Application Guide

How to Apply for Senior Project Engineer, EPC and Commissioning - Battery Storage

at Plus Power

🏢 About Plus Power

Plus Power is a leading standalone energy storage developer with a 10+ GW portfolio across 25+ states, focused on transforming North American grids into cleaner, more resilient infrastructure. The company's data-driven, intentional approach to development and operations, coupled with a culture of radical transparency and internal partnering, makes it a unique place to drive climate impact profitably.

About This Role

As a Senior Project Engineer, you will lead the EPC and commissioning phases of utility-scale battery storage projects, ensuring they are built on time, within budget, and to high technical standards. Your work directly enables the rapid deployment of clean energy storage, replacing fossil fuel peakers and enhancing grid reliability.

💡 A Day in the Life

You might start your day with a call with an EPC contractor to review progress on a project in Texas, followed by a technical review of commissioning test procedures for a site in California. Afternoon could involve coordinating with the interconnection team on utility requirements or traveling to a site to oversee a critical commissioning milestone, ensuring safety and quality standards are met.

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🎯 Who Plus Power Is Looking For

  • Bachelor's degree in Engineering (Electrical, Mechanical, or related) with 7+ years of experience in EPC and commissioning of utility-scale power projects, ideally battery storage or renewable energy.
  • Proven track record managing EPC contractors and subcontractors, with deep understanding of electrical balance of plant, SCADA, and grid interconnection requirements.
  • Strong project management skills, including budgeting, scheduling, risk management, and contract negotiation, with ability to resolve technical issues on-site.
  • Excellent communication and stakeholder management skills, capable of working cross-functionally with development, finance, and operations teams, and comfortable with remote work and travel.

📝 Tips for Applying to Plus Power

1

Tailor your resume to highlight specific battery storage EPC and commissioning projects you've led, quantifying megawatt-hours, timelines, and cost savings.

2

In your cover letter, explicitly mention Plus Power's mission and culture, citing examples from their website or news about how you align with their values of radical transparency and internal partnering.

3

Demonstrate your familiarity with the standalone energy storage market by referencing recent industry trends or Plus Power's portfolio specifics (e.g., ERCOT or CAISO projects).

4

If you have experience with a specific technology (e.g., Tesla, Fluence, or NEC), highlight it, as Plus Power likely works with multiple OEMs.

5

Be prepared to discuss how you handle commissioning challenges in remote or harsh environments, as Plus Power operates across 25+ states.

✉️ What to Emphasize in Your Cover Letter

['Emphasize your hands-on experience in commissioning battery storage systems, including safety protocols (e.g., NFPA 855) and grid code compliance.', "Showcase your ability to manage multiple projects simultaneously and collaborate with diverse teams, aligning with Plus Power's 'ideas meritocracy' culture.", "Express enthusiasm for the company's mission to decarbonize the grid and your desire to contribute to their rapid growth.", 'Highlight any experience with data-driven decision-making or continuous improvement, as Plus Power values an intentional approach.']

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → Review Plus Power's recent project announcements and press releases to understand their market focus (e.g., ERCOT, CAISO, PJM).
  • → Look into their leadership team and any talks or articles they've published on energy storage trends.
  • → Understand the technical aspects of their portfolio: which battery OEMs they use (e.g., Tesla, LG) and any innovative features like hybrid plants.
  • → Check their careers page for any blog posts or employee testimonials to get a sense of the company culture.

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Describe a complex EPC project you led: what were the technical challenges and how did you resolve them?
2 How do you ensure safety during battery storage commissioning, especially with high-voltage DC systems?
3 Explain your experience with grid interconnection processes and how you've navigated utilities' requirements.
4 Tell me about a time you had to manage a difficult contractor or supplier. How did you handle it?
5 Why Plus Power? How do you align with our culture of radical transparency and internal partnering?
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⚠️ Common Mistakes to Avoid

  • Don't submit a generic resume that doesn't highlight EPC and commissioning experience specifically for battery storage—this is non-negotiable.
  • Avoid focusing only on development or financing experience; the role is hands-on engineering and project delivery.
  • Don't underestimate the importance of soft skills; Plus Power values transparency and collaboration, so be prepared to demonstrate these in your application and interviews.

📅 Application Timeline

This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.

Typical hiring timeline:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

✓

Offer

Congratulations!

Ready to Apply?

Good luck with your application to Plus Power!

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