Lab Test Engineer

Position Summary
The Lab Test Engineer supports fire testing and certification projects for firestop systems by coordinating test programs and listing activities with UL and other third-party certification agencies. This role manages fire testing projects from initiation through final approval, including test planning, technical documentation, and listing development.
The Lab Test Engineer plays a key role in supporting firestop product development and certification programs by coordinating testing activities, preparing technical documentation, and supporting listing publication. This position emphasizes project execution, technical documentation, certification coordination, and technical support for new firestop systems and products.

Key Responsibilities
• Initiate and manage fire testing and certification projects from project setup through final approval and close-out
• Work with UL and other certification agencies to define project scope and coordinate project reviews and approvals
• Coordinate test schedules and project milestones with laboratory staff and engineering teams
• Track project status, comments, and action items to ensure timely progress and closure
• Travel to UL and third-party laboratories to coordinate and conduct fire testing projects
• Review test plans, assemblies, drawings, and procedures for compliance with applicable standards and project requirements
• Support firestop testing activities including through-penetration, joint, and perimeter fire containment systems
• Assist with fire test preparation including review of test assemblies and installation requirements
• Support laboratory testing activities and witness testing as required
• Compile, review, and finalize fire test reports, data packages, and supporting documentation for certification submittals
• Prepare and organize technical documentation required for certification projects
• Maintain project documentation in accordance with laboratory quality procedures
• Maintain accurate records of projects, listings, and supporting test documentation
• Support preparation, publication, and revision of certification listings based on approved test data
• Review certification listings for technical accuracy and consistency with approved test reports and project scope
• Address certification agency comments, clarifications, and non-conformances related to test reports or listings
• Track certification projects to ensure timely completion and approval
• Conduct competitive firestop system analysis to support testing strategy and listing development
• Evaluate competitor listings and test configurations to identify opportunities for new firestop systems and listing expansions
• Support development of new firestop listings that expand market opportunities
• Provide technical training and guidance to sales teams on new firestop listings and product applications
• Support rollout of new products and listings by preparing technical summaries and application guidance
• Assist sales and technical services teams with interpretation and application of firestop listings
• Maintain project and listing records in accordance with laboratory quality procedures
• Support laboratory audits and witness testing from a project coordination and documentation perspective
• Assist with documentation and corrective actions as required for laboratory compliance programs

Minimum Qualifications
• Bachelor’s degree in Mechanical Engineering, Civil Engineering, Fire Protection Engineering, or related engineering discipline

Preferred Requirement
• 2–5 years of engineering experience
• Experience with fire testing, construction materials, or building products
• Experience working with certification agencies such as UL or Intertek
• Experience with technical documentation and engineering reports

Skills
• Strong technical documentation and report-writing skills
• Ability to manage multiple projects and deadlines
• Strong organizational and project coordination skills
• Ability to interpret technical drawings and test assemblies
• Strong communication and teamwork skills
• Proficiency with Microsoft Office applications

Work Environment
• Combination of office and laboratory work
• Travel to third-party laboratories as required (approximately 10–20%)

Compensation: RectorSeal has an effective process for assessing market data and establishing ranges to ensure we remain competitive. You are paid within the salary range based on your experience and market position. Employees may be eligible for pay incentives based on overall corporate and individual performance or at the discretion of the CSWI Board of Directors.

Benefits: At RectorSeal, our employees enjoy the following benefits to support their physical, financial, and emotional wellness. These benefits include comprehensive medical, dental, and vision plans, 401(k), pension, life insurance, paid time off program with paid holidays, and various wellness programs.

About RectorSeal

Based in Houston, Texas, RectorSeal, LLC, is a wholly owned subsidiary of CSW Industrials, Inc. [NYSE: CSW] and is a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. For more information about RectorSeal’s innovative products and brands that increase efficiency and improve reliability, please visit .

About CSW Industrials
CSW Industrials is a diversified industrial growth company with industry-leading operations in three segments: Contractor Solutions, Specialized Reliability Solutions, and Engineered Building Solutions. CSW provides niche, value-added products with two essential commonalities: performance and reliability. The primary end markets we serve with our well-known brands include HVAC/R, plumbing, electrical, general industrial, architecturally-specified building products, energy, mining, and rail transportation.