# Construction Materials Testing (CMT) Laboratory Manager

> Geo-Technology Associates Inc. · Sterling, United States · Full-time · Posted 2026-03-27

**Workplace:** on_site

**Department:** Construction Observation and Testing (COT)

## Description

**Geo-Technology Associates, Inc. (GTA)** is currently seeking an experienced **LABORATORY MANAGER** for our **Construction Materials Testing (CMT)** Division in Sterling, Virginia. Laboratory Managers are responsible for training and oversight of people working in the lab, performance of laboratory testing, maintenance of laboratory equipment, quality assurance and productivity of the lab. Responsibilities include:

-   Train and supervise entry-level technicians for laboratory moisture-density relationships and
-   soil classiﬁcation as they relate to ﬁeld applications
-   Ensure accuracy of borings logs from ﬁeld based on visual classiﬁcation
-   Conduct moisture-density tests, sieve analysis (with or without hydrometers), limits testing, direct shear, unconﬁned compression, California Bearing Ratio (CBR), permeability, and consolidation tests in the laboratory
-   Perform compressive strength testing on concrete cylinders from ﬁeld
-   Calibrate and verify ﬁeld-testing equipment; maintain third-party calibration reports for laboratory equipment
-   Ensure all paperwork complies with the laboratory quality assurance manual. Compute, graph, and process laboratory data
-   Keep Quality Assurance manual updated to meet AMRL, CCRL, and WACEL standards
-   Maintain cleanliness and organization of laboratory
-   Enter lab units and billing information weekly

## Requirements

-   High School diploma or equivalent
-   5+ years of Lab Manager and construction materials testing experience.
-   Valid driver's license in good standing
-   WACEL, NICET, ACI certiﬁcations for ﬁeld and lab
-   Computer literacy in Microsoft Oﬃce, Outlook and Adobe
-   Ability to communicate eﬀectively with management and peers both verbally and in writing

## Benefits

We believe in taking care of our team—professionally, personally, and everything in between. Here’s what you can look forward to as part of our team:

-   **Competitive Salary** with generous **Paid Time Off** and **Paid Holidays** to support your work-life balance
-   **Annual Bonus Potential** – your hard work deserves to be rewarded
-   **Comprehensive Health Coverage** – including Medical, Dental, Vision, plus Health Savings and Flexible Spending Accounts
-   **Peace of Mind** – with Company-paid **Life Insurance** and both **Short- and Long-Term Disability Insurance**
-   **Invest in Your Future** – through our **401(k) with Company Match**
-   **Education Assistance Program** – helping you continue to grow and learn
-   **Employee Assistance Program** – free access to short-term counseling, financial coaching, legal consultations, life coaching, and more
-   **Peak Health Wellness Plan** – personalized nurse consultations, no-cost lab work, and ongoing wellness support
-   **Stay Connected & Inspired** – with **free memberships to professional societies**
-   **Professional Development** – Seminars, Conventions, Lunch & Learns, Mentoring, and Software Training to help you reach your goals
-   **Referral Bonuses** – bring great people on board and get rewarded
-   **Recognition That Matters** – we celebrate achievements big and small with our **Employee Recognition Program**
-   **Team Spirit & Fun** – enjoy company picnics, events, and a welcoming, supportive work environment

YOUR FUTURE AT GTA AWAITS!! Our greatest asset is our people. This includes people like you! We are actively seeking motivated individuals to work on a wide range of exciting and challenging projects. Our talented team enjoys numerous opportunities for professional growth and career advancement.

We ensure nondiscrimination and equal employment opportunity in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964, and all revisions and addendums thereof. #LI-Onsite

## Apply

[Apply at Geo-Technology Associates Inc.](https://apply.workable.com/geo-technology-associates-inc/j/C227E168D0/apply)

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