Mechanical Test Engineer

Johnson Controls•Milwaukee, WI
•Onsite

About The Position

RFA Engineering is seeking an experienced Mechanical Test Engineer to join its engineering team and work onsite at a customer's engineering and manufacturing facility near Milwaukee, Wisconsin. The engineer will manage product testing from requirements review through final reporting, using engineering tools and processes and collaborating with design engineering, product management, manufacturing, quality, customers, and third-party certification organizations. The role includes developing test plans and procedures, designing and verifying fixtures and laboratory setups, configuring instrumentation and data acquisition, conducting and monitoring tests, analyzing results, and maintaining traceable engineering records. Testing may include environmental, cycle and life, performance, functional, pressure, leak, and certification testing on prototype and production components. The engineer will also support certification activities, investigate test failures and field returns, maintain laboratory equipment and calibration records, improve testing workflows through automation, and communicate technical findings and recommendations. Occasional travel may be required for training, certification testing, or manufacturing issue resolution. This is a full-time position with a full benefit package and opportunities for professional growth, direct hire by customers, and additional opportunities within RFA Engineering. Visa sponsorship is not available. The stated pay range is $70,000–$85,000, commensurate with experience.

Requirements

  • Bachelor of Science degree in Mechanical Engineering or a related field.
  • Demonstrated experience, including internships, in product testing, validation, or laboratory engineering.
  • Hands-on experience with test instrumentation such as thermocouples, pressure transducers, multimeters, and data loggers.
  • Ability to create clear, repeatable test procedures and professional engineering test reports.
  • Mechanical aptitude and ability to understand electromechanical control systems.
  • Strong attention to detail and disciplined handling of test data and engineering records.
  • Working knowledge of Microsoft Excel and other Microsoft productivity tools.
  • Awareness of practical artificial intelligence applications in engineering workflows.
  • Ability to work effectively with customers and cross-functional, international teams.

Nice To Haves

  • Experience with environmental chambers, vibration or shock equipment, and cycle test stands.
  • Experience with LabVIEW, NI data acquisition hardware, Python, or similar test automation tools.
  • Working knowledge of UL, CSA, IEC, or ASHRAE standards related to controls or refrigeration components.
  • Experience with design validation, production validation, DVP&R, accelerated life testing, or test-to-failure methods.
  • Experience with pressure, leak, or refrigeration system testing, including proof, burst, helium leak, or pressure decay methods.
  • Knowledge of statistical analysis, Weibull or reliability analysis, design of experiments, and statistical process control.
  • Familiarity with ISO/IEC 17025 laboratory practices and calibration management.
  • Experience with Six Sigma, Lean manufacturing, Windchill, SAP, or Microsoft Project.

Responsibilities

  • Develop test plans and step-by-step procedures based on product requirements, customer specifications, and applicable agency standards.
  • Design, build, and verify test fixtures, test stands, and laboratory setups.
  • Configure data acquisition systems, sensors, and instrumentation to collect accurate, traceable test data.
  • Conduct environmental, cycle and life, performance, functional, pressure, leak, and certification testing on prototype and production components.
  • Monitor long-duration testing and document test conditions, equipment, samples, deviations, and results.
  • Analyze test data using statistical methods and compare results with requirements and acceptance criteria.
  • Prepare formal test reports documenting objectives, setups, methods, results, conclusions, and recommendations.
  • Coordinate product certification activities, including submittals, witness testing, follow-up inspections, and listing maintenance.
  • Investigate test failures and field returns, supporting root-cause analysis and corrective-action verification.
  • Maintain laboratory equipment, fixtures, calibration records, test logs, and data archives.
  • Improve test efficiency by automating data collection, analysis, and reporting where practical.
  • Present results and technical recommendations to engineering, quality, manufacturing, product management, and customer stakeholders.
  • Support occasional travel for technical training, certification testing, or manufacturing issue resolution.

Benefits

  • Health insurance
  • Dental insurance
  • Health Savings Account
  • Virtual health care (TelaDoc)
  • Vision insurance
  • Company-paid and supplemental life insurance
  • Company-paid long-term disability
  • Supplemental short-term disability
  • Retirement savings account with Traditional 401(k) and Roth 401(k)
  • Flexible Spending Plan
  • Dependent Care Bonus Plan for exempt employees
  • Paid Time Off (PTO)
  • Paid holidays
  • Bereavement leave
  • Employee Assistance Programs (EAP)
  • Education assistance
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