Laboratory Technician

Position overview

allnex invites you to join the team in Shanghai, China as a Laboratory Technician today! In this role, you will support the development of battery materials through polymer synthesis, scale-up preparation, customer sample preparation, and basic application testing. Working closely with Polymer Synthesis Engineers, you will execute established laboratory procedures, assist in scale-up activities, and contribute to material evaluation efforts to enhance customer responsiveness and improve sample delivery efficiency.

If you're looking to join a dynamic team, view the responsibilities below and apply today! 

Responsibilities

• Perform polymer synthesis, purification, filtration, drying, and sample preparation for battery material projects based on experimental plans, formulations, and SOPs established by Polymer Synthesis Engineers.
• Support scale-up activities from laboratory experiments to reactors up to 20L, ensuring safe operation, process consistency, and reliable results.
• Set up and operate laboratory and reactor equipment, including raw material charging, temperature control, material addition, sampling, and process monitoring.
• Assist with optimisation of established polymer systems through controlled adjustments to formulations and process parameters under the guidance of Polymer Synthesis Engineers.
• Prepare customer samples through repeat synthesis, batch preparation, labelling, packaging, and quality verification to ensure consistency and timely delivery.
• Conduct basic battery material application testing, including slurry preparation, dispersion, coating, electrode preparation, and performance evaluation as required.
• Maintain accurate records of raw materials, process conditions, observations, yields, and test results to ensure data integrity and sample traceability.
• Perform routine equipment cleaning, inspection, and maintenance, and support laboratory inventory management for raw materials, consumables, and samples.
• Ensure compliance with EHS standards, chemical handling procedures, waste management requirements, and laboratory safety practices, while promptly reporting any abnormalities or safety concerns.

Required skills and experience

• Minimum 3 years of laboratory experience in the chemical, polymer, or materials industry.
• Hands-on experience in polymer synthesis and polymerisation processes.
• Familiarity with reactor operation, sampling, filtration, drying, and scale-up activities; experience with 5L-20L reactors is an advantage.
• Knowledge of free-radical, condensation, emulsion, or solution polymerisation is preferred.
• Exposure to lithium-ion battery materials, slurry preparation, coating, or electrode preparation is an advantage.
• Proficient in Microsoft Word and Excel with strong documentation skills.
• Detail-oriented, safety-conscious, and able to manage multiple priorities in a laboratory environment.

Qualifications

• Bachelor's degree or Diploma in Polymer Materials, Applied Chemistry, Chemical Engineering, or a related field.

We offer