Engineer Electrical and Instrumentation

PT Amman Mineral Nusa Tenggara; Nusa Tenggara Barat; On-site; IDR 300,000,000 - 600,000,000; Full time

Job summary

PT Amman Mineral Nusa Tenggara is seeking a Senior E&I engineer to prepare and produce electrical and instrumentation engineering design deliverables for mining projects. The role involves comprehensive calculations, diagrams, datasheets, and specifications compliant with AMNT standards.

The candidate will perform core E&I calculations, sizing, and verification across project phases, coordinating with disciplines and ensuring traceability for all design deliverables and procurement inputs.

Qualifications

• Bachelor’s degree in electrical engineering, Instrumentation Engineering, Control Engineering, or Mechatronics Engineering.
• Minimum 5 years of experience in electrical and least 5 years specific experience in electrical instrumentation engineering in mining, mineral processing, heavy industry, or EPC projects.
• Demonstrated experience engineering design in Mining or Oil & Gas Industry, include supporting facilities.
• Experience in delivering design, calculation, sizing, specification/ data sheet, MTO/BOQ, Cost Estimation and SOW.

Responsibilities

• Prepare and produce E&I engineering design deliverables for project development, including calculations, one line diagrams, schematics, cable schedules, panelboard and MCC schedules, plan/layout drawing, instrument index, I/O lists, control philosophy, loop diagrams, datasheets, technical specifications, material take-off (MTO/BOQ), scope of work, cost estimates, in accordance with company standards.

Skills

Electrical design

Project development

Engineering calculations

Education

Bachelors in Electrical Engineering

Instrumentation/Control/Mechatronics specialization

Tools

AutoCAD/MicroStation

ETAP

PLC programming

Lighting software

Job description

Working Location: Site Based – West Sumbawa

Some of your duties will include:

Prepare and produce E&I engineering design deliverables for project development, including calculations, one line diagrams, schematics, cable schedules, panelboard and MCC schedules, plan/ layout drawing, instrument index, I/O lists, control philosophy, loop diagrams, datasheets, technical specifications, material take-off (MTO/BOQ), scope of work, cost estimates, in accordance with company standards.

Perform electrical and instrumentation engineering calculations as a core duty, including load flow and demand (load list) calculations, cable sizing (ampacity, voltage drop and short-circuit withstand), short-circuit and protection coordination, earthing and lightning protection, illumination (lux) calculations, transformer/ genset/ UPS sizing, power factor and harmonic checks, and battery / DC system sizing.

Perform instrumentation sizing and calculations, including control valve sizing (Cv), flow element/ orifice sizing, and instrument loop and I/O list, and document the basis of each calculation for traceability.

Deliver electrical, instrumentation and control engineering across all project development phases: concept study, pre-feasibility, feasibility and detailed engineering.

Develop conceptual and detailed design in coordination with other disciplines as per project requirements, government regulations and national/international code & standards.

Prepare technical specifications, datasheets and scopes of work for procurement of electrical and instrumentation equipment and provide technical input to bid evaluation and vendor clarification.

Review engineering deliverables produced by engineering consultants (design house / FEED), verifying design basis, calculations, drawings and specifications against AMNT standards, national and international codes, and project requirements.

What skills and experience do you need?

Bachelor’s degree in electrical engineering, Instrumentation Engineering, Control Engineering, or Mechatronics Engineering.

Minimum 5 years of experience in electrical and least 5 years specific experience in electrical instrumentation engineering in mining, mineral processing, heavy industry, or EPC projects.

Demonstrated experience engineering design in Mining or Oil & Gas Industry, include supporting facilities.

Experience in delivering design, calculation, sizing, specification/ data sheet, MTO/BOQ, Cost Estimation and SOW.

Proven capability in E&I engineering calculations (load flow, cable sizing, short-circuit, protection coordination, arc-flash, lighting, earthing, instrument sizing) and familiar with design verification, FAT/SAT and commissioning requirements from a design-assurance standpoint.

Possesses a strong understanding of national and international Electrical, Instrumentation, Automation, and Control codes and standards, with hands‑on troubleshooting expertise, proficiency in industrial installation practices and plant/facility design, and working knowledge of AutoCAD/MicroStation, ETAP, lighting software, PLC programming, and other related electrical engineering applications.

Preferred Certifications

Certified of Competency for First Operational Supervisor in mining (POP)

Certified electrical safety (Ahli K3 Listrik)

Excellent communication skills in English both verbal and written and computer literate.

Please be aware of certain frauds or misinformation regarding recruitment advertising on behalf of amman.co.id We never ask for any payments whatsoever from applicants or candidates during the recruitment process. We never ask applicants or candidates to use specific travel agent services to make arrangements for transportation and accommodation during the recruitment process

Amman Mineral International (AMMAN) is the second-largest copper-and-gold mining company in Indonesia, operating the Batu Hijau mine on the island of Sumbawa. In all aspects of business and operations, AMMAN adheres to international standards of corporate governance, sustainability, and environmental responsibility.

The corporate vision is to be a transformative organization creating a legacy of best. This vision reflects the commitment to achieve excellence in all operational aspects. Through optimal operational efficiency and astute financial management, AMMAN can maintain a cost of production lower than sales revenue even during the most-challenging phases of a market cycle.

AMMAN continues to encourage “brave thinking” from all employees. Innovative ideas, from whatever source, are evaluated without prejudice and implemented if found useful. This concept is also applied to programs to improve the welfare of local communities. Through “brave thinking”, AMMAN has become a role model for other business entities striving for operational excellence and good environmental stewardship.