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ON.energy

Junior Simulation Engineer - EMS

ON.energy · Mexico

Posted 15 days ago

or apply directly on ON.energy's site. We never take the application ourselves.

Is this posting real?

This role has been open
15 days
ON.energy's roles stay open a median of 45 days
Reposted
No
Salary listed
No
0% of ON.energy's roles list one
Ghost-job risk at ON.energy
high
38 stale, 3 reposted of 64 open
Hiring momentum
96 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from ON.energy's own greenhouse board since 2026-08-03. Full hiring picture for ON.energy.

About this role

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.

Our read on this posting3.0out of 5
benefits
3/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of ON.energy as an employer.

What you need

  • 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 you get

  • 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

Worth weighing

  • 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

Summarised from ON.energy's posting. Read the full original.

Listed by ON.energy on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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