We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.

As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.

When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.

Job Description

• We are seeking a Plant Modeling and Simulation Engineer to develop, validate, and maintain high-quality plant models supporting XIL, virtual validation, and system integration activities.
• This role focuses on building scalable, reusable models across multiple vehicle domains and ensuring alignment with system-level requirements and verification workflows.
• The engineer will work closely with cross-functional teams including system design, architecture, controls, and testing organizations to enable efficient virtual development and validation using model-based techniques.
• This role is ideal for engineers who:
• Enjoy deep technical work in modeling and simulation
• Want to contribute to system-level development and validation
• Are building toward technical leadership or system architecture roles

Key Responsibilities:

• Plant Model Development
• Develop and maintain 0D/1D plant models representing physical systems (e.g., propulsion, chassis, ADAS, infotainment).
• Ensure models meet appropriate fidelity levels depending on development phase (concept, design, integration, validation).
• Perform model validation and correlation against requirements and test data.
• Support model reduction and optimization for simulation efficiency.
• Model-Based Development Support
• Integrate plant models into XIL workflows and environments.
• Support virtual testing, requirement validation, and system verification activities.
• Collaborate with controls and system engineers to ensure alignment between plant models and control strategies.
• Contribute to continuous integration pipelines for model development and validation.
• Collaboration & Integration
• Work with:
• System and functional design teams
• Architecture and simulation framework teams
• Testing and validation teams
• Suppliers and tool vendors
• Ensure plant models:
• Are compatible with simulation platforms
• Support cross-domain integration
• Enable efficient data exchange and reuse
• Model Quality & Governance
• Follow established modeling best practices and standards
• Participate in:
• Model reviews
• Quality checks and validation processes
• Maintain:
• Model documentation
• Version control and configuration management
• Continuous Improvement
• Support initiatives to improve:
• Model fidelity and performance
• Reusability and scalability
• Simulation efficiency
• Contribute to tool evaluation, benchmarking, and process enhancements

Requirements /

Basic Qualifications:

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Computer Engineering, or related field
• A minimum of 3 years of experience in plant modeling, simulation, or V&V environments
• Strong understanding of Model-Based Development (MBD) and virtual testing methods
• Experience with MATLAB/Simulink or similar modeling tools
• Knowledge of physical system modeling (0D/1D)
• Strong problem-solving and analytical skills
• Knowledge of CI/CD tools and methods
• Experience in one scripting language

Preferred Qualifications:

• Experience in automotive OEM
• Familiarity with xIL environments (MIL/SIL/HIL)
• Understanding of automotive V&V processes and standards
• Experience with:
• Model validation and correlation
• Variant/configuration management
• Version control systems
• Domain experience in:
• Propulsion
• ADAS
• Chassis
• Infotainment

Key Competencies:

• Strong collaboration and communication skills
• Ability to work in cross-functional teams
• Attention to detail and commitment to model quality
• Adaptability to Agile development environments

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.

Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.

Compliance Notice:

Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement:

As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.