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!

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.

You can take the survey here: https://go.cultureindex.com/p/Kenerso5wTFNyowB2A

About the role

The Human Resources Coordinator supports the day-to-day HR operations for a growing, field-driven telecommunications and infrastructure organization. This role is responsible for administrative execution, payroll coordination, and compliance, ensuring a seamless employee experience across both corporate and field teams.

This individual will play a key role in supporting a workforce that includes project managers, technicians, and field crews, helping ensure HR processes are accurate, timely, and compliant.

What you'll do

HR Administration

• Maintain accurate employee records within HRIS and personnel files
• Coordinate onboarding and offboarding for both field and office employees
• Manage new hire documentation, background checks, and onboarding logistics
• Assist with benefits administration, enrollments, and employee questions
• Support HR reporting, documentation, and general administrative functions

Payroll Coordination

• Process or support payroll for a multi-state workforce, including hourly field employees
• Ensure accurate timekeeping, job coding, and approvals (including project-based hours)
• Partner with operations and finance to validate payroll data and resolve discrepancies
• Assist with payroll audits, reconciliations, and reporting

Compliance & Documentation

• Ensure compliance with federal, state, and local employment laws, particularly in a multi-state construction/telecom environment
• Maintain I-9s, W-4s, and other employment documentation
• Support safety and compliance tracking (e.g., certifications, licenses, training records)
• Assist with internal audits and documentation for regulatory or client requirements

Employee Support

• Serve as a first point of contact for employee HR-related questions
• Provide responsive, professional support to both field and corporate employees
• Assist with employee communications and engagement initiatives

Process & Operations Support

• Help improve HR processes to support a growing and geographically dispersed workforce
• Partner with leadership to ensure consistency across projects and locations
• Support special projects related to workforce growth, systems implementation, or compliance

Qualifications

• 4 year degree in HR, accounting, or related business field
• 2+ years of experience in HR, payroll, or administrative support
• Experience supporting payroll (ideally hourly or field-based workforce)
• Strong attention to detail and organizational skills
• Familiarity with HRIS and payroll systems (ADP, Paychex, Rippling etc.)
• Working knowledge of employment laws and HR compliance
• Proficiency in Microsoft Office, especially Excel

Preferred Qualifications

• Experience in construction, telecommunications, or field services environments
• Exposure to multi-state payroll and compliance requirements
• Experience supporting a growing or fast-paced organization

Please take our survey here: https://go.cultureindex.com/p/Kenerso5wTFNyowB2A

Equal Opportunity Employer

Mainline LLC is proud to be an equal opportunity employer and provides consideration for employment to all qualified applicants without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity, gender expression, or any other characteristic protected by federal, state, or local anti-discrimination laws.