Lab Supervisor

Sapphire Americas; Town of Florida (NY); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Health Insurance

Vision Insurance

Retirement Plan

Paid Time Off

Paid Holidays

Tuition Reimbursement

Employee Assistance Program

Disability Pay

Life Insurance

Growth Opportunities and more!

Job summary

Sapphire Americas, a CRH company, invites qualified candidates to join as Lab Supervisor at our Florida plant. You will provide daily guidance to lab staff, supervise technicians, and ensure quality control across chemical analyses and processing steps.

The role emphasizes safety, regulatory compliance, data reporting, and collaboration with plant management to maintain product quality and production targets. Domestic travel up to 25% may be required.

Qualifications

• Bachelor's degree in Chemistry or Chemical Engineering.
• 1 year of experience in a manufacturing lab.
• Ability to read and understand warning labels and signs.
• Proficient English communication.

Responsibilities

• Promote and follow all plant safety guidelines.
• Performs regular and special chemical analysis on samples.
• Reviews results of chemical and physical tests and adjusts quality to meet standards.
• Supervises and evaluates the work of laboratory personnel.
• Assists in purchasing lab equipment and supplies.
• Provides feedback on production to ensure product characteristics.

Skills

English communication

Education

Bachelor's degree in Chemistry or Chemical Engineering

Tools

Laboratory instrumentation

Job description

Career Opportunities: Lab Supervisor (529093)

Requisition ID529093-Posted09/21/2026-Americas Cement-Ash Grove Cement Company-Full Time-Quality-United States-Florida

Sapphire Americas, a CRH company and part of the Ash Grove family of companies, delivers innovative, circular solutions that help decarbonize industries and communities. We specialize in transforming residual and non-recyclable materials into alternative fuels and raw materials for cement manufacturing - offering a zero-landfill pathway that conserves natural resources and advances the circular economy. Through our work, we reduce landfill dependency, lower carbon emissions, and unlock long‑term environmental and economic value.

By turning waste into opportunity, Sapphire Americas is helping build a cleaner, more resilient future.

At Ash Grove Cement, people are our first priority. We offer a complete benefits package to include:

Health Insurance

Vision Insurance

Retirement Plan

Paid Time Off, Paid Holidays

Tuition Reimbursement

Employee Assistance Program

Disability Pay

Life Insurance

Growth Opportunities and more!

Summary:

The Lab Supervisor provides daily guidance to lab personnel in direct support of their duties and responsibilities. The position exercises direct supervision over all laboratory personnel at the plant. The Lab Supervisor must remain available to assist with lab and processing problems.The Lab Supervisor provides daily guidance to lab personnel in direct support of their duties and responsibilities. The Lab Supervisor must remain available to assist with lab and processing problems.

What you’ll be contributing:

• Promote and follow all plant safety guidelines.
• Performs regular and special chemical analysis on samples.
• Reviews results of chemical and physical tests performed and takes necessary actions to adjust the quality to meet established standards and plant quality and production objectives.
• Supervises and evaluates the job performance of laboratory personnel, including disciplinary action.
• Establishes, communicates, and assigns job responsibilities to plant laboratory employees
• Assists in purchasing various lab equipment and supplies for chemical testing.
• Provides constant feedback on the production process to ensure desired product characteristics.
• Conducts regular inspections of plant operations to determine probable causes of product quality fluctuations or to detect unusual conditions.
• Formulates mixed calculations or performs special computations for laboratory control measures.
• Makes chemical solutions for use in chemical analysis.
• Retains and updates laboratory research data and documentation on the lab computer. Prepares reports, graphs, and charts as requested by plant management.
• Prepares and sends samples for compliance with wastewater treatment regulatory guidelines. Performs various tests on similar samples at the plant.
• Ensures that QC and QA measures are being implemented on all analytical testing along with maintaining written or electronic archival of the same.
• Orders supplies needed for laboratory activities.
• Assigns and evaluates the work of all lab technicians with support from the Quality Control Manager.
• Prepares first-aid reports, orders first-aid supplies, and ensures safety standards compliance.
• Additional duties as assigned by supervisor.

To succeed in this position, you will need:

• Minimum 4 year - Bachelors Degreein Chemistry or Chemical Engineering
• Minimum 1 year of experience in a manufacturing lab environment
• Ability to read, write, and understand warning labels, instructions, signs, etc.
• Proficient in English written, verbal communication and listening skills.
• Ability to demonstrates a high commitment to quality
• Knowledge of theories, procedures and guidelines pertaining to the fields of chemistry, physics, and mathematics.
• Proficient with instrumentation analysis and wet chemical analysis.
• Ability to use a computer to store data and generate reports.
• Ability to be exposed to confidential information which may have a competitive or patentable value to the company or its customers.
• Ability to make sound independent judgments regularly
• Ability to be exposed to toxic and corrosive chemicals on a daily basis.
• Domestic Travel up to 25%

What’s next for you?

We provide stability and advancement opportunities across North America. Use our tuition reimbursement program to help you meet your career goals.

What CRH Offers You

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

The above duties and responsibilities are representative of the nature and level of work assigned and are not necessarily all-inclusive. The physical demands, working environment, and other conditions of employment listed in this document are representative of but are not intended to provide an exhaustive list of the requirements for positions in this classification. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Sapphire Americas, a CRH Company, is an affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.