The Senior Accounts Payable Assistant is responsible for verifying and processing supplier invoices billed in a timely and accurate manner in accordance to the company policy and departmental guidelines. A. M. Castle & Co. has over 130 years of experience as a leader in the metals service center industry. We provide exceptional benefits including but not limited to medical, dental, vision, 401K match, disability benefits and tuition reimbursement. Starting salary: $60k annually.