Mainline, LLC
Telecom & NetworksDirect Rippling career site

Construction Supervisor - South Carolina

Location
Greenville, SC · On-site
Job type
Full-time
Level
Lead / Staff
Experience
1+ year
Listed
30 days ago

Skills & highlights for this role

  • fiber optic network testing
  • OSP construction standards
  • construction safety practices
  • quality control

Stated benefits & perks

  • Health
  • Life insurance
  • Unlimited pto
  • Holidays

About the role

  • What Will You Be Doing?
  • Title: Construction Supervisor I
  • FLSA Classification: Exempt
  • Reports to: Associate Construction Manager
  • Location: Greenville/Upstate OR Columbia/Midlands, South Carolina
  • Req Date: March 1, 2025

Summary/Objective

The Construction Supervisor is responsible for managing all daily aspects and resources necessary to complete our OSP projects across multiple customer projects. This person will need to communicate with our vendors, customers and neighborhood residents, as well as manage job documentation and deliverables.

Essential Functions

  • Manage all assigned OSP projects, clients, and partners in accordance with SPEQ Metrics.
  • Maintain all project-related data through the company software and defined processes.
  • Follow all company protocols for gathering necessary project data such as production schedules, daily logs, red lines, as-builts, and other project deliverables.
  • Ensure Quality Control is done promptly
  • Report any damage or incidents to company management with documentation.
  • Maintain clear, timely communication with customers, subcontractors, and management.
  • Create and maintain healthy relationships with vendors, customers, employees, and subcontractors.
  • Actively champion company culture and leadership goals when carrying out all responsibilities
  • Ensure safety evaluations and meetings are occurring.
  • Proactively communicate with Senior Management related to project progress.
  • Enamor clients with project delivery excellence.
  • Ensure safety regulations and construction standards are followed at all times.

Competencies

  • Knowledge of light and heavy equipment used in Outside Construction and Maintenance.
  • Requires in-depth knowledge of telecommunications, Outside Plant, construction, Fiber Restoration, and splicing/testing
  • Requires excellent communication and customer service skills
  • Highly organized and detail-oriented
  • Self-motivated and able to work independently
  • Proficient with Microsoft Office suite
  • Experience training contractors and subcontractors in technical and non-technical duties

Supervisory Responsibilities

Oversee contractors and subcontractors

Work Environment

The position is 100% onsite, and working conditions are normal for construction sites. Work hours will be dictated by the needs of the business for client-related project schedules; field working conditions to oversee project progress, including nights and weekends. Travel daily to job sites within a local geographic area (50%). On occasion, for special projects or to attend company-approved meetings, travel outside the normal area will be required (10%).

Physical Demands

While performing the duties of this job the employee is regularly required to walk long distances on uneven surfaces, climb stairs, bend, stoop, kneel, occasionally lift moderate weights (up to 50 pounds), and inspect various areas of a construction site in all weather conditions, which may involve reaching, crawling, and stretching; they also need good vision, hearing, and the ability to stand for extended periods. The employee is required to sit for extended periods of time while traveling to construction sites by the most efficient method available.

Travel Required: Up to 50%

Required Education and Experience

  • Minimum 1-3 years of experience in OSP fiber optic construction in a similar role.
  • Knowledgeable in fiber optic network testing equipment and procedures.
  • Familiar with the OSP construction standards, codes, regulations, and safety practices.
  • Excellent communication, leadership, organizational, and problem-solving skills.
  • Ability to work independently or as part of a team in a fast-paced environment.
  • Ability to travel frequently to various project sites.
  • Must be local to the market you are applying for.

Other Duties

Please note that this job description is not intended to cover or list in full the activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Why Mainline?

Excellent company culture!

Full Time

Full Benefits Package (Mainline LLC contributes 75% of the premiums for employee health coverage and 50% for dependent family members' health coverage).

  • Company Paid Life Insurance
  • Career Development & Advancement Opportunities
  • Unlimited Paid Time Off
  • Holidays

Interested in Applying? If so, we'd like to get to know you better. As part of our application process, in addition to applying on our job board, you’ll take a short survey to help us better understand your work preferences and how you like to be managed and communicated with. The survey consists of two parts. For the most accurate results, set aside 15 minutes with no interruptions to read and select all the words that apply to you for the given question. Complete it on a computer, not a tablet or cell phone, for the best experience. At the end, you'll be asked to attach your resume, so please have it ready.

About Mainline, LLC

At Mainline LLC, our core values—Clients, Community, and our Team—define who we are and guide our mission. We excel in delivering fiber infrastructure solutions with a commitment to efficiency, transparency, and unparalleled value for our Clients. We understand that our work not only impacts infrastructure but also shapes our Clients' brand reputation on a larger scale.

Our Community Pillar is central to our service philosophy; we believe in making a positive difference in the communities we serve. We recognize that our greatest asset is our people—the Mainline Team. We are dedicated to cultivating a safe, healthy, and productive work environment that empowers our team to thrive.

At Mainline, we truly value our people as the heartbeat of our organization. Their passion and dedication drive the exceptional service we provide to our clients. With a steadfast focus on their safety, well-being, and productivity, we continually refine our service delivery approach. This dedication is what sets us apart. That is the Mainline Way!

Read the original posting

From Mainline, LLC's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the Construction Supervisor - South Carolina job at Mainline, LLC located?

This Construction Supervisor - South Carolina position at Mainline, LLC is located in Greenville, SC (On-site). Always check Mainline, LLC's application page for specific state eligibility or relocation policies.

What qualifications are required for Construction Supervisor - South Carolina at Mainline, LLC?

For the Construction Supervisor - South Carolina role, Mainline, LLC highlights 1+ year of relevant experience; experience with fiber optic network testing, OSP construction standards, construction safety practices, quality control. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Construction Supervisor - South Carolina position at Mainline, LLC?

This listing links directly to Mainline, LLC's Rippling application page. You can apply directly on Mainline, LLC's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Rippling application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.