Jonathan Klein
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Jonathan Klein Email & Phone Number

Sr. Manager - Managed Services at CDW
Location: Greater Madison Area, United States 11 work roles 2 schools
1 work email found @caleres.com 1 phone found area 314 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email j****@caleres.com
Direct phone (314) ***-****
LinkedIn Profile matched
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Current company
CDW
Role
Sr. Manager - Managed Services
Location
Greater Madison Area, United States
Company size

Who is Jonathan Klein? Overview

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Quick answer

Jonathan Klein is listed as Sr. Manager - Managed Services at CDW, a with 18045 employees, based in Greater Madison Area, United States. AeroLeads shows a work email signal at caleres.com, phone signal with area code 314, and a matched LinkedIn profile for Jonathan Klein.

Jonathan Klein previously worked as Senior Manager, IT at Caleres, Inc. and Sr. Manager, IT at Caleres, Inc.. Jonathan Klein holds Master'S Degree, Information Managment from Washington University In St. Louis.

Company email context

Email format at CDW

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{first_initial}{last}@caleres.com
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AeroLeads found 1 current-domain work email signal for Jonathan Klein. Compare company email patterns before reaching out.

Profile bio

About Jonathan Klein

As a Sr. Manager, IT at Caleres, Inc., I lead a cross-functional team of database architects and engineers who manage and maintain the company's various database technologies. With over 20 years of experience in the IT field, I have developed a strong expertise in hardware and IBM i systems, as well as technical support and ITIL best practices.My mission is to define and drive the company's infrastructure architecture strategy, ensuring that it aligns with the business objectives and meets the customer needs. I have successfully reduced downtime, saved costs, and boosted customer satisfaction by implementing efficient solutions, solving complex IT problems, and collaborating with internal and external stakeholders. I am passionate about delivering high-quality IT services that enhance the company's performance and growth.

Listed skills include Disaster Recovery, Ibm Iseries, Troubleshooting, Windows Server, and 31 others.

Current workplace

Jonathan Klein's current company

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CDW
Cdw
Sr. Manager - Managed Services
Madison, WI, US
Website
Employees
18045
AeroLeads page
11 roles

Jonathan Klein work experience

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

Sr. Manager - Managed Services

Cdw

Madison, Wi, Us

Sr. Manager, It

Current

St. Louis, Missouri, Us

Manage the Database Architecture team who administer and maintain the company's various database technologies which includes SQL Server, DB2 LUW, DB2 on i, and Oracle.Manage the IT Operations team who monitor and manage our infrastructure systems ensuring its availability and performance 24/7.Reduced IT Operations FTE costs by leading an effort to offshore responsibilities to a managed services provider.ServiceNow platform owner responsible for strategy, adoption, and evolution of the platform.Maintain and manage the CMDB to ensure correctness and accuracy of configuration items and the services they support.Own the adherence and tracking of ITSM processes including Incident, Change, Problem, Request, and event management.Established KPI reporting to measure the effectiveness and delivery of the IT services we provide.Leading an IT automation project to automate level 1 repeatable tasks through scripting to provide a frictionless experience to our end users.Leading an effort to enhance our Disaster Recovery process to ensure the services that support our business are available in the event of a disaster or ransomware.

May 2022 - Present

It Manager

St. Louis, Missouri, Us

Responsible for managing the Database Architecture team who manage and maintain the companies various database technologies. Lead a cross-functional IT team responsible for defining and driving the company's architecture strategy.

Jul 2015 - May 2022

Systems Engineer Lead

St. Louis, Missouri, Us

Apr 2015 - Jul 2015

Senior Systems Engineer

St. Louis, Missouri, Us

Responsible for the administration of the IBM i and Microsoft SQL server landscapes.IBM iReduced administrative overhead by fully automating the IBM i IPL process using BRMS.Assisted with the implementation of a virtual tape library reducing backup time by 50%.Created scripts to automate the daily tasks involved with keeping MIMIX logical replication in sync between DR sites.Upgraded IBM i OS from V5R4 to 7.1 to allow business to take advantage of new features.Assisted with the upgrade/migration of our Power 6 environment to Power 7 with external storage.Assisted with the migration and implementation of PowerHA for IBM i which reduced recovery time from 5 hours down to 15 minutes.Automated manual role-swap tasks with CL scripts.SQL Server:Centralized and standardized all SQL backup configuration using Dell's LightSpeed product.Upgraded critical landscape from SQL 2005 to SQL 2012 with very little down time.Configured SQL server clustering to shorten recovery time.

Dec 2011 - Apr 2015

Senior Computer Operations Specialist

St. Louis, Missouri, Us

Feb 2011 - Dec 2011

Operations Specialist

St. Louis, Missouri, Us

Administered Brown Shoes job scheduling environments utilizing Cisco TidalEnterprise Scheduler(Open Systems) and Help/Systems ROBOT Job Scheduler(iSeries).Helped facilitate a full datacenter move that resulted in less than 1 hour ofdowntime.Worked with the iSeries team to automate disaster recovery procedures usingVision's MIMIX replication software.

Jul 2008 - Feb 2011

I.S. Lead Operations Representative

St. Louis, Missouri, Us

Created an Incident/Problem Management log for Operations to log Incidents that occurred on their shift.Created a common repository and format for the Operations Standard Operating Documents.Developed reports for executive management to display current state of our IT environment.Shifted my work hours in order to cover for vacations and sick time for the other Operators.Helped with the implementation of Microsoft Operations Manager into the Brown Shoe environment. Worked with the Network team to convert our retail locations from frame relay to DSL.

Jun 2006 - Jul 2008

Computer Operations Representative

St. Louis, Missouri, Us

Basic hardware, software and network troubleshootingMonitoring incremental and full backups Resolving issues swiftly and accurately to meet customer's needs.Following proper escalation procedure and monitoring.Insuring all system hardware, software and web sites are operating at peak performance.Documenting procedures for Operations tasks.

Jun 2002 - Jun 2006

Order Processor - Shipping

St. Louis, Missouri, Us

Loaded trailers for delivery to FamousFootwear stores.

Apr 1999 - Jun 2002
Team & coworkers

Colleagues at CDW

Other employees you can reach at cdw.com. View company contacts for 18045 employees →

2 education records

Jonathan Klein education

Master'S Degree, Information Managment

Washington University In St. Louis

Bachelor Of Science, Technology Management - Computer Networking

Herzing College
FAQ

Frequently asked questions about Jonathan Klein

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

What company does Jonathan Klein work for?

Jonathan Klein works for CDW.

What is Jonathan Klein's role at CDW?

Jonathan Klein is listed as Sr. Manager - Managed Services at CDW.

What is Jonathan Klein's email address?

AeroLeads has found 1 work email signal at @caleres.com for Jonathan Klein at CDW.

What is Jonathan Klein's phone number?

AeroLeads has found 1 phone signal(s) with area code 314 for Jonathan Klein at CDW.

Where is Jonathan Klein based?

Jonathan Klein is based in Greater Madison Area, United States while working with CDW.

What companies has Jonathan Klein worked for?

Jonathan Klein has worked for Cdw and Caleres, Inc..

Who are Jonathan Klein's colleagues at CDW?

Jonathan Klein's colleagues at CDW include Andy Narayan, Timothy Lee, Dee Maceachern, Alejandro Saldana, and Fiona Fitzsimons.

How can I contact Jonathan Klein?

You can use AeroLeads to view verified contact signals for Jonathan Klein at CDW, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Klein attend?

Jonathan Klein holds Master'S Degree, Information Managment from Washington University In St. Louis.

What skills is Jonathan Klein known for?

Jonathan Klein is listed with skills including Disaster Recovery, Ibm Iseries, Troubleshooting, Windows Server, It Operations, Microsoft Sql Server, Software Documentation, and T Sql.

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