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Disease Investigator Jobs (NOW HIRING)

Maricopa

Communicable Disease Investigator

Phoenix, AZ · Hybrid

$22.50 - $29.25/hr

As a Communicable Disease Investigator, you will play an important role in our efforts to reduce the rates of sexually transmitted infections (STIs) and human immunodeficiency virus (HIV) in Maricopa ...

City of New York

Case Investigator

Long Island City, NY · On-site

$70K - $80K/yr

The Division of Disease Control's mission is to safeguard the health of New Yorkers through ... Reporting to the Disease Investigation Unit's Team Lead and working with a team of Public Health ...

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How much do disease investigator jobs pay per year?

As of Sep 5, 2026, the average yearly pay for disease investigator in the United States is $75,325.00, according to ZipRecruiter salary data. Most workers in this role earn between $52,500.00 and $98,500.00 per year, depending on experience, location, and employer.

What is a disease investigator?

A Disease Investigator is a public health professional responsible for identifying, tracking, and preventing the spread of infectious diseases. They conduct interviews with patients, analyze data, and work with healthcare providers to determine sources of outbreaks. Their role often includes educating the public on disease prevention and ensuring compliance with health regulations. Disease Investigators play a crucial role in controlling public health crises and minimizing the impact of contagious illnesses.

What are the key skills and qualifications needed to thrive as a disease investigator?

To thrive as a Disease Investigator, you need a solid background in public health, epidemiology, and data analysis, typically supported by a relevant bachelor's or master's degree. Familiarity with outbreak investigation tools, case management systems, and statistical software such as SAS or Epi Info is often required. Strong attention to detail, excellent communication, and cultural competence are important soft skills for gathering accurate information and working with diverse communities. These capabilities are crucial for accurately identifying disease patterns, ensuring effective containment measures, and supporting public health initiatives.

What types of challenges might disease investigators face in the field?

Disease Investigators often encounter fast-paced situations, such as sudden disease outbreaks, which require quick and effective responses. You may face challenges like gathering data from reluctant interviewees, analyzing incomplete information, or navigating language and cultural barriers when working with diverse populations. Collaboration with public health officials, laboratories, and sometimes law enforcement is common, making teamwork and adaptability essential. Overcoming these challenges is rewarding, as your work directly contributes to controlling outbreaks and improving community health.

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Disease Investigator jobs near you
Infographic showing various Disease Investigator job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $75,325 per year, or $36.2 per hour.

Communicable Disease Investigator

Maricopa County, AZ

Phoenix, AZ • On-site

$22.50 - $36/hr

Full-time

Medical, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Posting Date
08/28/26
Application Deadline
09/01/26
Pay Range
Anticipated Hiring Range: $22.50 - $29.25 hourly
Full Range: $22.50 - $36.00 hourly
Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. The position is eligible for overtime compensation for all hours worked over 40 in the designated workweek.
Job Type
Contractor with Benefits
Department
Public Health
About the Position
Are you committed to serving your community?
As a Communicable Disease Investigator, you will play an important role in our efforts to reduce the rates of sexually transmitted infections (STIs) and human immunodeficiency virus (HIV) in Maricopa County! We will count on you to conduct case investigations, including identifying and interviewing contacts and providing testing recommendations and education to clients, medical providers, the community, and staff.
About Us
Come work for Maricopa County Department of Public Health, the 3rd largest health jurisdiction in the U.S.! MCDPH's mission is to increase the quality of life for our residents by collaborating with the community to develop and implement strategies, programs, and services addressing the emerging and changing needs of public health. We aim to serve Maricopa County residents with a focus on health equity and a data-driven approach to our work. We value our staff's unique skills and differences, as well as the varied experiences and disciplines we represent. Together, we are working towards our vision of creating a healthy, thriving Maricopa County for all.
Proud to Offer
  • Work with a greater purpose
  • Tuition reimbursement
  • Exceptional work-life balance, with hybrid work schedule options
  • Opportunities for growth and development within Maricopa County
  • Low-cost, high-value healthcare for you and your qualifying dependents
  • Child care benefits, including access to our on-site center, Maricopa County Kids Club, dedicated to serving Maricopa County families
  • Paid vacation, sick time, and parental leave
  • Extensive wellness program, including an incentive
  • Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring an 11.98% per paycheck contribution rate that includes a 100% employer match on Day 1
  • Want to learn more about the County's Qualifying and Compensation Philosophy? Follow this link to learn more! Work With Us | Maricopa County, AZ

We Require
  • Two years of experience conducting health field investigations, community outreach, and/or case management
  • Bachelor's degree in Health Promotion, Public Health, Medical Technology, Health Sciences, or a health-related field
  • A combination of post-secondary education and job-related experience may substitute for the minimum qualifications on a year-for-year basis

We Also Value
  • Experience working as a Communicable Disease Investigator for a local public health department or state health services agency
  • Experience working with the public, conducting health-related field investigations for communicable diseases
  • Experience working in a medical field, drawing blood, doing case investigative work, and/or interviewing or counseling clients
  • Experience working with various socioeconomic groups performing counseling or health education services
  • Experience working with STIs or epidemiological data related to STIs
  • Bilingual in English and Spanish

Job Contributions
  • Conduct confidential field and telephone investigations by researching, identifying, locating, and contacting individuals in Maricopa County who have been diagnosed with, or may have been exposed to, HIV and other sexually transmitted infections (STIs)
  • Notify clients of HIV and STI test results and refer them to appropriate medical providers for diagnosis, treatment, and ongoing care to reduce disease transmission and improve health outcomes
  • Interview individuals diagnosed with HIV or other STIs to obtain epidemiological information, including risk factors, disease history, and potential sources of exposure
  • Elicit, locate, notify, and interview sexual and other identified contacts of infected individuals to facilitate testing, treatment, and prevention services
  • Refer clients to appropriate internal and external agencies for medical care, follow-up services, case management, education, prevention, and supportive resources
  • Conduct follow-up activities with individuals previously diagnosed with HIV to ensure continued engagement in medical care and treatment
  • Create, maintain, and update case investigation records, documentation, and reports
  • Conduct community outreach and prevention activities targeting high-risk populations, including client recruitment, registration for testing services, prevention education, specimen collection, and venipuncture
  • Provide HIV prevention education and care navigation services to clients.

Working Conditions
  • Position requires extensive fieldwork in diverse communities, including driving to various locations within Maricopa County in a personal or County vehicle, in all weather conditions, walking long distances, climbing stairs, and reacting quickly to potentially unsafe situations
  • Position may be subjected to extreme temperatures, wetness, humidity, respiratory hazards, noise, vibration, moving mechanical parts, vibrations, fumes, odors, dust, poor ventilation, chemicals, oils, extreme temperatures, inadequate lighting, and workspace restrictions
  • Position requires traveling to and from job-related locations during a scheduled workday, subject to County policies regarding use of County vehicles and/or private vehicles on County business
  • Mileage reimbursement is available
  • Ability to exert up to 20 lbs. occasionally, 10 lbs. frequently, or negligible amounts constantly, and requires sitting, walking, and standing to a significant degree
  • Must be able to participate in emergency response training as scheduled and be available to respond as directed in the event of a public health emergency
  • Travel may also be required to attend conferences, training, and possibly varying work locations
  • Valid Arizona driver's license is required upon hire
  • Must secure and maintain an Arizona Department of Public Safety Level 1 Fingerprint Clearance Card and complete a background check
  • Within one month of hire, all employees will be required to provide evidence of immunity or receive immunizations for vaccine-preventable illnesses for any position within the Maricopa County Department of Public Health; required immunizations include MMR (measles, mumps, rubella), Tdap (whooping cough and diphtheria), Varicella (chickenpox), and annual Influenza; some positions require a Hepatitis B vaccine and/or a Tuberculosis test

Selection Procedure
  • Consideration will only be given to candidates who submit online applications
  • Candidates will be contacted primarily through email and their Workday online application profile
  • Must pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive

Maricopa County is an equal opportunity employer and is committed to providing equal employment opportunities to all applicants. If you require a reasonable accommodation during the application process or to perform the essential functions of the position under the Americans with Disabilities Act (ADA), please contact MHRFeedback@maricopa.gov to initiate the interactive process.
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