Planetarium Jobs (NOW HIRING)

Posting Details
Posting Details
Position Title
Professional Expert II
Position Type
Professional Expert
Hourly Rate
Please click the following link to view the current Temporary Employment Hourly Pay Schedules.
Posting Number
T-POST000001
Division
Natural Sciences
Department
Planetarium
Health & Welfare Benefits
Persons employed for temporary employment are not eligible to participate in the College's Health and Welfare plan or option fringe benefit plan in conjunction with their employment. Human Resources will track the eligibility requirements under the Affordable Care Act (ACA). Should a person meet the eligibility requirements, Human Resources will initiate an open enrollment period to enroll an ACA designated medical plan.
Current Work Schedule (days, hours)
10-16 hours per week. Generally, Tuesday-Friday, mornings and afternoons
Open Date
04/29/2026
Close Date
06/30/2026
Initial Screening Date
Open Until Filled
No
Inquiries/Contact:
For more details about this position, please contact:
Name: Heather Rookhuyzen
Title: Planetarium & Observatory Manager
E-mail: planetarium@mtsac.edu
Phone: (909) 274-5795
Mission & Vision Statement
Our Mission: The mission of Mt. San Antonio College is to support all students in achieving their educational goals in an environment of academic excellence. Specifically, the College is committed to providing quality education, services, and workforce training so that students become productive members of a diverse, sustainable, global society. The College pledges to prepare students for lifelong learning through the mastery of basic skills, the achievement of associate degrees and certificates, and the completion of career and transfer pathways. The College will carry out this commitment by providing an engaging and supportive teaching and learning environment for students of diverse origins, experiences, needs, abilities, and goals. The College is dedicated to serving our community through improving economic achievement, advancing civic engagement, enhancing personal well-being, promoting critical thinking, and enriching aesthetic and cultural experiences.
Our Vision: Mt. San Antonio College strives to be regarded as one of the premier community colleges in the nation. We will be viewed as a leader in community college teaching, programs, and services. As a premier community college, we will provide access to quality educational programs and services, focusing on student success within a climate of integrity and respect. We will earn this reputation by consistently exceeding the expectations of our students, our staff, and our community.
Mt. San Antonio College Mission and Goals
Demographics
We recruit and retain quality employees who are reflective of our students and the community we serve, in addition to providing all personnel with equity and diversity training."
The District is a proud Chicanx/Latinx, and Hispanic-Serving Institution, Asian American and Native American Pacific Islander-Serving Institution, and Minority Serving Institution, serving over 66,446 students based on the 2022-2023 academic year.
The student population is as follows:

• by Race/Ethnicity - 57.02% Latinx, 9.33% White, 19.36% Asian, 2.82% Filipino, 0.23% Pacific Islander, 3.33% Black/African American, 0.28% American Indian/Alaskan Native, 2.02% two or more races and 5.61% unknown;
• by Gender- 54.35% Female, 42.91% Male, 0.47% Non-Binary, 2.27% unspecified;
• and by Age - 46.03% ages 19 or younger, 20.37% ages 20-24, 9.05% ages 25-29, 5.64% ages 30-34, 3.87% ages 35-39, 5.04% ages 40-49, 10% ages 50 and older.

The current employee population is as follows:

• by Race/Ethnicity - 37% Latinx, 29% White, 15% Asian, 6% Black/African American, 1% Middle Eastern or North African, 1% Native Hawaiian or Other Pacific Islander, 2% Two or More Races, 9% unknown;
• by Gender - 56.47% Female, 42.19% Male, 1.34% Non-Binary;
• and by Age - 3.94% ages 20-29, 19.46% ages 30-39, 30.21% ages 40-49, 46.39% ages 50 and older.

Equal Employment Opportunity Policy
The College is an equal opportunity employer. The policy of the College is to encourage applications from ethnic and racial minorities, women, persons with disabilities, and Vietnam-era veterans. No person shall be denied employment because of race, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, marital status, sex (gender), age, sexual orientation, or the perception that a person has one or more of these characteristics.
The District works to create an inclusive environment that provides a safe-haven for international students, veterans, re-entry students, LGBTQIA+ students, and students of various learning styles regardless of citizenship status.
We are committed to hiring Faculty, Staff, and Management that understand how cultural diversity in the academic environment promotes academic excellence; fosters cultural, racial, and human understanding; and provides positive role models for all students.
2023-26 Equal Employment Opportunity Plan
Overview
The planetarium seeks a skilled individual to greet groups, present shows and operate planetarium equipment for visitors. Successful candidates will need to be able to speak comfortably in front of an audience, manage a crowd, and present information in an accessible way for an audience of many ages. Good general knowledge of space, planets, stars, deep space objects (DSO) and current events relating to space is required. We're looking for someone who is dependable and can work well on a team as well as be able to operate independently as needed. Light supervision work of other team members may be required.
Minimum Qualifications
Two years experience public speaking
Expansive knowledge of science and astronomy related topics - preferred candidates will have taken and passed a college-level astronomy course.
Application Procedure
Complete application packets will be accepted until the position is filled; however, applications submitted by 11:59 p.m. (PST) on the listed Close Date are assured consideration. Applicants must submit all of the following materials online:
1. Mt. San Antonio College online application.
2. A cover letter describing how the applicant meets the required education and experience.
3. A detailed resume that summarizes educational preparation and professional experience for the position.
4. College and/or university transcripts showing the awarded/conferred degree.
Essential Duties & Responsibilities
• Setup/cleanup for events
Preferred Qualifications
License(s) & Other Requirements
Working Environment:
Physical Demands
Hazards
Conditions of Employment
The person holding this position is required to be present on Mt. San Antonio College's campus to perform all essential duties and responsibilities.
Notice to all prospective employees - The person holding this position is considered a 'mandated reporter' under the California Child Abuse and Neglect Reporting Act and is required to comply with the requirements set forth in Administrative Procedure 3518, titled Child Abuse Reporting, as a condition of employment.
As required by the Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act, the Mt. San Antonio Community College Annual Security Report is available here: Mt. SAC Annual Security Report.
The person holding this position is considered a 'Responsible Employee' under Title IX of the Educational Amendments Act of 1972 and is required to report to the College's Title IX Coordinator all relevant details reported to him or her about an incident of alleged sexual misconduct including sexual harassment, sexual assault, dating and domestic violence and stalking.
Conflict of Interest
Mt. San Antonio College employees and the Board of Trustees members shall not engage in any employment or activity that is inconsistent with, incompatible with, or in conflict with Mt. San Antonio College's Administrative Procedures (AP 2710 Conflict of Interest, AP 2712 Conflict of Interest Codes).
District Rights
We reserve the right to re-open, re-advertise, delay, or cancel filling this position. This recruitment may be used to fill future vacancies.