Senior R&D Test Engineer
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 an experienced Senior R&D Test Engineer to lead the development and execution of high-value test programs that de-risk the next generation of our thermal energy storage and combined heat and power systems. This person will lead a small team to execute sub-scale and full-scale investigations across Antora's TES modules and balance of plant, translating product development goals into safe, well-instrumented, and actionable experiments. In addition to driving technical execution, this role will help shape the test infrastructure, operating systems, and team culture needed to scale R&D test operations efficiently. The work will directly influence key product decisions, demonstration milestones, and Antora's path to commercialization in new markets.
Roles & Responsibilities
- Lead the planning and execution of sub-scale and full-scale R&D test campaigns to evaluate and de-risk Antora's thermal energy storage modules, CHP systems, and supporting balance of-plant hardware.
- Lead the design, implementation and operation of new test infrastructure for high-temperature, high-power experiments, including process piping, instrumentation and controls, high-power electrical and safety systems.
- Translate product and technology development goals into structured experimental plans, including test objectives, success criteria, operating procedures, and data review methods.
- Develop and improve the systems that enable efficient test operations, including SOPs, test recipes, scheduling methods, data analysis workflows, and reporting tools.
- Partner closely with mechanical, electrical, controls, and technology development teams to identify design risks, root-cause failures, and generate recommendations that improve product performance and reliability.
- Lead troubleshooting and root-cause investigations across mechanical, thermal, fluid, electrical, and controls systems, using strong engineering fundamentals and hands-on problem solving.
- Maintain and continuously improve a strong safety culture by identifying hazards, defining safe operating boundaries, and implementing appropriate interlocks, procedures, and training.
- Mentor and support junior engineers and technicians, helping build a team culture that is rigorous, collaborative, respectful, and energized by ambitious technical work.
- Identify opportunities to improve Antora's test capabilities and advocate for high-value investments in new test infrastructure, tools, and methods.
Key Qualifications
- B.S. in Mechanical Engineering, Electrical Engineering, Chemical Engineering, Aerospace Engineering, or a related engineering field; advanced degree is a plus.
- 5+ years of experience in test engineering, test operations, controls engineering, field engineering, or closely related roles supporting complex industrial hardware systems.
- Demonstrated experience operating, troubleshooting, developing high-temperature and/or high-power systems in environments such as energy, industrial processing, aerospace, advanced manufacturing, or other demanding hardware settings.
- Strong engineering fundamentals across thermal, fluids, electrical, and mechanical systems, with the ability to interpret data and diagnose failure modes in multidisciplinary equipment.
- Hands-on experience building, modifying, maintaining, and troubleshooting experimental or industrial equipment, including instrumentation, plumbing, electrical systems, and control hardware.
- Experience leading small technical teams, providing day-to-day direction to engineers and technicians and promoting a healthy team culture.
- Experience creating or improving structured test operations, such as SOPs, operating procedures, test plans, automation workflows, data pipelines, or standardized reporting methods.
- Proficient in and actively leveraging novel AI tools to increase efficiency in research, planning and execution.
- Proven ability to work cross-functionally with engineers, technicians, and operators to drive investigations from concept through execution and follow-through.
- Demonstrated commitment to safe execution in hazardous or operationally complex environments.
- Strong written and verbal communication skills, including the ability to communicate technical findings clearly and drive decisions from data.
- Willingness to work onsite and flex hours as needed to support critical test execution, including 24/7 test operations and occasional travel to commercial and R&D sites.
Additional Qualifications Desired
- Hands-on commissioning experience on first-of-a-kind hardware, demonstration systems, or pilot-scale or greater industrial equipment.
- Experience with industrial controls, sensing and automation - PLCs, SCADA, analog and digital comms.
- Experience with industrial process piping and electrical design, including wiring diagrams, P&IDs, instrumentation lists, etc.
- Experience developing test automation, scripting, or data analysis tools based in Python, JavaScript, etc. Experience leveraging AI for rapid development of such tools.
- Experience in a startup or fast-paced product development environment where priorities evolve quickly and teams are expected to operate with high ownership.
Work Location: Onsite - San Jose, CA
Salary Range: $154,000 USD - $193,000 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
Job expired?Please let Antora Energy know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Apply now
Job expired?Please let Antora Energy know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
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About the role
April 2, 2026
Full time
Company
- San Jose, California, United States
5+ years
UTC-07:00