Jonathan Castillo
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Jonathan Castillo Email & Phone Number

Information Technology and Services Professional at Unisys
Location: Bridgeport, Connecticut, United States 5 work roles 1 school
1 work email found @unisys.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@unisys.com
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Current company
Role
Information Technology and Services Professional
Location
Bridgeport, Connecticut, United States
Company size

Who is Jonathan Castillo? Overview

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Quick answer

Jonathan Castillo is listed as Information Technology and Services Professional at Unisys, a company with 23243 employees, based in Bridgeport, Connecticut, United States. AeroLeads shows a work email signal at unisys.com and a matched LinkedIn profile for Jonathan Castillo.

Jonathan Castillo previously worked as Service Delivery Manager at Unisys and Service Delivery Coordinator at Unisys. Jonathan Castillo holds Bs, Biology from Fairfield University.

Company email context

Email format at Unisys

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{first}.{last}@unisys.com
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AeroLeads found 1 current-domain work email signal for Jonathan Castillo. Compare company email patterns before reaching out.

Profile bio

About Jonathan Castillo

Results driven IT Services Professional with cross functional experience in all phases of Managed Services, including Pre-Sales, Due Diligence, Solution Design, Project Planning, Project Management, Transition, Operations, Large Account Management and Continuous Improvement. Exceptional client-facing skills and deep domain expertise drives credibility and trusted relationships. Recognized for ability to quickly master new concepts and develop solutions that increase efficiency, productivity, and profitability.

Listed skills include Business Relationship Management, Project Management, Problem Solving, Innovator, and 20 others.

Current workplace

Jonathan Castillo's current company

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Unisys
Unisys
Information Technology and Services Professional
blue bell, pennsylvania, united states
Website
Employees
23243
AeroLeads page
5 roles · 30 years

Jonathan Castillo work experience

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

Service Delivery Manager

Current

Trumbull, CT

  • Served as the primary point of contact to the client(s) regarding overall and day-to-day service delivery. Ensured SLAs (service level agreements) and KPI (key performance indicators) as defined in the relevant.
  • Ensured that implementations and ongoing services are delivered on time and meet client requirements by maintaining tight control over the project schedules, risks, scope of work and budget.
  • Built and maintained strong client relationships, and participated in client meetings regarding performance to ensure client satisfaction.
  • Ensured that operational teams and subcontractors maintain a clear understanding of the client's needs, and provided day-to-day client advice and support.
  • Coordinate and deliver global changes related to; hardware refresh, communications, projects, system and application software.
  • Ensure that standardized methods and procedures are used to enable the efficient and prompt handling of projects.
Nov 2009 - Present

Service Delivery Coordinator

Trumbull, CT

  • Ensured SLAs (service level agreements) and KPI (key performance indicators) as defined in the Dell/Unilever contract were met or exceeded for the desk side support and Service Desk services.
  • Balanced scorecard metrics for this position include: P&L profitability, revenue growth, executive relationship management, & service delivery performance.
  • Developed desk side support procedures and process documents to maintain and enhance services.
  • Created and maintained Sharepoint site for Desk side technicians.
  • Ensured timely resolution of customer escalations.
  • Managed the profit margin reducing for desk side services and insured timely and accurate invoicing of time and material services, project work, and change request.
2005 - 2009 ~4 yrs

Remote Support Computer Technician

Trumbull, CT

  • Provided desk side support for 4,000 users at Unilever remote locations which did not have local dedicated desk side engineers (home sales users, sales offices, distribution centers and manufacturing plants).
  • Provided hardware (desktops, laptops and printers) and software support (Unilever applications, MS Office and MS Windows).
  • Provided support for implementation of new hardware and software.
2002 - 2005 ~3 yrs

Service Cneter Tier Two Analyst

Trumbull, CT

  • Migration of Unilever Lipton Service Desk to Unilever Trumbull Service Desk laptop SME, developed documentation and process documentation for Lipton systems and services.
  • Provided Call Center support for Unilever laptop users using Remedy software tool.
  • Provided project support, participating in new application rollout, creating FAQs and support documentation for the Service Desk.
1999 - 2002 ~3 yrs

Trainer - Senior Tech 2

Meca Software Llc

Trumbull, CT

  • Trained technicians for a Call Center staffed with 250 technicians to support personal financial software Managing Your Money for major financial institutions (Bank of America, Royal Bank of Canada, Nation Bank, and.
  • Trained technicians in computer hardware and software troubleshooting for Windows 3.x, Windows 9x, and Windows NT.
  • Trained technicians in web browsers, TCP/IP and internet troubleshooting.
  • Created the curriculum for a range of subjects and created computer based (intranet) web based self-paced training.
  • Created and maintained the Training department’s intranet site.
  • Performed senior tech helpdesk duties in mentoring and developing the skills of level 1 associates.
1996 - 1999 ~3 yrs
Team & coworkers

Colleagues at Unisys

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1 education record

Jonathan Castillo education

FAQ

Frequently asked questions about Jonathan Castillo

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

What company does Jonathan Castillo work for?

Jonathan Castillo works for Unisys.

What is Jonathan Castillo's role at Unisys?

Jonathan Castillo is listed as Information Technology and Services Professional at Unisys.

What is Jonathan Castillo's email address?

AeroLeads has found 1 work email signal at @unisys.com for Jonathan Castillo at Unisys.

Where is Jonathan Castillo based?

Jonathan Castillo is based in Bridgeport, Connecticut, United States while working with Unisys.

What companies has Jonathan Castillo worked for?

Jonathan Castillo has worked for Unisys, Hewlett-Packard, Unilever, and Meca Software Llc.

Who are Jonathan Castillo's colleagues at Unisys?

Jonathan Castillo's colleagues at Unisys include Parth Challa, Dan Lesnieski, Larry Kunz, Marianne Steffens, and Surfraz Nawaz.

How can I contact Jonathan Castillo?

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

What schools did Jonathan Castillo attend?

Jonathan Castillo holds Bs, Biology from Fairfield University.

What skills is Jonathan Castillo known for?

Jonathan Castillo is listed with skills including Business Relationship Management, Project Management, Problem Solving, Innovator, Performance Reporting, Troubleshooting, Remote Desktop, and Issue Management.

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