Nathan Monzyk, Washington, has joined Byrne & Jones Construction’s micro-surfacing division as a project manager and estimator.

Monzyk has a degree in civil engineering from Missouri University of Science and Technology.

Byrne & Jones is a diversified St. Louis civil site contractor serving clients through six divisions — concrete, sports, asphalt, soil stabilization, marine and micro-surfacing.

Monzyk will provide project cost estimates and manage projects for the micro-surfacing division which serves commercial and municipal customers, building and maintaining parking lots, roads and highways.

Founded in 1976, Byrne & Jones Construction builds and maintains parking lots, roads and highways, athletic fields, running tracks, tennis courts, underground drainage systems and paved surfaces and performs a variety of marine construction.