9 Modelica Jobs

Company Profile: Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us. Job Description: This engineer designs, fabricates, modifies and evaluates complex mechanical and electro-mechanical components, sub-systems and systems. The person in this position may also provide work leadership for lower level employees. Duties include, but are not limited to: Develop high-fidelity digital twin models of refrigeration systems using Modelica and GT-SUITE. Simulate and analyze thermal, fluid, and control system behaviors under various operating conditions. Collaborate with cross-functional teams including mechanical, controls, and software engineers to integrate simulation models into product development workflows. Validate simulation models against experimental or field data and refine models for accuracy and performance. Support system-level optimization, scaling models, diagnostics, and predictive maintenance strategies using digital twin insights. Document methodologies, assumptions, and results for internal and external stakeholders. Qualifications: Requires a bachelor's degree in engineering. Requires at least 5 years related experience. Bachelor’s or Master’s degree in Mechanical Engineering, Thermal Engineering or a related field. Minimum 7 years of experience Modelica-based tools (e.g., Dymola, OpenModelica) or GT-SUITE . Proficiency in Refrigeration or HVAC systems (design and simulation) Strong understanding of thermodynamics, heat transfer, and fluid dynamics. Experience with system modeling, parameter estimation, and model validation. Familiarity with control systems and embedded software integration is a plus. Excellent problem-solving, communication, and documentation skills. Additional preferred skills: Knowledge of scripting languages (e.g., Python, MATLAB) for automation and data analysis. Exposure to cloud-based simulation platforms or IoT integration for digital twins.

Company Profile Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us. Job Description This engineer designs, fabricates, modifies and evaluates complex mechanical and electro-mechanical components, sub-systems and systems. The person in this position may also provide work leadership for lower level employees. Duties Include, But Are Not Limited To Develop high-fidelity digital twin models of refrigeration systems using Modelica and GT-SUITE. Simulate and analyze thermal, fluid, and control system behaviors under various operating conditions. Collaborate with cross-functional teams including mechanical, controls, and software engineers to integrate simulation models into product development workflows. Validate simulation models against experimental or field data and refine models for accuracy and performance. Support system-level optimization, scaling models, diagnostics, and predictive maintenance strategies using digital twin insights. Document methodologies, assumptions, and results for internal and external stakeholders. Qualifications Requires a bachelor's degree in engineering. Requires at least 5 years related experience. Bachelor’s or Master’s degree in Mechanical Engineering, Thermal Engineering or a related field. Minimum 7 years of experience Modelica-based tools (e.g., Dymola, OpenModelica) or GT-SUITE. Proficiency in Refrigeration or HVAC systems (design and simulation) Strong understanding of thermodynamics, heat transfer, and fluid dynamics. Experience with system modeling, parameter estimation, and model validation. Familiarity with control systems and embedded software integration is a plus. Excellent problem-solving, communication, and documentation skills. Additional Preferred Skills Knowledge of scripting languages (e.g., Python, MATLAB) for automation and data analysis. Exposure to cloud-based simulation platforms or IoT integration for digital twins.

We’re seeking a specialist engineer with deep expertise in simulating complex hydrodynamic systems, with a focus on transient flow behaviour in hydroelectric and pumped storage schemes. This role involves integrated modelling of fluid systems, rotating equipment, and electrical connections, using advanced simulation platforms such as SIMSEN to evaluate dynamic response across full operating envelopes. Key Responsibilities: Carry out detailed transient analyses of hydropower and pumped storage systems Develop and calibrate dynamic models incorporating penstocks, surge tanks, turbines, and generators Simulate water hammer, load rejection/load acceptance, and start-up/shutdown events Analyse electromechanical interactions across the full system Prepare technical documentation and support risk-based design decisions Collaborate with multi-disciplinary teams to integrate modelling into wider design strategy Qualifications Role Requirements: Bachelor’s degree in Mechanical, Civil, or Electrical Engineering (Master’s preferred with a fluid systems or hydro focus) Minimum of 8 years’ experience in hydroelectric systems modelling, including transient analysis Proficiency in SIMSEN is essential; familiarity with alternative platforms (e.g. AMESim, MATLAB/Simulink, Modelica) is beneficial Strong understanding of hydro-mechanical and electromechanical interactions Experience in pumped storage schemes is highly desirable Strong analytical, documentation, and communication skills Ability to work across disciplines and contribute to integrated power-water system design Additional Information About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.

Develop high-fidelity digital twin models of refrigeration systems using system simulation tools like Modelica and GT-SUITE , Amesim or Simulink. Simulate and analyze thermal, fluid, and control system behaviors under various operating conditions. Collaborate with cross-functional teams including mechanical, controls, and software engineers to integrate simulation models into product development workflows. Validate simulation models against experimental or field data and refine models for accuracy and performance. Support system-level optimization, scaling models, diagnostics, and predictive maintenance strategies using digital twin insights. Document methodologies, assumptions, and results for internal and external stakeholders. Required Qualifications: Bachelor’s or Master’s degree in Mechanical Engineering, Thermal Engineering or a related field. Minimum 7 years of experience Modelica-based tools (e.g., Dymola, OpenModelica) or GT-SUITE . Proficiency in Refrigeration or HVAC systems (design and simulation) Strong understanding of thermodynamics, heat transfer, and fluid dynamics. Experience with system modeling, parameter estimation, and model validation. Familiarity with control systems and embedded software integration is a plus. Excellent problem-solving, communication, and documentation skills. Additional preferred skills: Knowledge of scripting languages (e.g., Python, MATLAB) for automation and data analysis. Exposure to cloud-based simulation platforms or IoT integration for digital twins.

Company Description Job Description We’re seeking a specialist engineer with deep expertise in simulating complex hydrodynamic systems, with a focus on transient flow behaviour in hydroelectric and pumped storage schemes. This role involves integrated modelling of fluid systems, rotating equipment, and electrical connections, using advanced simulation platforms such as SIMSEN to evaluate dynamic response across full operating envelopes. Key Responsibilities: Carry out detailed transient analyses of hydropower and pumped storage systems Develop and calibrate dynamic models incorporating penstocks, surge tanks, turbines, and generators Simulate water hammer, load rejection/load acceptance, and start-up/shutdown events Analyse electromechanical interactions across the full system Prepare technical documentation and support risk-based design decisions Collaborate with multi-disciplinary teams to integrate modelling into wider design strategy Qualifications Role Requirements: Bachelor’s degree in Mechanical, Civil, or Electrical Engineering (Master’s preferred with a fluid systems or hydro focus) Minimum of 8 years’ experience in hydroelectric systems modelling, including transient analysis Proficiency in SIMSEN is essential; familiarity with alternative platforms (e.g. AMESim, MATLAB/Simulink, Modelica) is beneficial Strong understanding of hydro-mechanical and electromechanical interactions Experience in pumped storage schemes is highly desirable Strong analytical, documentation, and communication skills Ability to work across disciplines and contribute to integrated power-water system design Additional Information About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. ReqID: REF50332M Business Line: B&P - Buildings & Places Business Group: DCS Strategic Business Unit: Enterprise Capabilities Career Area: Engineering Work Location Model: Hybrid Legal Entity: AECOM India Global Services Private Limited

Key Responsibilities: Develop and expand model libraries for JuliaSim, particularly in mechanical, hydraulic, thermal, and electrical domains. Build digital twins for systems such as HVACs, batteries, vehicles, and other industry-relevant applications. Collaborate with industry experts to gather and understand customer requirements and integrate them into model development. Work with Git-based workflows and utilize test-driven development and CI/CD pipelines for efficient and high-quality software development. Required Qualifications: Domain knowledge in either Mechanical, Electrical, or Chemical engineering fields. Experience using numerical solvers to build and solve 1D models. Proven experience with acausal domain modeling tools such as Modelica, Simscape, Amesim, or/and GPROMs. Proficiency in Git-based workflows, test-driven development, and working with CI/CD pipelines. Knowledge of numerical computing with experience in Julia, Matlab, Python, or Fortran, etc. Preferred Qualifications: Experience with Julia, SciML, DifferentialEquations.jl and ModelingToolkit.jl to develop scalable and high-performance models. Experience in Controls and Optimization.

About Carrier LRR Technologies is currently hiring talented people to work with Carrier Corporation. Carrier Corporation (NYSE: CARR) is a global provider of innovative heating, ventilating, and air conditioning (HVAC), refrigeration, fire, security, and building automation technologies boasting annual sales of over $20 billion, with 58,000 employees spread across 160+ countries. For its R&D center in Hyderabad, Carrier is looking for a talented Sr. Backend Engineer (Dot Net Developer). As were expanding our team located in Hyderabad India, were looking for a talented, highly motivated, and results-driven engineer with expertise in 1D mathematical Thermal modeling. The main responsibility of the ideal candidate will be 1D mathematical model development, software implementation, and testing of standalone models and systems. Roles and Responsibilities Development of a 1D mathematical model of the different heat exchangers, expense devices, compressors, and other auxiliary components. Testing and documentation of the developed model. Integrate the 1D mathematical model with our propriety software and integrate the model with the system. To solve different Business units queries. EDUCATION / CERTIFICATIONS: Candidates must possess a Master/ Bachler Degree in Mechanical Engineering. A Masters degree in the Thermal domain will be an add-on advantage. Desired Candidate Profile At least 3 years experience in 1D mathematical modeling in the Thermal domain. Strong knowledge of HVAC/R components, and strong thermal background. Knowledge of programming languages like Fortran, C#, and Modelica. Knowledge of VB6 and Python will add an advantage. Strong technical writing abilities to provide high-quality documentation and standard work. In addition, the ideal candidate should: Be able to work as a part of a multidisciplinary team and in a global environment (our engineers. are located in the US, Italy, France, Germany, China, and India. We collaborate with research institutions worldwide. Observe discipline with the development and adoption of standard development processes. Have a solid track record of working under pressure and focusing on results. Solid technical writing, presentation, and communication skills. Perks and Benefits The position will pay quite well - Rs.12-20 lakh per annum is the band, and the final amount may be even higher depending on your experience and expertise. If made an offer, you will need to join in 4 weeks. This is the opportunity of a lifetime for people looking to specialize in highly coveted niche futuristic skills, and to work in a top multinational company with excellent employee-first initiatives. We look forward to your application.

Transport is at the core of modern society. Imagine using your expertise to shape sustainable transport and infrastructure solutions for the future? If you seek to make a difference on a global scale, working with next-gen technologies and the sharpest collaborative teams, then we could be a perfect match. About ExcelHer Program Are you looking for an opportunity to restart your career? Do you want to work with an organization that would value your experience no matter when you gained them? How about working with the best minds in the transportation industry where we need more women power? We are pleased to launch the ExcelHer program – the career returnship program at Volvo Group in India. The program is for women who have been on a career break for a year or more. This is our step towards empowering women to relaunch their professional journey after their absence from the workplace due to personal commitments. Exciting work assignments have been identified which you can refer in the list below. The assignments are for a tenure of 9 months. The participant of this program would have access to professional development programs, mentoring assistance by a business leader, apart from the experience of working with people from different functions/technologies/culture. Location : Bangalore Role Description Development of System simulation platform. Writing and updating the scripts (which are the foundation in the platform) in Matlab and python. Restructuring the code base to enhance the efficiency and stability of the simulation platform. Support the end users with the platform understanding and bug fixing. Creating a solution for remote simulation. Skillset Bachelors/Master’s degree in any engineering, or other relevant education with 5 to 8 years of experience. Tools: Matlab/Simulink/Python Experience: Experienced in System Simulation or complete vehicle simulation. Good to have: GT Suite/Modelica/Volvo internal GSP/DSpace/Applied Intuition/IPG Truck maker/Java. We value your data privacy and therefore do not accept applications via mail. Who We Are And What We Believe In We are committed to shaping the future landscape of efficient, safe, and sustainable transport solutions. Fulfilling our mission creates countless career opportunities for talents across the group’s leading brands and entities. Applying to this job offers you the opportunity to join Volvo Group . Every day, you will be working with some of the sharpest and most creative brains in our field to be able to leave our society in better shape for the next generation. We are passionate about what we do, and we thrive on teamwork. We are almost 100,000 people united around the world by a culture of care, inclusiveness, and empowerment. Group Trucks Technology are seeking talents to help design sustainable transportation solutions for the future. As part of our team, you’ll help us by engineering exciting next-gen technologies and contribute to projects that determine new, sustainable solutions. Bring your love of developing systems, working collaboratively, and your advanced skills to a place where you can make an impact. Join our design shift that leaves society in good shape for the next generation. Show more Show less

Were seeking a specialist engineer with deep expertise in simulating complex hydrodynamic systems, with a focus on transient flow behaviour in hydroelectric and pumped storage schemes. This role involves integrated modelling of fluid systems, rotating equipment, and electrical connections, using advanced simulation platforms such as SIMSEN to evaluate dynamic response across full operating envelopes. Key Responsibilities: Carry out detailed transient analyses of hydropower and pumped storage systems Develop and calibrate dynamic models incorporating penstocks, surge tanks, turbines, and generators Simulate water hammer, load rejection/load acceptance, and start-up/shutdown events Analyse electromechanical interactions across the full system Prepare technical documentation and support risk-based design decisions Collaborate with multi-disciplinary teams to integrate modelling into wider design strategy Qualifications Bachelors degree in Mechanical, Civil, or Electrical Engineering (Masters preferred with a fluid systems or hydro focus) Minimum of 8 years experience in hydroelectric systems modelling, including transient analysis Proficiency in SIMSEN is essential; familiarity with alternative platforms (e.g. AMESim, MATLAB/Simulink, Modelica) is beneficial Strong understanding of hydro-mechanical and electromechanical interactions Experience in pumped storage schemes is highly desirable Strong analytical, documentation, and communication skills Ability to work across disciplines and contribute to integrated power-water system design Additional Information With infrastructure investment accelerating worldwide, our services are in great demand, and theres never been a better time to be at AECOM! Join us, and youll get all the benefits of being a part of a global, publicly traded firm access to industry-leading technology and thinking and transformational work with big impact and work flexibility. AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. Were the worlds trusted global infrastructure firm, and were in this together your growth and success are ours too. As an Equal Opportunity Employer, we believe in each persons potential, and well help you reach yours. Join us and lets get started. AECOM does not accept unsolicited resumes from recruiters or recruitment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, AECOM explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted to hiring managers, are deemed to be the property of AECOM and in the absence of a signed Agreement, AECOM will not consider or agree to payment of any recruitment fee. About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options,well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, youll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career youve always envisioned. Here, youll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it.