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Human Machine Interface Jobs in Arizona (NOW HIRING)

Production Operator

Queen Creek, AZ · On-site

$16.75 - $20.25/hr

Familiarity with operating automated production equipment or control systems such as Human Machine Interface and Programmable Logic Controllers, a plus. * Experience in powder handling, chemical ...

Production Technician

Tolleson, AZ · On-site

$17 - $21/hr

Assesscauseof system stoppage and return to service using Human/Machine Interface (HMI) and manual intervention. * Assistother team members in the operation of systems troubleshooting. * Analyze ...

Production Operator

Queen Creek, AZ · On-site

$16.75 - $20.25/hr

Familiarity with operating automated production equipment or control systems such as Human Machine Interface and Programmable Logic Controllers, a plus. * Experience in powder handling, chemical ...

Production Operator

Queen Creek, AZ · On-site

$16.75 - $20.25/hr

Familiarity with operating automated production equipment or control systems such as Human Machine Interface and Programmable Logic Controllers, a plus. * Experience in powder handling, chemical ...

Experience supporting display systems, flight deck systems, or human-machine interface technologies. * Experience with requirements traceability and verification processes across the full software ...

Production Operator

Queen Creek, AZ · On-site

$16.75 - $20.25/hr

Familiarity with operating automated production equipment or control systems such as Human Machine Interface and Programmable Logic Controllers, a plus. * Experience in powder handling, chemical ...

Design, develop, modify, and maintain Programmable Logic Controller (PLC), Human Machine Interface (HMI), and Supervisory Control and Data Acquisition (SCADA) applications supporting concentrator ...

Production Technician

Tolleson, AZ · On-site

$17 - $21/hr

Assess cause of system stoppage and return to service using Human/Machine Interface (HMI) and manual intervention. * Assist other team members in the operation of systems troubleshooting. * Analyze ...

Showing results 41-60

Human Machine Interface information

See Arizona salary details

$12

$21

$28

How much do human machine interface jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for human machine interface in Arizona is $21.27, according to ZipRecruiter salary data. Most workers in this role earn between $18.37 and $23.75 per hour, depending on experience, location, and employer.

What is a human machine interface?

A Human Machine Interface (HMI) is a user interface or dashboard that connects a person to a machine, system, or device. It allows operators to interact with and control industrial equipment, visualize data, and monitor processes in real time. HMIs are widely used in manufacturing, energy, transportation, and other industries to increase efficiency and safety. They can range from simple touchscreens to complex software applications integrated with other control systems.

What are the key skills and qualifications needed to thrive as a human machine interface engineer?

To thrive as a Human Machine Interface (HMI) Engineer, you need a solid background in computer science, electrical engineering, or a related field, along with expertise in user interface (UI) and user experience (UX) design. Familiarity with HMI software platforms (such as Siemens WinCC or Rockwell FactoryTalk), programming languages (like C++, Java, or Python), and relevant certifications are typically required. Strong problem-solving abilities, creativity, and effective communication skills help HMI Engineers design intuitive and efficient interfaces for end users. These skills are crucial for developing safe, reliable, and user-friendly systems that optimize human interaction with complex machines.

What are some common challenges faced by human machine interface professionals when collaborating with multidisciplinary teams?

HMI professionals often work closely with engineers, software developers, UX/UI designers, and end users, which can present challenges in aligning technical requirements with usability and design goals. Navigating differing priorities—such as balancing system performance with user-friendly interfaces—requires strong communication and negotiation skills. Additionally, HMI specialists must stay adaptable to rapidly evolving technologies and industry standards, ensuring seamless integration across hardware and software platforms. Building consensus and fostering effective teamwork are crucial for delivering successful HMI solutions.

What is the difference between Human Machine Interface vs Control Systems Engineer?

AspectHuman Machine InterfaceControl Systems Engineer
Required CredentialsTypically technical certifications, HMI software trainingEngineering degree, control systems certifications
Work EnvironmentManufacturing, industrial, automation settingsIndustrial plants, automation projects
Employer & Industry UsageManufacturers, automation companiesProcess industries, automation firms
Common Search & ComparisonYesNo

Human Machine Interface (HMI) professionals focus on designing and implementing user interfaces for industrial machines, ensuring operators can interact effectively with equipment. Control Systems Engineers develop and maintain control algorithms and systems that automate processes. While both roles work within industrial automation, HMI specialists concentrate on user interfaces, whereas Control Systems Engineers focus on system control logic and integration.

What does a human machine interface do?

A Human Machine Interface (HMI) is a device or software that allows operators to interact with machinery or industrial systems, providing controls, displays, and data visualization. HMI professionals design, program, and maintain these interfaces to ensure efficient and safe operation of equipment, often using tools like SCADA systems and PLCs. They play a key role in automation and control environments.

What are popular job titles related to Human Machine Interface jobs in Arizona?

For Human Machine Interface jobs in Arizona, the most frequently searched job titles are:

What job categories do people searching Human Machine Interface jobs in Arizona look for?

The top searched job categories for Human Machine Interface jobs in Arizona are:

Infographic showing various Human Machine Interface job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $44,235 per year, or $21.3 per hour.

Control Systems Engineer - Regional Wastewater Reclamation

Pima County

Tucson, AZ • On-site

$87K - $121K/yr

Other

Posted 3 days ago

New


Pima County rating

7.8

Company rating: 7.8 out of 10

Based on 34 frontline employees who took The Breakroom Quiz

451st of 846 rated public administrative organizations


Job description

Job Description Summary
Department - Regional Wastewater ReclamationJob Description
OPEN UNTIL FILLED
Job Type: Classified
Job Classification: 1171 - Control Systems Engineer
Salary Grade: 17
Pay Range
Hiring Range: $87,110 - $104,561 Annually
Pay Range: $87,110 - $121,992 Annually
Range Explanation:
  • Hiring Range is an estimate of where you can receive an offer. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, education, licenses, training, and internal equity.
  • Pay Range is the entire compensation range for the position.

The first review of applications will be on 08/28/2026.
The Control Systems Engineer, serving as a senior technical leader within Regional Wastewater Reclamation Department, drives high level system design, automation strategy, and continuous process optimization across municipal infrastructure. This position plays a pivotal role in leading Capital Improvement Program (CIP) projects guiding new capital builds from initial engineering design and contractor oversight through to full operational integration. By safeguarding network cybersecurity, advanced SCADA architecture, and PLC control logic, the role ensures long-term operational resilience and regulatory compliance across critical public works systems.
This classification is in the unclassified service and is exempt from the Pima County Merit System Rules.
Essential Functions:
As defined under the Americans with Disabilities Act, this classification may include any of the following tasks, knowledge, skills, and other characteristics. This list is ILLUSTRATIVE ONLY and is not a comprehensive listing of all functions and tasks performed by incumbents of this class. Work assignments may vary depending on the department's need and will be communicated to the applicant or incumbent by the supervisor.
  • Maintains and troubleshoots Supervisory Control and Data Acquisition (SCADA) platforms within the WW Department;
  • Plans, prepares, and develops/constructs Human Machine Interface (HMI) and Operator Interface Terminal (OIT) systems;
  • Understands object-orientated programming (OOP) and scripts in computer languages such as C#, C++, VB.NET, Python;
  • Prepares detailed control narratives, designs, and programs and updates ladder logic, function block diagrams, and structured text within Programmable Logic Controller (PLC) to provide control of various wastewater unit operations (pumps, motors, blowers, valves, chemical dosing and analyzing systems, etc.);
  • Routinely maintains flow meters, pressure sensors, pH/conductivity probes, level sensors, and telemetry, including calibration and performance verification;
  • Configures and secures industrial communication systems-Ethernet/IP, Modbus, Profibus, fiber networks, radios, and cellular telemetry-linking remote sites to central control rooms;
  • Formally reviews engineering plans and specifications, selects control hardware/software, and coordinates with contractors to ensure new facilities integrate correctly with existing systems;
  • Analyzes operational data, streamlines automation logic, tunes control loops, and recommends equipment upgrades;
  • Assists water/wastewater plant operators, maintenance teams, and facilities staff to ensure they understand system behavior, can resolve issues, and operate equipment safely;
  • Redlines engineered drawings and updates control schematics, network diagrams, O&M manuals, asset lists, and change logs.

Minimum Qualifications:
Bachelor's degree from an accredited college or university with a major in electrical engineering, control systems engineering, mechanical engineering, industrial engineering, civil engineering, computer engineering or a related field as determined by the department head at the time of recruitment AND two years of experience performing control systems duties within wastewater/water treatment or related public works facilities.
(Relevant experience and/or education from an accredited college or university may be substituted)
OR:
Four years with Pima County in an Instrumentation Process Control Coordinator II position OR two years with Pima County in an Instrumentation Process Control Supervisor position.
Qualifying education and experience must be clearly documented in the "Education" and "Work Experience" sections of the application. Do not substitute a resume for your application or write "see resume" on your application.
Preferred Qualifications: (Be specific in describing your experience in your application. Ensure the descriptions provided illustrate your competencies, specifically addressing the required and preferred qualifications.):

  • Minimum five (5) years experience as a Control Systems Engineer or in a related field, such as electrical engineering.
  • Minimum five (5) years experience in PLC programming and control logic for system design.
  • Minimum five (5) years experience in SCADA platform and HMI/OIT system design.
  • Minimum five (5) years experience in industrial communication networks and cybersecurity.
  • Minimum five (5) years experience in engineering plan review and capital integration.
  • Minimum five (5) years experience in software scripting and object-oriented programming.
  • Minimum five (5) years experience in system optimization, documentation, and operations support.
  • Minimum five (5) years experience in field instrumentation and sensor maintenance.

Selection Procedure:
Pima County Human Resources Department reserves the right to admit to the selection process only those candidates that meet the minimum qualifications. All applications will be assessed based on an evaluation of the listed education and experience. Candidates meeting the minimum qualifications may be further evaluated/scored against any advertised Preferred Qualifications. The hiring authority will interview and select the successful candidate from a referral list provided by Human Resources. Additional assessments/testing may be required as part of the selection process.
Supplemental Information:
Licenses and Certificates: Valid driver license is required at time of application. Valid AZ driver license is required at time of appointment. The successful applicant will be subject to a 39-month DOT Motor Vehicle Record review to determine applicant's suitability to operate county vehicles in accordance with Pima County administrative procedures. Failure to obtain and maintain the required licenses and certifications shall be grounds for termination. Any offer of employment resulting from this recruitment is contingent upon Fleet Services' review and approval of the candidate's driving record.
Special Notice Items: The County requires pre-employment background checks. Successful candidates will receive a post-offer, pre-employment background screening to include verification of work history, education, and criminal conviction history. A prior criminal conviction will not automatically disqualify a candidate from employment with the County. Some positions may require satisfactory completion of a personal background investigation by the court or law enforcement agencies, due to the need for access to County Attorney and Court facilities, records, and communication systems. This position will require a post-job offer physical and/or drug screen.
Physical/Sensory Requirements: Physical and sensory requirements will be determined by position. Action Activity - reaching; Motion Activity - fine movement; Hearing Activity - in noisy areas; Speaking Activity - in person, on the phone and on a radio; Vision Activity - may be required to opearte a motor vehicle, distinguish colors, have depth perception and peripheral vision.
Working Conditions: May respond to alarms after hours to restore service quickly. Other working conditions will be determined by position.
EEO Information: Pima County Government is an Equal Employment Opportunity employer. We are committed to an inclusive and diverse workforce and will not discriminate in employment opportunities or practices on the basis of race, color, religion, national origin, age, disability, gender, sexual orientation, kinship, political interest, or any other characteristic protected by law.

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