Internships in Tulsa, Oklahoma, United States

CCK Tax Interns are an important part of the CCK team. In this compensated program, tasks may vary based on client and project needs ranging from data input, tax research, to assisting with Tax forms.

This position involves using computer-aided drafting (CAD) to create & update 3D Inventory parts, assemblies, and drawings, as well as 2D AutoCAD Electrical drawings. Through these experiences, you will build a foundation for your future career.

College Financial Representatives in the internship program at Northwestern Mutual are provided guidance, connection, and a framework for building an integrated financial planning practice from the ground up. Our college financial representatives, who come from varying academic backgrounds and experiences, begin to build a financial planning practice while engaging local and nationwide experts, exclusive financial products, and the support of a Fortune 500 company.

Nox Group seeks Field Engineer Interns for its Internship Program, supporting assigned construction projects and field teams. Interns rotate through Preconstruction/Estimating, Industrial, and Manufacturing lines, working alongside tenured Project Managers or Project Engineers throughout the construction project life cycle.

The Audit and Assurance Intern is motivated and highly organized, responsible for executing detailed work plans, and cultivating relationships both inside the firm and with clients. CCK appreciates individuals with an advisory mindset who enjoy working with entrepreneurial clients across a wide range of industries.

Position Summary: The Engineering Intern will be responsible for assisting with design on multiple projects, performing standard engineering calculations, and preparing design deliverables for a variety of projects. This position utilizes BIM/CAD software, hand calculations, and computer-based calculations.

SSC CPAs + Advisors is hiring paid Experienced Interns for Spring 2026 across its Kansas and Oklahoma offices. As an experienced Intern, you will build on prior internship or accounting experience with increased responsibility, preparing tax return work papers, assisting with business and individual tax returns, performing tax extension calculations, and contributing to tax planning or audit-related tasks.

Northwestern Mutual's College Financial Representative Internship Program in Tulsa, OK, provides guidance and a framework for building an integrated financial planning practice from the ground up. Interns prospect and network to build a client base, develop business strategies, call on potential clients, prepare financial plans, and engage in weekly coaching and training.

Ready to launch your future? The Cherokee Nation Businesses (CNB) Summer Internship Program is more than an internship—it’s your next move. If you’re a driven Cherokee Nation citizen looking to turn knowledge into experience and passion into purpose, this is where your journey begins.

Audit & Assurance team at CCK Strategies provides comprehensive audit, review, and assurance services across client lifecycles. The intern executes detailed work plans, prepares workpapers, and assists staff while learning core accounting concepts and risk identification.

Olsson provides multidisciplinary design services for a variety of data center campuses throughout the nation. As a summer 2027 student intern, you will perform meaningful, hands-on, real-world work that will transform your classroom experience and help you envision your future career.

BOK Financial Corporation Group's Information Security Accelerated Career Track Internship in Tulsa, OK, is designed for students completing their Junior year of college. Over a 10-week immersive program, you will combine classroom sessions, on-the-job and technical training, and group projects to build financial, analytical, and sales skills while learning the bank's operations, markets, and strategies.

Kimley-Horn is seeking engineering students to join its Tulsa, Oklahoma office as Civil Engineering Interns. Interns will use technical software to analyze, produce, and QC deliverables, contributing to pre-construction civil engineering design, planning, modification, permitting, and analysis across multiple projects.

BOK Financial Corporation Group's Treasury Services internship in Tulsa, OK, is an Accelerated Career Track program for students completing their Junior year. Over a 10-week immersive experience, you will combine classroom sessions, on-the-job and technical training, and group projects to build financial, analytical, and sales skills.

As a Human Resources Intern, you will gain meaningful experience of what it’s like to be an HR Business Partner ! This position will allow you to impact our business while learning about our company and culture.

We’re looking for a Staff Accountant to become a core member of our lean, high-impact finance team. Reporting to the Corporate Controller and working closely with our VP of Finance, you’ll own the day-to-day accounting engine of a growing, Private Equity-backed SaaS company – from daily cash and card activity to AP, billing, collections, and month-end close.

Valmont is currently seeking a highly motivated and talented individual for the Manufacturing Intern position in the NA Ops Division. We are looking for a highly driven individual that will be an active participant in contributing to the goals of the NA Operations Oklahoma Operations team.

Olsson provides engineering services for large commercial developments, hospitals, laboratories, school/university buildings, and military facilities. As a summer 2025 fire protection engineering student intern on our facilities engineering and design team, you will perform meaningful, hands-on, real-world work that will transform your classroom experience and help you envision your future career.

Northwestern Mutual's College Financial Representative Internship Program in Tulsa, OK, on-site, provides guidance and a framework to build an integrated financial planning practice from the ground up. Interns prospect and network, develop business strategy, call on potential clients, prepare plans, and engage in weekly coaching and training while working a flexible schedule around classes.

Join ONEOK as a Community Investments Intern at our office in Tulsa, OK and gain meaningful, hands-on experience supporting real business priorities while building the foundation for your engineering career. Interns work alongside experienced engineers and professionals, contributing to impactful projects that support ONEOK’s operations and long-term strategy.