Allen Koo
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Allen Koo Email & Phone Number

Senior Windows Systems and Cloud Engineer at Fiserv
Location: Staten Island, New York, United States 5 work roles 1 school
1 work email found @fiserv.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

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Work email a****@fiserv.com
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Current company
Role
Senior Windows Systems and Cloud Engineer
Location
Staten Island, New York, United States
Company size

Who is Allen Koo? Overview

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Quick answer

Allen Koo is listed as Senior Windows Systems and Cloud Engineer at Fiserv, a company with 36173 employees, based in Staten Island, New York, United States. AeroLeads shows a work email signal at fiserv.com and a matched LinkedIn profile for Allen Koo.

Allen Koo previously worked as Senior Windows Systems / Cloud Engineer at Fiserv and Windows Support Engineer III at Rackspace Technology. Allen Koo holds Bachelor Of Science, Business Administration from State University Of New York College At Buffalo.

Company email context

Email format at Fiserv

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{first}.{last}@fiserv.com
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Profile bio

About Allen Koo

I’m a dedicated professional with 20+ years of Windows platform engineering achievements across dedicated, cloud, and hybrid environments. I thrive in handling installations, provisioning, design, upgrades, technical documentation, and team training/mentoring. I also build lasting relationships and act as a trusted escalation point for maintaining a resilient and robust infrastructure. Using out-of-the-box thinking, I offer unique solutions for enhancing Windows systems and exceeding all expectations. Selected highlights from my career:• Improved methods for maintaining client servers in dedicated, virtual, and cloud environments at Datapipe/Rackspace, decreasing average ticket resolution times. Sought as the technical point of escalation to the OS Support and Engineering teams, resolving customer issues and ensuring clear, reliable communication.• Enabled the smooth adoption of policy, standards, and procedures. Facilitated the development of a central store of knowledge that increased end-user satisfaction covering 30 clients with 400+ servers.• Attained prestigious Racker Recognition Awards as a top performer across the company.• Received commendations for supporting high-profile clients (Bill Gates, RJ Reynolds). Established strong client relationships and achieved a 99% success rate as part of the maintenance team.Key areas of specialization:Windows / Systems Engineering / Design / Automation / Upgrades / Installations / Provisioning / MaintenanceComplex Problem-Solving / Training & Mentoring / New Technologies / Backups / Customer ServiceAnalysis / Reporting & Documentation / Process Improvement / Virtualization / Clustering / Disaster Recovery

Current workplace

Allen Koo's current company

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Fiserv
Fiserv
Senior Windows Systems and Cloud Engineer
New York, United States
Website
Employees
36173
AeroLeads page
5 roles

Allen Koo work experience

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

Senior Windows Systems And Cloud Engineer

New York, United States

Senior Windows Systems / Cloud Engineer

Current

Short Hills, New Jersey, United States

Aug 2022 - Present

Windows Support Engineer Iii

  • Improved methods for maintaining client servers in dedicated, virtual, and cloud environments, decreasing average ticket resolution times. Sought as the technical point of escalation to the OS Support and Engineering.
  • Revamped processes for troubleshooting, including coaching staff on root cause analysis approaches.
Oct 2017 - Jan 2022

Senior Windows System Administrator

  • Provided superior enterprise-level support as a dedicated primary contact for multiple custom client environments, ranking at the top of all administrators in a large company.
  • Led customer engagements, deployed Amazon Virtual Private Cloud (VPC) resources and AWS EC2 instances, and performed in-depth assessments for improving administration functions and procedures.
  • Standardized the setup and maintenance of client server environments, including Active Directory, database clustering, etc., eliminating recurring productivity issues.
Apr 2004 - Oct 2017

Windows Systems Administrator

Apr 2001 - Apr 2004
Team & coworkers

Colleagues at Fiserv

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1 education record

Allen Koo education

FAQ

Frequently asked questions about Allen Koo

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What company does Allen Koo work for?

Allen Koo works for Fiserv.

What is Allen Koo's role at Fiserv?

Allen Koo is listed as Senior Windows Systems and Cloud Engineer at Fiserv.

What is Allen Koo's email address?

AeroLeads has found 1 work email signal at @fiserv.com for Allen Koo at Fiserv.

Where is Allen Koo based?

Allen Koo is based in Staten Island, New York, United States while working with Fiserv.

What companies has Allen Koo worked for?

Allen Koo has worked for Fiserv, Rackspace Technology, and Datapipe.

Who are Allen Koo's colleagues at Fiserv?

Allen Koo's colleagues at Fiserv include Josue Tencio Esquivel, Madhura Jawalkar, Henderson Ho, Manaoj Goyal, and Sky Gilbert.

How can I contact Allen Koo?

You can use AeroLeads to view verified contact signals for Allen Koo at Fiserv, including work email, phone, and LinkedIn data when available.

What schools did Allen Koo attend?

Allen Koo holds Bachelor Of Science, Business Administration from State University Of New York College At Buffalo.

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