Service Administrative Assistant

CentiMark Corporation
Buffalo, NY

CentiMark Corporation , the nation's largest commercial and industrial roofing contractor, is seeking a highly energetic and positive Service Administrator to join our team in Buffalo, NY . This essential role will provide dedicated support to our Branch Manager, Service Manager and Service Sales Representatives, playing a key part in the success and growth of our Buffalo Service business.

Compensation & Benefits:
This role offers a competitive hourly rate of $22/hr - $28/hr , based on your education and experience, along with our premier benefits package. What You'll Do (Key Responsibilities):
You will be the administrative backbone of the service department, handling a variety of critical tasks, including:
  • Ensure optimal customer service by promptly answering all incoming calls on the main office line, professionally triaging and directing inquiries to the appropriate personnel without delays that would lead to voicemail.
  • Serving as the primary point of contact for customer repair calls and creating notifications to alert our Service Team.
  • Manage Service billings, including obtaining missing Purchase Orders and requesting Not-to-Exceed (NTE) limits as needed.
  • Providing administrative support to the Service Manager and Service Sales Representatives.
  • Manage the Service Scheduler with our Service Manager, being able to identify upcoming work/repairs and communicating to the customer while overcoming objections during peak business periods.
  • Processing upcoming Service jobs per company policy, includes obtaining all needed documents with our internal team and our customers.
  • Processing weekly expenses and assisting with payroll as needed for our Service Team.
  • Manage the complete lifecycle of vendor Purchase Orders (POs), including creating, filing, digitally receiving inventory, and ongoing record maintenance in compliance with company standards.
  • Maintain weekly sales and operations reporting at the request of the Branch Manager.
  • Facilitate weekly branch meetings and maintain the agenda.
  • Performing general day-to-day administrative duties and updating necessary reports.
What You'll Bring (Candidate Requirements):
The ideal candidate is an organized, proactive, and detail-oriented professional with:
  • Proven customer service and administrative experience.
  • High proficiency in Google Workspace.
  • Strong organizational, data entry, and superb time management skills with a keen attention to detail.
  • Excellent communication, follow-up, and interpersonal skills.
  • The ability to work independently and handle multiple tasks with high efficiency and accuracy.
  • Experience with SAP is a plus, but not required.
  • A friendly, outgoing personality and a genuine desire to help grow the local service business.
Premier Benefits:
  • 2 Health Insurance Plans:
    • No Cost “Core Plan” – No Cost Medical & Dental
    • “Buy Up Plan” – Features a lower deductible for Medical
  • Vision Plan
  • Employer Paid Life & AD&D Insurance
  • Traditional 401K with Company Match
  • Roth 401K with Company Match
  • Flexible Spending Accounts (FSA)
  • Paid Holidays and Vacation
  • Employer Provided Employee Stock Ownership Program (ESOP)
  • Weekly Pay
  • Referral Bonuses
  • Dayshift Hours
  • Growth Opportunities

CentiMark provides a great work environment with challenging career opportunities.
Drug Free Workplace - EOE (M/F/V/D) - E-Verify Employer
For more information, please visit our website --

Posted 2026-02-24

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