Air Quality Performance Testing Engineering Associate

Posting Date 09/21/26

Application Deadline

09/27/26

Pay Range

Hiring Range: $70,000 - $90,625 annually
Full Range: $70,000 - $111,250 annually

Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. This position is not eligible for overtime compensation.

Job Type

Unclassified

Department

Air Quality

About the Position

Are you looking for an opportunity to utilize your technical skills to solve challenging, complex, and varied engineering problems? Are you looking to expand your horizons and gain insight into diverse industries, while protecting your community from the harmful effects of air pollution?

Join our team of world-class engineers at our Air Quality Department! As an Air Quality Performance Test Engineer Associate, you will play a vital role in ensuring compliance with air quality regulations. Your responsibilities will include evaluating and processing performance test protocols, observing performance tests for various sources, and reviewing performance test reports.

Performance tests, also known as stack tests or source tests, are crucial for verifying that process equipment and control devices are operating correctly and meeting emission limits. Your work will directly contribute to the department’s mission to improve the air quality in Maricopa County so that customers, residents, and visitors can live, work, and play in a healthy environment.

About Us

Located in one of the fastest-growing and largest counties in the nation, the Maricopa County Air Quality Department continues to develop innovative programs and engage the community so customers, residents, and visitors can live, work, and play in a healthy environment. Air quality has improved significantly over the last 20 years, and the department remains committed to increasing compliance with air quality permits and regulations and strengthening the community's knowledge of air quality issues. From continually monitoring the air we breathe to permitting and inspecting sources of air pollution, developing award-winning school education and pollution reduction programs, and increasing outreach efforts, the department strives for excellence in all we do to meet our goals.

Proud To Offer

• Work with a greater purpose

• Tuition reimbursement

• Exceptional work-life balance

• 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 the 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% contribution rate per paycheck 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

• Bachelor's degree in Civil, Chemical, Environmental, Electrical, or Mechanical Engineering, or a closely related field

• A combination of post-secondary education and/or job-related experience may substitute for the education requirement on a year-for-year basis

Other Requirements

Successful candidates must possess, or have the ability to obtain, a valid Arizona driver's license by the time of hire.

We Also Value

• Experience in the following air quality permitting areas: Title V, Non-Title V, Prevention of Significant Deterioration, Major New Source Review, New Source Performance Standards, National Emission Standards for Hazardous Air Pollutants, and Best Available Control Technology requirements

• Certification as an Engineer-In-Training (EIT) through the Arizona State Board of Technical Registration

• Certification or training involving Mine Safety and Health Administration (MSHA), Hazardous Waste Operations and Emergency Response (HAZWOPER), or Occupational Safety and Health Administration (OSHA)

Job Contributions

• Review, approve, and disapprove performance test protocols and reports. Perform complex engineering calculations and analyses of the design and operation of various industrial processes and air pollution control equipment to assess and quantify emissions

• Observe and document performance tests, calibrations, and quality assurance processes to ensure the proper implementation of test methods

• Interpret and apply federal and local rules, test methods, and regulations pertaining to air quality

• Provide clear and accurate technical guidance to the regulated community, consultants, attorneys, other regulatory agencies, and the public regarding air quality regulations

• Collaborate with regulatory agencies such as USEPA, Arizona Department of Environmental Quality, and other Arizona counties for regulation interpretation and to provide input on regional issues

• Provide technical expertise to other departmental employees during rule development, permit writing, departmental policy and procedure development, inspection activities, and enforcement actions

• Other job duties as assigned

Working Conditions

• Exerting 20 - 25 pounds occasionally, 10 - 25 pounds frequently, or up to 10 pounds constantly

• The work will occur in an office and field environment. While performing the duties and responsibilities, the employee may be exposed to loud noise, noxious odors, unsanitary conditions, chemicals, electricity, moving mechanical parts, varying weather conditions, and other related conditions and situations. Position is subject to atmospheric conditions: fumes, odors, dust, mists, gases, or poor ventilation ​

• Must have the ability to move objects, lifting from the floor to the waist (up to 25 pounds) and pushing/pulling (up to 50 pounds). Must manage frequent interruptions, time pressures, high work volumes, multiple and complicated tasks, unscheduled tasks, team-oriented activities, prompt decision-making, and interaction with government officials and the public. Occasionally, ascends/descends ladders and stairways to access test locations. Must maintain concentration, accuracy, ethical behavior, and a professional demeanor at all times

Protective Equipment Required
Safety footwear, eye protection, hearing protection, a hard hat, a high-visibility vest, and safety gloves.

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 View email address on aiapply.co to initiate the interactive process.

Apply Now!