Medical Assistant/Client Service Specialist, Mobile Immunization

Salary: Depends on Qualifications
Location : Houston, TX
Job Type: Grant-funded Full-time
Job Number: 16477
Department: Public Health Services
Division: Community Health & Wellness
Opening Date: 06/18/2026
Closing Date: 7/18/2026 9:59 AM Central


Position Description
If you're looking to be a part of a collaborative environment where your skills can make an impact, explore our current opportunities in creating a better future for public health.

About Harris County Public Health:
Harris County Public Health (HCPH) includes a network of more than 1,100 public health professionals working together to improve health outcomes for the third most populous county in the United States. HCPH provides a multitude of services such as medical and dental services, community programming, and health education for the approximately 2.3 million people in unincorporated Harris County. Through its core values of innovation, engagement, and health equity, HCPH strives to bring meaningful solutions to public health issues while keeping Harris County healthy and vibrant.
Our Values:
HCPH embraces a foundation of progressive work anchored by the department's cornerstone values guiding our work to improve community's health and well-being.

• Transparency - We share information openly and honestly so that staff, partners, and the community understand our actions and the reasons behind them.
• Integrity - Our actions reflect strong ethical principles, ensuring we remain trustworthy, accountable, and consistent with our mission.
• Respect - We foster a supportive environment by valuing diverse perspectives, listening intentionally, and treating people with dignity in every interaction.
• Impact - We focus our efforts on activities that improve health, reduce disparities, and create meaningful, measurable outcomes for the communities we serve.
• Collaboration - We actively partner across teams, disciplines, organizations, and communities to align our efforts toward common goals.

This is a grant-funded position.

Position Overview:
The Immunization Program Medical Assistant-Client Support Specialist (MA-CSS) will support health services provided to patients by ensuring quality patient care through immunization operations. Under the clinical guidance/oversight of the Immunization Program, the Immunization Program MA-CSS will be responsible for performing both front and back office duties, all clinical tasks are in accordance with all Harris County Public Health policies, and procedures as delegated by the Local Health Authority. Also performing clerical front desk duties to support the operations flow.

This position supports the Harris County Public Health Department (HCPH), and reports to the Mobile Immunization Assistant Program Manager. This position will work with our Mobile Immunization & Immunization Program teams, and will travel throughout Harris County.


Duties & Responsibilities:

• Assists with patient appointments by performing Immunization, phlebotomy (including capillary and venous draws), urine collection, pregnancy tests, lead testing, vital signs, & gathering patient histories.
• Perform clinic front office duties; scheduling, answering phone, and checking patients in/out as needed.
• Prepares and labels all patient specimens for transport to appropriate laboratories.
• Provides in-room support for all clinical staff during the clinic visits as needed, including assisting the provider during procedures.
• Maintains laboratory and exam rooms in a neat, clean, and orderly manner in accordance with infection control policies, and complete monthly inventory.
• Assists in performing data entry and electronic data processing by using the HCPH electronic medical record system (Epic), Microsoft Excel, and any other related programs/sites.
• Support the coordination of scheduling patients to receive services from Multidisciplinary team members.
• Interviews client to collect required information for eligibility determination, using grant and payor guidelines.

Harris County is an Equal Opportunity Employer

If you need special services or accommodations, please call View phone number on click.appcast.io or email View email address on click.appcast.io

This position is subject to a criminal history check. Only relevant convictions will be considered and, even when considered, may not automatically disqualify the candidate.
Requirements

Education:

• Completion of a community college or business/technical school Medical Assistant program.

Experience:

• Six (6) months of experience in a healthcare setting.
• Experience in phlebotomy.

Licenses/Certifications:

• American Heart Association CPR Certification.
• Valid Texas Driver's License.

Knowledge, Skills and Abilities:

• Proficient in MS Office Suite (Word, Excel, PowerPoint, Outlook)
• Excellent communication skills (verbal & written)
• Ability to establish and maintain effective working relationships and foster teamwork in a diverse environment
• Ability to maintain confidentiality when dealing with sensitive information
• Ability to work well with teammates
• Communicates clearly and effectively, both orally and in writing

Core Competencies:

• Data Analytics and Assessment Skills: Ability to use data to analyze community health needs and support decisions that improve community health outcomes.
• Communication Skills: This competency focuses on using clear and effective communication to engage audiences, address misinformation, and build trust, supporting informed decisions and stronger public health outcomes.
• Health Advancement Skills : This competency focuses on applying principles of equity, diversity, and inclusion to public health, addressing systemic barriers, and promoting fair access to resources for healthier communities.
• Community Partnership Skills: This competency focuses on collaborating with communities to address the systems and policies affecting health, fostering engagement, shared ownership, and sustainable improvements in well-being.
• Public Health Science Skills: This competency focuses on using public health science and evidence-based approaches to develop and improve policies and programs, ensuring effective delivery of the 10 Essential Public Health Services.

NOTE: Qualifying education, experience, knowledge, and skills must be documented on your job application. You may attach a resume to the application as supporting documentation but ONLY information stated on the application will be used for consideration. "See Resume" will not be accepted for qualifications

Preferences

Licenses/Certifications:

• Medical Assistant Certification.

Language:

• Bilingual (English/Spanish).

General Information
Position Type, and Typical Hours of Work:

• This is a full-time position, funded through special revenue.
• Days and hours of the position are typically Monday through Friday, from 8:00am to 5:00pm.
• 40 hours per week.
• This position may work weekends, early mornings, and evenings.

Work Environment:

• This position operates in a medical clinic environment. This position also operates in a standard office environment with standard equipment such as computers, phones, photocopiers.

Physical Demands:

• Persons in these positions frequently lift, carry, push, and pull objects weighing up to 10 lbs. They also occasionally move objects weighing up to 20 lbs., and sometimes, but rarely, up to 50 lbs.

Work Location:

• Harris County Public Health: Community Health & Wellness - This position operates in a mobile setting, traveling throughout Harris County jurisdiction.

Employment may be contingent on passing a drug screen and meeting other standards.

Due to a high volume of applications positions may close prior to the advertised closing date or at the discretion of the Hiring Department.

HARRIS COUNTY EMPLOYEE BENEFITS

Harris County offers a highly competitive benefits program, featuring a comprehensive group health plan and defined benefit retirement plan.
The following benefits are offered only to Harris County employees in regular (full-time) positions:
Health & Wellness Benefits

• Medical Coverage
• Dental Coverage
• Vision Coverage
• Wellness Plan
• Life Insurance
• Long-Term Disability (LTD) Insurance
• Employee Assistance Program (EAP)
• Healthcare Flexible Spending Account
• Dependent Care Flexible Spending Account

Paid Time Off (PTO)

• Ten (10) days of vacation leave per year (accrual rate increases after 5 years of service)
• Eleven (11) County-observed holidays
• One (1) floating holiday per year
• Paid Parental Leave*
• Sick Leave

Retirement Savings Benefit

• 457 Deferred Compensation Plan

The following benefits are available to Harris County employees in full-time and select part-time positions:

• Professional learning & development opportunities
• Retirement pension (TCDRS defined benefit plan)
• Flexible work schedule*
• METRO RideSponsor Program*

* Participation may vary by County department. The employee benefits plans of Harris County are extended to all eligible participants across various departments with the exception of the Harris County Community Supervision and Corrections Department, for which the cited Health & Wellness Benefits are administered through the State of Texas.
In accordance with the Harris County Personnel Regulations, group health and related benefits are subject to amendment or discontinuance at any time. Harris County Commissioners Court reserves the right to make benefit modifications on the County's behalf as needed.
For plan details, visit the Harris County Benefits & Wellness website:
01


Have you completed a Medical Assistant program at a community college or business/technical school?

• Yes, I have completed a Medical Assistant program at a community college.
• Yes, I have completed a Medical Assistant program at a business or technical school.
• No, but I am currently enrolled in a Medical Assistant program.
• No, I have not completed a Medical Assistant program.

02


Which of the following best describes your verifiable experience in a healthcare setting? (To be considered, the qualifying experience must be documented in your application's employment history)

• Less than six (6) months.
• Six (6) months or more.
• I do not have this experience.

03


Please provide details about your verifiable experience in a healthcare setting.Do not use "Please see Resume" or "See Resume" (To be considered, qualifying experience must be documented in your application's employment history) Please include your (a) role(s), (b) types of organizations, (c) scope of duties and responsibilities If you do not have this experience, please type "None" in the space provided.
04


Do you currently hold a valid CPR certification from the American Heart Association?

• Yes, I currently hold a valid CPR certification from the American Heart Association.
• No, but I hold a CPR certification from another recognized organization.
• No, but I am willing to obtain CPR certification from the American Heart Association prior to hire.
• No, I do not have CPR certification and am not willing to obtain it.

05


What is your level of experience with phlebotomy

• No experience, but willing to be trained.
• Limited experience.
• Moderate experience.
• Extensive experience.

06


Please provide details about your verifiable experience with phlebotomyDo not use "Please see Resume" or "See Resume" (To be considered, qualifying experience must be documented in your application's employment history) Please include your (a) role(s), (b) types of organizations, (c) scope of duties and responsibilities If you do not have this experience, please type "None" in the space provided.
07


This role requires a Valid Driver's License (Texas upon hire). Do you have a Valid Driver's License?

• I have a valid Texas driver's license.
• I have a valid driver's license from another state but can obtain a Texas license upon hire.
• I do not have a valid driver's license.

08


Are you bilingual in English and Spanish? If yes, what is your level of proficiency in Spanish?

• Yes, I am fluent in Spanish (speaking, reading, and writing).
• Yes, I am proficient in conversational Spanish only.
• Yes, I have basic knowledge of Spanish.
• No, I am not bilingual in English and Spanish.

09


Do you currently hold a Medical Assistant Certification?

• Yes, I hold a current and active Medical Assistant Certification.
• No, but I am in the process of obtaining it.
• No, I do not hold a Medical Assistant Certification

Required Question