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← ON.energy

Junior Simulation Engineer - EMS

ON.energy
Location
Mexico
Posted
19 days ago
Department
Energy Management Systems
What they actually want (must-haves)
  • Entry-Level, 0–2 years of experience
  • Hands-on experience with MATLAB and Simulink for model-based design and system simulation
  • Demonstrated understanding of Software-in-the-Loop and Hardware-in-the-Loop testing methodologies
  • Foundational knowledge of battery systems, power electronics, or energy storage technologies
  • Coursework or project experience in control theory, embedded systems, or mechatronics
  • Ability to write clear technical documentation and communicate simulation findings to multi-disciplinary engineering teams
Nice to have
  • Experience with BESS, inverters, or distributed energy resources (DER)
  • Ability to read and interpret single-line diagrams and understand basic power system concepts
  • Exposure to version control for simulation projects
  • Knowledge of Li-ion or LFP battery chemistry and cell-level behavior
  • Experience with code generation from Simulink models
What the job really is

The Junior Simulation Engineer at ON.energy focuses on building, running, and validating simulation environments for Battery Energy Storage Systems (BESS). This role involves developing Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL) test environments, analyzing simulation outputs, and collaborating with senior engineers on model development. The position offers mentorship and access to advanced simulation hardware while contributing to the validation of energy management software before hardware integration.

Benefits
  • Competitive salary + annual performance bonus eligibility
  • Christmas Bonus (Aguinaldo): 30 days
  • Major medical expenses and life insurance
  • Paid time off and holidays (per local policy)
  • Professional development and growth opportunities
  • Opportunity to grow with a mission-driven team shaping the future of clean energy
Things to weigh
  • No salary figures provided in the posting
  • The role is entry-level, which may limit advanced responsibilities or decision-making opportunities
  • The focus on simulation may not provide direct hands-on experience with hardware initially
Job score3/5
Benefits3/5
Freshness4/5
Career value4/5
Role clarity4/5
Pay transparency0/5

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