Senior Modeling Engineer: Multi-Physics Simulation Lead

Elbit Systems of America; Roanoke (VA); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

9/80 schedule

401(k) program

Medical, dental, vision coverage

Life Insurance

Paid PTO

Parental Leave

Employee Referral Program

Voluntary Benefits

TRICARE Supplement

Job summary

Elbit America in Roanoke, Virginia, is seeking a Senior Modeling Engineer to develop, validate, and apply advanced multi-physics models that guide sensor and system technologies. You will lead modeling efforts, validate results with experiments, and collaborate across engineering teams to drive prototypes and hardware readiness.

The role requires deep modeling expertise, hands‑on ANSYS experience, and the ability to translate complex phenomena into actionable insights for both technical and

Qualifications

• PhD in Engineering, Physics, Applied Mathematics, or related field; or MS with 3+ years of relevant experience; or BS with 6+ years of relevant experience.
• Proven ability to relate simulation results to experimental data and physical behavior.
• Hands‑on experience in ANSYS multi‑physics environments, including Electromagnetic, Structural (Static & Dynamic), Fluid Dynamics, and surface/atomic‑scale phenomena.
• Demonstrated history of moving models from concept to physical implementation.
• Strong capability in explaining and interpreting physical phenomena, both verbally and in written form.
• Excellent problem‑solving skills and a collaborative mindset.
• Experience with multi‑physics modeling (thermal‑structural, fluid‑structure interaction, electromagnetic‑mechanical coupling, etc.)

Responsibilities

• Develop advanced multi-physics models using ANSYS, including Electromagnetic, Static and Dynamic Structural, Fluid Flow, Atomic Flow, and Surface Kinetics simulations.
• Correlate modeling results with experimental data to ensure accuracy, reliability, and predictive capability.
• Work closely with experimental, design, and systems engineering teams to guide physical prototypes and product development.
• Translate complex physical phenomena into clear, actionable insights for technical and non‑technical stakeholders.
• Drive the transition from theoretical models to functional hardware, ensuring model fidelity throughout development cycles.
• Document modeling approaches, assumptions, and results; present findings to cross‑functional teams and leadership.
• Conduct advanced numerical analysis using tools such as FEA, CFD, MBD, or multi-physics simulation environments.
• Mentor junior engineers in modeling best practices, numerical methods, and analysis tools.
• Evaluate new modeling tools, technologies, and techniques to continuously improve simulation capabilities.
• Communicate results and model limitations clearly to technical and non‑technical stakeholders.

Skills

Simulation-to-data mapping

Collaborative mindset

Verbal and written communication

Problem solving

Modeling best practices

Education

PhD in Engineering, Physics, Applied Mathematics

MS with 3+ years relevant experience

BS with 6+ years relevant experience

Tools

ANSYS multi-physics

Job description

Elbit America in Roanoke, Virginia, is seeking a Senior Modeling Engineer to develop, validate, and apply advanced multi-physics models that guide sensor and system technologies. You will lead modeling efforts, validate results with experiments, and collaborate across engineering teams to drive prototypes and hardware readiness.

The role requires deep modeling expertise, hands‑on ANSYS experience, and the ability to translate complex phenomena into actionable insights for both technical and