Jobs › Northwestern Medicine

Blood Gas Technician, Full-Time, Evenings

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

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

Apply at Northwestern Medicine

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

Full time evenings in Chicago. How does that fit your life?

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

What would you do

A result comes back that does not fit the patient. What do you do?

What they are checking: The posting names identifying and correcting problems that adversely affect test performance.

What is thinner on an evening shift, and how do you work around it?

What they are checking: The posting is full time evenings, when engineering and senior staff are gone.

About the work

Tell me about laboratory work you have done.

What they are checking: The posting requires laboratory experience and a science background.

Walk me through running a blood gas and checking the result is valid.

What they are checking: The posting names performing exacting measurements on whole blood and other fluids.

How do you calibrate and maintain an analyzer?

What they are checking: The posting names preventative maintenance, calibrations and repairs on laboratory equipment.

How do you know a specimen is not suitable for a blood gas?

What they are checking: Air, clot and delay all ruin a blood gas and rejecting one is the right call.

What do you need to understand about ventilation to interpret a sample's context?

What they are checking: The posting names acquiring knowledge of respiratory therapy modalities and cardiopulmonary physiology.

How do you communicate an urgent result to a clinician?

What they are checking: The posting names communicating with physicians, nurses and therapists for optimal patient care.

How do you document a problem so the next shift knows about it?

What they are checking: The posting names documenting problems that may affect test performance or reporting.

Practice this interview out loud.

Offer builds a real interview for this exact role at Northwestern Medicine from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Northwestern Medicine.

The Blood Gas Technician reflects the mission, vision, and values of Northwestern Medicine, adheres to the organization's Code of Ethics and Corporate Compliance Program, and complies with all relevant policies, procedures, guidelines and all other regulatory and accreditation standards. Responsibilities: • Responsible for performing exacting laboratory measurements on whole blood supernatants and other fluids. • Performs preventative maintenance, calibrations and repairs on various lab equipment. • Identifies, corrects and documents problems that may adversely affect test performance or reporting. • Acquires specialized knowledge of Respiratory Therapy modalities and cardiopulmonary physiology essential for assessing the compatibility of laboratory data to the patient's condition. • Compiles daily statistics as directed. • Communicates with physicians, nurses, therapists and other clinical personnel to achieve optimal patient care Required: • Bachelor's degree or two years of college training in a health related science. • Laboratory 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.

Apply at Northwestern Medicine