Career Opportunities

Holy Trinity High School is committed to hiring exceptional faculty and staff who have a passion for excellence and a commitment to serving. Explore the current openings.

Job Opening: Long-term Permanent Substitute Teacher

This position for the rest of the 2025-2026 school year. The first 3 months will be as a substitute for a math teacher on leave, after that as a default substitute in any class. The candidate must understand the content and be able to explain, present, and support students with the high school math curriculum. Candidates must create and manage the classroom in a positive manner, respecting the dignity of all. Each Teacher/Employee understands,  accepts, and articulates the Mission Statement of Holy Trinity High School and provides for a program of supervision, instruction, and evaluation of students charged to his/her care. 

Duties and Responsibilities

• Teaches a schedule of classes and performs other assigned duties as determined by the School such as: 
  • conduct an advisory program 
  • supervise the cafeteria
  • supervise study groups 
  • be available for student tutorial assistance and consultation 
  • accept substitution coverage for other classes duty when needed
  • supervise assigned student workers
• Gets involved in leading and organizing after school activities/clubs.
• Maintains accurate attendance records for all teaching and supervisory periods.
• Supervises hallways and common areas during all passing periods and at dismissal.
• Communicates on a regular basis with parents/guardians and sponsors regarding their students’ progress.
• Keeps abreast of new developments in educational research and teaching field through conferences, journals, workshops, etc.
• Attends and participates in all faculty meetings.
• Fully participates in the school improvement process (SIP).
• Provides supervision at extracurricular events as needed.  All Faculty and Staff must supervise at least three athletic events per year and one social event per semester.
• Provides for academic tutoring for students at risk of failure.
• Provides for a safe and controlled environment conducive to the learning process.
• Upholds all policies as outlined in the Student Handbook and Employee Handbook. 
• Attends and participates at one of the student retreats during the academic year.
• Plans and implements lessons congruent to curriculum guidelines.
• Attends Fall Parent Meetings, Back-to-School Night, Parent-Teacher Conferences, Open Houses, one Ninth Grade Entrance Test day and one of the Ninth Grade Registration days, the Senior Robing, Honors Programs, and Graduation, and other mandatory events.
• Agrees to support the Guardians of Hope major fundraising event by either attending the event and/or by helping with the preparation for or clean up from the event.
• Maintains or works toward completing certification as required.
• Fulfills other tasks as assigned by the Administration
• Comply with the Archdiocese of Chicago Protecting God’s Children Requirements (Background Screening, Fingerprinting, VIRTUS Training, CANTS, Code of Conduct)

Non-Discrimination Policy

Holy Trinity High School will not engage in discrimination or harassment against any person because of race, color, religion, sex, national origin, ancestry, age, order of protection status, genetic information, marital status, disability, sexual orientation including gender identity, unfavorable discharge from the military or status as a protected veteran and will comply with all federal and state nondiscrimination, equal opportunity and affirmative action laws, orders, and regulations. This nondiscrimination policy applies to student admissions and employment.

We invite you to become a part of our community and Holy Trinity High School makes a deliberate effort to employ faculty and staff of diverse races, ethnicities, and backgrounds. 

Resumes can be sent to humanresources@holytrinity-hs.org. No phone calls please.

Job Type: Full-time
Pay: $40,000 – $50,000 depending on experience level.
Benefits: Medical, Dental and Vision, 403b, Life, Short-Term and Long-term Disability insurance.