Test Engineer

MASS Tech is seeking a detail-oriented Test Engineer to lead testing efforts for Siemens OpCenter configurations, customizations, and integrations prior to production deployment. This role will ensure the delivery of a high-quality, reliable MES solution across manufacturing, quality, and logistics operations. The ideal candidate will combine strong technical expertise with a passion for quality assurance and continuous improvement.Roles & Responsibilities• Define and own the testing strategy, including unit, integration, regression, performance, and UAT testing.• Develop and maintain test cases, scripts, and test data for OpCenter modules.• Lead execution of testing activities across manufacturing, quality, and logistics functional areas.• Validate integrations between OpCenter and external systems (ERP, PLC, SCADA).• Identify, track, and manage defects using test management and tracking tools.• Mentor and guide testing resources, ensuring alignment with testing standards and execution practices.• Provide test status reporting and collaborate with cross-functional teams to ensure production readiness.RequirementsEssential Qualifications • Bachelor’s degree in Computer Science, Engineering, Information Systems, or related field (or equivalent experience).• 4+ years of software testing experience.• Minimum 2 years of experience testing MES/MOM or similar enterprise systems.• Strong experience with SQL and validating data across integrated systems.• Proficiency with defect tracking and test management tools (e.g., Jira, Azure DevOps).Preferred Experience & Skills• Hands-on experience with Siemens OpCenter modules (Discrete, Quality, Logistics, Manufacturing).• Background in automotive or battery manufacturing environments.• Experience with test automation tools or frameworks (e.g., Selenium, Tosca).• ISTQB or similar testing certification.Benefits Competitive salary and performance-based bonus Paid time off and holiday policy Professional development stipend Parental leave and healthcare coverage