John Chrapkowski
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John Chrapkowski Email & Phone Number

Network and Security Engineer at BlockFills
Location: Greater Chicago Area, United States, United States 11 work roles
1 work email found @blockfills.com 5 phones found area 312, 708, and 866 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 5 phones

Work email j****@blockfills.com
Direct phone (312) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Network and Security Engineer
Location
Greater Chicago Area, United States, United States
Company size

Who is John Chrapkowski? Overview

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Quick answer

John Chrapkowski is listed as Network and Security Engineer at BlockFills, a company with 10 employees, based in Greater Chicago Area, United States, United States. AeroLeads shows a work email signal at blockfills.com, phone signal with area code 312, 708, 866, and a matched LinkedIn profile for John Chrapkowski.

John Chrapkowski previously worked as Owner at Jar Jewelry Design and Vice President CyberSecurity Technologies at Bank Of America.

Company email context

Email format at BlockFills

This section adds company-level context without repeating John Chrapkowski's masked contact details.

{first}.{last}@blockfills.com
89% confidence

AeroLeads found 1 current-domain work email signal for John Chrapkowski. Compare company email patterns before reaching out.

Profile bio

About John Chrapkowski

John Chrapkowski is a Network and Security Engineer at BlockFills. He possess expertise in enterprise architecture, security, unix, sdlc, strategy and 27 more skills.

Listed skills include Enterprise Architecture, Security, Unix, Sdlc, and 28 others.

Current workplace

John Chrapkowski's current company

Company context helps verify the profile and gives searchers a useful next step.

BlockFills
Blockfills
Network and Security Engineer
chicago, illinois, united states
Website
Employees
10
AeroLeads page
11 roles

John Chrapkowski work experience

A career timeline built from the work history available for this profile.

Network And Security Engineer

Current

Chicago, Illinois, United States

Responsible for day to day network,systems and security

Aug 2022 - Present

Owner

Current
Jar Jewelry Design

Westchester IL

Hand crafted from design to investment to casting our Jewelry is one of kind using only the finest metals and gemstone. A father and his two sons provide all services

Feb 2022 - Present

Vice President Cybersecurity Technologies

Chicago, IL

Feb 2018 - Aug 2022

Assistant Vice President - Information Security Specialist. Cybersecurity Technologies

Greater Chicago Area

Primary and backup manager of several critical industry standard security applications deployed at the Bank.

Feb 2016 - Feb 2018

Design Team Lead - Officer

Assess, recommend and implement appropriate solutions for hardware and software, currently focusing on Information SecurityCollect requirements and translate into deployable designs while maintaining Bank standards.Work with business units to ensure functional and non-functional requirements are met.Liaison between business units and network, middleware.

Jan 2008 - Nov 2015

Enterprise Architect

Developed designs both strategic as well as pragmatic. Worked towards standards, limiting waste and rework.

Nov 2002 - Aug 2006

Founder/Owner

Greater Chicago Area

Started small ISP and was principle Unix and network lead. Responsible for both operational and strategic direction

Sep 1998 - Jun 2004

Unix System Administrator

Mar 2002 - Oct 2002

Network Engineer

Brandgaurd Corp.

BrandGuard attempted to present a web based method for advertisers to maintain brand control, while allowing quicker advertising and marketing operations. The goal was to keep control of intellectual assets and graphics, while allowing franchisees to select from appropriate marketing and advertising materials. Clients could order print materials on line.

Feb 2000 - Feb 2001

Unix System Administrator

Gbar Partnership

GBar was an options trading company. I was the lead administrator for a good portion of my career there. Server maintainence and even wireless network (yes in 1998!) were also amongst my responsibility.

Mar 1998 - Jan 2000
Team & coworkers

Colleagues at BlockFills

Other employees you can reach at blockfills.com. View company contacts for 10 employees →

FAQ

Frequently asked questions about John Chrapkowski

Quick answers generated from the profile data available on this page.

What company does John Chrapkowski work for?

John Chrapkowski works for BlockFills.

What is John Chrapkowski's role at BlockFills?

John Chrapkowski is listed as Network and Security Engineer at BlockFills.

What is John Chrapkowski's email address?

AeroLeads has found 1 work email signal at @blockfills.com for John Chrapkowski at BlockFills.

What is John Chrapkowski's phone number?

AeroLeads has found 5 phone signal(s) with area code 312, 708, 866 for John Chrapkowski at BlockFills.

Where is John Chrapkowski based?

John Chrapkowski is based in Greater Chicago Area, United States, United States while working with BlockFills.

What companies has John Chrapkowski worked for?

John Chrapkowski has worked for Blockfills, Jar Jewelry Design, Bank Of America, Abnamro Bank Na, and Abn Amro Bank N.V..

Who are John Chrapkowski's colleagues at BlockFills?

John Chrapkowski's colleagues at BlockFills include Mark Doucette, Simon Karmel, Dan Schak, Norman Lee, and Emily Ormsby.

How can I contact John Chrapkowski?

You can use AeroLeads to view verified contact signals for John Chrapkowski at BlockFills, including work email, phone, and LinkedIn data when available.

What skills is John Chrapkowski known for?

John Chrapkowski is listed with skills including Enterprise Architecture, Security, Unix, Sdlc, Strategy, Integration, Business Analysis, and Enterprise Software.

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