Summary
Overview
Work History
Education
Skills
Timeline
Generic

Zachary Koska

Smithtown,NY

Summary

Proven experience supporting retail, custodial, education, and inventory roles by keeping spaces organized, assisting guests, and completing tasks with accuracy.

Overview

4
4
years of professional experience

Work History

Sales Associate

Stop & Shop
03.2025 - Current
  • keeping entryways clear and safe for 500+ daily guests
  • Maintained store cleanliness across high-traffic zones, supporting a 20% drop in guest complaints and slip hazards
  • Reorganized front-end layout, reducing checkout wait times during peak hours and boosting impulse buys
  • Accurately processed POS transactions and bagged groceries, speeding up transactions and improving guest flow
  • Resolved customer issues calmly in high-stress situations
  • Recommended relevant products and services, driving upsells and enhancing guest experience

Gym Teacher Assistant Intern

Mills Pond Elementary
07.2024 - 08.2024
  • Collaborated with faculty to safely lead daily gym classes, teaching structured physical activities and games to 100+ students
  • Maintained a clean, organized gym environment, preparing equipment and facilities for safe use each day
  • Encouraged teamwork, sportsmanship, and inclusivity, fostering a positive and safe atmosphere for all participants

Custodian Intern

Mills Pond Elementary School
07.2023 - 08.2023
  • Cleaned classrooms, hallways, restrooms, and high touch surfaces daily to meet school sanitation standards
  • Set up desks and arranged classroom layouts to support smooth daily transitions and learning activities
  • Organized supply closets and cleaning tools to support team efficiency

Operational Assistant

A. Bock Bingo Supplies
08.2021 - 12.2022
  • Stocked inventory of bingo supplies, including ink, paper, and novelty items, ensuring accurate counts and organized storage
  • Packaged and delivered customer orders, maintaining quality control and timely fulfillment
  • Maintained a clean, orderly workspace, contributing to safety and operational efficiency

Education

High School Diploma -

Smithtown High School West
Smithtown, NY
06-2025

Skills

  • Blender (3D Modeling)
  • Adobe Animate
  • Communication & Team Collaboration
  • Safety & Organization
  • Time Management

Timeline

Sales Associate

Stop & Shop
03.2025 - Current

Gym Teacher Assistant Intern

Mills Pond Elementary
07.2024 - 08.2024

Custodian Intern

Mills Pond Elementary School
07.2023 - 08.2023

Operational Assistant

A. Bock Bingo Supplies
08.2021 - 12.2022

High School Diploma -

Smithtown High School West