Science Lab Assistant Jobs in Hempstead, NY (NOW HIRING)

Salary Range: $20.00-$25.00 (Hourly)

Position Type: Part-Time (Working hours will not exceed 15 hours per week. Weekly schedule will be set by the Upper School Director).

Job Shift: Day

Education Level: NA

Travel Percentage: None

Category: Education

Role Description:

The Calhoun School, a leading progressive, independent, coeducational day school in Manhattan, seeks a Upper School Science Lab Tech to begin in August 2026.

Our science program is grounded in a progressive, inquiry-based approach to learning, where students actively engage in hands-on investigation, experimentation, and scientific problem-solving. Labs are a central component of instruction and are typically conducted in 90-minute class blocks. These experiences range from open-ended experimental design projects, in which students develop and test their own hypotheses, to teacher-led demonstrations and structured investigations that require students to follow established protocols and procedures.

The science department supports a diverse range of Chemistry and Biology courses, including 10th Grade Chemistry, 11th Grade Biology, Chemistry II, Advanced Chemistry, Advanced Biology, Microbiology, Physiology and Anatomy, and Oyster Ecology. Together, these courses require substantial preparation, organization, and maintenance of laboratory materials, equipment, and protocols to ensure safe, effective, and engaging learning experiences for students.

Key Responsibilities:

• Set up laboratory equipment and materials before classes.
• Prepare chemicals, specimens, and experiment kits according to the teacher's instructions.
• Label and organize supplies for student activities.
• Ensure all equipment is functioning properly before use.

• Maintain inventory of chemicals, equipment, and consumable supplies.
• Monitor stock levels and notify when items need replenishment.
• Receive, unpack, and store deliveries.
• Keep inventory records up to date.

• Follow laboratory safety procedures and school policies.
• Ensure proper storage and labeling of chemicals.
• Assist with chemical disposal and sterilization according to regulations.
• Maintain Safety Data Sheets (SDS) and safety documentation.

• Clean, calibrate, and maintain laboratory equipment.
• Perform basic troubleshooting and minor repairs.
• Arrange servicing for specialized equipment when necessary.
• Report damaged or unsafe equipment.

• Keep laboratories, prep rooms, and storage areas clean and organized.
• Wash and store glassware and equipment after use.
• Organize chemicals according to compatibility and safety requirements.
• Dispose of waste appropriately.

• Maintain laboratory records and logs.
• Update equipment maintenance schedules.
• Track budgets and purchasing requests.
• Prepare reports on inventory, safety inspections, or equipment needs.
• Collaborate with teachers to revise and optimize laboratory protocols, ensuring experiments are safe, effective, and aligned with course objectives

• Set up microscopes, probes, sensors, and data-collection devices.
• Support laboratory software

This job description is not intended to be an exhaustive list of all duties, responsibilities, or qualifications associated with the position. Calhoun reserves the right to modify, add, or remove duties and to assign other duties as necessary.

Physical Requirements:

The employee is required to stand, sit, and navigate the classroom continuously for extended durations, including the lifting and transportation of classroom materials and equipment as necessary.

Commitment to Diversity Work

Calhoun is committed to addressing issues of social justice, diversity, equity, and anti-bias education in our curriculum and in our community. Teachers must be willing learners and participants in supporting this work.

Equal Employment Opportunity Policy

Calhoun is committed to recruiting, hiring and supporting a diverse staff and welcomes applicants of all gender, sexuality, religious, ethnic, racial and cultural identities. Calhoun does not unlawfully discriminate in employment opportunities or practices on the basis of one's actual or perceived race; color; religion; sex/gender (including gender identity); creed; sexual orientation; marital status; pregnancy; ethnicity; national origin, ancestry, age, and disability.

• Knowledge of laboratory safety procedures.
• Organization and attention to detail.
• Basic understanding of biology and chemistry
• Ability to lift and move equipment safely.
• Record-keeping and inventory management skills.
• Communication and teamwork