Senior Process Engineer

Assystem in India; Bengaluru; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Assystem is seeking a Senior Process Engineer for Bengaluru/Delhi to lead process design, calculations and deliverables for Water Treatment Plants, STP and industrial water systems. You will size equipment, select technologies, and ensure technically sound solutions across project phases.

The role requires 8–15 years of detailed engineering experience in water treatment, with expertise in RO/UF systems, ASP/SBR processes, and process simulations using GPS-X or BioWin.

Qualifications

• Bachelor’s degree in Chemical, Environmental, Civil (Environmental/Water Resources), science or Process Engineering.
• Master’s degree in Environmental, Water, or Process Engineering preferred.

Responsibilities

• Develop process designs for WTP, STP, tertiary treatment, reuse, RO/UF, and industrial water treatment systems.
• Perform process calculations, hydraulic analysis, mass balances, equipment sizing, and technology selection.
• Prepare and review engineering deliverables including PFDs, P&IDs, hydraulic profiles, design reports, specifications, and datasheets.
• Design and evaluate treatment processes such as ASP, SBR, MBBR, MBR, UF, RO, UV, and ozonation systems.
• Coordinate with civil, mechanical, electrical, instrumentation, BIM/CAD, and procurement teams.
• Review vendor submissions, support process simulations, troubleshooting, construction, commissioning, and plant startup activities.

Skills

Process design

Hydraulic calculations

PFD & P&ID development

RO/UF membrane systems

Process simulation tools

Commissioning support

Education

Bachelor's degree in Chemical, Environmental, Civil (Environmental/Water Resources), science or Process Engineering

Master's degree in Environmental, Water, or Process Engineering (preferred)

Tools

GPS-X

BioWin

Job description

The company first came to India having acquired Stup Consultants Pvt Ltd in 2021 and L&TIEL in 2024. The company combines its globally recognised expertise in complex project management, with deep-rooted local experience cross full spectrum of infrastructure - from energy, transportation and urban development to water. Today, Assystem has a strong community of 1,500+ multidiscipline engineering experts connected across 8 offices in India.

The Assystem Group is one of the world’s leading independent nuclear engineering companies, ranked among the top three globally, with 60 years of experience in complex and highly regulated environments. With 8,000 experts across 13 countries, Assystem supports the development of low-carbon energy.

For company profile, please visit the website :- www.assystemstup.com

The company first came to India having acquired Stup Consultants Pvt Ltd in 2021 and L&TIEL in 2024. The company combines its globally recognised expertise in complex project management, with deep-rooted local experience cross full spectrum of infrastructure - from energy, transportation and urban development to water. Today, Assystem has a strong community of 1,500+ multidiscipline engineering experts connected across 8 offices in India.

The Assystem Group is one of the world’s leading independent nuclear engineering companies, ranked among the top three globally, with 60 years of experience in complex and highly regulated environments. With 8,000 experts across 13 countries, Assystem supports the development of low-carbon energy.

For company profile, please visit the website :- www.assystemstup.com

Job Description

Senior Process Engineer

Location: Bengaluru / Delhi

Job Summary

Responsible for process design, engineering calculations, equipment sizing, and preparation of engineering deliverables for Water Treatment Plants (WTP), Sewage Treatment Plants (STP), water reuse, purification, and industrial water treatment projects. Develop cost-effective, compliant, and technically sound solutions across all project phases. [Process Engineer | Word]

Key Responsibilities

• Develop process designs for WTP, STP, tertiary treatment, reuse, RO/UF, and industrial water treatment systems.
• Perform process calculations, hydraulic analysis, mass balances, equipment sizing, and technology selection.
• Prepare and review engineering deliverables including PFDs, P&IDs, hydraulic profiles, design reports, specifications, and datasheets.
• Design and evaluate treatment processes such as ASP, SBR, MBBR, MBR, UF, RO, UV, and ozonation systems.
• Coordinate with civil, mechanical, electrical, instrumentation, BIM/CAD, and procurement teams.
• Review vendor submissions, support process simulations, troubleshooting, construction, commissioning, and plant startup activities.

Qualifications

• Bachelor’s degree in Chemical, Environmental, Civil (Environmental/Water Resources), science or Process Engineering.
• Master’s degree in Environmental, Water, or Process Engineering preferred.

Experience

8-15 years of experience in detailed engineering and design of WTP, STP, water reuse, industrial water treatment, desalination, or water purification projects.

Preferred Skills

• Process design and optimization
• Hydraulic calculations and equipment sizing
• PFD & P&ID development
• RO/UF membrane systems
• GPS-X, BioWin, and related process simulation tools
• Commissioning and performance testing support

Qualifications

• Bachelor’s degree in Chemical, Environmental, Civil (Environmental/Water Resources), science or Process Engineering.
• Master’s degree in Environmental, Water, or Process Engineering preferred.

Additional Information

Based on candidate, location can be Bengalore/Gurgaon

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.