About POSH

POSH is revolutionizing the battery energy storage industry by providing innovative, intelligent, and sustainable solutions for commercial and industrial (C&I) applications. We help businesses optimize power management and reduce carbon footprints.

We are seeking an Energy Analysis & Modeling Engineer to support our mission by developing, analyzing, and optimizing energy storage models that improve system performance, efficiency, and cost-effectiveness.

Responsibilities

• Develop, validate, and maintain energy models for battery storage and hybrid energy systems.
• Perform technical and economic analysis of energy storage systems, including savings potential, payback period, and return on investment (ROI).
• Analyze load profiles, utility tariffs, and market energy pricing to determine optimal system sizing and configuration.
• Utilize tools like Python and other simulation softwares to model microgrids, solar + storage, and grid-tied storage applications.
• Support battery degradation modeling to optimize system lifetime and financial returns.
• Collaborate with hardware and software teams to integrate real-world performance data into modeling frameworks.
• Work with business development and sales teams to generate customer proposals and feasibility studies for energy storage deployments.
• Conduct sensitivity analyses to evaluate different economic scenarios, including incentives, demand charges, and market fluctuations.
• Stay up to date with policy changes, energy storage incentives, and market trends to enhance project feasibility assessments.

Qualifications

• Bachelor's or Master’s degree in Electrical Engineering, Mechanical Engineering, Energy Systems, or a related field.
• 2+ years of experience in energy modeling, energy analytics, or battery storage system analysis.
• Strong proficiency in Python, or similar tools for energy system simulation and data analysis.
• Knowledge of battery energy storage technologies, power markets, demand response, and grid integration.
• Familiarity with utility rate structures, demand charges, and incentive programs (e.g., SGIP, ITC, IRA incentives).
• Strong analytical and problem-solving skills, with the ability to translate technical findings into actionable business insights.
• Excellent communication skills, with experience in preparing technical reports and customer-facing presentations.

Why Join POSH?

• Work at the forefront of battery energy storage and sustainability.
• Be part of an innovative team shaping the future of energy storage financing and deployment.
• Career growth opportunities in a fast-scaling clean energy startup.
• Competitive salary, benefits, and potential for equity participation.

If you are passionate about energy modeling, analytics, and storage optimization, we want to hear from you! Apply today and help us power a more sustainable future.