Information Security

Company: Old Second National Bank
Location: Downers Grove
Posted on: February 19, 2026

Job Description:

Job Description Job Description Who We Are At Old Second, you're first! For more than 150 years, Old Second has consistently put businesses and individuals throughout the Chicago area first, and we're only getting started. With great employees we've grown from a single location in the back of a general store to 50 locations and over $6 billion dollars in assets. At Old Second we embrace values that foster an environment of community and growth. Recently, we've been voted a Forbes Best-In-State Bank for Illinois by our customers. Be a part of something big as we continue our growth story together! What Makes You a Great Fit You are an undergraduate college-level student who is interested in gaining financial and operational experience in a Community Bank environment. You are willing to work onsite to learn from field experts and gain valuable exposure to bank operations and financial processes. What we Offer This is a paid internship. You will gain first-hand knowledge within your area of interest, which may include: Firsthand job shadowing experience observing long tenured professional bank staff Development of communication and presentation skills within a professional work environment A thorough understanding of bank policies and external regulatory requirements. Participation in education events, networking and presentations. Compensation Base pay: $20.00/hour Old Second is committed to fair and equitable pay practices. Pay is dependent upon the pay range and the incumbent's knowledge, skills and experience. Benefits Interns working a fifteen-week assignment (or less) will accrue two days of PTO and will receive holiday pay. Minimum Qualifications Must have a high school diploma or equivalent and be in pursuit of an undergraduate college degree, as follows: Currently enrolled in college; or Enrolled in college for Fall 2026; or College graduate between May 2025 – June 2026 Must have reliable transportation and be able to work onsite. Onsite locations depend on the department. Common onsite locations include Downers Grove, Oakbrook, Aurora and Chicago-Wacker. Must be available to work 20-40 hours per week and be available to start late May/early June through the end of July/early August. Internship durations vary between 8 – 12 weeks. Competencies Proficient in using Window 2010 Office software with intermediate skills in Word, Excel and PowerPoint. High degree of accuracy and attention to detail. Ability to work in a fast-paced environment; prioritizing work and multi-tasking. Desire to work in a professional environment. Information Security Internship What You'll Gain As an Information Security Intern, you will work directly with our Information Security Officer, Security Operations Center (SOC), and broader InfoSec team to gain real?world experience, including: Exposure to identity and access management (IAM), risk assessments, and security governance. Hands?on experience reviewing security events, phishing incidents, malware alerts, and vulnerability findings. Experience with SIEM, EDR, threat intelligence platforms, and incident response procedures. Participation in real incident response workflows, ticket remediation, and reporting. Exposure to cybersecurity policy, audit requests, governance, and compliance functions. Collaboration with IT, cybersecurity teams, and business units to understand how security protects the enterprise. Internship Responsibilities: Security Operations & Monitoring Assist with initial triage of security events (phishing, malware, suspicious activity). Investigate alerts using SOC tools (SIEM, EDR, threat intelligence solutions). Identify patterns/outliers aligned with attacker TTPs and insider threat behaviors. Monitor vulnerability disclosures and assess impacts to the institution. Identity & Access Management (IAM) Support User Access Reviews (UAR), Password Complexity checks, Segregation of Duties evaluation. Assist in documenting access review processes and tracking remediation tickets. Participate in IAM governance meetings and minute?taking. Governance, Risk & Compliance Assist with internal IS compliance reviews and evidence gathering during audits. Help update policies, standards, playbooks, and awareness materials. Support incident documentation, reporting, and risk assessments. Tools You May Work With Microsoft Defender, Red Canary, Recorded Future, and additional security monitoring tools. Thanks for considering Old Second!

Keywords: Old Second National Bank, Mishawaka , Information Security, IT / Software / Systems , Downers Grove, Indiana