Sam Yu: Email & Phone Number

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Network Technical Manager at DayOne|Hong Kong SAR

Position:

Network Technical Manager at DayOne

Location:

Hong Kong SAR

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Last updated: 2026-07-28

Updated: 2026-07-28

Found email addresses for Sam Yu:

Business emails:

s***u@chinatelecomglobal.com

Found phone for Sam Yu:

+852-***-***-0033

A different Sam Yu?

Work Experience 15 years

Network Technical Manager at DayOne

Jan 2026 - Current

Manager at HKT Service Limited

Dec 2024 - Jan 2026

Senior solution consultant at CMBC International Holdings Limited

Jul 2024 - Dec 2024

Senior Solutions Manager at Huawei

May 2023 - Dec 2024

Solution Consultant at China Telecom Global

Oct 2019 - Dec 2024

Senior Networking Engineer at 3D Infosystems

Dec 2011 - Oct 2019

Sam Yu started working in 2011, then the employee has changed 5 companies and 5 jobs. On average, Sam Yu works for one company for 2 years 9 months.

Their professional focus is Checkpoint Firewall, Cisco Certified, and 思科技术 across 3 core areas.

Sam holds CCIE DC, CCIE Routing and switching, and CCIE security certifications.

Frequently Asked Questions

What is Sam Yu's email address?

SignalHire found a verified business email address for Sam Yu: s***u@chinatelecomglobal.com.

What is Sam Yu's phone number?

SignalHire found a verified phone number for Sam Yu: +852-***-***-0033.

How do I contact Sam Yu at DayOne?

You can reach Sam Yu through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Sam Yu's professional background?

Sam Yu has 15 years of professional experience. They have held roles including Manager, Senior solution consultant, and Senior Solutions Manager at companies such as HKT Service Limited, CMBC International Holdings Limited, and Huawei.

Is Sam Yu's contact information up to date?

Yes. Sam Yu's SignalHire profile was last updated on 28 July 2026, reflecting their current position as Network Technical Manager at DayOne in Singapore, Singapore.

Sam Yu Namesakes

Name

Company

Position

Sam Yu

SCCC | Alibaba Cloud

Senior Vice President

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Sam YU

Springer Nature

Editor, SSCI-indexed Humanities & Social Sciences Communications

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Sam Yu

System Engineer Project Manager

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Weng Sum Leong

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Patrick Zhou

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tesla edmud

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