Information Security Co-op - Application Security - Summer 2026

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GENERAL FUNCTION

The Information Security organization is responsible for safeguarding the bank's digital assets, customer data, and critical infrastructure against evolving cyber threats. These teams work collaboratively to embed security into all business processes and technologies and stand at the ready to protect the bank against emerging threats. By defining and maintaining a strong security posture, the Information Security organization plays a critical role in advancing Fifth Third's mission to be the One Bank people most value and trust.

The Information Security Co-Op will directly support this mission by contributing to the placement team's active security projects and initiatives. Actual deliverables and responsibilities will vary by team and are more clearly defined below.

ASSIGNMENT OVERVIEW

Are you passionate about cybersecurity and eager to make a real impact early in your career? Join Fifth Third Bank's Application Security team, a key part of our Enterprise Vulnerability Management (EVM) Program. Our program supports Information Security's mission to revolutionize bank security and build trust in a digital world-and we're looking for curious, driven individuals to help us do just that.

In this role, you'll work alongside experienced security engineers to identify and prioritize application vulnerabilities, build strong partnerships with development teams, and contribute to improving the Bank's overall risk posture. In short, you'll help break things to make them stronger.

This is a hands-on opportunity to learn, grow, and make meaningful contributions in a fast-paced, supportive environment.

Why Join Us?

• Hands-on experience with real tools, real code, and real impact
• Mentorship and learning from industry professionals who love what they do
• Opportunities to innovate and contribute to meaningful projects
• Collaborative culture that values your ideas and growth
• A mission that matters - help build trust in a digital world

ESSENTIAL DUTIES & RESPONSIBILITIES

• Support new and ongoing security projects
• Perform assignments and projects as determined by leadership
• Adapt to feedback and work in a dynamic, team-oriented environment
• Build a network of contacts across teams and lines of business
• Consistently adhere to bank policy and security best practices
• Communicate clearly and professionally, both verbally and in writing
• Demonstrate initiative, curiosity, and a willingness to learn
• Manage time effectively and meet deadlines
• Perform other duties as assigned

You may be involved in a variety of impactful projects, such as:

• Penetration Testing - Paired with mentors and independently, ethically hack our business applications and uncover vulnerabilities
• Vulnerability Disclosure and Bug Bounty programs - Help manage submissions from external researchers and learn how we respond to real threats
• Code Analysis - Investigate false positive vulnerabilities flagged by industry tools and sharpen your detective skills
• Development Team Collaboration - Work directly with developers to understand and remediate vulnerabilities

SUPERVISORY RESPONSIBILITIES: None.

MINIMUM REQUIRED KNOWLEDGE, SKILLS & ABILITIES

• Must be authorized to work in the U.S. without the need for employment-based immigration sponsorship now or in the future.
• Current enrollment in accredited undergraduate degree program studying Cybersecurity, Computer Science, or similar relevant field
• Strong academic record with a minimum cumulative GPA of 3.0.
• Self-discipline and time management skills, especially in a virtual work setting
• Willingness and ability to learn new tools, technologies, and concepts
• Basic understanding of core information security principles
• Strong understanding of web application technologies (Backend, APIs, Frontend)
• Experience with a scripting language (e.g., Python)
• Curiosity and a passion for making tech safer

PREFERRED KNOWLEDGE, SKILLS & ABILITIES

• Relevant internship and/or co-op experience
• Comfortable working in the command line
• Familiarity with tools likenmap,netstat,BurpSuite, Wireshark
• Exposure to container technologies like Docker

#EarlyCareers

#OneBankCoOp

#OneBankSummerExperience

At Fifth Third, we understand the importance of recognizing our employees for the role they play in improving the lives of our customers, communities and each other. Our Total Rewards include comprehensive benefits and differentiated compensation offerings to give each employee the opportunity to be their best every day.

The base salary for this position is reflective of the range of salary levels for all roles within this pay grade across the U.S. Individual salaries within this range will vary based on factors such as role, relevant skillset, relevant experience, education and geographic location.

Fifth Third Bank, National Association is proud to have an engaged and inclusive culture and to promote and ensure equal employment opportunity in all employment decisions regardless of race, color, gender, national origin, religion, age, disability, sexual orientation, gender identity, military status, veteran status or any other legally protected status.