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Make a Living by Making a Difference

Join Our CSR Team

Looking for more than a job?
Our Customer Service Reps are the first voice of SumZero — and the first reason our customers stay loyal. Start your career in a place where your voice matters.

What You’ll Do

You’ll be the first impression for our customers. Whether they’re scheduling a visit, asking questions about rebates, or checking on service, you’ll handle it with warmth, clarity, and professionalism.

Typical Day Might Include:

  • Answering inbound customer calls and emails
  • Booking appointments for sales or service
  • Explaining basic service and installation timelines
  • Coordinating with the install and service team
  • Following up with customers after jobs to ensure satisfaction
Hours: 7:30AM – 4:30PM (Full Time)
Location: Hybrid (1–2 days in our MetroWest office)
Start Date: As soon as you’re ready

What’s In It for You

  • $17–$25/hour depending on experience
  • Bonus opportunities tied to customer satisfaction metrics
  • Health, dental, and vision insurance
  • Retirement matching plan
  • Paid training & career development
  • A team that values hard work, honesty, and human connection

“I never felt like just another cog. Here, they actually listen and help you grow.”
Caitlin S., CSR since 2022

What’s In It for Us

We’re not just looking for someone to answer phones. We’re looking for someone who sees each customer interaction as an opportunity to serve — someone who wants to grow with us.

If you’re:

  • Eager to learn and grow with a fast-moving team ...we want to meet you.
  • Friendly and empathetic
  • Organized and detail-oriented
  • A great communicator (verbal and written)

Real Reviews from Customers

(and Why CSRs Matter)

Explore More Career Opportunities

If CSR isn’t the perfect fit, check out our other openings:

Service Technician
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Lead Coordinator
CSR

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Warehouse Support
WAREHOUSE

Make sure jobs start sharp and finish strong.

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Licensed Electrician
ELECTRICIAN

Power homes. Take pride. Build what matters.

Holliston
Full Time
Your Growth Path
See how we train, promote, and coach the right people forward.

No pressure. Just possibilities.

We review every application personally. You’ll hear back from us within 3 business days.

Questions? Email us directly at careers@sumzeroenergy.com