ARi is a fast-growing general engineering firm headquartered in East Peoria, IL, USA. Our power of I represents the innovation, intelligence, ingenuity, and insight that differentiates us from our competition. With 1,500+ engineering talent worldwide, representing multiple nationalities and countries, we are well-positioned to deliver sophisticated and custom solutions to our clients.

The Engine Components and Thermal Systems (ECTS) Structural Analysis Team within the Large Power Systems Division (LPSD) is seeking an experienced Structural Analysis Engineer to support New Product Introduction (NPI) and Current Product Improvement (CPI) programs.

This position will perform advanced structural analysis and simulation for cooling and aftertreatment components and systems . The work involves technically challenging structural problems, including engine and machine vibration, forced response, nonlinear material behavior, complex geometries, fatigue, and structural durability .

The Structural Analysis Engineer will work closely with design and validation teams to evaluate structural integrity, predict component performance and service life, and provide actionable recommendations that influence product design.

Duties & Responsibilities

Perform structural analysis and simulation to evaluate structural integrity, response, performance, durability, and service life of cooling and aftertreatment components and systems.

Perform FEA involving:

Static structural analysis

Vibration and modal/dynamic analysis

Transient dynamic analysis

Boundary nonlinearities

Material nonlinearities

Fracture analysis

Fatigue and fatigue-life prediction

Bolted-joint analysis

Welded-structure analysis

Analyze complex structural behavior associated with engine and machine vibration and forced response.





Interpret simulation results and provide design and development teams with clear technical conclusions and actionable recommendations.

Support New Product Introduction (NPI) and Current Product Improvement (CPI) activities.

Collaborate closely with Cooling and Aftertreatment Design Engineering teams.

Partner with test and validation teams to correlate analytical predictions with physical test results.

Investigate structural failures and performance concerns and recommend appropriate design improvements.

Continuously improve structural analysis methods, processes, modeling techniques, and simulation accuracy.

Prepare and communicate technical analysis results, conclusions, and recommendations to engineering stakeholders.

Education & Experience

Bachelor’s degree in Mechanical Engineering or a related engineering discipline with approximately 57 years of relevant experience, OR

Master’s degree in Mechanical Engineering or a related engineering discipline with approximately 24 years of relevant experience, OR

PhD in Mechanical Engineering or a related engineering discipline with approximately 12 years of relevant experience.

Industrial experience performing structural analysis/FEA, preferably involving static and/or dynamic structural analysis.

Required Technical Skills

Strong understanding of structural mechanics and dynamics.

Strong understanding of material properties and material behavior.

Knowledge of fatigue and durability fundamentals.





Hands-on structural simulation experience involving several of the following:

Static analysis

Modal/vibration analysis

Transient dynamics

Nonlinear analysis

Material nonlinearities

Contact/boundary nonlinearities

Fracture

Fatigue-life analysis

Bolted joints

Welded structures

Strong hands-on experience with ABAQUS.

Strong hands-on experience with HyperMesh.

Ability to develop FE models, define appropriate loads and boundary conditions, evaluate results, and translate findings into engineering recommendations.

Ability to understand complex structural behavior and troubleshoot simulation/modeling issues.

Preferred Technical Skills

Experience with machine dynamic simulation.

Experience analyzing engine, heavy-equipment, automotive, off-highway, or other mechanically dynamic systems.

Experience with nonmetallic structural simulation.

Experience developing or implementing user-defined material behavior/models.

Experience with component interaction and contact modeling.

Experience with machine and structural design and validation.

Experience correlating FEA results with physical testing.

Working knowledge of Pro/ENGINEER (Pro/E) or Creo sufficient to prepare and modify geometry for finite-element modeling.

Experience analyzing complex geometries and specialized or advanced engineering materials.

Collaboration
The Engineer Will Work Extensively With

Cooling System Design Engineers

Aftertreatment Design Engineers

Structural Analysis/Simulation Engineers

Test and Validation Engineers

Product Design and Development teams

The role requires the ability to clearly explain simulation results and translate complex analytical findings into practical recommendations for design teams.

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📌 Structural Analysis Engineer – FEA / ABAQUS (Centro)
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