Test Engineer

MASS Tech LLC; Greensboro (NC); On-site; USD 70,000 - 105,000; Full time

Job summary

MASS Tech LLC, a Greensboro, NC-based technology and engineering company, seeks a detail-oriented Test Engineer to lead Siemens OpCenter testing before production deployment. You will define test strategy, develop test data, and drive quality across manufacturing, quality, and logistics operations.

You will manage integrations with ERP/PLC/SCADA, mentor testing resources, and report test status to ensure readiness for production.

Qualifications

• 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).

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.

Skills

Software testing

SQL

Test planning

Defect tracking

Mentoring

Education

Bachelor’s degree

Tools

Jira

Azure DevOps

Selenium

Tosca

Job description

Greensboro, United States | Posted on 05/07/2026

MASS Tech LLC is a Greensboro, North Carolina based technology and engineering company that makes AI and modern technology work for manufacturing businesses. We deliver practical solutions across product engineering, industrial digitalization, IoT, MES, automation, low code applications, data analytics, and AI powered operations - helping organizations improve productivity, quality, traceability, and decision making.

Our team combines deep manufacturing knowledge with emerging technologies to solve real operational challenges from the shop floor to the enterprise. We value collaboration, continuous learning, and hands-on problem solving, giving our people opportunities to work on meaningful projects, develop innovative solutions, and create measurable results for the industries we serve.

Job Description

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.

• 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.

Requirements

Essential 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).
• Competitive salary and performance-based bonus