Internships in Toledo, Ohio, United States

Northwestern Mutual's College Financial Representative Internship Program in Toledo, OH, 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.

Owens Corning's Finance & Accounting Internship places students at the World Headquarters in Toledo, Ohio to gain hands-on experience across Business Unit Finance, Tax, Treasury, Accounting, Economics, and Financial Planning and Analysis. Interns build financial, accounting, and business knowledge while developing practical skills in SAP, Excel, and Power BI through dedicated training, mentorship, and project-based work.

As an Owens Corning Roofing Sales Intern, you will have an opportunity to work in a world-class sales organization and gain valuable exposure to sales strategies and business initiatives that are focused on meeting customer needs, adding value, and driving revenue that span across our building material businesses. Expect challenging work on projects that support our customers and spend time job shadowing across our business units to gain a wide range of experiences in a short amount of time.

Zepf Center seeks MSW interns to deliver supervised, face‑to‑face clinical services in a trauma‑informed setting. Interns will conduct individual and group therapy, perform diagnostic assessments, develop treatment plans, and maintain thorough documentation.

Northwestern Mutual Financial Services internship program trains college financial representatives to build integrated financial planning practices. Interns prospect clients, develop business strategies, and prepare financial plans while receiving weekly coaching and licensing support.

The Human Resource Internship at Owens Corning, headquartered in Toledo, Ohio, offers students the chance to build relationships, lead high-impact projects, and drive real change across a global enterprise as a generalist or specialist. Interns partner with business leaders on strategic projects while receiving continuous mentoring, development, and feedback from senior leadership.

Owens Corning's Supply Chain & Sourcing Internship is based at the World Headquarters in Toledo, OH and is an on-site role. Interns work on meaningful projects that advance the Supply Chain and Sourcing organization, gaining exposure to teamwork, networking, project leadership, presentations, and business enhancement while developing technical and analytical skills.

Zepf Center seeks Clinical Counseling Interns to deliver supervised, time‑limited individual and group therapy, conduct assessments, develop treatment plans, and maintain documentation while adhering to agency policies and ethical standards.

Student Campus Marketing Intern on the Barnes & Noble Education campus store team at the University of Toledo. The role supports digital marketing, brand strategy, and experiential campaigns by creating social media content, planning events, and collaborating with campus partners.

Company Description Headquartered in Perrysburg, Ohio, O‑I Glass, Inc. (NYSE: OI) is one of the world’s leading producers of glass bottles and jars, serving many of the world’s most recognized food and beverage brands. With approximately 24,000 employees across 60+ plants in 19 countries, O‑I delivers sustainable, fully recyclable glass packaging at global scale.

O-I Glass, the world’s largest glass packaging maker, is hiring a Global Grants & Incentives Manager to lead the development, execution, governance, and compliance of the company’s global grants and incentives process. Day-to-day, the role identifies and evaluates funding opportunities, leads applications and negotiations, oversees benefit realization, and manages cross-functional, cross-regional workstreams across Finance, Operations, Engineering, Legal, Tax, and other teams.

O-I's Financial Leadership Development Program (FLDP) Internship prepares high-potential talent for future leadership roles in accounting and finance. As an FLDP Intern, you will rotate through Commercial Finance, Accounting, Operations Finance, and Financial Planning & Analysis teams within the America's North Region, completing deep-dive assignments, shadowing, and mentorship under the FLDP leader and rotational managers.

O-I is a global glass packaging producer with over 120 years of experience serving food, beverage, cosmetics, and pharmaceutical brands. The Supply Chain (Logistics) Intern supports the Supply Chain function in Perrysburg, Ohio, assisting with projects across buying and expediting, invoice resolution, spend analysis, master data analysis, freight tendering, and inventory tracking.

O-I Glass is the world’s leading glass container manufacturer, and the North America Supply Planning team seeks a Supply Chain Planning Intern to support forecast accuracy, inventory optimization, and end-to-end supply chain performance. Day-to-day work includes analyzing supply chain data, assisting demand and supply planning across multiple manufacturing sites, building planning tools and dashboards, and collaborating in cross-functional meetings.

Company Description Headquartered in Perrysburg, Ohio, O‑I Glass, Inc. (NYSE: OI) is one of the world’s leading producers of glass bottles and jars, serving many of the world’s most recognized food and beverage brands. With approximately 24,000 employees across 60+ plants in 19 countries, O‑I delivers sustainable, fully recyclable glass packaging at global scale.

First Solar's Workforce Development Internship (Fall 2026/Spring 2027) is an in-person opportunity at the Perrysburg, Ohio facility for someone passionate about manufacturing and training. The intern works closely with team members to learn production processes and partners with experts to create, develop, and implement training for the manufacturing workforce.

O-I Glass is the world’s leading glass container manufacturer, serving iconic food and beverage brands with a focus on innovation and sustainability. As a Supply Chain Planning Intern on the North America Supply Planning team in Perrysburg, Ohio, you will support initiatives that improve forecast accuracy, inventory optimization, and end-to-end supply chain performance.

O-I is a global glass packaging producer seeking a Supply Chain (Logistics) Intern for Fall 2027 in Perrysburg, Ohio. The intern assists with key Supply Chain areas including buying, expediting, invoice resolution, spend analysis, master data analysis, freight tendering, and transportation spend analysis.

This is a hybrid internship based in Perrysburg, Ohio. Interns are expected to work on-site Tuesdays, Wednesdays, and Thursdays to maximize collaboration, mentorship, and exposure to the business, with flexibility to accommodate academic schedules.

Manufacturing Execution Systems (MES) Software Team at First Solar builds and maintains software that monitors and optimizes solar manufacturing processes. The intern will develop code in Python or C#, write SQL queries, support CI/CD pipelines, and assist with AI-driven onboarding tools while collaborating with operations and R&D teams.