System Test Engineer – Panel Systems (User Acceptance Testing) at Busek – Natick, MA ,01760, Massachusetts

Location: Natick, MA
Company: Busek Co. Inc.

Busek is seeking a System Test Engineer with strong experience testing complex panel-based systems, with an emphasis on user-driven verification, controls, and software-driven functionality. This role will focus on developing, executing, and documenting user acceptance test (UAT) procedures to ensure panel systems meet operational requirements and are ready for deployment. The ideal candidate has hands-on experience creating formal test scripts, coordinating with stakeholders, and validating system behavior from the end-user perspective.

• Develop, write, and maintain user acceptance test scripts and procedures for panel systems

• Execute UAT to ensure proper operation and usability of panel-based systems

• Perform functional and performance testing from the user/operator perspective, including control logic, I/O, and system interfaces

• Validate system behavior against operational and customer requirements

• Troubleshoot issues in coordination with systems, software, and electrical teams

• Document test results, generate formal UAT reports, and track resolutions

• Support user training, system integration, and acceptance testing

• Maintain traceability between user requirements and test cases

• Recommend improvements to test processes, documentation standards, and repeatability

• Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, or related field (or equivalent experience)

• Strong experience in user-focused system-level testing with panel-based or control systems

• Demonstrated experience writing formal UAT scripts and procedures

• Experience testing control logic, software-driven functionality, and I/O behavior

• Strong technical documentation and reporting skills

• Comfortable working in a lab or production test environment with end users

• Experience with aerospace, defense, or other high-reliability systems

• Familiarity with PLCs, embedded systems, or control software (as applicable)

• Experience with scripting or test automation (e.g., Python, LabVIEW, or similar)

• Knowledge of requirements management and UAT traceability

• Experience supporting both qualification and user acceptance testing

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement savings plan (401k)

• Professional development opportunities

• Collaborative and innovative work environment

• Opportunity to work on cutting-edge space propulsion technology

• Hands-on involvement in advanced mechanical design and spaceflight hardware

• Competitive salary and comprehensive benefits package

To comply with U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), employment at Busek requires that applicants be:

• A U.S. citizen

• A lawful U.S. permanent resident (i.e., current Green Card holder)

• A refugee or an individual granted asylum in the U.S.

• Or eligible to receive the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce

For more information about ITAR regulations, please visit the DDTC Public Portal.