Thermal Design Engineer - Power Group

Zeeco; Pune District; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Zeeco is seeking a Fire Tube Boiler Thermal Design Engineer with 4–5 years of relevant experience to lead thermal calculations, combustion analysis, heat transfer evaluation, and performance optimization for industrial boiler systems.

The role requires hands-on design development, strong analytical skills, and collaboration with cross-functional teams from proposal through commissioning, ensuring compliance with industry standards and customer specifications.

Qualifications

• Bachelor's degree in mechanical/thermal engineering.
• 4–5 years of experience in thermal design and performance engineering of fire tube boilers.
• Solid understanding of heat transfer, combustion, and thermodynamics.

Responsibilities

• Perform thermal design calculations for fire tube boilers, including heat and mass balance, furnace sizing, heat transfer analysis, and efficiency calculations.
• Design and optimize boiler components such as furnaces, combustion chambers, smoke tubes, reversal chambers, tube arrangements, and economizers.
• Conduct combustion calculations for fuels including natural gas, LPG, diesel, furnace oil, and biomass fuels.
• Prepare thermal design reports, engineering calculations, datasheets, technical specifications, and supporting documentation.
• Evaluate boiler performance parameters such as evaporation rates, flue gas temperatures, excess air levels, and pressure drops.
• Provide sizing calculations, performance guarantees, and technical solutions to proposals and sales teams.

Skills

Heat Transfer Principles

Combustion Engineering

Thermodynamics

Education

Bachelor’s Degree in Mechanical Engineering

Job description

About Zeeco:

Zeeco is a global leader in advanced combustion and environmental solutions, serving industries worldwide with innovative technologies that enhance operational efficiency, reliability, and environmental performance. With decades of expertise in thermal and combustion systems, Zeeco delivers engineered solutions across refining, petrochemical, power, LNG, and industrial markets.

Position Summary:

Zeeco is seeking a highly motivated and technically proficient Fire Tube Boiler Thermal Design Engineer with 4–5 years of relevant experience in boiler thermal design and performance engineering. The successful candidate will be responsible for thermal calculations, combustion analysis, heat transfer evaluation, efficiency optimization, and technical design development for fire tube boiler systems used in industrial and commercial applications.

The role requires strong analytical capabilities and hands‑on experience in thermal design activities throughout the project lifecycle, from proposal development to project execution and commissioning support.

Key Responsibilities:

• Perform thermal design calculations for fire tube boilers, including heat and mass balance, furnace sizing, heat transfer analysis, and efficiency calculations.
• Design and optimize key boiler components such as furnaces, combustion chambers, smoke tubes, reversal chambers, tube arrangements, and economizers.
• Conduct combustion calculations for various fuels, including natural gas, LPG, diesel, furnace oil, and biomass fuels.
• Prepare thermal design reports, engineering calculations, datasheets, technical specifications, and supporting documentation.
• Evaluate boiler performance parameters, including evaporation rates, flue gas temperatures, excess air levels, pressure drops, and overall thermal efficiency.
• Provide technical support to proposal and sales teams by developing equipment sizing calculations, performance guarantees, and technical solutions.
• Collaborate with mechanical, process, manufacturing, and project engineering teams to ensure design feasibility, manufacturability, and compliance with project requirements.
• Perform thermal simulations and CFD studies, where applicable, to validate and optimize equipment performance.
• Ensure compliance with applicable industry standards and customer specifications, including ASME Boiler & Pressure Vessel Code, IBR, and other relevant regulations.
• Investigate operational and performance-related issues in existing boiler installations and recommend effective engineering solutions.
• Support commissioning, start‑up, performance testing, and troubleshooting activities related to thermal performance.
• Participate in design reviews, risk assessments, value engineering initiatives, and continuous improvement programs

Required Qualifications:

• Bachelor’s Degree in Mechanical Engineering, Thermal Engineering, Energy Engineering, or a related discipline.
• 4–5 years of experience in thermal design and performance engineering of fire tube boilers.
• Strong understanding of:

• Heat Transfer Principles
• Combustion Engineering
• Thermodynamics