The Sr Industrial QA Automation Engineer reflects the blend of software testing, hardware integration, and industrial control systems expertise. This role involves testing and validating PLC, HMI, and SCADA software and hardware integrations, ensuring robust and reliable automation solutions in industrial environments.

This position will collaborate closely with product, managers, developers, and QA teams to define test requirement, design comprehensive test plans, and isolate complex defects. This role will enhance automation frameworks and drive continuous process improvements.

• Solid understanding of Software QA and Software development processes and methodologies - especially with working in an Agile environment with continuous integration/continuous delivery best practices.
• Isolate, replicate and report defects and verify defect fixes.
• Collaborate with product managers, developers, and other quality assurance engineers to identify test requirements from performance specifications.
• Design and develop test plans, test cases, and test scripts based on system requirements and architecture.
• Validate control system applications against functional and design specifications.
• Perform hardware and software integration testing involving PLCs, HMIs, VFDs, starters, sensors, and phase monitors.
• Troubleshoot and diagnose issues using electrical and networking tools.
• Stay current with industry trends and emerging technologies in performance engineering.
• Document workflow and work procedures.
• Other duties as assigned.

Education and Formal Training:

• Bachelor’s Degree in Computer Science, Engineering, or related field, (equivalent work experience accepted).

Experience:

• 5-7 years’ QA experience with at least 3 years of industrial automation systems.
• 3+ years’ experience performing SQL queries for reporting, data analysis and database testing using MySQL.
• Experience operating within an Agile/Scrum environment.
• Full Software Development Life Cycle (SDLC) experience.
• Highly proficient with Blackbox and Whitebox testing.
• Experience working with Jira or other TCMs.
• Experience with Linux and Linux command line.
• Strong knowledge of object-oriented programming practices and Model, View, Controller paradigm.
• Experience with programming and scripting languages and the ability to write/understand code (PHP, Java, JavaScript, Python, Bash, Golang, react).
• Ability to conduct root cause analysis.
• Strong understanding of system architecture, web technologies, APIs, and databases.
• Strong proficiency in CODESYS Structured Text and PLC-based control systems.
• Hands-on experience with HMI development (Vijeo Designer) and SCADA systems (AVEVA preferred).
• Solid understanding of industrial electrical hardware and networking protocols.
• Skilled in using diagnostic tools such as voltmeters and network analyzers.
• Experience with Git-based version control systems and Jira.
• Networking skills (Ethernet, Modbus TCP)
• Knowledge of CI/CD tools (e.g., Jenkins, GitLab CI) and version control systems (e.g., Git).
• Experience with cloud platforms (AWS, Azure, GCP).
• Experience with Schneider Electric and Wago PLCs.
• Familiarity with Copia Automation and CI/CD practices in industrial environments.
• ISTQB or equivalent certification in software testing.
• Prior Point-of-Sale (POS) experience from a support, QA and/or development side preferred but not required.
Materials, Tool, Platforms and Equipment Used:

• Office Equipment, Lab Equipment, Database & Query Software, Linux, and CRM/SAP System.
• PLC Programming: CODESYS (Structured Text)
• HMI Development: Vijeo Designer
• SCADA: AVEVA (in development)
• Version Control: Copia Automation (Git-based, integrated with Jira)
• Project Management: Jira
• Hardware: Schneider & Wago PLCs, HMIs, VFDs, starters, phase monitors
• Testing Equipment: Voltmeters, networking tools
• Protocols: Modbus TCP, Ethernet

Sonny's Enterprises is the world's largest manufacturer of conveyorized car wash equipment, parts, and supplies. We are the industry leader, recognized and awarded by the International Car Wash Association for innovating new technologies to advance the industry with products proudly designed and built in the USA. Our culture thrives on finding new and better ways to accelerate what’s next. We embrace change and the opportunity it produces to maximize the potential of our most valuable resource — our PEOPLE! We invite you to explore our opportunities and grow your career with us.

We offer 100% employer paid medical plan. Other optional benefit programs are available to our employees and their families which include: 401(k) match, additional medical plans, dental, vision, flex spending account, short-term and long-term disability & life insurance coverage.

EEO Statement

Equal Opportunity Employer

Sonny’s is proud to be an equal opportunity employer and is committed to maintaining a diverse and inclusive work environment. All qualified applicants will receive considerations for employment without regard to race, color, religion, sex, age, disability, marital status, familial status, sexual orientation, pregnancy, genetic information, gender identity, gender expression, national origin, ancestry, citizenship status, veteran status, and any other legally protected status under federal, state, or local anti-discrimination laws.

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