- Employees
- 11-50
- Founded
- 1871
- Listing
- For Profit · NASDAQ:OSBC
- Headquarters
- Aurora, IL
Company data last updated Jul 30, 2025.
About Old Second National Bank
Old Second National Bank is a national banking organization that provides commercial, treasury management and retail banking services.
Open Roles Greenhouse 25 open positions
- AVP/ VP Commercial Banking · Aurora, Illinois, United States; Bensenville, Illinois, United States; Burlington, Illinois, United States; Chicago Heights (K-207); Elburn, Illinois, United States; Elgin, Illinois, United States; Joliet, Illinois, United States; Naperville, Illinois, United States; Palos Heights, Illinois, United States; Saint Charles, Illinois, United States
- Facilities Assistant · Aurora, Illinois, United States; Lombard, Illinois, United States
- Loss Mitigation Team Lead · Reno, Nevada, United States
- NSL - Customer Service Representative I, II, III · Reno, Nevada, United States
- NSL -Customer Service Representative I, II, III · Oakbrook Terrace, Illinois, United States
- Relationship Banker - Lombard (Westmore) · Lombard, Illinois, United States
- Senior Mortgage Loan Processor · Downers Grove, Illinois, United States
- Senior Teller - Lombard, IL (Westmore) · Lombard, Illinois, United States
- Teller - Aurora (Main) · Aurora, Illinois, United States
- Teller Supervisor - Frankfort, IL · Frankfort, Illinois, United States
- Teller Supervisor - Villa Park, IL · Villa Park, Illinois, United States
- Treasury Management Officer · Aurora, Illinois, United States
- Universal Banker Floater (Chicago, Bloomingdale, Carol Stream, Wheaton, Elgin) · Aurora, Illinois, United States; Bloomingdale, Illinois, United States; Carol Stream, Illinois, United States; Chicago, Illinois, United States; Elgin, Illinois, United States; Wheaton, Illinois, United States
- Universal Banker Floater - Chicago Heights · Chicago Heights (K-207)
- Universal Banker Floater - Palos Heights · Chicago, Illinois, United States; Evergreen Park, Illinois, United States; Flossmoor, Illinois, United States; Frankfort, Illinois, United States; Palos Heights, Illinois, United States; South Holland, Illinois, United States
- Universal Banker Floater - St Charles · Saint Charles, Illinois, United States
- Universal Banker Floater - Sycamore, IL · Bartlett, Illinois, United States; Elburn, Illinois, United States; Saint Charles, Illinois, United States; Sycamore, Illinois, United States
- Universal Banker I, II, III - Bolingbrook, IL (East Boughton Rd) · Bolingbrook, Illinois, United States
- Universal Banker I, II, III - Bolingbrook, IL (West Boughton Rd) · Bolingbrook, Illinois, United States
- Universal Banker I, II, III - Chicago (Taylor St.) · Chicago, Illinois, United States
Who to contact at Old Second National Bank
Email Format
Leadership & Decision Makers
Contact details of 13 Old Second National Bank decision makers
Andrew Maychruk
Nick O'Brien
Keith Gottschalk
Jacqueline Runnberg, CFP®
Derek Sammons
Christopher Sebastian
Ginger Mattingly
Darlene Nowak-Baker
General Emails
General company emails, e.g. customer support lines
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Records are compiled from publicly available sources and checked as described in our methodology. Company data last updated Jul 30, 2025.
Frequently Asked Questions about Old Second National Bank
What does Old Second National Bank do?
Old Second National Bank is a national banking organization that provides commercial, treasury management and retail banking services.
Where is Old Second National Bank headquartered?
Old Second National Bank is headquartered in Aurora, IL.
When was Old Second National Bank founded?
Old Second National Bank was founded in 1871.
How many employees does Old Second National Bank have?
Old Second National Bank has approximately 11-50 employees.
What industry is Old Second National Bank in?
Old Second National Bank operates in the Finance & Banking industry.
What is the email format for Old Second National Bank?
The most common email format at Old Second National Bank is {first_letter_first_name}{last_name}@oldsecond.com. For example: flastname@oldsecond.com.
How do I contact Old Second National Bank?
You can contact Old Second National Bank via email at estatements@oldsecond.com or jesjardine@oldsecond.com, headquartered in Aurora, IL.