders and buffers.
• Maintain shipment records and update tracking systems for domestic and international samples.
• Manage retained samples storage, retrieval, and disposal according to procedures.
• Support accurate storage and disposal of in-process samples.
• Coordinate filling of external liquid nitrogen reserve tanks in compliance with procedures.
• Perform glassware maintenance, autoclave, and parts washer services and ensure clean, calibrated items.
• Maintain stock levels of glassware and cleaning supplies; wash, dry and inspect items.
• Track workflow volumes and report against SLAs.
• Perform instrument performance verification (cell counters, metabolite analysers, pH meters, pipettes, balances, liquid handling).
• Coordinate routine preventive maintenance and repairs with approved vendors.
• Execute a variety of laboratory deliveries (buffers, shipments, glassware, materials).
• Provide weekend sample duty services to ensure operations continuity.

Job description

Join a dynamic laboratory support team where you will play a key role in ensuring the efficient delivery of essential laboratory services. This varied and hands-on role supports scientific operations through material preparation, sample management, laboratory logistics, equipment support, and operational services while maintaining the highest standards of quality, safety, and compliance.

Laboratory Materials Preparation

• Prepare and label laboratory materials, including biological media, buffers, and mobile phases, in accordance with procedural documents, site requirements, and regulatory standards.
• Order and maintain inventory of materials required to manufacture requested formulations for laboratory end users.
• Prepare materials using the BMS web-based ordering system, supporting both standard and custom formulations.
• Deliver prepared orders to end users with all required documentation in compliance with BMS procedures and regulatory requirements.
• Operate laboratory equipment in accordance with approved procedures, site requirements, and regulatory standards.
• Maintain volumetric data and provide reports as requested, demonstrating compliance with agreed service level agreements (SLAs).

Sample Receipt & Shipping

• Manage, coordinate, and execute the receipt and shipment of samples, including media powders, components, buffers, and in-process samples.
• Prepare and coordinate domestic and international sample shipments to support R&D activities and site-specific requirements.
• Maintain accurate shipment records within the sample tracking system and ensure updates are made whenever shipment or sample details change.
• Ensure all shipment documentation and original paperwork are transferred to the appropriate analyst upon shipment completion.
• Manage retained samples, including storage preparation, inventory management, retrieval, logbook maintenance, and disposal of samples as required.
• Support the accurate storage and disposal of in-process samples in accordance with established procedures.

Liquid Nitrogen Services

• Manage and coordinate the filling of external liquid nitrogen reserve tanks in compliance with site procedures and regulatory requirements.

Glassware, Autoclave & Parts Washer Services

• Manage and execute glassware maintenance, autoclave, and parts washer services in accordance with site procedures and quality standards.
• Maintain adequate working stock levels of laboratory glassware.
• Collect glassware and materials from designated laboratory locations for washing and sterilization on a daily basis.
• Process, autoclave, seal (where required), and return materials to designated locations within agreed timelines.
• Hand wash, rinse, and thoroughly dry delicate glassware, laboratory apparatus, and tubing assemblies.
• Perform quality inspections of all glassware to ensure cleanliness and identify damaged items requiring disposal.
• Maintain sufficient stocks of detergents and other cleaning supplies.
• Track workflow volumes and provide reporting to demonstrate achievement of service level agreements.

Laboratory Equipment Operational Support

• Perform instrument performance verification for laboratory equipment, including cell counters, nutrient metabolite analysers, pH meters, pipettes, balances, and liquid handling systems.
• Coordinate, execute, and document routine preventive maintenance, servicing, and repair activities with approved vendors.
• Ensure equipment maintenance activities are completed within required timeframes to support MS&T and AS&T laboratory operations.

Transport Services

• Execute a variety of laboratory deliveries, including buffers, shipments, glassware, laboratory materials, and other operational supplies.
• Ensure the timely and accurate transportation of materials across laboratory facilities.

Weekend Support

• Provide sample duty services during weekends to ensure continuity of laboratory operations.
• Support assigned team activities and complete operational tasks within required timelines.

Disclaimer:

The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this position. Avantor is proud to be an equal opportunity employer.

Dare to go further in your career. Join our global team of 14,000+ associates whose passion for discovery and determination to overcome challenges relentlessly advances life-changing science.

The work we do changes people's lives for the better. It brings new patient treatments and therapies to market, giving a cancer survivor the chance to walk his daughter down the aisle. It enables medical devices that help a little boy hear his mom's voice for the first time. Outcomes such as these create unlimited opportunities for you to contribute your talents, learn new skills and grow your career at Avantor.

We are committed to helping you on this journey through our diverse, equitable and inclusive culture which includes learning experiences to support your career growth and success. At Avantor, dare to go further and see how the impact of your contributions set science in motion to create a better world.