Are you ready to jumpstart your finance career and grow within a team that is supportive and collaborative?  Critical Mass is looking for a detail-driven Billing Coordinator to join our Chicago office, supporting a high-profile enterprise account. This is your chance to make an impact, learn hands-on, and build a solid foundation in finance operations—all within a vibrant, collaborative environment.

 

You Will:

• Manage and update billing rates, close timesheets, and generate various financial reports (including non-billable, project detail, and burn reports).
• Prepare, review, and send invoices, ensuring accuracy and timeliness.
• Liaise with internal teams to gather backup documentation and fulfill ad hoc requests.
• Regularly manipulate and analyze data in Excel, aligning reporting to unique client fiscal calendars.
• Support your teammates and collaborate to solve problems and meet deadlines.
• Gain exposure to finance systems such as Dynamics 365 and others
• Perform general office duties including maintain the AP mailbox, photocopying of bills, invoices, and other supporting backup documentation.
• Ad-hoc reporting as required.

 

You Have:

• A basic foundation in finance—either through education or previous internship/entry-level experience.
• Proficiency with Excel and excited to develop your skills to the next level (intermediate skills a big plus!).
• A passion for working with numbers and have a keen eye for detail.
• A team-oriented mindset to work in collaborative environment and are eager to contribute your best.
• You have a desire for stability and the opportunity to grow over the next 2–3 years.
• Enthusiasm about coming into the Chicago office at least three days a week – you enjoy connecting with your colleagues face-to-face!

 

Bonus if You Have:

• Experience with financial systems like Dynamics 365.
• Exposure to billing, accounting, or related financial processes.

What We Offer:

• Global maternity and parental leave 
• Competitive benefits packages
• Access to online services for families and new parents
• Early Dismissal Friday’s (off at 3:00 PM local time every Friday)
• 13 affinity groups
• Internal learning and development programs
• Enterprise-wide employee discounts 

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible!  Our new hires & employees are the future of our organization, and we want to set you up for long-term success.  In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.  

 

 

 

 

We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.Salary Range$50,000—$55,000 USD

Critical Mass is an equal opportunity employer. 

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoidIf Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.htmlIf U.K. based: https://www.gov.uk/consumer-protection-rightsIf Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx