Road / Earthwork Supervisor at O.K. Isokariari & Sons Nigeria Limited

Job Description

• The Road / Earthwork Supervisor is responsible for overseeing and directing on-site earthmoving, road construction, and civil earthwork operations.
• The role ensures that all road alignments, excavation, filling, sub-base, base course, and compaction activities are executed according to engineering specifications, project drawings, safety standards, and strict quality control measures.

Responsibilities
Field Operations & Site Execution:

• Direct and supervise day-to-day earthwork and road construction activities, including clearing, grubbing, excavation, embankment filling, grading, sub-grade preparation, and paving support.
• Coordinate the deployment, movement, and optimal utilization of heavy equipment (such as excavators, bulldozers, graders, wheel loaders, compactors/rollers, and water tankers).
• Ensure that construction lines, levels, grades, and slopes strictly conform to approved engineering drawings and surveyor markings.

Quality Control & Material Compliance:

• Monitor soil moisture levels, compaction density, and layer thickness during earth-filling and sub-base operations to meet engineering test standards.
• Coordinate closely with the Quality Control (QC) and materials testing team to conduct prompt field density and soil classification tests.
• Prevent the use of substandard fill materials and ensure proper aggregate selection for sub-base and base course layers.

Safety, Health, and Environmental (HSE) Compliance:

• Enforce strict compliance with Health, Safety, and Environmental (HSE) guidelines across all active earthwork zones.
• Maintain hazard-free traffic management layouts on site, ensuring safe movement for heavy trucks, equipment, and personnel.

Reporting and Documentation:

• Maintain a comprehensive daily site log detailing weather conditions, equipment deployment, ongoing earthwork activities, material deliveries, and workforce attendance.
• Report daily production outputs, milestones, and operational bottlenecks to the Project Manager or Site Engineer.

Requirements

• Education: Ordinary National Diploma (OND), Higher National Diploma (HND), or Trade Test/Certificate in Civil Engineering, Construction, or a related technical field.
• Experience: Minimum of 5 years of hands-on site supervision experience in road construction, civil earthworks, asphalt paving, or large-scale infrastructure projects.

Skills & Proficiencies:

• Deep technical understanding of heavy machinery operations (graders, rollers, excavators).
• Ability to read and interpret civil engineering drawings, profiles, and survey pegs.
• Strong leadership, conflict resolution, and crew management skills.
• Excellent physical fitness and resilience for demanding field and weather conditions.