Accounts Payable (AP)/Office Administrator

Design Solutions and Integration is an employee-owned company providing automation, electrical, and mechanical services to major energy partners including Diamondback Energy, ExxonMobil, ConocoPhillips, and Chevron. Since 2001, we’ve supported oil-field operations with reliable, safety-driven solutions that keep projects moving. Guided by our core values—integrity, safety, accountability, faith, and innovation—we take pride in delivering dependable work for customers who expect the best. As an employee-owner, you’ll have access to competitive wages and a strong benefits package including medical, dental, vision, disability coverage, paid time off, a 401(k) match, and participation in our Employee Stock Ownership Plan (ESOP). At DSI, we’re all invested in doing the job right.
We are seeking a detail-oriented and organized AP / Office Administrator to join our team. This role supports daily accounting processes & invoice management while helping maintain smooth office operations. The ideal candidate is proactive, dependable, and comfortable managing multiple administrative and procurement tasks in a fast-paced environment.

Requirements:

• - High School Diploma/GED required.
• - Accounting experience (2+ years)
• - Able to reliably commute or live in Sioux Falls, SD

Job Responsibilities:

• Invoice processing
• Payment execution
• Check processing
• Vendor management
• Reconciliation
• Support for reports
• Period-end closing and audits
• Monitor approved or rejected invoices
• Resolve any issues or discrepancies. 

Knowledge, Skill & Abilities

• - Strong visual acuity in working with numbers, invoices, and totals.
• - Strong attention to detail.
• - Must have work experience with Microsoft Office & Excel.
• - Sage Intacct software experience a plus but not required.

Guided by our core values—integrity, safety, accountability, faith, and innovation—we take pride in delivering dependable work for customers who expect the highest standards. Our footprint spans various sectors including architecture, engineering, construction, and technology. Whether crafting efficient workspaces, integrating cutting-edge technology systems, or optimizing infrastructure for peak performance, Design Solutions and Integration brings a holistic approach to every project. As an employee-owner, you’ll benefit from competitive wages and a comprehensive benefits package, including medical, dental, vision, disability coverage, paid time off, a 401(k) match, and participation in our Employee Stock Ownership Plan (ESOP). At DSI, we’re all invested in doing the job right.