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William Yuan Email & Phone Number
Information Technology Security Engineer II
at
Mastercard
1 work email found
@tenable.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 86%
Current company
Role
Information Technology Security Engineer II
Location
United States, United States, United States
Company size
Who is William Yuan? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
William Yuan is listed as Information Technology Security Engineer II at Mastercard, a company with 42669 employees, based in United States, United States, United States. AeroLeads shows a work email signal at tenable.com and a matched LinkedIn profile for William Yuan.
William Yuan previously worked as Cyber security Technical Support Engineer at Tenable and IT Support Engineer Intern at China Telecom Corporation Limited. William Yuan holds Bachelor Of Applied Science - Basc, Cyber Security Engineering from George Mason University.
Company email context
Email format at Mastercard
This section adds company-level context without repeating William Yuan's masked contact details.
{first_initial}{last}@tenable.com
86% confidence
AeroLeads found 1 current-domain work email signal for William Yuan. Compare company email patterns before reaching out.
Profile bio
About William Yuan
My name is William Yuan and I am a recent Cyber Security Engineering graduate from George Mason University. I am very adamant about anything tech-related!
Current workplace
William Yuan's current company
Company context helps verify the profile and gives searchers a useful next step.
Mastercard
4 roles
William Yuan work experience
A career timeline built from the work history available for this profile.
Cyber Security Technical Support Engineer
Current- Supported customers across diverse industries in installing, configuring, using, and troubleshooting all Tenable products, including Nessus, Tenable.sc, and Tenable Vulnerability Management.
- Conducted audit scans in accordance with multiple compliance standards, including PCI, SCAP (FDCC/USGCB, NIST, and DISA STIG), NSA, GLBA, HIPAA, and others, covering sensitive file contents, database audits, and.
- Configured multiple virtual machines for testing Tenable products. The deployed operating systems include Cisco, RedHat/Centos, Mac OSX, virtual appliances, and Windows machines.
- Collaborated with Customer Product Teams, Success Managers, Support Engineerss, and Customers to facilitate the resolution of escalated cases through email, phone, chat, and video calls.
- Troubleshot false positives and false negatives from customer scans to assess the need to escalate to developers utilizing Jira. Followed up with developers and customers until resolution.
- Identified, addressed, and troubleshot false positives and false negatives in customer scans, evaluating the necessity to escalate to developers using Jira. Maintained follow-ups with both developers and customers.
Jul 2022 - Present
It Support Engineer Intern
- Managed China Telecoms Company Directory through Excel.
- Restructured companies zoom directory to improve accessibility.
- Analyzed and reported on customer service quality improvement opportunities based on CRM system.
- Reorganized hundreds of employee data in Canada and United states CRM.
Jun 2020 - Aug 2021
Research Assistant
- Researched and organized information for her upcoming human rights book.
- Parsed through and tracked over 10,000 human rights articles/papers.
- Used SPSS to track down and analyze the statistics of the provided research.
Nov 2016 - Feb 2018
Team & coworkers
Colleagues at Mastercard
Other employees you can reach at mastercard.com. View company contacts for 42669 employees →
ZF
Zach Ferguson
Colleague at MastercardChesterfield, Missouri, United States, United States
View →
AP
Agrim Patodia
Colleague at MastercardRoorkee, Uttarakhand, India, India
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NB
Nicola Brown
Colleague at MastercardLondon, England, United Kingdom, United Kingdom
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AS
Abu Sadiq
Colleague at MastercardNigeria, Nigeria
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RK
Rahul Kar
Colleague at MastercardPune, Maharashtra, India, India
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MW
Madelyn Weller
Colleague at MastercardChesterfield, Missouri, United States, United States
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H
Harshit
Colleague at MastercardPune, Maharashtra, India, India
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EE
Eva Extremera
Colleague at MastercardZaragoza, Aragon, Spain, Spain
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VK
Vinod Karunakaran
Colleague at MastercardBengaluru, Karnataka, India, India
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SR
Solmarys Rosario
Colleague at MastercardSan Juan, Puerto Rico, Puerto Rico
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Zach Ferguson
Colleague at MastercardChesterfield, Missouri, United States, United States
View →
AP
Agrim Patodia
Colleague at MastercardRoorkee, Uttarakhand, India, India
View →
NB
Nicola Brown
Colleague at MastercardLondon, England, United Kingdom, United Kingdom
View →
AS
Abu Sadiq
Colleague at MastercardNigeria, Nigeria
View →
RK
Rahul Kar
Colleague at MastercardPune, Maharashtra, India, India
View →
MW
Madelyn Weller
Colleague at MastercardChesterfield, Missouri, United States, United States
View →
H
Harshit
Colleague at MastercardPune, Maharashtra, India, India
View →
EE
Eva Extremera
Colleague at MastercardZaragoza, Aragon, Spain, Spain
View →
VK
Vinod Karunakaran
Colleague at MastercardBengaluru, Karnataka, India, India
View →
SR
Solmarys Rosario
Colleague at MastercardSan Juan, Puerto Rico, Puerto Rico
View →
2 education records
William Yuan education
Bachelor Of Applied Science - Basc, Cyber Security Engineering
Education record
FAQ
Frequently asked questions about William Yuan
Quick answers generated from the profile data available on this page.
What company does William Yuan work for?
William Yuan works for Mastercard.
What is William Yuan's role at Mastercard?
William Yuan is listed as Information Technology Security Engineer II at Mastercard.
What is William Yuan's email address?
AeroLeads has found 1 work email signal at @tenable.com for William Yuan at Mastercard.
Where is William Yuan based?
William Yuan is based in United States, United States, United States while working with Mastercard.
What companies has William Yuan worked for?
William Yuan has worked for Mastercard, Tenable, China Telecom Corporation Limited, and George Mason University.
Who are William Yuan's colleagues at Mastercard?
William Yuan's colleagues at Mastercard include Zach Ferguson, Agrim Patodia, Nicola Brown, Abu Sadiq, and Rahul Kar.
How can I contact William Yuan?
You can use AeroLeads to view verified contact signals for William Yuan at Mastercard, including work email, phone, and LinkedIn data when available.
What schools did William Yuan attend?
William Yuan holds Bachelor Of Applied Science - Basc, Cyber Security Engineering from George Mason University.
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