Ratno : Email & Phone Number

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Maintenance & Service Superintendent at PT Amman Mineral Nusa Tenggara|West Nusa Tenggara, Indonesia

Position:

Maintenance & Service Superintendent at PT Amman Mineral Nusa Tenggara

Location:

West Nusa Tenggara, Indonesia

View Ratno 's Email

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Last updated: 2026-07-14

Updated: 2026-07-14

Found email addresses for Ratno :

Business emails:

**@amman.co.id

Personal emails:

r*******a@gmail.com

Found phone for Ratno :

+62-***-***-8017

A different Ratno ?

Work Experience 16 years

Maintenance & Service Superintendent at PT Amman Mineral Nusa Tenggara

Oct 2020 - Current

Maintenance & Engineering Assistance Manager at Trans Studio

Mar 2020 - Sep 2020

Handil Plant Superintendent at DNX INDONESIA

Jun 2018 - Mar 2020

Field Electrical & Instrumentation Engineer at Freeport Indonesia

Nov 2012 - Jun 2018

R & D Electronics Engineer at LG Electronics

Jun 2011 - Nov 2012

Electrical and Instrumentation Maintenance Part Leader at APP Group

Dec 2010 - Jun 2011

Ratno started working in 2010, then the employee has changed 5 companies and 5 jobs. On average, Ratno works for one company for 2 years 7 months.

Ratno holds Mining Safety Management System Implementation (Implementation SMKP), Certified Energy Manager (CEM), and Certified Internal Auditor of Quality Management System (ISO9001:2015) certifications.

Education

Electrical Engineering at Sanata Dharma University

Mini MBA at Institut Teknologi Sepuluh Nopember (ITS)

Frequently Asked Questions

What is Ratno 's email address?

SignalHire found verified email addresses for Ratno , both business and personal. Their business email is **@amman.co.id, and personal emails include r*******a@gmail.com.

What is Ratno 's phone number?

SignalHire found a verified phone number for Ratno : +62-***-***-8017.

How do I contact Ratno at PT Amman Mineral Nusa Tenggara?

You can reach Ratno 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 Ratno 's professional background?

Ratno has 16 years of professional experience. They have held roles including Maintenance & Engineering Assistance Manager, Handil Plant Superintendent, and Field Electrical & Instrumentation Engineer at companies such as Trans Studio, DNX INDONESIA, and Freeport Indonesia. Their education includes Electrical Engineering from Sanata Dharma University, and Mini MBA from Institut Teknologi Sepuluh Nopember (ITS).

Is Ratno 's contact information up to date?

Yes. Ratno 's SignalHire profile was last updated on 14 July 2026, reflecting their current position as Maintenance & Service Superintendent at PT Amman Mineral Nusa Tenggara in Jakarta, DKI Jakarta, Indonesia.

Ratno Namesakes

Name

Company

Position

Ratno

Dow Law Office

Legal Associate

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Ratno

RSU Holistic Purwakarta

Penata Anestesiologi

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Other employees at PT Amman Mineral Nusa Tenggara

Name

Company

Position

Allan Saliente

PT Amman Mineral Nusa Tenggara

Laboratory Superintendent - Precious Metals Refinery

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Enno Agdelliano Diniardo

PT Amman Mineral Nusa Tenggara

Electrical Technician - Maintenance Smelter & Utilities

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Fendi Fendi

PT Amman Mineral Nusa Tenggara

MEKANIK ALAT BERAT

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Maulana Atma Darmanto

PT Amman Mineral Nusa Tenggara

Mechanical Technician

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Aand April

PT Amman Mineral Nusa Tenggara

Maintenance Planner

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Fajar Khoironi SIP

PT Amman Mineral Nusa Tenggara

Heavy Equipment Operator

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Fransisca Robert

PT Amman Mineral Nusa Tenggara

MINE MAINTENANCE

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Muhammad Ervin

PT Amman Mineral Nusa Tenggara

Engineering Specialist

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Moh Fadli Arbi

PT Amman Mineral Nusa Tenggara

Laboratory Technician

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Nadya Rahmawati

PT Amman Mineral Nusa Tenggara

Environmental Department Internship

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