Invoicing Assistant

Company: Digi Security Systems
Location: Tulsa
Posted on: February 18, 2026

Job Description:

Job Description Job Description Invoicing Assistant Company Overview Digi Security Systems is an industry leader in the design, installation, and support of custom video surveillance, electronic access control, and intrusion detection solutions for public and private partners. We've built our reputation on innovation, reliability, and customer service — and are known as trusted experts across the industry. Position Overview Digi Security Systems is seeking an Invoicing Assistant to manage invoicing for projects and service operations at our Dallas, OKC or Tulsa branch. The ideal candidate will have strong attention to detail, excellent organizational skills, and prior experience in invoicing for a commercial or enterprise company. Location: Dallas, Tulsa or OKC Starting Pay: $21 per hour (commensurate with experience) Key Responsibilities Create, review, and submit invoices accurately and on schedule. Reconcile billing discrepancies and resolve issues promptly. Maintain accurate records of billing activities and documentation. Follow specific partner or client invoicing requirements and ensure compliance. Collaborate with internal teams to ensure billing accuracy and timeliness. Communicate professionally with clients and vendors to address billing questions. Qualifications 1–3 years of invoicing experience in a commercial or enterprise environment. Strong computer, communication, administrative, and organizational skills. Experience in commercial construction, low-voltage, or electrical industries preferred. Ability to meet deadlines and handle multiple tasks efficiently. High attention to detail with a commitment to accuracy and accountability. Proactive problem-solver with the ability to adapt to new systems and processes. Familiarity with ConnectWise preferred; transitioning to ServiceTitan software. Key Competencies Invoice Accuracy & Timeliness – Ensures invoices are correct and submitted on schedule. Receptiveness to Partner Requirements – Adheres to specific rules or processes and welcomes feedback. Accountability – Takes ownership when errors occur and learns from them. Proactivity – Identifies potential issues before they become problems. Communication – Raises issues promptly and communicates clearly. Adaptability – Adjusts effectively to new systems, processes, and requirements. Primary Function: Billing creation, reconciliation, and issue resolution. Join our team at Digi Security Systems and be part of a company that values innovation, precision, and people. Disclaimer: This job description is not all encompassing of job responsibilities and is not in any way a binding document. It does not affect the at will nature of employment at Digi Security Systems.

Keywords: Digi Security Systems, Midwest City , Invoicing Assistant, Administration, Clerical , Tulsa, Oklahoma