Senior Process Engineer - PMO

PT ESSA Industries Indonesia Tbk.; Bangsal; On-site; IDR 350,000,000 - 550,000,000; Full time

Job summary

PT ESSA Industries Indonesia Tbk. seeks a Senior Process Engineer to advance project engineering across phases, focusing on simulation, digitalization, optimization, and cross-functional collaboration for safe, reliable process unit design and operation.

You will work with licensors, EPCs, and internal teams to achieve technical excellence and support process safety and efficiency improvements at Jakarta Head Office and site plant.

Qualifications

• Bachelor’s degree in Chemical Engineering.
• Minimum 8 years of process engineering experience in oil & gas, petrochemical, or chemical industries.
• Proficiency in process simulation software such as Aspen HYSYS, ProII, or similar.
• Hands-on experience with PFDs, P&IDs, and process calculations.
• Familiarity with BED, material and energy balances, and equipment sizing.
• Experience supporting digital engineering initiatives (e.g., P&ID digitalization).
• Knowledge of health, safety, and environmental standards including SMK3 and ISO 14001.
• Strong communication, analytical thinking, and teamwork skills.

Responsibilities

• Develop and review steady-state and dynamic process simulation models for ISBL process units and OSBL offsites and utilities to support design validation, troubleshooting, and performance improvement.
• Prepare and review basic engineering deliverables, including process calculations, material and energy balances, PFDs, P&IDs, data sheets, and major equipment sizing.
• Coordinate with licensors and EPC contractors to validate the process design basis, key deliverables, equipment selection, material requirements, and operability.
• Analyze plant and simulation data to identify bottlenecks and opportunities to improve throughput, energy efficiency, reliability, and operating costs.
• Support the digitalization of P&IDs to improve data accuracy, accessibility, and collaboration across engineering disciplines.
• Collaborate with engineering, operations, construction, and HSE teams, including participation in technical reviews, HAZOP, SIL, and other process safety studies.
• Support pre-commissioning and commissioning activities for process units, offsites, and utility facilities.
• Ensure all engineering activities comply with process safety, occupational health, environmental, and regulatory requirements, and support corrective actions for identified non-conformances.
• Provide technical input for feasibility studies, project proposals, and potential business development opportunities.

Skills

Process engineering

Process simulation

Aspen HYSYS

ProII

PFDs & P&IDs

BED design

Material & energy balances

Equipment sizing

Digital engineering

HSE standards

SMK3

ISO 14001

Communication

Analytical thinking

Teamwork

Education

Bachelor’s degree in Chemical Engineering

Tools

Aspen HYSYS

ProII

Job description

Build the Future with Us!

We are looking for a Senior Process Engineer to support the project’s engineering activities across various phases. The role will focus on process simulation, digitalization, optimization, and cross-functional collaboration to ensure the safe, reliable, and compliant design and operation of process units.

Reporting to the Process Lead, you will work closely with licensors, EPC contractors, and internal engineering, operations, and safety teams to deliver technical excellence.

Work Location: Head Office, Jakarta Selatan & Site Plant

Job Requirements

• Bachelor’s degree in Chemical Engineering.
• Minimum 8 years of experience in process engineering in the oil & gas, petrochemical, or chemical industries.
• Proficiency in process simulation software such as Aspen HYSYS, ProII, or similar.
• Hands-on experience in developing and interpreting PFDs, P&IDs, and process calculations.
• Familiarity with Basic Engineering Design (BED), material and energy balances, and equipment sizing.
• Demonstrated experience in supporting digital engineering initiatives (e.g., P&ID digitalization).
• Knowledge of relevant health, safety, and environmental standards including SMK3 and ISO 14001.
• Strong communication, analytical thinking, and teamwork skills.

Job Responsibilities

• Develop and review steady-state and dynamic process simulation models for ISBL process units and OSBL offsites and utilities to support design validation, troubleshooting, and performance improvement.
• Prepare and review basic engineering deliverables, including process calculations, material and energy balances, PFDs, P&IDs, data sheets, and major equipment sizing.
• Coordinate with licensors and EPC contractors to validate the process design basis, key deliverables, equipment selection, material requirements, and operability.
• Analyze plant and simulation data to identify bottlenecks and opportunities to improve throughput, energy efficiency, reliability, and operating costs.
• Support the digitalization of P&IDs to improve data accuracy, accessibility, and collaboration across engineering disciplines.
• Collaborate with engineering, operations, construction, and HSE teams, including participation in technical reviews, HAZOP, SIL, and other process safety studies.
• Support pre-commissioning and commissioning activities for process units, offsites, and utility facilities.
• Ensure all engineering activities comply with process safety, occupational health, environmental, and regulatory requirements, and support corrective actions for identified non-conformances.
• Provide technical input for feasibility studies, project proposals, and potential business development opportunities.

About Us

PT ESSA Industries Indonesia Tbk, formerly known as PT Surya Esa Perkasa Tbk., underwent a transformative rebrand in 2022 to better align with its vision of leading Indonesia's drive towards world-class industrialization. Established in 2006, the company initially ventured into LPG and Condensate production with its refinery facility in Palembang. Over the years, it expanded its operations, notably entering the Ammonia production sector through its subsidiary, PT Panca Amara Utama, at the Banggai Ammonia Plant in Sulawesi Tengah. ESSA has evolved into a leading company committed to contributing to Indonesia's world-class industrialization processes. The company places a strong emphasis on environmental, social, and sustainability considerations in all its endeavors. With records of accomplishment of innovation and excellence, ESSA continues to play a pivotal role in shaping Indonesia's industrial landscape.