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Lehigh Hanson Quality Control Manager in Tehachapi, California

AutoReqId: 12729BR

Line Of Business: Cement Operations

Department: Quality

Primary Location: Tehachapi-CA

Job Posting:

The Role and the Company

Lehigh Hanson is North America’s leading supplier of cement, aggregates, ready mix concrete, and asphalt. We have hundreds of plants and thousands of employees working across the United States and Canada. We are also part of Heidelberg Cement Group, one of the world’s largest building materials companies.

The Quality Control Manager role is based in Tehachapi, California and reports directly to the Plant Manager.

What you’ll get to do

Supervise employees and activities of the quality control department

Determine laboratory strategy to align with plant and company goals and objectives for product quality

Serve as plant technical expert on cement quality

Provide training and support to lab personnel

Provide technical expertise to maintain, calibrate, and optimize the lab XRF and cross-belt analyzers to insure accurate and precise analysis of all materials

Monitor quality from the quarry through raw grinding, burning, cement grinding, and shipping utilizing statistical methods to track quality

Collaborate both proactively and reactively with production management to address concerns and make recommendations for improvements

Maintain up to date and accurate quality control records and lab reports

Foster a close working relationship with Sales & Marketing and customers

Ensure procedures are in accordance with all applicable CalTrans, NSF, ASTM, CSA and AASHTO requirements and specifications

Interpret quality control test results, isolate problems, and resolve them

Prepare and authorize letters of certification and mill test reports

Serve as liaison with other departments to adjust internal set points for process operations to maximize product quality

Ensure compliance requirements are met through organizational and procedural measures including implementation of Group guidelines, performing training, monitoring compliance, etc.

Evaluate potential beneficial use of raw materials for possible use in cement manufacturing process

Manage automated laboratory, Historian/LDMS/AMLA administration

Manage compliance with DOT certifications

Manage CIP efforts in the plant

Perform ball mill and separator inspections

Design and optimize ball mill charge

Essential Experience and Skills

Bachelor’s degree in Chemistry/Chemical Engineering or relevant technical discipline

At least 5 years of experience in the cement industry

Thorough understanding of cement chemistry, X-ray, advanced chemical, physical and microscopic analytical and testing procedures, XRF, Spectrophotometry, wet chemical methods, physical testing, and clinker/cement microscopy

In depth knowledge of relevant ASTM specifications and procedures

Excellent analytical skills and detail orientation

Strong interpersonal and organizational skills

Proficient in Microsoft Office

Strong Excel abilities

Preferred Experience and Skills

Quality control supervision


Inventory management systems

Familiarity with computer programming languages (macros, javascript, etc.)

Work Environment

Role operates in a manufacturing environment with moving mechanical equipment, inclement weather, heat, humidity, elevated noise levels, and dusty conditions.

What we have to offer

Competitive base salary and participation in our annual incentive plan

Highly competitive benefits programs

401k retirement savings plan with an automatic company contribution as well as matching contributions

On May 24, 2021, it was announced that Martin Marietta will acquire this business unit of Lehigh Hanson. The date for the transfer of the business is not yet known, but is anticipated to occur in the 3rd quarter of 2021. Once the transaction closes, employees of Lehigh Hanson in this business unit will become employees of Martin Marietta.



Employer Statement: Equal Opportunity Employer - Minority / Female / Veteran / Disabled