Senior Simulation Lead: FEA/CFD & Ray Tracing (12-Month)

Johnson & Johnson; Limerick; On-site; EUR 83,000 - 131,000; Full time

Job summary

Johnson & Johnson Vision seeks a Senior Simulation Resource to lead advanced engineering simulation across FEA, CFD and ray tracing. You will deliver validated workflows, enable cross-functional teams and drive HPC best practices to accelerate product development and decisions.

The role requires 6+ years of hands-on industrial FEA/CFD, proficiency with major tools, and strong scripting skills (Bash, MATLAB, C++). 12‑month contract with competitive hourly rate.

Qualifications

• Bachelor’s degree in Mechanical, Aerospace, Physics, Applied Mathematics, Optical Engineering, or related field; Master’s or PhD preferred.

Responsibilities

• Lead end-to-end simulation projects in FEA, CFD and ray tracing: problem definition, model setup, meshing, solver selection, post-processing, and reporting.
• Develop and maintain reusable simulation workflows, templates, and automation (scripting, parameterization).
• Provide technical consultation to design, test and systems engineering teams; translate requirements into validated simulation strategies.
• Mentor and upskill engineers: run training sessions, code reviews, and best-practice workshops.
• Validate simulation results against test data; quantify uncertainty and provide recommendations for design decisions.
• Optimize simulation throughput using HPC, GPU acceleration and solver settings; manage job scheduling and resource use.
• Implement QA processes for model control, versioning, and traceability.
• Collaborate with stakeholders to define simulation KPIs, manage timelines and present technical findings to non-technical audiences.

Skills

FEA

CFD

Ray tracing

HPC

Scripting

Data analysis

Bash

MATLAB

C++

Education

Bachelor’s degree in Mechanical, Aerospace, Physics, Applied Mathematics, Optical Engineering, or related field

Master’s or PhD preferred

Tools

Abaqus

ANSYS Mechanical

ANSYS Fluent/CFX

STAR-CCM+

OpenFOAM

COMSOL

HyperWorks/Altair

LS-DYNA

ParaView

EnSight

Job description

Johnson & Johnson Vision seeks a Senior Simulation Resource to lead advanced engineering simulation across FEA, CFD and ray tracing. You will deliver validated workflows, enable cross-functional teams and drive HPC best practices to accelerate product development and decisions.

The role requires 6+ years of hands-on industrial FEA/CFD, proficiency with major tools, and strong scripting skills (Bash, MATLAB, C++). 12‑month contract with competitive hourly rate.