Application Engineer

PT. OXUS WATER TEKNOLOGI; Bekasi; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

PT. OXUS WATER TEKNOLOGI is seeking an Application Engineer to design water and wastewater treatment systems (WTP/WWTP) and to support the Sales team with technically solid proposals aligned with client needs and environmental regulations.

You will analyze Feed Water data, prepare P&IDs, PFDs, capacity designs, and BOQ-style cost estimates, specify pumps, membranes, filtration systems, instruments and chemicals, and accompany the client during technical presentations.

Qualifications

• Minimum S1 degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering, or related field.
• Minimum 2-3 years of work experience in water and wastewater treatment as an Application Engineer, Process Engineer, or Proposal Engineer.
• Understanding of chemical, physical, and biological processes in water treatment.
• Able to read and create P&ID, Process Flow Diagram (PFD), and Mass Balance.
• Fluent in Indonesian and able to communicate/write technical proposals in English.

Responsibilities

• Design water treatment plants (WTP) and wastewater treatment plants (WWTP) systems such as RO, UF, EDI, Clarifier, MBR, or chemical dosing systems.
• Analyze client water quality data (Feed Water Analysis) and prepare technical proposals, P&ID (Piping and Instrumentation Diagram), capacity designs, and cost estimations (Cost Estimation/BOQ).
• Determine technical specifications for pumps, membranes, filtration systems, instruments, and chemicals required.
• Integrate client needs into design and accompany the Sales team during technical presentations to clients.
• Conduct site surveys, water sample testing, and provide technical support during commissioning or system performance evaluation.

Skills

Data analysis

Attention to detail

Interpersonal communication

English proposal writing

Technical presentation

Education

Bachelor's degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering, or related field

Tools

P&ID

PFD

Mass Balance

Job description

As an Application Engineer, you are responsible for designing technical solutions for water and wastewater treatment systems, supporting the Sales/Commercial team in preparing technical proposals, and ensuring that the systems offered meet specific client needs and environmental regulations.

Key responsibilities

Design water treatment plants (WTP) and wastewater treatment plants (WWTP) systems such as RO, UF, EDI, Clarifier, MBR, or chemical dosing systems

Analyze client water quality data (Feed Water Analysis) and prepare technical proposals, P&ID (Piping and Instrumentation Diagram), capacity designs, and cost estimations (Cost Estimation/BOQ)

Determine technical specifications for pumps, membranes, filtration systems, instruments, and chemicals required

Integrate client needs into design and accompany the Sales team during technical presentations to clients

Conduct site surveys, water sample testing, and provide technical support during commissioning or system performance evaluation

About you

Minimum S1 degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering, or related field

Minimum 2-3 years of work experience in water and wastewater treatment as an Application Engineer, Process Engineer, or Proposal Engineer

Understanding of chemical, physical, and biological processes in water treatment

Able to read and create P&ID, Process Flow Diagram (PFD), and Mass Balance

Fluent in Indonesian and able to communicate/write technical proposals in English

Strong data analysis capability, attention to detail, and good interpersonal communication skills to interact with clients and vendors

Willing to travel to project/client locations as required