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CT Scan Tech, Full-Time Nights

Northwestern Medicine · Chicago, IL · Full time · Health Care Provider

Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Three twelve-hour nights, half past eight in the evening to seven, thirty-six hours a week in Chicago. How does that fit your life?

What they are checking: The posting states the shift, the hours and the site.

What would you do

A patient has a contrast reaction overnight. What do you do?

What they are checking: Nights mean fewer people, and the technologist acts first.

Overnight you also handle orders and scheduling. How do you balance that with scanning?

What they are checking: The posting names clerical tasks including receiving orders, scheduling and recordkeeping.

Overnight you may be the only technologist. How do you decide what comes first?

What they are checking: Night CT means the emergency department, the floors and trauma all at once.

About the work

Tell me about your CT experience.

What they are checking: The posting prefers one year of experience and ARRT registry in CT or MRI.

Walk me through administering contrast and what you check first.

What they are checking: The posting names administering oral and IV contrast per policy and patient history indicators.

How do you position and immobilize a patient who is in pain?

What they are checking: The posting names positioning and immobilizing the patient on the examining table.

How do you review images to be sure the study is diagnostic?

What they are checking: The posting names viewing images to ensure quality before producing radiographs.

Tell me about performing equipment quality assurance and keeping the logs.

What they are checking: The posting names performing CT equipment QA and maintaining required logs.

Where are you with your ARRT, IEMA and BLS?

What they are checking: The posting requires all three.

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The full job description

As published by Northwestern Medicine.

This is a full-time night position scheduled for 36 hours per week. The CT Tech will be required to work three (3) 12-hour shifts from 8:30 p.m. to 7:00 a.m . RESPONSIBILITIES • Positions and immobilizes patient on examining table. • Administers contrast media oral and/or IV contrast in accordance with department policies and procedures, patient history indicators, exam protocols and physician orders and follows through with post exam instructions. • Enters data such as type of scan, slice thickness, scan time and other technical data into computer. • Communicates with patient before and during procedure; monitors safety, comfort. • Views images of organs or tissue on video display screen to ensure quality of pictures; produces radiographs. • Performs CT equipment QA and maintains required logs. • Performs clerical tasks such as receiving orders, scheduling patients, and recordkeeping. • Maintains and cleans work area and equipment; replenishes supplies as needed Required: • ARRT • IEMA Division of Nuclear Safety • BLS through American Heart Association • 2 to 3 years of undergraduate education or equivalent Preferred : • ARRT registry in CT or MRI • 1 year experience Northwestern Medicine is an equal opportunity employer (disability, VETS) and does not discriminate in hiring or employment on the basis of age, sex, race, color, religion, national origin, gender identity, veteran status, disability, sexual orientation or any other protected status. Background Check Northwestern Medicine conducts a background check that includes criminal history on newly hired team members and, at times, internal transfers. If you are offered a position with us, you will be required to complete an authorization and disclosure form that gives Northwestern Medicine permission to run the background check. Results are evaluated on a case-by-case basis, and we follow all local, state, and federal laws, including the Illinois Health Care Worker Background Check Act. Artificial Intelligence Disclosure Artificial Intelligence (AI) tools may be used in some portions of the candidate review process for this position, however, all employment decisions will be made by a person. Benefits We offer a wide range of benefits that provide employees with tools and resources to improve their physical, emotional, and financial well-being while providing protection for unexpected life events. Please visit our Benefits section to learn more. Sign-on Bonus Eligibility (if sign-on bonus offered for position): Internal employees and rehires who left Northwestern Medicine within 1 year are not eligible for the sign on bonus. Exception: New graduate internal employees seeking their first licensed clinical position at NM may be eligible depending upon the job family.

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