Laboratory Manager

at Duffield Associates, Inc. in Wilmington, Delaware, United States

Job Description

Duffield Associates, LLC is an award-winning engineering and science consulting firm specializing in civil, environmental, and geotechnical engineering, construction consulting and testing services. Established in 1976, Duffield has grown to include a professional and technical staff of over 100 individuals. The firm’s headquarters is located in a historic barn and farmhouse in Pike Creek Valley outside of Wilmington, Delaware. We have regional offices in Georgetown and Dover, Delaware, Center City Philadelphia, Pennsylvania, and Bel Air, Maryland.

Duffield Associates is proud to offer a wide variety of benefits to our eligible employees. Each eligible employee receives a Benefit Contribution (enough to, potentially, cover 100% of a single employee’s medical coverage) to spend as he/she pleases on plans such as:

+ 5 choices of medical plans

+ Several choices of dental and vision insurance

+ Ancillary benefits such as: Life Insurance, critical illness, accident insurance, Teledoc, Pet insurance, Legal assistance.

Additional benefits:

+ Company provided Short-term and Long-term Disability

+ 401k and Roth 401k with company match of 50% of employee contribution up to 6%.

+ 8 paid holidays

+ Minimum of 80 hours of vacation plus 40 hours of sick time.

+ Recreation room with beverages on tap, espresso/cappuccino machine, pool table, and video games.

+ On-site gym.

+ Outreach activities such as blood drives, adopt-a-highway, American Heart Associations Awareness activities, etc.

We are looking for Laboratory Manager with experience in materials testing laboratory and geotechnical engineering to work in a diverse environment with a variety of clients and professionals. POSITION DUTIES AND RESPONSIBILITIES:

+ Managing daily operation of both a concrete and soils laboratory;

+ Perform various testing procedures including but not limited to soil moisture, moisture-density, grain-size analysis, Atterberg limits testing, direct shear testing, and concrete compressive strength testing;

+ Perform computations and graphing of laboratory results;

+ Maintain documentation, certifications, testing procedures, and supplies in an orderly manner that meets and maintains AASHTO and CCRL accreditations;

+ Maintain QA/QC procedures;

+ Calibrating of laboratory and field equipment ;

+ Train and supervise laboratory technicians.


+ Ability to maintain accurate records;

+ Basic math and computer skills;

+ Familiarity with and ability to comprehend applicable ASTM standards;

+ Ability to lift and/or move up to 60-80 pounds (soil and concrete samples, nuclear gauges, etc.);

+ Ability to stand for long periods of time;

+ Valid driver’s license and satisfactory driving record;

+ Participation in a pre-employment drug screening and background check.

+ Ability to work nights and weekends, as required;

+ Willingness to travel to projects within southeastern Pennsylvania, New Jersey, Maryland and Delaware;


+ Construction materials testing laboratory and/or soils laboratory testing experience;

+ ACI Concrete Strength Testing Technician certification;

+ Previous experience with GeoSystems software or equivalent .

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Job Posting: JC183806259

Posted On: May 16, 2021

Updated On: Sep 16, 2021