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On-Call Custodian



This position reports to the Custodial Supervisor/Manager and is responsible for the general cleanliness of the museum. Applicants must be available to work any assigned shifts.


Proper operation and maintenance of custodial equipment including but not limited to:
Floor machines, i.e. vacuums, scrubbers
Mops and mop buckets
Floor, wall, window squeegees
Ladders, step stools
Basic understanding of safety issues related to custodial work
Safety equipment for personal safety
Building occupant safety
Public safety
Clean and maintain all custodial stations: classrooms, office space, restrooms, entrance ways, work spaces, parking lots and food service areas
Collect trash/recycling/compost and dispose in proper receptacles
Dusting, high, intermediate and low areas
Sweeping, dust mopping, dry mopping, damp mopping, vacuuming
Shampooing, scrubbing, steam cleaning, stripping, waxing and sealing
Refilling supplies; paper dispensers, soap dispensers
Cleaning and disinfecting urinals, commodes, wash basins, partitions, windows and walls.
Use custodial equipment to carry out job responsibilities
Respond quickly to custodial messages
Additional custodial duties as required.

6 months custodial experience and/or successful completion of basic custodial training
Ability to lift and carry 25 pounds
Ability to bend and kneel, crawl, reach, move from place to place
Ability to climb and work on ladders
Ability to read, write and follow simple oral and written instructions


This position is available immediately. Applications will be received until all openings are full.

This is an on-call position that does not include benefits. Please, no phone calls in regards to the job. To apply, please visit the Exploratorium career page.

The Exploratorium is committed to providing equal employment without regard to race, color, religious expression, sex, sexual orientation, gender identity or expression, national origin, age, disability, ancestry, genetic information, citizenship, marital status, pregnancy, veterans status or any other class protected by applicable law.

The Exploratorium will consider for employment qualified applicants with arrest and conviction records pursuant to the San Francisco Fair Chance Ordinance.

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