Changing Aspen Leaves - RMNP

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County Offices are also closed on Friday, November 27 while the Courts, District Attorney, Landfill, Household Hazardous Waste, and Recycle Center are open. Critical services at Larimer County will not be disrupted by this closure.

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Description Detail

R&B Senior Operator III

Min Hourly Max Hourly Min Monthly Max Monthly Min Salary Max Salary
$17.69 $24.76 $3,066.21 $4,291.65 $36,787.00 $51,501.00


An employee who operates a variety of heavy equipment and multi-axle trucks used in the repair, maintenance, and construction of native, gravel and paved roads as well as the associated structures, and appurtenances. May be assigned to any work activity at any location in Larimer County at the discretion of the Road and Bridge Director.

Employees in these classifications are expected to have a significant amount of heavy equipment operating experience. Employees in these classifications operate the primary pieces of equipment, as shown below satisfactorily. They must also be appropriately licensed and capable of productively operating the equipment included in the secondary category.

Senior Heavy Equipment Operator III:

  • Primary: 2nd (rough) Blade.
  • Secondary: All equipment types included in lower classified positions (Senior, Journeyman and Apprentice Heavy Equipment Operator Series).


The following statements are illustrative of the duties and responsibilities of the job. The organization retains the right to modify or change the duties and responsibilities of the job at any time.   

  • Receives direct supervision from Team Leaders.
  • Receives indirect supervision from Functional Group Managers.
  • May exercise direct and indirect supervision over field operations personnel.

Essential Functions:

  • Comply with MSHA, DOT, Colorado 811 and other applicable safety regulations and procedures.
  • Ensure project rules, procedures, applicable laws and regulations are followed.
  • Ensure all work meets departmental expectations.
  • Establish and maintain positive and effective working relationships with those contacted in the performance of required duties.
  • Operate heavy construction equipment as assigned.
  • Plow snow and participate in snow and ice control activities.
  • Subject to non-restrictive call back 24 hours a day, 365 days of the year for situations including but not limited to snow plowing, wild-land fires, floods and other occurrences.
  • Supports departmental vision, mission, goals, objectives, policy and procedures.

Specific Essential Functions:
Required Essential Functions of Apprentice and Journey Series as well as:

  • Calibrate chip spreader to the proper spread rate of rock for depth and width by using computerized and push button controls.
  • Drive and operate a self propelled aggregate rock chip spreader to maintain existing paved surfaces and construct new all weather surfaces.
  • Fill hopper with proper amount of rock.
  • Hook-up to and release from trucks via lever operated hitch.
  • Operate spreader and communicates with truck drivers for safety and operational consistency.
  • Operate spreader in a straight line and uniformly around curves so as not to spread rock outside of the meet line (match line) of previously sprayed asphalt emulsion by controlling the speed, gates and steering of the chip spreader.
  • Operate spreader with consistency on starts and stops by acceleration, speed reduction, gate control, etc. so as not to leave rough transverse joints.
  • Start engine, shift gears, press pedals and turn steering wheel to perform driving functions.
  • Transition smoothly between truck loads.
  • Connect and adjust hoses, linkages, belts, shafts, etc. to provide power take-off abilities.
  • Drive bulldozer in successive passes over terrain to raise or lower terrain to specified grade following markings on grade stakes or hand signals.
  • Fasten attachments to tractor.
  • Move levers to control tool bars and attachments.
  • Observe markings on ground, hand signals, or grade stakes to remove material.
  • Operate power-driven machine, equipped with movable hoe or shovel (front or back mounted, pull or push to fill bucket), to excavate or move dirt, rock, sand, and other materials.
  • Operate tractor (rubber-tired or track-type) equipped with front mounted blade to gouge out, push, transport, level and distribute earth, rocks, trees, structures and etc. in preparation and during the construction and maintenance of roads, pits, quarries, etc.
  • Push levers and depress pedals to move machine, to lower and push/pull bucket into material to be loaded and to lift, swing and dump contents of bucket into truck, railcar, or onto conveyor, hopper, or stockpile with minimal spillage.
  • Push other pieces of equipment as intended for their efficient operation.
  • Designated Motor Grader (Rough Blade).
  • Drive blade and move levers to regulate height and angle of grader blade, to raise and lower scarifier or ripper that loosens packed material to permit grading, and to tilt front wheels when making sharp turns or working on steep or slick surfaces.
  • Drive blade in successive passes over working area and observes reference stakes, slope meter or hand signals of assisting worker, to level surface.
  • Operate self propelled blade (grader, road grader, motor grader) to spread, remove, plow, doze and level dirt, gravel, hot and cold mix asphalt, snow, ice, stone, etc. to specifications in maintenance and construction of earthwork structures such as ditches, slopes, highways, streets, dikes, and temporary roads.
  • Perform rough grading.
Other Duties:
  • Perform other duties as assigned or necessary for performance of the job.

Knowledge, Skills, & Abilities:
Knowledge of:
Principals and practices of:

  • Applicable Code of Federal Regulations.
  • Applicable Colorado Revised Statutes and Regulations.
  • Construction and realignment earthwork.
  • Gravel and native surface roadway maintenance, repair and construction.
  • Larimer County approved computer programs as needed.
  • Mine Safety and Health Administration Regulations.
  • Record keeping and reporting procedures.
  • Roadside drainage systems.
  • Roadway structures maintenance, repair and construction.
  • Safe work practices and work zone traffic safety.
  • Snow and ice control.
  • Street/highway maintenance, repair and construction and work zone practices.

Ability to:

  • Apply effective customer service skills in a variety of circumstances.
  • Apply effective problems solving skills in a variety of circumstances.
  • Demonstrate effective interpersonal communication skills.
  • Establish and maintain effective working relationships with those contacted in the performance of required duties.
  • Follow verbal and written instructions.
  • Haul and place road maintenance and construction materials.
  • Maintain and construct drainage structures.
  • Maintain and construct native and gravel surface roads.
  • Maintain and construct paved roads.
  • Maintain and construct roadway drainage systems.
  • Operate heavy construction equipment and motor vehicles
  • Participate in construction and realignment earthwork.
  • Produce and mine aggregate materials.
  • Read, interpret, and apply written directives including manual provisions.
  • Read, write, and speak to communicate effectively in U.S. English per 49 C.F.R. Section 391.11(b)(2).
  • Respond appropriately to public inquiries and complaints.
  • Work independently in the absence of supervision.


  • High school diploma or equivalent. Each year of relevant progressively more responsible experience in the highway/street construction or maintenance field may substitute for one year of the education requirement. High School Diploma or GED Preferred.
  • Four years of heavy equipment operating experience in the road maintenance/road construction industry including asphalt roadway construction or maintenance, roadway structure construction or maintenance, road drainage structure construction or maintenance, roadside drainage systems, production of aggregate materials, hauling and placing of roadway maintenance and construction materials, and work zone practices.
  • Possession and ability to maintain a Colorado Class "A" CDL Driver's License with air brake, "X" -Haz-Mat/tanker endorsements without "K" -intrastate only or "NTT" -no/Trctr/Trlr restriction(s).
  • Possession of, and ability to maintain a DOT Medical Certificate.
  • Ability to obtain a Colorado Flaggers Certification within six months of employment.

Physical Requirements:

  • Must be able to operate heavy equipment and a motor vehicle.
  • Must be able to lift, carry, drag, or push boxes or equipment up to 135 pounds.
  • Must be able to use grease gun to lube equipment, use hand tools to service crusher, remove/replace guards and rails, requires upper body forces of up to 40 lbs.
  • Must be able to engage trigger on distributor and/or crack fill wand, use power tools and wire cutters requiring coupling forces up to 70 lbs.
  • Must be able to stoop, bend, stretch, twist, reach, kneel, squat, and balance repetitively.
  • Must be able to climb ladders to get into and out of crusher and vehicle/heavy equipment.
  • Must be able to tarp loads, pull open a truck's hood and other equipment requiring 100 pounds of force.
  • Must be able to sit, stand, or walk for long periods of time.
  • Must be able to work in a day light and night environment.
  • Must be able to work in hazardous or dangerous work areas or situations.
  • Must be able to work outdoors in an extreme hot, cold, dry or wet environment.
  • Must be able to walk for long distances on uneven, sloped terrain in all weather conditions.
  • Must be able to negotiate flights of stairs to reach upper story offices.
  • Must be able to work under stressful situations including operation of equipment in bad weather or other difficult conditions (i.e. heights, limited head room).
  • Must be able multi-task and make independent decisions.
  • Must have acceptable vision for computer duties, performing pre/post trip inspection, driving trucks, operating heavy equipment, shovel/raking roadway materials, setting up signs/cones, installing right-of-way fencing, maintaining bridges/guardrails/culverts/roadside drainage, operating the crusher plant, weed whacking and trimming trees. Must have acceptable hearing to hear on the telephone and in public contacts.
  • Must have appropriate voice skills to be clearly understood on the telephone, radio, and in public contacts.
  • Must have fine and gross motor skills and full use of fingers, hands, and arms to perform computer, writing and heavy equipment operating duties.
  • Must have good cognitive skills and awareness of work accuracy.
  • Must possess and maintain a DOT Medical Certificate.

Background Image: Changing Aspen Leaves in Rocky Mountain National Park by Jeremy Hollis. All rights reserved.