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Billing Specialist

Mariani Landscape · Lake Bluff, IL · $20.00–$29.23 an hour · Full time

Posted Aug 11, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you found an error in an invoice after it went out. What did you do?

What they are checking: Honesty and follow-through on mistakes, which matter more than claiming never to make them.

How do you stay on top of billing deadlines during the busiest part of the season?

What they are checking: Whether they can manage volume spikes, since landscaping billing peaks with the growing season.

Tell me about a time you had to get information from someone who kept not responding. How did you get it?

What they are checking: Whether they can follow up firmly but politely with field and sales staff to keep billing on time.

What would you do

An operations manager says a job is complete, but the sales team says the client added work. How do you figure out what to bill?

What they are checking: Whether they confirm facts across teams before invoicing instead of picking one side.

A client calls upset that their invoice is higher than they expected. How do you handle the call?

What they are checking: Whether they can stay calm, explain charges clearly and know when to bring in sales or operations.

About the work

Walk me through how you would run a monthly billing cycle from start to finish.

What they are checking: Whether they can lead the monthly process and weekly reporting without needing every step spelled out.

What is the difference between partial billing and final billing on a project, and what can go wrong with each?

What they are checking: Whether they understand project billing well enough to avoid double-billing or missing revenue.

How do you keep billing spreadsheets accurate when many people send you information?

What they are checking: Their methods for data accuracy, since invoices built on bad inputs damage client trust.

What is job costing, and why would a landscape company want that information quickly?

What they are checking: Whether they understand why timely job cost reports matter for managers deciding on pricing and crews.

What Excel skills do you use most in billing work, and give me an example of something you built?

What they are checking: Real spreadsheet skill like lookups and pivot tables, which speeds up billing and reporting.

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The full job description

As published by Mariani Landscape.

Work With The Best 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 Mariani Landscape is seeking top talent to join our team as a Billing Specialist. This associate is responsible for supporting billing operations, including ensuring that all aspects of client invoicing are produced accurately and in a timely manner. This position interacts with internal teams, clients, and vendors while supporting departmental financial and administrative processes. Responsibilities and Duties • Follow company policies, procedures, and work standards. • Lead monthly billing processes, including weekly reporting. • Produce client invoicing, partial and final billing, and related financial documentation. • Maintain spreadsheets and billing records for clients and projects. • Communicate with operational and sales staff regarding billing requests, job status, and invoicing concerns. • Produce and distribute job cost information in a timely manner. • Create and distribute credit memos. • Apply deposits and payments accurately and timely. • Assist with subcontractor invoicing and waivers. • Maintain and balance expense and revenue reports. • Assemble and distribute department files and documentation. • Handle confidential and non-routine information appropriately. • Complete work within appropriate timeframes to prevent backlog. • Research billing discrepancies and assist in resolving process issues. • Maintain a high standard of quality and accuracy in all work performed. • Communicate billing issues or client concerns to leadership in a timely manner. • Complete required paperwork accurately and timely, including timesheets and other administrative documentation. • Participate in departmental meetings and trainings. • Arrive for work on time and prepared each day. Non-essential Duties and Responsibilities • Provide backup support to Administrative Support team members, including timesheets, data entry, and other administrative functions. • Participate in company initiatives and special projects as assigned. • Perform data entry and process updates within company software systems. • Assist with onboarding and training of new team members. • Recommend process improvements to enhance efficiency and client service. • Participate in the snow removal process as necessary (i.e. provide administrative support for snow removal operations). • Participate in Holiday retail (i.e. creating bows, sale of trees, etc.). • Other duties as assigned. Job Requirements • Minimum of 3 years of experience in billing, accounting support, or administrative support, preferably in a service-based industry. • Strong proficiency in Microsoft Office, specifically Excel. • Ability to maintain confidential information and exercise appropriate discretion. • Strong verbal and written communication skills. • Strong attention to detail and accuracy. • Ability to prioritize and manage multiple tasks independently. • Flexibility to support changing workloads and deadlines. • Ability to learn and work within company software systems. • Ability to deliver quality results under tight deadlines. • Demonstrate accountability for work being completed accurately and on schedule. • Professional demeanor and telephone etiquette. The Perks • 401(k) plan with company match • Medical insurance • Dental insurance • Vision insurance • FSA/HSA • PerkSpot • 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: $20.00 - $29.23 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. Mariani Enterprises, LLC is proud to be an equal opportunity employer and does not discriminate in employment with regard to race, color, religion, national origin, citizenship status, ancestry, age, sex (including sexual harassment), sexual orientation, marital status, physical or mental disability, military status or unfavorable discharge from military service or any other characteristic protected by law.

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