Administrative Operations Manager

Mariani Landscape•Mundelein, IL

1d•$60,000 - $70,000•Onsite

About The Position

We are building the premier outdoor living company in the country by creating a “family of family companies” across the nation. Now you can build your landscaping career with the best, working in one of our many company locations nationwide. Learn from the top experts in the field and work on some of the country’s largest and most complex landscape projects. Take advantage of opportunities to share and exchange best practices across our network. The opportunities are endless. Job Overview Woodlawns Landscape is seeking a hands-on Administrative Operations Manager to own our administrative, billing, and office operations. This is a player-coach role responsible for end-to-end Accounts Receivable and DSO performance, Accounts Payable processing and DPO, client billing accuracy, and administrative support for month-end close. This leader will personally perform core AR/AP and billing work while building structure, improving systems, and developing a high-performing admin team. We are looking for a self-directed problem solver who brings order, accountability, and continuous improvement to the back office.

Requirements

5+ years experience in administrative, billing, AR/AP, or finance operations with ownership of processes.
Prior leadership or player-coach experience.
Proven ability to manage high-volume invoicing and vendors.
Strong systems aptitude and comfort learning new platforms.
Track record of process improvement and problem solving.
Highly self-directed, organized, and detail-oriented.
Excellent communication and collaboration skills.

Responsibilities

Own end-to-end AR and DSO performance, including collections leadership with Account Managers.
Lead client invoicing, ensuring accuracy, timeliness, and contract compliance.
Own AP processing and DPO, approving vendor bills and maintaining vendor portals.
Partner with CFO and Controller to deliver admin inputs for month-end close on deadlines.
Serve as primary contact for client billing questions and coordination.
Build, document, and maintain SOPs for admin, AR, AP, and billing processes.
Act as a change agent to redesign workflows and drive automation.
Become a power user of Aspire, Ramp, NetSuite, Pipedrive, and related portals.
Lead, coach, and hold the admin team accountable; conduct reviews and set KPIs.
Oversee office operations including facilities, supplies, and front desk coverage through delegation.
Maintain clean, organized, and auditable systems and files.