Mechanical Engineer - Firestop; Hybrid

Rector Seal Fire Test Lab
Houston, TX 77023, USA

Rector Seal is seeking a Mechanical Engineer to serve as a key technical contact across multiple firestop product lines. This role supports both internal teams and external clients by providing expert guidance on product selection, installation, and engineering judgments for unique site conditions. Occasional onsite visits may be required to resolve complex field issues. This role will be based at our Houston Fire Test Lab, located in Central Houston, Texas.

This will be a hybrid role requiring an on-site presence 3-4 times per week at the Lab or the Regional Houston office.

• Provide technical expertise and training with a focus on firestop products and applications.
• Act as a technical liaison between internal teams and external stakeholders, including customers, distributors, contractors, and inspectors.
• Respond to technical calls and emails from internal sales teams, distributors, and installers.
• Assist customers with product selection based on project requirements and firestop conditions.
• Provide installation recommendations and develop Engineering Judgments (EJs) for unique or non-standard field conditions.
• Conduct jobsite visits to evaluate firestop applications and assist with problem resolution.
• Support product certification efforts, including in-house firestop testing and documentation.
• Troubleshoot and identify root causes of technical issues in firestop installations.
• Ensure timely and accurate responses to technical inquiries regarding the use and application of Rector Seal firestop products.
• Deliver training and technical support to both internal staff and external customers.
• Stay current on firestop technologies, industry testing standards, building codes, and relevant regulations.
• Conduct competitive analysis of firestop products and systems to support product development and market positioning.
• Bachelor's degree in Engineering
• 1 year of recent engineering experience

• 3 years of experience in the firestop industry (e.g., fire testing, installation, inspection)
• 5 years of experience in the construction industry
• Ability to interpret technical drawings
• Familiarity with AutoCAD or Solid Works
• Strong verbal and written communication skills
• Passion for customer experience and problem solving

Rector Seal 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.

At Rector Seal, 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.

Based in Houston, Texas, Rector Seal, 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 Rector Seal’s innovative products and brands that increase efficiency and improve reliability, please visit  .

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.

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