Accounting Specialist II

About the role

OKSI Opto-Knowledge Systems, Inc. (OKSI) designs and builds electro-optical and infrared systems, autonomy solutions, and airborne platforms that support some of the most demanding missions in aerospace and defense. We're a close-knit team where every person's work has a direct line to real-world impact, and we're looking for people who want to grow with us. We're looking for an Accounting Specialist II to support day-to-day accounting operations, including accounts payable, accounts receivable, and reconciliations. You'll work closely with our finance team to maintain accurate, audit-ready financial records and keep our books running smoothly. This is an onsite role based at our Torrance, CA headquarters.

Responsibilities

• Enter and process AP invoices, ensuring accuracy and proper coding to projects and accounts
• Communicate with vendors on invoice updates, payment status, and expectations
• Prepare vendor payment runs and resolve discrepancies as they come up
• Prepare customer invoices in line with contract terms and billing schedules
• Follow up on outstanding accounts receivable and keep aging records current
• Reconcile corporate credit card transactions, ensuring receipts