Construction Materials Tester; EPSA III - Denver

About CDOT

This position is only open to Colorado state residents.

New employees to the State will be paid biweekly. There are 26 biweekly pay periods in a year.

CDOT employees make a difference by providing freedom, connection, and experience to the traveling public, while also keeping them safe. The State of Colorado offers competitive medical, dental and vision insurance, life and disability insurance, and flexible spending and health savings accounts. Visit State of Colorado benefits for details, current premium rates and a summary video about benefits. The state also offers PERA retirement, great optional PERA plans such as 401K, a generous paid time off package of annual, sick, holiday and other leave, strong career growth, tuition reimbursement and professional development.

Perks include Colorado Employee Assistance Program (CSEAP) counseling, wellness, credit union membership and employee discount program. Visit CDOT Benefits for details. Some positions may qualify for Public Service Loan Forgiveness.

CDOT’s strength is our people, and our commitment to our people is to shape, support, and sustain the employee experience, and ultimately, create a supportive workplace where everyone, regardless of gender, race, ethnicity, religion, national origin, age, sexual orientation, gender identity, citizenship status, education, disability, socio‑economic status, or any other identity, has the opportunity to thrive.

The eligible list created from this announcement may be used to fill current and future vacancies for a period of up to 6 months.

The Engineering Assistant provides technical assistance to the Flexible Pavement Lab by implementing proper test procedures, operating lab equipment, recording test results and submitting test results to engineering support staff.

• Assists lab personnel perform Hot Mix Asphalt (HMA) testing in the Flex Lab according to the FMM and LMTP.
• Assists in performing Gradation and learn to perform Volumetric testing. Typical Gradation and Volumetric Tests performed are: CP 51 (Maximum Specific Gravity), CP 44 (Bulk Specific Gravity), CP 55 (Reducing HMA Field Samples to Testing Size), CP 31 (Sieve Analysis of Aggregates), CP 32 (Reducing Field Samples of Aggregates to Testing Size), CP‑L‑5120 (Asphalt Binder Content by Ignition Method), CP‑L‑5106 (Hveem Stability), CP‑L‑5115 (Density of Specimens Compacted by the Super Pave Gyratory Compactor), and CP‑L‑5109 (Resistance of Bituminous Mixture to Moisture Induced Damaged).
• Typical equipment used is:
  Vacuum Pumps, Bulk Tanks, Mechanical Splitters, Mechanical Shakers, Mechanical Washers, Ignition Ovens, Stabilometers, Gyratory Compactors, and Compression Machines.
• Receives, logs and distributes samples to the appropriate lab including a wide range of materials such as soils, aggregate, concrete, steel, asphalt cement, and asphalt mixes.
• Maintains, repairs and calibrates Flexible Pavement Lab testing equipment.
• Maintains calibration records according to American Association of State Highway and Transportation Officials (AASHTO) R18.
• Trains to check statewide CDOT laboratory testing equipment as directed by the lab Inspection Coordinator.
• Learns to perform annual AASHTO Material Reference Laboratory (AMRL) / Round Robin sample setups, testing, and reporting of test results.
• Other duties as assigned.

• Typical work schedule is 7:00 AM - 4:00 PM, Monday-Friday
• 5% in‑state/overnight travel to assist with inspections and assist in annual round robin sampling
• Exposure to hot, cold, wet, humid or wind conditions caused by the weather
• Required to drive CDOT vehicles
• May be required to drive during daytime working hours to pick up samples and lab supplies
• Exerts up to 50 lbs. of force occasionally, and/or up to 20 lbs. of force frequently, and/or up to 10 lbs. of force regularly to move objects
• Exposure to non‑weather related hot and cold temperatures
• Contact with water and other liquids or exposure to non‑weather related humid conditions
• Exposure to fumes, noxious odors, mists, gasses, dusts and poor ventilation that may affect the respirator system, eyes or the skin
• Proximity to moving…