Senior Engine Simulation Engineer
Generac
Design and simulate internal combustion engines using GT‑Suite, CFD, and ML tools.
14 days ago ago
Expert & Leadership (13+ years), Intermediate (4-7 years), Experienced (8-12 years)
Full Time
Waukesha, WI
Office Full-Time
Company Size
9,239 Employees
Service Specialisms
Power Generation
Energy Storage
Backup Power Systems
Renewable Energy Solutions
Energy Management
Sector Specialisms
Industrial
Energy
Infrastructure
Buildings
Residential
Commercial
Water Resources
Heavy Civil
Role
What you would be doing
combustion analysis
cfd analysis
fea analysis
data analysis
simulation development
design reviews
- Conduct in-cylinder combustion analysis using Converge to aid in optimizing the power cylinder design for combustion efficiency and thermal management.
- Conduct CFD and FEA analyses to evaluate thermal, structural, and fluid dynamics performance of mechanical and energy systems.
- Interpret and make recommendations based upon simulation results and collaborate with cross-functional teams through design reviews and technical discussions to guide product development.
- Apply data analysis techniques, including Matlab/Simulink modeling, Python-based scripting and machine learning, to support predictive modeling and performance forecasting.
- Document analysis objectives, methods, and results using standardized reporting formats and recommend modifications based upon findings.
- Lead the development and performance of system-level and component-level simulations using 1-D tools such as GT-SUITE, Matlab/Simulink, Converge, and Ansys Fluent to support engine and generator design and development.
- Stay informed on relevant technologies, tools, and industry trends to support continuous improvement and recommend changes to best practice based upon findings.
- Develop modeling workflows and analysis best practices to improve efficiency and accuracy.
What you bring
gt‑suite
matlab/simulink
python
cfd
machine learning
5+ years
- Bachelor of Science Degree in Mechanical or Electrical Engineering or related discipline
- Proficiency in 1-D simulation with GT-SUITE.
- Proficient in applying machine learning and advanced predictive analytics to optimize engine performance and emissions, with experience developing custom models.
- Extensive experience designing and executing co-simulation workflows, including SiL and HiL integration for real-time system validation.
- Proficient at applying MATLAB/Simulink and Python in engineering analysis and simulation.
- Familiarity with gaseous fuel systems for internal combustion engines.
- Advanced proficiency in applying 1-D and 3-D CFD tools to complex propulsion systems, with demonstrated success in optimizing thermal, lubrication, and ventilation performance.
- Fluency in using Converge to conduct in-cylinder combustion modeling in internal combustion engines.
- Proficient in simulating in-cylinder combustion using Converge.
- Excellent written and verbal communication skills with the ability to clearly interpret and present complex simulation results to technical and non-technical audiences.
- Deep expertise in internal combustion engine system architecture, operational dynamics, and advanced testing methodologies.
- Expertise applying MATLAB/Simulink and Python in engineering analysis and simulation to internal combustion engine design.
- Extensive hands-on experience with GT-xCHEM or CHEMKIN as applied to engine aftertreatment system modeling.
- Superior analytical acumen and strategic problem-solving capabilities, with a track record of delivering high-impact engineering solutions.
- Proficiency in applying 1-D and 3-D CFD tools to internal combustion engine related systems, including thermal management, lubrication system, crankcase ventilation, combustions phasing, camshaft design, turbochargers, exhaust gas recirculation, and exhaust aftertreatment.
- Experience with machine learning and predictive analytics techniques applied to engine performance and emissions modeling.
- Expertise in exhaust aftertreatment simulation with GT-Suite/GT-xCHEM or CHEMKIN.
- Master’s degree in mechanical engineering, Aerospace Engineering, Computer Science, or a related field of study.
- Exceptional ability to synthesize and present complex simulation insights to diverse technical and non-technical stakeholders, influencing design decisions.
- Proficient with co-simulation environments, including Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL).
- Strong written and verbal communication skills with the ability to clearly interpret and present complex simulation results to technical and non-technical audiences.
- 5+ years of relevant work experience
- Strong analytical and problem-solving skills, with a deep understanding of internal combustion engine design, operation, and testing.
- Previous experience in a Simulation Engineer, Analysis Engineer, or a related engineering discipline.
- Expertise in engine and engine system simulation with GT-SUITE.
- Experience with internal combustion engine exhaust aftertreatment system design and specification.
Information not given or found
Training + DevelopmentInformation not given or found
Interview process
Information not given or found
Visa SponsorshipInformation not given or found
Security clearanceInformation not given or found
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Company
Overview
$4.3B Revenue
Annual Income
The company generates over $4.3 billion in revenue annually.
80% US Share
Backup Power Dominance
The company dominates the backup power market, holding about 80% of the US share.
- It began by engineering affordable home standby generators and built its first engine tailored for generator use.
- Its portfolio spans portable units, residential standby systems, large commercial/industrial generators, light towers, power washers, battery storage, and smart-home energy devices.
- Typical projects include outfitting homes for outage resilience, powering construction sites with mobile generators, and deploying microgrid and natural gas generator solutions for commercial clients.
- Innovations include the PWRcell home energy storage line, integration of EV charging and remote monitoring via Mobile Link and Concerto software platforms.
- Generac Gives: a commitment to being a good neighbor and corporate citizen where employees live and work.
- Focus areas include education (especially STEM for underserved youth), first responders, disaster preparedness, veterans & military families, community volunteerism, energy conservation, and clean-energy education & innovation.
- Employee-enabled giving: all full-time employees receive volunteer time off and access to small grants for charities they're involved with.
- Hyper-local impact: philanthropic focus centered on locations where facilities and employees are based.
- Powering Up Education: employees engage in STEM outreach through classrooms, learning events, and facility tours.
- Generac Volunteers: organized teams participate in activities such as food sorting, shelter refurbishment, and STEM mentoring.
- Generac Community Spirit Awards: recognizing the most active volunteers during National Volunteer Appreciation Week.
$440 M investment
Solar + Battery Initiative
The company is investing up to $440 million in a Puerto Rico solar and battery initiative to power 40,000 homes.
$50 M awarded
Clean-Energy Microgrids
Received a $50 million award from the DOE's GRIP program to implement clean-energy microgrids at approximately 100 California water-utility sites, with at least 55% located in disadvantaged communities.
55% in disadvantaged communities
Clean-Energy Microgrids
Implementing clean-energy microgrids at 100 California water-utility sites, with a focus on serving at least 55% in disadvantaged communities.
409 kW solar
Net-Zero Microgrid
Supported a net-zero microgrid at Hotel Marcel, featuring a 409 kW solar installation and 1,012 kWh storage capacity.
- Partnership with DOE on Puerto Rico solar + battery initiative (up to $440 M investment for 40,000 homes)
- Awarded $50 M (via DOE GRIP) for clean-energy microgrids at ~100 California water-utility sites, at least 55% in disadvantaged communities
- Supported microgrid at Hotel Marcel (net-zero, 409 kW solar, 1,012 kWh storage)
- Distributing zero-emissions hydrogen fuel-cell generators in North America via partnership with EODev
- Generac Mobile® lighting towers reduce fuel consumption by up to 75% vs. traditional models via hybrid/battery and LED innovation
- Net-zero target not explicitly stated in publicly available sources
- The 2023 ESG report notes ESG integration but includes no specific DEI goals or gender breakdown.
- Public materials provide no data on female/male workforce percentages, leadership gender representation, diversity recruitment, or retention metrics.
- Neither generac.com nor LinkedIn pages disclose strategic DEI targets or outcomes.
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