Lead Process Engineer

Company Description Rotary Engineering, founded in 1972 in Singapore, is a Strategic Energy Partner delivering integrated infrastructure solutions with a strong focus on sustainability. The company provides Engineering, Procurement, Construction, Commissioning (EPCC), and Maintenance services across oil and gas, petrochemicals, renewables, and transitional fuels such as LNG, LPG, SAF, biofuels, ammonia, and hydrogen. With over five decades of expertise in process plants, bulk liquid terminals, pipelines, and cryogenic infrastructure, Rotary has pioneered a significant portion of independent storage in Singapore. Its international presence spans 16 countries across the MENA and APAC regions, offering team members exposure to complex, future-ready energy projects.

Role Description The Lead Process Engineer is a full-time, on-site role based in Chennai. This role involves leading process design activities for energy and infrastructure projects, including developing process flow diagrams, P&IDs, and performing sizing and simulation work. The Lead Process Engineer will oversee process control strategies, review and optimize operating conditions, and ensure compliance with safety, environmental, and regulatory requirements. Day-to-day responsibilities include guiding junior engineers, coordinating with multidisciplinary teams, supporting project proposals, participating in HAZOP and other safety reviews, and providing technical input during construction, commissioning, and start-up phases. The role also requires close collaboration with clients and stakeholders to align process solutions with project objectives and sustainability goals.

Designation

Lead Process Design Engineer

Qualification

Bachelor of Engineering (Chemical)

Experience

Min. 10 years

Job Requirements

·        Lead Process Design Engineer for the Process Design of Storage Terminals, Process Units in Refineries and Chemical Plants which involves the Basic and Detail Design including the preparation of PFDs, P&IDs, System Description, Process Control Philosophy, Hydraulic Calculation, Heat Transfer Calculation, Heat & Material Balance, Relief System Calculations, Utility Consumption, Equipment data sheets & Instrument data sheets.

·        Prepare Technical Proposals including preparation of PFDs, P&IDs, hydraulic calculations and system description.

·        Design Calculations for Pumps, heating coils, Thermal Relief valves and Tank venting calculations.

·        Analyze pressure relief design scenario and calculate the relief load and validate the results

·        Prepare Process Data Sheets for Instruments, Equipments & Tanks.

·        Review other Discipline Documents including vendor documents, GA drawings, Instrument data sheets etc.

·        Participate in HAZOP and SIL study, Review HAZOP Report and prepare HAZOP & SIL Close-out reports.

·        Participate in P&ID Design Review and Process Control Philosophy Review, and prepare review Close-out reports.

·        Design of Fire Protection System as per NFPA for the Storage Terminal, which includes Tank Farms, Pump Stations, Jetties, Truck Loading Bays

·        Design of wastewater collection and disposal system for the Storage Terminal which includes Tank Farms, Pump Stations, Jetties, Truck Loading Bays

·        Prepare Surge Analysis report using Pipenet Transient Module.

·        Development of automated excel spreadsheets for process calculations.

·        Performing Simulation using Aspen HYSYS & Unisim

·        Preparation of simulation report & HMB.

·        Equipment Sizing and Preparation of Equipment Data sheets.

·        Preparation of technical specification in line with the project requirements

·        Performing Hydraulic calculation and preparation of Data sheets for control valves.

·        Performing Relief load calculation and preparation of Data sheets for safety valves.

·        Design of Flare system using Flarenet.

·        Utility sizing and Preparation of Utility Consumption report.

·        Preparation of Process Control Philosophy & Cause and Effect diagram.

Software Requirements

1) Pipe Net

2) Good proficiency in MS Excel, MS word

3) Smart Plant P&ID

Code Knowledge

1) API 2000, API 520, API 521, API 526, API 2350

2) SS 532

3) NFPA 11, NFPA 13, NFPA 15, NFPA 20, NFPA 30