Open Systems International
Open Systems International is a supplier company of open automation solutions for real-time management and optimization.
- Open roles
- 208
- New role every
- ~0.4 days
- Posting trend
- 2.3× vs prior 90d
Company signals
Score: 79Job facts
- Location
- Mexico City, Mexico
- Posted
- Oct 27, 2026
Last verified live 2 days, 10 hours ago · checked directly on the company's Workday
More roles at Open Systems International
- Product Manager - Digital Grid - Distribution Management System · Medina, Minnesota
- Technical Product Owner (O&G background w/SAFe Agile exp) · Houston
- Sourcing Category Manager · Mexico City
- Social Media Specialist · Bedford, Massachusetts
- Technical Project Consultant · Montreal (Mansfield)
- DevOps Engineer I · Bedford, Massachusetts
Accounts Payable / Finance Operation Specialist
at Open Systems International
The driving force behind our success has always been the people of AspenTech. What drives us, is our aspiration, our desire and ambition to keep pushing the envelope, overcoming any hurdle, challenging the status quo to continually find a better way. You will experience these qualities of passion, pride and aspiration in many ways — from a rich set of career development programs to support of community service projects to social events that foster fun and relationship building across our global community.
The Role
You will facilitate accurate and timely processing and analysis of worldwide payment processing via wire transfer or ACH, assist with supplier creation, and invoice and expense processing when needed.
Your Impact
- Payment processing: scheduling and processing payments to vendors within the agreed-upon payment terms, including issuing wire transfers and ACH payments
- Knowledge of banking requirements for banking
- Generate intercompany invoicing when needed
- Assist with the financial month-end close processes such as cash application to outside payments
- Provide support, as required, for internal and external audits.
- Review, process, audit and perform the final approval of employee expense reports to ensure compliance with the Company policies.
- Communicate effectively to employees regarding expense report status and issues.
- Enter supplier invoices timely and accurately.
- Help with supplier and employee inquiry on invoice status.
- Work on special projects and provide other analyses as directed.
What You'll Need
- 3+ years of experience in Accounts Payable
- Experience with Oracle preferred
- Understanding banking transactions and bank portals
- Ability to manage high volumes of transactions and meet deadlines
- Excellent attention to detail
- Strong analytical skillsets to effectively address and/or identify policy exceptions
- Demonstrate excellent verbal and written communication skills required for interactions with employees of all levels in Spanish and English
- Maintain strong working relationships
- Must be able to work independently and in a collaborative team environment
- Flexibility and a team player with can do attitude
- Highly organized and self-motivated
- Proficiency in MS Office Applications (Word, PowerPoint, Outlook, Excel)