---
title: 'Senior Data Engineer at Spearmint Energy'
canonical: 'https://feeny.ai/job/senior-data-engineer-spearmint-energy-bch9mzr7zcwj'
type: 'job'
last_seen: '2026-09-15'
---

# Senior Data Engineer at Spearmint Energy

- **Company:** Spearmint Energy
- **Posted:** 2026-09-02
- **Last confirmed live:** 2026-09-15
- **Apply:** https://job-boards.greenhouse.io/spearmintenergy/jobs/4393136009

## Job description

Role: Senior Data Engineer

Location: Miami, FL (4 days In-Office, 1 day Remote)

Apply: [www.spearmintenergy.com](http://www.spearmintenergy.com) / joinus@spearmintenergy.com

## Who We Are

Spearmint Energy is an integrated energy infrastructure platform focused on developing, owning, operating, and optimizing battery energy storage systems ("BESS") to reduce grid volatility, provide system stability for new large loads, and increase system resiliency. Spearmint currently operates 350 MW/700 MWh in ERCOT with an additional 300 MW/600 MWh under construction and has projects under development throughout the United States. Headquartered in Florida, with an additional office in Minnesota, Spearmint Energy is guided by strong values rooted in people, partnerships, and the planet.

For more information, please visit: https://www.spearmintenergy.com/

## What You Will Do

We are looking for an experienced Data Engineer to join our small but growing team and raise the level of how we acquire, transform, and serve data. You will own our data platform and the pipelines that feed market research and operations. We run on a solid foundation of Snowflake, AWS, Airflow, and Python. You will own the architecture and standards that scale with it. This professional will be a member of the Research team and report directly to the Engineering Manager.

Core Responsibilities:

- Design, build, and operate our data platform on AWS and Snowflake.
- Ingestion from market, telemetry, and vendor sources (Airflow, Python)
- Layered transformations into trusted, business-ready tables
- Idempotent, replayable pipelines with tests and alerting
- Warehouse performance and cost
- Set the engineering standards for our data work.
- Architecture and transformation framework, such as dbt
- Conventions for timestamps, naming, typing, late-arriving data
- Backfills, schema evolution, lineage, data quality
- Documentation, code review, CI/CD, mentoring

## Who You Are

- BS degree in a technical field
- 5+ years building production data pipelines
- Strong experience with Python and SQL, beyond scripts and notebooks
- Strong Snowflake depth or equivalent: clustering, incremental loading, query profiling, cost control
- Strong experience with Airflow or a comparable orchestrator in production
- Working knowledge of AWS, enough for routine DevOps on your own services
- Demonstrated ownership of data modeling and transformation standards
- A track record of raising standards inside an existing codebase
- Passion for clean energy

Nice To Haves

- Familiarity with power system concepts (load, generation, transmission, MW vs. MWh), energy markets, and energy storage
- Experience with dbt or a comparable transformation framework
- Experience with high-frequency time-series data
- Comfortable owning infrastructure as code (CloudFormation, CDK)
- Deep AWS expertise beyond routine DevOps, especially networking and hybrid connectivity

Must have work authorization to work in the United States

## About Spearmint Energy

## Company Overview
- **One-liner**: Spearmint Energy is a next-generation energy company that develops, owns, operates, and optimizes large-scale battery energy storage systems (BESS) to reduce grid volatility and increase power system resiliency.
- **Entity Type**: Private (Debt-financed growth stage; multiple venture rounds completed)
- **Headquarters**: Miami, Florida, United States
- **Founded**: 2022
- **Founders**: Andrew Waranch (Founder, President, and CEO)

## Core Business
- **Primary industry**: Energy Storage / Renewable Energy Infrastructure
- **Target customers**: Utilities, load-serving entities, renewable energy developers, and grid operators (B2B / Enterprise)
- **Mission or purpose statement**: "To accelerate the delivery of stable and inexpensive energy to the power grid" by building and tolling batteries to strengthen aging energy infrastructure and enable greater renewable generation.

## Products & Services
- **Battery Energy Storage Systems (BESS)**: Development, ownership, operation, and optimization of utility-scale battery projects. Key assets include Revolution (West Texas), Tierra Seca, Seven Flags (ERCOT, 350 MW / 700 MWh operational), and Red Egret (300 MW / 600 MWh under construction in Texas City, TX).
- **Energy Optimization & Tolling Services**: Real-time trading and optimization of storage assets to capture price arbitrage, reduce waste, and provide grid stability services.
- **Project Development Pipeline**: A diversified national portfolio of storage and renewable generation projects under development across the United States.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Key Metric**: Total funding raised of **$484M** (as of June 2026), including a $325M expanded debt facility closed in June 2026 with Nuveen EIC, Elda River, Harrison Street, and Aiga Capital Partners. Additional project-level financing totals approximately $450M.
- **Notable Investors/Partners**: Nuveen Energy Infrastructure Credit, Elda River Capital Management, Harrison Street Asset Management, Aiga Capital Partners, Kyuden International Corporation, Manulife Financial, Greenprint Capital
- **Growth Signals**:
  - Operates 350 MW / 700 MWh in ERCOT with 300 MW / 600 MWh under construction
  - Secured $325M corporate debt facility in June 2026 to accelerate platform growth
  - Completed $450M in project financings for Red Egret in Texas City
  - Added Kyuden International as a strategic partner for two 100 MW projects that commenced operations in late 2025
  - Headcount of over 60 professionals with offices in Miami (HQ) and Eden Prairie, MN

## Competitive Advantages
- **First-mover in high-volatility markets**: Focuses on ERCOT (Texas), where grid imbalances and price volatility are most acute, enabling higher returns from battery optimization.
- **Integrated development-to-optimization model**: Combines project development, financing, ownership, and real-time trading under one roof, reducing friction and maximizing asset value.
- **Strong capital access**: Multiple institutional debt and project finance relationships provide a deep capital base for rapid scaling.
- **Experienced team**: Composed of developers, researchers, finance professionals, and optimization experts with a "fresh perspective" on energy markets [spearmintenergy.com](https://spearmintenergy.com/).

## Strategic Focus
- **Scale the operating portfolio**: Leverage the new $325M debt facility to advance the operating portfolio (Tierra Seca, Seven Flags, Revolution) and development pipeline nationwide.
- **Expand geographic footprint**: Target markets with the greatest grid imbalances and demand for reliable power infrastructure.
- **Continue project construction**: Deliver Red Egret (300 MW / 600 MWh) and additional projects under development.
- **Deepen optimization capabilities**: Use data science and real-time trading to extract maximum value from storage assets.

## Why Work Here
- **Mission-driven impact**: Directly contributes to grid stability, renewable energy integration, and reducing carbon emissions — a tangible climate solution.
- **Growth trajectory**: Young company (founded 2022) with rapid scaling, multiple project financings, and a clear path to becoming a national leader in energy storage.
- **Cross-functional team**: Work alongside experts in development, finance, data science, commercial operations, legal, and regulatory affairs.
- **Culture**: Emphasizes values rooted in "people, partnerships, and the planet" with a safety-first approach [spearmintenergy.com](https://spearmintenergy.com/).
- **Locations**: Hybrid/office presence in Miami, FL (HQ) and Eden Prairie, MN. Over 60 employees with a flat-ish structure (21% Directors, 21% Specialists, 19% Managers).
- **Notable Perks**: Opportunities to work on some of the largest BESS projects in the U.S.; exposure to cutting-edge energy markets and real-time power trading.

## Sources
1. [spearmintenergy.com](https://spearmintenergy.com/)
2. [LinkedIn - Spearmint Energy](https://www.linkedin.com/company/spearmint-energy)
3. [CB Insights - Spearmint Energy](https://www.cbinsights.com/company/spearmint-energy)
4. [Greenhouse Careers Page](https://job-boards.greenhouse.io/spearmintenergy)
5. [Business Wire - $325M Debt Facility (June 2026)](https://www.businesswire.com/news/home/20260623964912/en/)

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