Job Description: Principal Engineer – Mechanical Design Engineering

Reporting To Head – Engineering

Position Summary

The Principal Engineer - Mechanical Design Engineering is responsible for leading the mechanical design, development, analysis, and optimization of Tubular Reactors (Plug Flow Reactors - PFR) used in chemical, petrochemical, fertilizer, refining, and specialty process industries. The role provides technical leadership across the complete equipment lifecycle, including concept design, detailed engineering, manufacturing support, installation, commissioning, troubleshooting, and continuous improvement.

Key Roles & Responsibilities

Mechanical Design & Engineering

• Lead the mechanical design and development of Tubular Reactors and Plug Flow Reactor (PFR) systems.

• Prepare and review equipment specifications, datasheets, engineering calculations, and fabrication drawings.

• Design high-pressures and high-temperature reactor components in compliance with applicable design codes and standards.

• Perform mechanical calculations related to:

• Internal and external pressure





• Thermal expansion

• Stress analysis

• Fatigue analysis

• Creep assessment

• Structural integrity

• Optimize designs for safety, reliability, manufacturability, and cost-effectiveness.

• Evaluate reactor performance under severe operating conditions involving high pressures and temperatures.

• Analyze flow distribution, pressure drop, thermal gradients, and heat transfer characteristics.

• Ensure reactor designs meet process requirements and performance guarantees.

Mechanical Integrity & Stress Analysis

• Conduct detailed stress analysis of reactor components.

• Perform Finite Element Analysis (FEA) for critical equipment.

• Evaluate thermal stresses caused by process and startup/shutdown conditions.

• Assess fatigue life, creep behavior, and equipment durability.

• Support Fitness-for-Service (FFS) and remaining life assessments.

Materials Engineering

• Select

📌 Principal Engineer – Mechanical Design (Bengaluru)
🏢 NoPo Nanotechnologies
📍 Bengaluru