Field Construction Supervisor – Fiber Optic Projects

Mainline; Columbia (SC); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

Full Benefits Package

Company Paid Life Insurance

Career Development & Advancement

Unlimited Paid Time Off

Holidays

Job summary

Mainline LLC in South Carolina seeks a Construction Supervisor I to oversee daily OSP fiber projects, manage vendors, customers and project deliverables. This on-site role requires strong communication and leadership to ensure safety and quality.

You will report to the Associate Construction Manager, coordinate schedules, maintain documentation, and uphold company standards across Greenville/Upstate or Columbia/Midlands projects.

Qualifications

• Minimum 1–3 years of experience in OSP fiber optic construction or similar role.
• Excellent communication, leadership, organizational, and problem-solving skills.
• Ability to travel frequently to various project sites and work independently in a fast-paced environment.

Responsibilities

• Manage all assigned OSP projects, clients, and partners.
• Maintain all project-related data through company software and defined processes.
• Follow company protocols for gathering project data (schedules, logs, as-builts, etc.).
• Ensure Quality Control and safety compliance.
• Maintain clear, timely communication with customers, subcontractors, and management.
• Build and maintain relationships with vendors, customers, employees, and subcontractors.
• Champion company culture and leadership goals.

Skills

Project management

Leadership

Communication

Organizational skills

MS Office

Tools

Microsoft Office

Job description

Mainline LLC in South Carolina seeks a Construction Supervisor I to oversee daily OSP fiber projects, manage vendors, customers and project deliverables. This on-site role requires strong communication and leadership to ensure safety and quality.

You will report to the Associate Construction Manager, coordinate schedules, maintain documentation, and uphold company standards across Greenville/Upstate or Columbia/Midlands projects.