Billing and AR Operations Manager

Stefanini Group•El Segundo, CA

About The Position

Stefanini Group is hiring a hands-on AR / Billing Operations Sr Manager to stabilize and improve a high-volume, multi-system billing and collections environment. The role focuses on taking immediate ownership of day-to-day operations and establishing structure, consistency, and accountability. The position also offers visibility into broader process redesign and system improvements, with the possibility of expanding into a broader role depending on performance and business needs.

Requirements

5–10 years of experience in AR, billing, or accounting operations.
Experience in high-volume or multi-system environments.
Strong attention to detail and process orientation.
Comfort working in less structured environments and creating order.
Hands-on, proactive, and execution-focused approach.
Strong Excel skills, including the ability to work with large datasets and reconcile data.
Experience stepping into environments that lack structure and building processes from the ground up.

Responsibilities

Ensure invoices are generated accurately and on time.
Implement and enforce daily and monthly billing checklists.
Identify and resolve billing errors and inconsistencies.
Drive execution of collections workflows and follow-ups.
Track aging, past-due accounts, and escalation paths.
Ensure consistent activity and visibility across the team.
Support monthly AR and billing reconciliations across systems.
Help ensure reports are consistent, traceable, and repeatable.
Identify and investigate variances.
Build and document clear workflows and standard operating procedures.
Establish daily, weekly, and monthly checklists across billing and AR.
Implement validation and control steps to improve accuracy.
Drive adoption of processes and enforce adherence across the team.
Support implementation of daily and weekly reporting cadence.
Improve visibility into team performance and operational health.
Track AR aging and past-due balances, billing timeliness and accuracy, and collections activity and follow-up.
Provide day-to-day structure and oversight for billing and AR activities.
Help enforce deadlines, track tasks, and ensure follow-through.
Support training and standardization across the team.
Drive accountability for deadlines, deliverables, and performance expectations.
Reinforce structured ways of working and reduce ad hoc execution.