Supervises and assists staff in maintaining park grounds, athletic fields, recreational facilities, and related facilities; mows and edges park grounds, baseball/softball fields, and football/soccer fields; drags and grooms baseball/softball fields; measures, marks, lays out, and paints playing fields; paints foul lines and foul poles; repairs pitching rubbers, home plates, and bases; maintains infield areas by removing rocks, shifting/adding dirt, or filling in low areas; applies infield conditioner; maintains/top dresses turf; inspects and rakes sand around playground areas; aerates, seeds, fertilizes, and waters grounds; installs sod; applies herbicides and pesticides; rakes ground surfaces; disposes of litter and removes debris from grounds; repairs nets of tennis courts and basketball courts; installs or repairs fences; assembles and cleans bleachers, benches, and picnic tables; erects or paints trash cans; installs, replaces, and repairs sprinkler systems and sprinkler heads; lays rock and concrete block around landscaped areas; cuts down trees/shrubs; burns tree limbs and debris; digs holes/trenches and shovels/spreads materials. Supervises and assists with operation of a variety of machinery, equipment, and tools associated with projects and work activities, which may include a utility truck, tractor, bobcat, aerator, sod cutter, tiller, field drag, mower, field rake, weed eater, edger, seed spreader, leaf blower, hedge trimmer, vacuum cleaner, paint machine, pressure washer, tile saw, chain saw, circular saw, grinder, drill, welder, shovel, rake, post hole digger, janitorial tools, gardening tools, mechanic tools, hand tools, ladder, or two-way radio.