Clarkson Construction Company is a leading firm in the heavy civil construction industry with a proud history of delivering complex infrastructure projects across the Kansas City and St. Louis regions. Our portfolio spans site development, grading, paving, and bridge construction, underscoring our commitment to excellence and innovation.

Clarkson Construction Company offers a supportive and dynamic work environment where innovation and hard work are recognized and rewarded. We believe in investing in our employees through professional development and advancement opportunities. Join us and be a part of a team that shapes the infrastructure in and around one of America's most vibrant cities.

Job Summary

The GPS Grade Checker is responsible for verifying and maintaining accurate grades on construction sites using both traditional surveying methods and GPS/machine control technology. This role serves as a critical link between field operations and digital design models, ensuring grading, excavation, and paving activities meet project specifications and tolerances.

Key Responsibilities

Grade Verification & Field Layout

• Verify and maintain grade using GPS rovers, total stations, lasers, and traditional methods.
• Set and check grade stakes for excavation, subgrade, base, and paving operations.
• Interpret plans, profiles, cross sections, and digital models to guide field operations.
• Communicate grade information clearly to equipment operators and field crews.

GPS & Machine Control Support

• Utilize GPS systems (Trimble, Topcon, Leica) to check and confirm elevations and alignment.
• Assist with machine control setup, calibration checks, and troubleshooting in the field.
• Validate GPS machine performance against known control points and benchmarks.
• Work with the GPS Coordinator to ensure correct models and files are being used onsite.

Survey & Data Coordination

• Assist in collecting field data and verifying accuracy of digital terrain models (DTMs).
• Cross-check field conditions against design surfaces and identify discrepancies.
• Support layout activities using GPS and total station equipment as needed.
• Maintain field records of grade checks, corrections, and tolerances.

Field Communication & Coordination

• Collaborate with superintendents, foremen, operators, and survey crews to maintain production and accuracy.
• Provide real-time feedback to crews to adjust grading operations.
• Escalate grade or model discrepancies to project leadership and GPS Coordinator.

Safety & Compliance

• Follow all company safety policies and participate in daily safety meetings.
• Ensure work is performed in compliance with project specifications and quality standards.

Qualifications

• High school diploma or equivalent required; technical training in surveying or construction preferred.
• 2–5+ years of experience in heavy civil construction, grading, or survey support.
• Experience with GPS machine control systems (Trimble, Topcon, Leica) preferred.
• Strong ability to read and interpret civil plans, grade sheets, and digital models.
• Familiarity with total stations, laser levels, and grade-checking tools.
• Basic understanding of construction math, elevations, and slopes.
• Strong attention to detail and problem-solving skills.
• Effective communication skills and ability to work with field crews.

Physical Requirements

• Ability to work outdoors in varying weather conditions.
• Frequent standing, walking, climbing, and bending.
• Ability to lift and/or move up to 50 lbs.

Clarkson Construction Company is an Equal Opportunity Employer (EOE). We provide equal employment opportunities to all qualified applicants and employees without regard to race, color, religion, national origin, ancestry, citizenship, age, mental or physical disability, pregnancy, sex, marital or domestic partnership status, veteran status, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable federal, state or local law, ordinance or regulation.

Equal Opportunity Employer
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