John Mark Valerio: Email & Phone Number

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Software Test Engineer at Atos|Isabela, Cagayan Valley, Philippines

Position:

Software Test Engineer at Atos

Location:

Isabela, Cagayan Valley, Philippines

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Last updated: 2026-05-23

Updated: 2026-05-23

Found email addresses for John Mark Valerio:

Business emails:

m**@atos.net

Found phone for John Mark Valerio:

+63-***-***-8417

A different John Mark Valerio?

Work Experience 8 years

Software Test Engineer at Atos

Apr 2023 - Current

Software Test Engineer at Volenday Group

Apr 2022 - Apr 2023

Data Analyst at Accenture

Jan 2018 - Apr 2022

John Mark Valerio started working in 2018, then the employee has changed 2 companies and 1 job. On average, John Mark Valerio works for one company for 2 years 10 months.

Their professional focus is Application Testing, Cascading Style Sheets (CSS), and Computer Repair across 3 core areas.

John holds Basic SEO: A Beginner's Guide, Learn Shopify Now Shopify for Beginners, and Microsoft Excel Journey from Beginner to Advanced in Excel certifications.

Education

Bachelor of Technology - BTech at Isabela State University

Frequently Asked Questions

What is John Mark Valerio's email address?

SignalHire found a verified business email address for John Mark Valerio: m**@atos.net.

What is John Mark Valerio's phone number?

SignalHire found a verified phone number for John Mark Valerio: +63-***-***-8417.

How do I contact John Mark Valerio at Atos?

You can reach John Mark Valerio 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 John Mark Valerio's professional background?

John Mark Valerio has 8 years of professional experience. They have held roles including Software Test Engineer, and Data Analyst at companies such as Volenday Group, and Accenture. Their education includes Bachelor of Technology - BTech from Isabela State University.

Is John Mark Valerio's contact information up to date?

Yes. John Mark Valerio's SignalHire profile was last updated on 23 May 2026, reflecting their current position as Software Test Engineer at Atos in 95877 Bezons, France.

John Mark Valerio Namesakes

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John Mark Valerio

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John Mark Valerio

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