Mark Jonathan Sierte

Mark Jonathan Sierte's email & phone

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Supplier Credits Assistant at HGS Offshore Staffing Solutions (HGS OSS)|Taguig, National Capital Region, Philippines

Position:

Supplier Credits Assistant at HGS Offshore Staffing Solutions (HGS OSS)

Location:

Taguig, National Capital Region, Philippines

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Last updated: 2026-04-16
Updated: 2026-04-16

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Work Experience 11 years

Supplier Credits Assistant at HGS Offshore Staffing Solutions (HGS OSS)

Mar 2021 - Current

Administrative Officer at TPG North Sydney, Australia

Aug 2017 - Mar 2021

Customers Service Representative at TPG North Sydney, Australia

Nov 2016 - Aug 2017

Technical Support Specialist at SYKES Philippines

Jun 2016 - Oct 2016

Customer Service Representative at Sitel Digital Services (formerly SYKES)

Apr 2015 - Jun 2016

Mark Jonathan Sierte started working in 2015, then the employee has changed 3 companies and 4 jobs. On average, Mark Jonathan Sierte works for one company for 2 years 2 months.

Education

Bachelor of Arts in Broadcasting at La Verdad Christian College Apalit

Frequently Asked Questions

What is Mark Jonathan Sierte's email address?

SignalHire found a verified business email address for Mark Jonathan Sierte: g*********************k@gmail.com.

What is Mark Jonathan Sierte's phone number?

SignalHire found a verified phone number for Mark Jonathan Sierte: +63-***-***-7381.

How do I contact Mark Jonathan Sierte at HGS Offshore Staffing Solutions (HGS OSS)?

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What is Mark Jonathan Sierte's professional background?

Mark Jonathan Sierte has 11 years of professional experience. They have held roles including Administrative Officer, Customers Service Representative, and Technical Support Specialist at companies such as TPG North Sydney, Australia, TPG North Sydney, Australia, and SYKES Philippines. Their education includes Bachelor of Arts in Broadcasting from La Verdad Christian College Apalit.

Is Mark Jonathan Sierte's contact information up to date?

Yes. Mark Jonathan Sierte's SignalHire profile was last updated on 16 April 2026, reflecting their current position as Supplier Credits Assistant at HGS Offshore Staffing Solutions (HGS OSS) in Taguig, Metro Manila, Philippines.

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