Lab Supervisor

Job ID: 514513

APAC Central Inc., is a CRH company producing and providing crushed aggregate materials, sand, ready-mix concrete, asphalt, and performing as a regional heavy highway/infrastructure construction firm serving Arkansas, Oklahoma, and southern Missouri. APAC-Central, Inc. and its founding companies have been serving our customers since early in the 20th Century and look forward to continued success in the 21st Century!

Why Join Us?

Were a team that builds up what matters and we take pride in getting the details right. In this role, youll have the autonomy to own your process, lead a capable team, and play a vital role in delivering safe, reliable infrastructure. Youll also receive:

Competitive salary $70,300-$86,000, depedning on experience

Opportunities for advancement and technical training

A safety-first culture and supportive leadership.

What Youll Do

As our Quality Control Supervisor, youll lead the daily operations of our Quality Control Lab and field-testing efforts. Youll manage a team of lab technicians and ensure that our materials meet all required specs for safety, performance, and compliance. Your work will directly influence construction quality across roads, bridges, and other key infrastructure projects.

Your Key Responsibilities Will Include:

Supervising daily lab activities, including technician training and equipment/supply requisition

Overseeing and conducting lab testing on asphalt, concrete, and aggregates:

Designing and submitting mix designs for asphalt, concrete, and aggregates

Performing field testing including core sampling, density testing (nuclear gauge), and more

Handling all material certifications for internal and external clients

Acting as the main contact for DOTs, city/county agencies, and independent labs

Advising supervisors on test results and alerting them to deficiencies

Providing technical data and product information to sales and clients

Maintaining accurate documentation of results, reports, and communication

---

What You Bring to the Table

Bachelors degree or equivalent work experience (4+ years in Quality Control)

Solid understanding of construction material testing standards (ASTM, AASHTO, etc.)

Ability to lead a team and manage multiple priorities under tight deadlines

Comfortably using lab equipment, nuclear gauges, and working in both lab and field settings

Valid drivers license and willingness to travel to various job sites

---

Bonus Skills (Not Required but Preferred)

Familiarity with DOT specifications and material certification processes

Prior experience submitting mixed designs or test results for government contracts

---

Work Environment & Physical Requirements

Youll be hands-on in the lab and outdoors on active job sites. Conditions may involve:

Lifting up to 70 lbs., bending, climbing, and working with hand tools

Exposure to heat, cold, dust, fumes, and live traffic

Required PPE includes hard hat, safety vest, steel-toed boots, gloves, eye and hearing protection

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.

If youre up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

APAC Central Inc., 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.