Job Description - Custodian


The Archdiocese of St. Louis strives to teach and share our faith, serve others, and foster unity throughout the St. Louis area.  Once a part of Kenrick-Glennon Seminary's campus, the Cardinal Rigali Center in Shrewsbury, MO is today the headquarters and curia (governing body) for the Archdiocese of St. Louis.


Job Summary

The Custodial Assistant is responsible for maintaining a clean, safe, orderly, and welcoming school environment throughout the academic year (August–May). This part-time position performs routine custodial duties under the direction of the Head Custodian, ensuring that classrooms, offices, restrooms, and common areas are clean, sanitized, and well-maintained. The Custodial Assistant supports the daily operation of the school by helping provide a healthy environment for students, faculty, staff, and visitors while contributing to the mission of Catholic education.

Job Responsibilities

Facility Cleaning & Maintenance



  • Sweep, mop, and maintain floors throughout the school building.

  • Vacuum and shampoo carpets and rugs in classrooms, offices, and common areas.

  • Empty trash and recycling receptacles and ensure proper disposal of waste.

  • Dust, wipe, and polish windows, furniture, fixtures, and other surfaces.

  • Clean and sanitize classrooms, restrooms, hallways, offices, and shared spaces.

  • Replenish paper products, soap, and other custodial supplies as needed.


Facility Support



  • Assist with seasonal and deep-cleaning projects as directed by the Head Custodian.

  • Help with classroom, meeting, or event room setups and breakdowns when needed.

  • Maintain custodial equipment and supplies in good working condition.

  • Complete assigned tasks efficiently while maintaining high standards of cleanliness.


Safety & Communication



  • Report maintenance concerns, equipment issues, or safety hazards promptly to the Head Custodian.

  • Follow all cleaning, sanitation, and workplace safety procedures.

  • Use cleaning chemicals and equipment according to established safety guidelines.

  • Communicate scheduling needs, absences, or operational concerns with the Head Custodian and custodial team in a timely manner.


Catholic School Mission



  • Support the mission, values, and traditions of the Catholic Church and school.

  • Demonstrate professionalism, respect, and a spirit of service in all interactions.

  • Help maintain a welcoming and well-kept environment that supports learning and the faith community.

Job Requirements


  • High school diploma or equivalent preferred.

  • Previous custodial, janitorial, or facilities maintenance experience preferred but not required.

  • Ability to work independently and follow established cleaning schedules.

  • Dependable, punctual, and able to maintain a flexible part-time schedule.

  • Strong attention to detail and organizational skills.

  • Ability to communicate effectively with supervisors and coworkers.


The Archdiocese of St. Louis is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. All employment decisions are based on business needs, job requirements and individual qualifications without regard to race, color, religion, gender, national origin, age, marital, parental, veteran or disability status.  
 
Pre-Employment Screening 
All candidates receiving an employment offer must submit a pre-employment screening. The screening will include criminal background check, Family Care Safety Registration, drug screen, employment and educational licensure/certification verification, health screening, and any other screenings deemed necessary for employment. Any offer would be contingent upon successful completion of any required screening. 


Original job Custodian posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Share Job
Share Job

About the Company

Archdiocese Of St. Louis, Missouri

The Archdiocese of St. Louis is the spiritual home for Catholics in the St. Louis region, united in faith and service.

Read more about the company

Similar Custodian Jobs in the US

GrabJobs is the no1 job portal in the US, connecting you to thousands of jobs fast! Find the best jobs in the US, apply in 1 click and get a job today!

Mobile Apps

Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.