About this role
Job Requirements At Quest Global, it’s not just our actions but also our strategic approach and determination that sets us apart. With a proud 25-year legacy as a premier provider of engineering solutions, we believe in the transformative power of innovation to achieve the seemingly impossible. Our team is driven by the aspiration to create a positive impact on the world—to contribute to a more promising future. We unite various technologies and industries, harnessing the diverse talents of individuals who are driven by a purpose-driven work environment, to enhance problem-solving efficiency and efficacy. Senior Engineer – CFD | Combustion & Reactive Flow Experience Level 3–6 years Domain Thermal Management / Turbomachinery / Aerospace Systems / Automotive Role Summary We are looking for a Senior CFD Engineer with strong experience in combustion, reactive flows, multiphase flows and turbulent flow modelling to support the design and development of gas turbine and combustion systems. The candidate will be responsible for independently setting up and executing CFD simulations, interpreting complex flow and combustion results, identifying performance improvement opportunities, and providing engineering recommendations for system and component design. The role involves working closely with design, thermal, testing and global engineering teams on complex gas turbine, combustor and turbomachinery applications. Key Responsibilities CFD Modelling & Simulation
• Independently perform CFD simulations for reactive, multiphase and turbulent flows in gas turbine and combustion applications. • Develop appropriate CFD models including geometry preparation, computational domain definition, mesh generation, boundary conditions and solver setup. • Conduct simulations for combustion, cooling, heat transfer, flow mixing and reacting flow applications. • Apply appropriate modelling approaches for non-reactive and reactive flows based on the engineering problem. • Develop suitable mesh strategies and assess mesh quality and independence for critical simulations. • Select appropriate turbulence models such as RANS, URANS and LES based on application requirements. • Apply appropriate combustion and reaction modelling approaches, including relevant chemical kinetics and combustion models. Results Interpretation & Engineering Recommendations
• Analyze and interpret CFD simulation results to evaluate flow behaviour, temperature distribution, pressure loss, combustion characteristics, mixing, heat transfer and overall system performance. • Correlate simulation results with engineering requirements and available test/experimental data. • Identify performance limitations and potential design issues from simulation results. • Provide practical engineering and design recommendations for improving system performance, efficiency and reliability. • Support design optimization through parametric studies and evaluation of alternative design configurations. Combustion & Thermal Analysis
• Apply fundamental knowledge of combustion, fluid mechanics and heat transfer to solve engineering problems. • Analyze combustion characteristics including temperature distribution, species concentration and relevant combustion performance parameters. • Support evaluation of NOx, CO and other relevant emissions where applicable. • Support analysis of cooling effectiveness, thermal gradients and heat transfer within combustion systems. • Work with thermal/structural analysis teams to provide relevant CFD results and thermal inputs for subsequent analyses. Simulation Troubleshooting & Validation
• Troubleshoot numerical issues, convergence problems and simulation instabilities encountered during CFD analysis. • Evaluate the sensitivity of simulation results to mesh, boundary conditions, physical models and other key parameters. • Validate CFD results against available experimental or test data and identify potential sources of deviation. • Perform parametric studies and sensitivity analyses to understand the impact of critical design parameters. • Document simulation methodology, assumptions, results, conclusions and recommendations. Project & Team Collaboration
• Take ownership of assigned CFD analysis activities and deliver results within agreed timelines and quality requirements. • Coordinate with design, thermal, testing and other engineering teams to understand requirements and provide appropriate CFD inputs. • Participate in technical reviews and discussions with global engineering teams. • Support junior engineers in CFD model setup, simulation practices and post-processing. • Contribute to development of CFD best practices, modelling guidelines and reusable methodologies. Required Skills & Experience
• B.E./B.Tech./M.E./M.Tech. in Mechanical, Aerospace, Thermal, Chemical Engineering or a related discipline. • 3–6 years of relevant experience in CFD, combustion, thermal-fluid analysis or related engineering simulation. • Strong working experience with commercial CFD software such as STAR-CCM+, ANSYS Fluent or equivalent. • Good understanding of fluid mechanics, heat transfer, combustion and CFD fundamentals. • Practical experience in reactive flow and combustion modelling. • Experience with turbulent flow modelling including RANS/URANS; knowledge of LES is desirable. • Good understanding of meshing techniques, boundary conditions, solver settings and convergence criteria. • Experience in CFD post-processing and interpretation of simulation results. • Knowledge of chemical reaction/combustion modelling and relevant kinetics would be an advantage. • Experience with multiphase flow modelling would be an advantage. • Strong understanding of gas turbine, combustor, turbine module or related turbomachinery systems is preferred. • Working knowledge of UG NX or any CAD package would be an added advantage. Additional Skills
• Knowledge of Python or other scripting/automation tools for CFD pre-processing, post-processing or data analysis would be an advantage. • Ability to perform parametric studies and automate repetitive simulation activities. • Good technical report writing and documentation skills. • Strong analytical and problem-solving capability. • Good communication and collaboration skills. • Ability to work effectively with global and cross-functional engineering teams. Senior Engineer – Role Expectations The Senior Engineer is expected to:
• Independently execute moderately complex to complex CFD and combustion simulations. • Select appropriate physical models and simulation approaches based on the engineering problem. • Demonstrate strong engineering judgement while interpreting CFD results. • Translate simulation findings into meaningful design and performance recommendations. • Troubleshoot most modelling, meshing and convergence issues with limited guidance. • Support validation and correlation of CFD results with experimental data. • Contribute to optimization and parametric studies for critical design parameters. • Provide technical guidance and knowledge-sharing support to junior engineers. • Continuously develop expertise in combustion, reactive flow and turbomachinery applications.