Jonathan L.
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Jonathan L. Email & Phone Number

Information Technology Engineer at Flow Traders
Location: New York City Metropolitan Area, United States, United States 6 work roles 1 school
1 work email found @ztsystems.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email j****@ztsystems.com
LinkedIn Profile matched
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Current company
Role
Information Technology Engineer
Location
New York City Metropolitan Area, United States, United States
Company size

Who is Jonathan L.? Overview

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Quick answer

Jonathan L. is listed as Information Technology Engineer at Flow Traders, a company with 872 employees, based in New York City Metropolitan Area, United States, United States. AeroLeads shows a work email signal at ztsystems.com and a matched LinkedIn profile for Jonathan L..

Jonathan L. previously worked as Senior System Engineer at Zt Systems and System Engineer at Zt Systems. Jonathan L. holds Computer/Network Support Technician Certification from Lincoln Tech.

Company email context

Email format at Flow Traders

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*@ztsystems.com
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Profile bio

About Jonathan L.

IT professional with 10+ years experience looking to become moreknowledgeable in the IT field while also using my currentknowledge where it can be fully utilized.

Current workplace

Jonathan L.'s current company

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Flow Traders
Flow Traders
Information Technology Engineer
New York, NY, US
Website
Employees
872
AeroLeads page
6 roles

Jonathan L. work experience

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

Information Technology Engineer

New York, NY, US

Senior System Engineer

Current

Secaucus, New Jersey, United States

Aug 2024 - Present

System Engineer

Current
  • Led Okta deployment across 50+ IT and end-user websites, integrating Active Directory with Workday to automate RBAC onboarding & offboarding, supporting 4,000 employees and securing 60,000 monthly logins.
  • Enhanced and maintained Office 365, Active Directory, Okta, Entra ID, Intune, DUO, file share servers, CyberArk & AWS; reducing IT support tickets by 30% and increased user satisfaction scores by 70%.
  • Managed level 5 escalations, acting as the final escalation point, and regularly closed out over 200+ tickets per month utilizing ServiceNow & Jira. Authored 100+ knowledge articles for recurring escalations.
  • Employed Qualys cloud security & Manage Engine to patch and update 550+ servers per month, reducing vulnerabilities and business downtime by 95%. Communicated results to ensure timely audit compliance.
  • Engineered specialized PowerShell scripts with user-friendly GUIs to enhance workflow automation, cutting down task completion times and yielding a 20-hour weekly time savings across departments.
  • Drove the deployment of Intune MDM, MAM & CIS hardening, alongside Infosec team, increasing security posture and compliance on 3000+ Computers & Servers.
Jun 2022 - Present

Senior It Operations Engineer

  • Prior to promotion as Systems Engineer, resolved escalations from level 3 helpdesk team closing 230+ tickets per month. Troubleshooting Office 365, AWS, Exchange and hardware issues.
  • Designed and executed multi-phase training curriculum for newly onboarded IT support staff, reducing ticket resolution times by 40% within 3 months.
  • Managed new hire setups, licensing & IT inventory for 5 locations in Secaucus.
Aug 2020 - Jun 2022

Senior Technical Analyst

  • Deliver solutions to 600+ users (NY and International offices) in a Corporate Enterprise Environment. Main role is to identify, troubleshoot and respond to emergency situations impacting the businesses supported. Focus.
  • Create user accounts and deal with terminations / archiving mailboxes
  • Assist in deploying new phone system (teams), As well as converting all users from Windows 7 to Windows 10 and new PCs and Office 365
  • Administer MS Exchange 2010 in an Active Directory/Domain environment, Lync Server 2010 and Print Server (Server 2008 R2)
  • Oversee various cellular technologies (iPad, iPhone, Android and blackberry) for remote connectivity including Corporate E-mail – Utilizing Maas360 / IntuneTraining on various Microsoft Office Suite applications (2016.
Apr 2015 - Aug 2020

Internship

Fairfield, New Jersey, United States

Work hands on to repair printers Assist in fixing errors on serverFollowed and assisted leadership in assisting remote users

Jan 2015 - Mar 2015
Team & coworkers

Colleagues at Flow Traders

Other employees you can reach at flowtraders.com. View company contacts for 872 employees →

1 education record

Jonathan L. education

  • Lincoln Tech
    Computer/Network Support Technician Certification
FAQ

Frequently asked questions about Jonathan L.

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

What company does Jonathan L. work for?

Jonathan L. works for Flow Traders.

What is Jonathan L.'s role at Flow Traders?

Jonathan L. is listed as Information Technology Engineer at Flow Traders.

What is Jonathan L.'s email address?

AeroLeads has found 1 work email signal at @ztsystems.com for Jonathan L. at Flow Traders.

Where is Jonathan L. based?

Jonathan L. is based in New York City Metropolitan Area, United States, United States while working with Flow Traders.

What companies has Jonathan L. worked for?

Jonathan L. has worked for Flow Traders, Zt Systems, Active International, and Pinnacle Consulting Group, Inc.

Who are Jonathan L.'s colleagues at Flow Traders?

Jonathan L.'s colleagues at Flow Traders include Jesse Jann Te Kulve, Mark Vavilov, Ruben Brons, Ada Florentina Cohen, and Farhud Manzoori.

How can I contact Jonathan L.?

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

What schools did Jonathan L. attend?

Jonathan L. holds Computer/Network Support Technician Certification from Lincoln Tech.

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