Antora Energy

Senior or Staff Electrical Engineer

Join Antora Energy in San Jose, California as a Senior Electrical Engineer. Lead design of medium-voltage electrical systems for innovative thermal energy storage. Enjoy competitive salary, stock options, premium health benefits, and flexible paid time off in a mission-driven, diverse team.
Antora Energy
Antora Energy
San Jose, California, United States On-site Full time USD 129k–225k yearly UTC-07:00

Antora Energy

Company Overview

Antora Energy

Sunnyvale, CA, United States

2018

Employee count is not publicly specified, and as a private company, no revenue figures are disclosed for 2023 or later (source: cbinsights.com).

What They Do

Antora Energy is a pioneering private renewable energy company that specializes in thermal energy storage solutions aimed at decarbonizing industrial heat and power. Founded by a team of experts with advanced degrees from Stanford and MIT, the company focuses on innovative technologies such as thermophotovoltaics (TPV) and scalable energy systems. Their core product is a modular thermal battery that stores renewable electricity as heat in solid carbon blocks, which can be heated to extremely high temperatures for multi-day storage and then discharged as industrial heat or electricity (source: research.contrary.com; antora.com).

The technology is designed to address the significant emissions produced by the industrial sector, which accounts for nearly one-third of global emissions. Antora's thermal batteries are capable of achieving over 40% heat-to-electricity conversion efficiency, making them a cost-effective alternative to traditional energy storage solutions. The company targets heavy industries such as chemicals, mining, food and beverage, oil and gas, cement, and steel, providing solutions that require continuous high-temperature heat and power (source: energy.mit.edu; antora.com).

Antora differentiates itself from competitors by offering dual heat and power output, high efficiency of TPV cells, and the ability to operate at extreme temperatures. Their manufacturing operations are based in the United States, ensuring quality and reliability in production. The company also employs a Heat-as-a-Service model, allowing clients to avoid upfront capital costs by installing batteries and purchasing heat or electricity under long-term contracts (source: antora.com; cbinsights.com).

Projects & Track Record

In 2023, Antora Energy successfully commissioned its first commercial-scale thermal battery, a 5 MWh system located near Fresno, California. This project, developed in partnership with Wellhead Electric, is notable for being the world's first operational thermal battery utilizing carbon blocks and TPV technology, providing continuous industrial heat and power. This pilot project marks a significant milestone in Antora's journey towards commercial deployment across various sectors, with plans for future projects in industries such as chemicals, mining, food and beverage, and oil and gas, some of which are expected to be operational by 2025 (source: research.contrary.com; energy.mit.edu).

Additionally, Antora opened a state-of-the-art 50,000 square foot manufacturing facility in San Jose, California, in 2023, which is recognized as the world's largest TPV manufacturing operation. This facility is designed to produce TPV cells and assemble batteries, with an annual capacity of 2 megawatts, further solidifying Antora's position as a leader in thermal energy storage technology (source: cbinsights.com; research.contrary.com).

Recent Developments

Antora Energy has made significant strides in recent years, including raising $150 million in a Series B funding round in early 2024, led by Decarbonization Partners, which includes BlackRock and Temasek. This funding brings the company's total equity funding to approximately $204.73 million, aimed at scaling thermal battery production to meet the growing demand for zero-emissions energy solutions. In 2023, the company also launched its commercial-scale batteries and received over $4 million in grants from the California Energy Commission and ARPA-E to support its TPV expansion efforts (source: antora.com; cbinsights.com).

Moreover, Antora's innovative technology earned recognition in 2023, winning TIME’s Best Inventions and Fast Company’s World Changing Ideas awards, highlighting the impact of their thermal battery solutions on the renewable energy landscape. The merger with Medley Thermal has also enhanced Antora's capabilities by integrating software solutions for industrial boiler systems, further improving deployment efficiency (source: research.contrary.com).

Working There

Antora Energy offers a range of career opportunities across various departments, including engineering, software integration, commercial operations, and research and development. The company is particularly focused on hiring talent to support its manufacturing operations and project deployments, with job openings primarily located in their Sunnyvale and San Jose offices. The culture at Antora emphasizes rapid iteration and collaboration among a team of professionals with backgrounds from prestigious institutions like Stanford and MIT, fostering an environment that is mission-driven and focused on deploying large-scale battery solutions globally (source: climatetechlist.com; research.contrary.com).

While specific employee benefits are not extensively documented, the company's Heat-as-a-Service model and focus on long-term operations suggest a commitment to stability and predictability for its workforce. Antora's emphasis on creating jobs in the US is also highlighted in their funding announcements, reflecting their dedication to contributing positively to the local economy (source: antora.com).


Last updated on Feb 23, 2026 | Report an issue

Antora builds and deploys thermal energy storage to power always-on industrial operations and data centers with low-cost energy. Factory-built in California, Antora's thermal batteries deliver reliable and cost-effective heat and power for industrial loads of any size. Antora is electrifying global industry while supporting U.S. manufacturing jobs, lowering costs for energy consumers, and enhancing the competitiveness of American industry.

We are growing our company with people who put team and mission first, value connection through laughter and joy, and build with humility and openness. We are committed to continue building a diverse, passionate, and creative team dedicated to a future where every industrial facility, everywhere on earth, is powered by abundant, clean, low-cost energy.

Position Summary

Antora is seeking a skilled and motivated Sr. Electrical Engineer to join our growing team. As an Electrical Engineer, you will play a crucial role in developing electrical systems for our innovative thermal energy storage system. Your expertise will be essential in defining electrical scope and ensuring compliance with applicable codes, standards, and safety practices. This role requires a deep understanding of electrical distribution, transformation, and control of large (>100MW) medium voltage systems.

Roles & Responsibilities

  • Design, configure, and specify medium-voltage protective relay architectures and control schematics. Author protective relay settings files, logic matrices, and point-to-point wiring diagrams for utility-grade microprocessor-based relays (e.g., SEL, GE).
  • Own and execute advanced electrical power system studies, including load flow, short-circuit calculation, motor starting, transient stability, and arc-flash hazard analysis in absolute accordance with IEEE and NFPA guidelines.
  • Support electrical engineering, construction, and commissioning activities at the Company's R&D sites, including installation of transformers, panelboards, cables and raceways, grounding system, and protective devices.
  • Review vendor materials quotations, evaluate technical bid evaluations, and recommend selections based on technical merit along with price and delivery. Collaborate with Supply Chain to procure equipment and materials.
  • Coordinate engineering/design execution, planning, and interface to ensure compliance with applicable codes, environmental guidelines, quality assurance program, project schedule, and budget.
  • Working knowledge of equipment and cable sizing, grounding calculations, lighting, conduit/cable tray fill, and electrical studies (load flow, short circuit, protection coordination, and transient stability)
  • Define electrical architecture and develop one-line diagrams for the first-of-its-kind thermal storage R&D and commercial facilities.
  • Prepare electrical load lists and equipment datasheets, develop specifications, commissioning, and maintenance procedures.

Key Qualifications

  • BSEE with at least 5 years of related experience.
  • Electrical equipment requisitioning experience up to 35kV.
  • Electrical Power System studies experience with ETAP or SKM Power Tools.
  • Familiarity with protective relays and electrical control system components.
  • Ability to work in a fast-paced environment with multiple simultaneous goals.

Additional Qualifications Desired

  • Professional Engineer (PE) certification or ability to obtain it in a reasonable timeframe.
  • Familiarity with DNP3, IEC61850, and other communication standards.
  • Field engineering & construction support at medium to large industrial facilities.
  • Experience working with EPCs on projects from pre-FEED to detailed engineering and design, commissioning, and startup.

Work Location: Onsite - San Jose, CA

Salary Range: $129,000 USD - $225,000 USD

Salary Basis: Annual

Please note that the salary range listed above reflects Antora Energy's estimated pay for this position. The actual salary offered will be within the posted range and determined based on several factors including but not limited to a candidate's experiences, credentials and expertise, as they pertain to the position's requirements.

In addition to a competitive base salary, Antora Energy's Total Rewards program includes equity compensation in the form of stock options, a premium health benefits package with life and disability insurance, a 401K plan with employer contributions, flexible spending accounts, and an industry leading paid-time-off policy that features flexible and inclusive holiday observance, as well as paid volunteer time off.

When it comes to stopping climate change, we need everyone. We believe that having a diversity of backgrounds and experiences strengthens all of us, and we strive to create an environment where every one of us is empowered to create meaningful change.

Benefits

Compensation & Paid Time Off

  • Competitive salary
  • Stock options
  • 401k plan with company match
  • Clean commute stipend
  • 15 paid vacation days per year, increasing with tenure
  • 12 paid holidays (10 fixed, 2 of your choosing)
  • 16 hours of volunteer time off
  • 16 weeks of paid parental leave
  • 24 hours of wellbeing time off

Health & Wellness

  • Comprehensive medical coverage for employees & dependents
  • Health savings account option with employer contribution
  • Vision, dental, and life coverage
  • Flexible spending account & dependent care account options
  • Subsidized backup childcare, senior care, and petcare
  • 80 hours of sick leave
  • Personalized access to mental health support

Facilities & Community

  • Kitchen with a variety of healthy snacks & drinks
  • On-site gym with fitness equipment
  • On-site showers and bike parking
  • Dedicated mothers' room
  • Team volunteer events
  • Monthly social gatherings
  • Foosball table and lawn games for breaks and friendly competition

Apply now

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About the role

July 1, 2026

July 3, 2026

Full time

On-site

Company

USD 129k–225k yearly

Energy Storage

Antora Energy

antora.com

  •  San Jose, California, United States

5+ years

UTC-07:00