Administrative Operations Manager

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** 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.
** Key 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, Net Suite, 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.
** What Success Looks Like
*** Improved DSO and cash flow discipline.
* Accurate, timely billing with minimal disputes.
* On-time admin deliverables for month-end close.
* Documented SOPs and strong process adoption.
* A professional, accountable, and service-oriented admin team.
** Qualifications
* ** 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.
** Work Environment
*** In-office role in Mundelein, IL.
* Occasional extended hours during month-end or peak periods.
** The Perks
*** 401(k) plan with company match
* Medical insurance
* Dental insurance
* Vision insurance
* FSA/HSA
* Perk Spot* Long-Term Disability and Life Insurance
* Paid time Off
* Tuition Reimbursement (after one year of service)
** Pay Transparency
** Mariani Enterprises LLC is committed to pay transparency and equity among all employees and provides employees with an environment where pay transparency and dialogue on compensation are allowed. Mariani Enterprises LLC complies with Equal Employment Opportunity laws as well as federal, state, and local laws on compensation, pay transparency, and pay equity.

Position Range:$60,000.00 - $70,000.00

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

This employer participates in E-Verify and will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS), with information from each new employee's Form I-9 to confirm work authorization. Employers can only E-Verify once you have accepted a job offer and completed the Form…