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Mark DiRenzo 

Mark DiRenzo

HR Generalist
Human Resources

I love working at ACC because we are all motivated for one common goal; Student Success from top to bottom and in between. We don’t just say our goal is student success, you can feel that we all live it!


ACC Advisor assisting a student


ACC employees provide our students with the opportunity to succeed and Move Mountains. If you have the desire to join a team of professional educators, we invite you to explore the available opportunities and learn more about how you might contribute to the success of our students.


ACC's culture of achievement acts as a pathway to success for our students. As an ACC team member, you will be an integral part of helping students meet their educational and professional goals. If you are a faculty member working primarily in the classroom or a staff member providing education support services, the goal of student success as a driving purpose is the same. ACC is the right place for you if you share the desire to join a team of professional educators that do more for students and the community.


Working at ACC allows you to actively engage with students and the community. You will be more than an employee; you will be part of a team that strives to provide a rigorous education that helps students meet their goals. ACC employees pride themselves on contributing to a culture of excellence as demonstrated through numerous recognitions. Our Nursing and Automotive Technology Programs, as well as Progenitor, ACC’s award-winning art and literary journal, have all recently garnered national acclaim for excellence and achievement in their respective disciplines. Our Veteran Services Center opened in the spring of 2013, offering camaraderie, resources and support for currently-enrolled student veterans. In fact, ACC has been named to a nationally-renown “Military Friendly Schools” list for several years running. ACC is the right place for you if you share the desire to be more for the students and community.


ACC provides employees a wide variety of professional growth opportunities. From the first year faculty mentoring program, the master teacher certificate, or seminars and workshops offered through ACC’s Center for Professional Enrichment, employees are encouraged to embrace the strategic direction of lifelong learning. ACC is the right place for you if you share the desire to continuously grow more in your profession.


**Important information about applying online**

Remove all graphic images from resumes before uploading them into the system; the system does not support them.

The system allows approximately 60 minutes to complete the application process.
Please note: The system does not allow you to save incomplete applications. After 5 minutes of inactivity, the process will time out. Additionally, your progress will not be saved.

However, the system will warn you at approximately 55 minutes that you have 5 minutes remaining. If you click the OK button within the session's 5 remaining minutes, your time will start over again providing an additional 60 minutes to complete the application process. If you do not take action within this 5 minute window, you will timeout and then be redirected to either the login or welcome page. Again, your progress will not be saved. Do not forget to submit your completed application in order to save!

Use the back button in your browser to get back to the previous page in the application.

If you are uploading transcripts, please be sure to redact your birth year, gender and social security number.

If you are experiencing technical difficulties during your application process, please contact SILKROAD at 866.803.9663 or email to: Please note that you will need to establish a support ticket for assistance.



Arapahoe Community College (ACC) is an equal opportunity employer and does not unlawfully discriminate on the
basis of race, sex, creed, color, age, national origin, sexual orientation, religion, veteran status or individual disability
in the admission or access to, treatment of, or employment in, its educational programs or activities. The College
complies with regulations of:

  • Title VI and Title VII of the Civil Rights Act of 1964
  • Title IX of the Education Amendments Act of 1972 in regard to sex discrimination
  • Section 504 of the Vocational Rehabilitation Act of 1973 in regard to disability discrimination
  • Legal update: Fair Labor Laws and Pregnant Workers Fairness Act: Fair Labor Laws and Pregnant Workers Fairness Act

We comply with other applicable Federal and State laws and regulations pertaining to discrimination.

Inquiries or specific complaints of alleged discrimination concerning the Equal Opportunity policy and/or compliance
with Federal and State regulations should be directed to ACC's Director of Human Resources, Arapahoe Community College, 5900 South Santa Fe Drive, P.O. Box 9002, Littleton, Colorado 80160-9002, phone 303.797.5715. Inquiries or specific student complaints of alleged discrimination concerning academic accommodations provided in the classroom or through ACC's Office of Disability Services should be directed to the College's Dean of Students (who also functions as the ADA Coordinator for Academic Accommodations), Arapahoe Community College, 5900 South Santa Fe Drive, P.O. Box 9002, Littleton, Colorado 80160-9002, phone 303.797.5601. Complaints may also be filed with the Vice President for Legal Affairs and Vocational Education Administration, Colorado Community College System, 9101 East Lowry Blvd., Denver, Colorado 80230-6011, phone 303.595.1549; or the Office for Civil Rights, U.S. Department of Education, Region VIII, Federal Office Building, 1244 Speer Blvd., Suite 310, Denver, Colorado 80204, phone 303.844.5695.

NOTICE TO ALL APLICANTS: The State of Colorado must comply with the Immigration Reform and Control Act of
1986. If hired, you will be required to provide documents to show your identity and authorization to work. This law

The Arapahoe Community College ("College") is a state system community college governed by the State Board
for Community Colleges and Occupational Education ("Board"). The Board requires the College to comply with
the Drug Free Schools and Communities Amendments of 1989 (PL 101-P226 in Federal law). A copy of this program
is available in the College's Human Resources office.

For information regarding Arapahoe Community College Security, including crime statistics for the
campus and surrounding area, please see the ACC Campus Police website under "Campus Security":

Clery Act

Crime Statistics

For a hard copy report, please contact 303.797.5800.

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