Medical Assistance Specialist ; MAS​/MCS Lobby

Medical Assistance Specialist 3 (MAS3/MCS) – Lobby

This posting will be used to fill multiple positions. This recruitment is posted continuously. Application review will begin on July 20th, 2026, and you are encouraged to submit your application materials as soon as possible. The hiring manager reserves the right to close the posting at any time once a selection has been made.

This is an excellent opportunity to gain state experience while doing rewarding work by helping provide comprehensive health coverage to more than 2 million Washingtonians. Brush off those customer service skills and join HCA in making a difference! This position is full time, in person, Monday through Friday and generally work 8-5.

All HCA employees will apply an equity lens to their work, which may include but is not limited to all analyses of core business and processes.

About the division:

The Apple Health Services and Operations (AHSO) Division works across the HCA and in partnership with the health care community at local, state and federal levels, in order to develop, and manage high quality, and evidence-based health care programs and purchase services that enhance Washington State's citizens' ability to access appropriate, quality health care.

About the position:

This Medical Assistance Specialist 3 (MAS3) supports the HCA mission to provide access to medical care for all eligible Washington citizens. The position determines initial eligibility and/or ongoing individual and family medical eligibility for Medicaid Title XIX, Children's Health Insurance Program (CHIP) Title XXI program, and other Medicaid and state funded medical assistance programs available in Washington State.

This position is not eligible to telework, as physical in-office presence is required to perform essential functions. The default assigned work location of all Health Care Authority (HCA) positions – both on-site and telework eligible positions – is within the State of Washington. This position reports to Olympia, WA. Frequency of onsite work will vary based on business and operational needs.

HCA has currently suspended the ability to support out-of-state telework.

Some of what you will do:

• In the Medicaid Customer Service (MCS) division, independently analyze applications, determine initial and/or ongoing eligibility and authorize benefits for Medicaid programs administered by the Medical Eligibility Determination Services (MEDS) office.
• Independently determine initial and/or ongoing eligibility for Health Care Authority Medicaid Title XIX, CHIP Title XXI, and other Medicaid and state funded medical assistance programs administered by the MEDS office.
• Apply complex federal and state eligibility regulations published in WAC and RCW to specific household circumstances resulting in accurate eligibility decisions.
• Use and manage multiple interdependent electronic systems including but not limited to the Automated Client Eligibility System (ACES), Health Plan Finder , Provider One, Audit Plus, Microsoft Office, SOLQ, Document Management System (DMS) and Employment Security Department (ESD).
• Answer inquiries, resolve questions, update eligibility records and otherwise maintain and expand access to medical care for eligible Washington citizens.
• Participate in committees and project teams as requested. Participate in process improvement, team meetings, and employee problem solving to review office procedures and processes to streamline operations to improve performance and customer service in the MEDS office.
• Participate in specialized on the job training. Attend and complete training courses as directed by the agency.
• Attend and participate in staff meetings and other development functions.

Required qualifications:

Qualified candidates will meet one of the following criteria:

• Bachelor's degree.
• One (1) year of the experience as defined below.

• Associate's degree.
• Three (3) years of the experience as defined below.

• A Certificate of Medical Billing and Coding or closely related certificate program.
• Three (3) years of experience as defined below.

• Five (5) years of experience as defined below.

The experience required is one or a combination of the…