System Administrator
Current
May 2018 - Present
AeroLeads people directory · profile
Jonathan Medrano Email & Phone Number
Systems Administrator at CTS
at
Castema Technology Services, Inc.
1 work email found
@castema.com
4 phones found area 773, 312, and 866
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Systems Administrator at CTS
Location
Greater Chicago Area, United States
Who is Jonathan Medrano? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Jonathan Medrano is listed as Systems Administrator at CTS at Castema Technology Services, Inc., based in Greater Chicago Area, United States. AeroLeads shows a work email signal at castema.com, phone signal with area code 773, 312, 866, and a matched LinkedIn profile for Jonathan Medrano.
Jonathan Medrano previously worked as System Administrator at Castema Technology Services, Inc. and Systems Administrator at Akira Chicago. Jonathan Medrano holds Comptia A+ Certification, Computer Technology/Computer Systems Technology from Self-Obtained.
Company email context
Email format at Castema Technology Services, Inc.
This section adds company-level context without repeating Jonathan Medrano's masked contact details.
{first}{last}@castema.com
86% confidence
AeroLeads found 1 current-domain work email signal for Jonathan Medrano. Compare company email patterns before reaching out.
Profile bio
About Jonathan Medrano
Experienced System Administrator with a demonstrated history of working in the information technology and services industry. Skilled in Microsoft Word, English, Adobe Photoshop, Video Conferencing, and Cisco Meraki. Strong information technology professional with a CompTIA A+ Certification focused in Computer Technology/Computer Systems Technology from Self-obtained.
Listed skills include Microsoft Office, Microsoft Excel, Customer Service, Active Directory, and 25 others.
Current workplace
Jonathan Medrano's current company
Company context helps verify the profile and gives searchers a useful next step.
4 roles
Jonathan Medrano work experience
A career timeline built from the work history available for this profile.
Systems Administrator
Essential DutiesImplements, installs, configures, monitors, troubleshoots, and evaluates existing and new Microsoft Windows server operating systems.Responsible for integration of user work stations, including MAC workstations, with Microsoft Windows server operating systems and Active Directory. Regularly confers with database programmers, analysts, other systems administrators, and users regarding current and prospective system changes and future needs. Provides support to site-managed technical staff regarding system administration and usage. Directs efforts of technicians who are involved in diagnosing and correcting system related failures and performing system management activities; determines logical solutions to complex system administration and retail-base application (Micros - Xstore) problems.
Feb 2015 - May 2018
It Instructor
America Business College
Feb 2010 - Apr 2015
It Instructor / Computer Technician
America Business College
Mar 2010 - Feb 2015
3 education records
Jonathan Medrano education
Comptia A+ Certification, Computer Technology/Computer Systems Technology
Self-Obtained
Comptia Strata Certification, Computer And Information Sciences And Support Services
Self-Thought
Certification, Information Technology
Carl Schurz High School
FAQ
Frequently asked questions about Jonathan Medrano
Quick answers generated from the profile data available on this page.
What company does Jonathan Medrano work for?
Jonathan Medrano works for Castema Technology Services, Inc..
What is Jonathan Medrano's role at Castema Technology Services, Inc.?
Jonathan Medrano is listed as Systems Administrator at CTS at Castema Technology Services, Inc..
What is Jonathan Medrano's email address?
AeroLeads has found 1 work email signal at @castema.com for Jonathan Medrano at Castema Technology Services, Inc..
What is Jonathan Medrano's phone number?
AeroLeads has found 4 phone signal(s) with area code 773, 312, 866 for Jonathan Medrano at Castema Technology Services, Inc..
Where is Jonathan Medrano based?
Jonathan Medrano is based in Greater Chicago Area, United States while working with Castema Technology Services, Inc..
What companies has Jonathan Medrano worked for?
Jonathan Medrano has worked for Castema Technology Services, Inc., Akira Chicago, and America Business College.
How can I contact Jonathan Medrano?
You can use AeroLeads to view verified contact signals for Jonathan Medrano at Castema Technology Services, Inc., including work email, phone, and LinkedIn data when available.
What schools did Jonathan Medrano attend?
Jonathan Medrano holds Comptia A+ Certification, Computer Technology/Computer Systems Technology from Self-Obtained.
What skills is Jonathan Medrano known for?
Jonathan Medrano is listed with skills including Microsoft Office, Microsoft Excel, Customer Service, Active Directory, Microsoft Word, Powerpoint, Windows, and Outlook.
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