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Jobs at ON.energy (Now Hiring) — 13 open

ON.energy logoON.energy

Tax Manager

Miami, Florida, United States · On-site

Senior$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Tax Compliance, Federal And Multi-state Filings, ITC Monetization, Tax Planning, M&A Transactions

ON.energy logoON.energy

Commissioning Technician I (Site Support)

Houston, Texas, United States · On-site

Entry level$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Electrical Installation, Battery Energy Storage Systems, Cable Terminations, Grounding Checks, Insulation Testing

ON.energy logoON.energy

Product Controls Engineer

Houston, Texas, United States · On-site

Mid level$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Network Architecture, Industrial Control Systems, Modbus, DNP3, OPC-UA

ON.energy logoON.energy

Senior Mechanical Engineer

Houston, Texas, United States · On-site

Senior+$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Structural Analysis, Mechanical System Validation, Finite Element Analysis, Stress Analysis, Fatigue Analysis

ON.energy logoON.energy

Support Analyst

Villahermosa, Tabasco, Mexico · On-site

Mid level$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Real-Time Monitoring, Alarm Detection, System Operation, Emergency Response, Data Logging

ON.energy logoON.energy

Senior Manager, Commercial Negotiations & Deal Structuring

Reston, Virginia, United States · On-site

Senior$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Commercial Negotiation, Deal Structuring, Risk Allocation, Contract Negotiation, Project Finance

ON.energy logoON.energy

Risk and Insurance Manager

Houston, Texas, United States · On-site

Senior$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Insurance Portfolio Management, Claims Coordination, Contractual Risk Review, Covenant Monitoring, Underwriting Data Collection

ON.energy logoON.energy

AI UPS Product Manager

Houston, Texas, United States · Remote OK

Senior$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Product Management, Power Electronics, BESS Systems, Market Research, Product Development Process

ON.energy logoON.energy

Treasury Analyst

Ciudad de México, Mexico · On-site

Mid level$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Cash Management, Treasury Operations, Liquidity Management, Cash Flow Forecasting, Bank Account Administration

ON.energy logoON.energy

Commissioning Technician II

Amarillo, Texas, United States · On-site

Mid level$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Electrical Testing, Troubleshooting, Commissioning, Medium Voltage Switching, BESS Components

ON.energy logoON.energy

Supply Chain Sourcing Manager - Control Panels & Automation Systems

Houston, Texas, United States · Remote OK

Senior+$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Strategic Sourcing, Supplier Relationship Management, Contract Negotiation, Procurement, Supply Chain Planning

ON.energy logoON.energy

IT Support

Ciudad de México, Mexico · Hybrid

Mid level$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Windows OS Administration, Technical Support, TPM 2.0, BitLocker, Remote Support

ON.energy logoON.energy

Engineering Strategy & Operations Manager

Houston, Texas, United States · Remote OK

Senior$263M raised

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at…

Skills: Engineering Metrics, Executive Communication, Process Improvement, Technical Program Management, SOP Development

ON.energy logo

Tax Manager

ON.energy

Miami, Florida, United States • On-site

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Senior

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  • Full-time
  • bachelor degree, postgraduate degree, professional certificate
  • Medical Insurance, Dental Insurance, Vision Insurance, 401(k) With Company Match, Paid Time Off, Company Holidays
  • Posted 12h ago
  • ~40 hrs/week

Responsibilities

Oversee all aspects of tax compliance, reporting, and planning for the company and its related entities. Lead specific clean energy tax workstreams and supervise the Tax Analyst to ensure scalable processes.

Requirements

Requires a Bachelor's degree in Accounting or Finance and a CPA or Enrolled Agent certification with at least 5 years of tax experience. Direct experience with clean energy tax rules (§48, §48E, §6418) and multi-state compliance is strongly preferred.

Full job description

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.

POSITION OVERVIEW

The Tax Manager is responsible for overseeing and managing all aspects of tax compliance, reporting, and planning
for ON.energy and all its related entities. This role leads the tax function end-to-end — from federal and multi-state
filings to ITC monetization strategy — and directly supervises the Tax Analyst. The Tax Manager operates as a
strategic partner to the Tax Director, CFO, and Finance team, ensuring the company remains fully compliant while
optimizing tax positions across a growing portfolio of clean energy projects.

 

CORE RESPONSABILITIES

  • Manage all federal, state, and local tax compliance obligations across ON.energy and its related entities,
    including income, franchise, sales & use, property, and transaction privilege taxes, ensuring zero late filings.
  • Lead all §48E ITC workstreams, including safe harbor strategy, PWA and Domestic Content compliance, FEOC
    certification, and credit monetization via §6418 transfers.
  • Develop federal income tax projections and advise on structuring, planning, and M&A transactions; monitor
    legislative and regulatory developments.
  • Supervise, coach, and develop the Tax Analyst; build scalable processes and SOPs to support a growing
    portfolio.
  • Serve as the primary tax point of contact across Finance, Legal, and Project Development, and support the Tax
    Director with reporting, forecasting, and strategic presentations.
    Coordinate with external tax advisors and legal counsel on complex matters, audits, and tax opinions.

REQUIREMENTS 

  • 5+ years of tax experience; minimum 1 year in a manager or senior role.
  • Bachelor's degree in Accounting, Finance, or related field required; Master's in Taxation or JD/LLM preferred.
  • Certification CPA or Enrolled Agent required (active license).
  • Direct experience with §48, §48E, §6418, PWA, and/or Domestic Content rules strongly preferred.
  • Demonstrated experience managing multi-state compliance including sales & use, property tax, and franchise taxes.
  • Proficiency in Excel (advanced); experience with tax compliance software and ERP systems.
  • Prior experience supervising or mentoring junior tax staff required

For US-based roles - What you’ll get:

  • Competitive salary + annual performance-based bonus eligibility
  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and company holidays 

For Mexico-based roles - What you’ll 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)

For all roles:

  • Professional development and growth opportunities
  • Opportunity to grow with a mission-driven team shaping the future of clean energy
  • Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
  • Accommodations: If you need an accommodation during the application process, email [email protected]
  • Benefits vary by role and location and are subject to change.

Related keywords

Tax ManagerCPAEnrolled AgentSection 48EITCPWADomestic ContentFEOC CertificationSection 6418Multi-state ComplianceClean EnergyTax ProjectionsM&AFranchise TaxSales & Use TaxProperty Tax

About ON.energy

LinkedInVisit site

The Race is ON.

Industry
Energy Technology
Company size
51-200 employees
Headquarters
Miami, Florida
LinkedIn followers
31,904
Total funding
$263M

ON.energy is building the backbone of energy and AI infrastructure, powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. Its track record spans industrial, manufacturing, infrastructure, transportation, and grid-scale storage. With patented technology and proprietary software, ON.energy develops projects worldwide that set new benchmarks for resilience.

Offices: 2900 SW 28th Terrace, Suite 402, Miami, Florida 33133, US · 434 Avenida José Pardo, 802, Miraflores, Lima 15074, PE · Insurgentes Sur 319, Col. Hipodromo, Oficina #60, Cuauhtémoc, Ciudad de México 06700, MX

Energy StorageRenewable EnergyElectric SectorPowerEnergyEngineeringSoftwareControlsEngineering DesignBESS
View all jobs at ON.energy

About ON.energy

LinkedInVisit site

The Race is ON.

Industry
Energy Technology
Company size
51-200 employees
Headquarters
Miami, Florida
LinkedIn followers
31,904
Total funding
$263M

ON.energy is building the backbone of energy and AI infrastructure, powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. Its track record spans industrial, manufacturing, infrastructure, transportation, and grid-scale storage. With patented technology and proprietary software, ON.energy develops projects worldwide that set new benchmarks for resilience.

Offices: 2900 SW 28th Terrace, Suite 402, Miami, Florida 33133, US · 434 Avenida José Pardo, 802, Miraflores, Lima 15074, PE · Insurgentes Sur 319, Col. Hipodromo, Oficina #60, Cuauhtémoc, Ciudad de México 06700, MX

Energy StorageRenewable EnergyElectric SectorPowerEnergyEngineeringSoftwareControlsEngineering DesignBESS
View all jobs at ON.energy

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