---
title: 'Sr. Project Engineer at Antora Energy'
canonical: 'https://feeny.ai/job/sr-project-engineer-antora-energy-san-jose-9ecdpmbcnggw'
type: 'job'
last_seen: '2026-09-09'
---

# Sr. Project Engineer at Antora Energy

- **Company:** Antora Energy
- **Location:** San Jose, CA
- **Posted:** 2025-10-30
- **Last confirmed live:** 2026-09-09
- **Apply:** https://job-boards.greenhouse.io/antora/jobs/5693949004

## Job description

Antora Energy delivers affordable, reliable energy to industry, data centers, and the grid. Our thermal batteries turn low-cost electricity into always-on heat and power, without supply-constrained critical minerals or multi-year construction timelines.

We are growing our company with people who put team and mission first, value connection through laughter and joy, and work with humility and openness. We are committed to building a diverse, passionate, and creative team dedicated to a future powered by abundant, clean, low-cost energy.

Position Summary

We are seeking a self-driven and passionate individual to join our engineering and project execution team to deliver zero-carbon industrial heat and power with our novel solid state thermal battery. We are a tight-knit team that loves what we do and we strive to have an impact, working with humility and openness while building lifelong relationships along the way.

As a Project Engineer, you will work on the balance-of-plant (BOP) systems for Antora Energy’s thermal energy storage projects across test and commercial sites. You will be a key technical member of a cross-functional and rapidly growing organization as we deploy our first commercial scale projects.

Roles & Responsibilities

- Coordinate engineering resources, internal and external, to design, construct, commission, and troubleshoot the balance-of-plant system.
- Ensure project technical documentation (PFD’s, P&IDs, SLDs, Cause & Effect, etc) are aligned across Antora engineering and external parties; including change management, RFIs, and final as-built drawings. Work with document control resources to facilitate required engineering reviews prior to documents being issued for construction.
- Review discipline design deliverables (Mechanical, Structural, Electrical) to confirm design requirements are met and facilitate successful field implementation.
- Review or create construction work plans and submittal packages. Support generation of commissioning plans and hand-over of Inspection Test Plans (ITPs) to the commissioning team. Support engineering in handing over documentation to the plant operations team.
- Support the Supply Chain and Procurement teams by writing requests for proposals, reviewing quotes, and evaluating vendor technical capabilities.
- Collaborate with the Project Manager on project cost, schedule, and risks. Maintain the project action log and drive resolution of open items.
- Support engineering, construction, and commissioning phases of project by having an in-person presence for both ensuring proper coordination between technical resources and quality compliance to engineering design.
- Typical travel of 25%

## Key Qualifications

- Bachelors or equivalent in an engineering field (e.g. civil, construction management, industrial, process, chemical, etc.) and/or 5+ years’ experience in industrial project engineering (oil & gas, chemicals, power plants, etc.).
- Have worked for, or with, EPC teams.
- Proficient in reading and interpreting construction plans and specifications. (PFD’s, P&IDs, SLDs, Cause & Effect, etc)
- Experience working independently, as well as working in a team-orientated and fast-paced startup-like environment.

Additional Qualifications Desired

- Experience in construction and commissioning of process plants or other industrial facilities.
- Proficient in using construction estimating practices, software and tools (ACCE, ICARUS).
- Familiarity with 3D CAD (Solidworks, Navisworks), 2D drawings (AutoCAD).
- Have a PE in a related discipline.
- Technical writing: equipment specifications and technical reports.
- Vendor and client relations.
- Managing contractors.

Work Location:  Onsite - San Jose, CA

Salary Range:  $165,000 USD - $180,000 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.

#LI-Onsite https://diversityjobs.com/employer/top-diversity-employers?utm_campaign=TopEmployer&utm_medium=badge  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.

## About Antora Energy

## Company Overview
- **One-liner**: Antora Energy manufactures and deploys modular thermal batteries that convert low-cost, intermittent clean electricity into reliable, always-on heat and power for global industrial facilities and data centers.
- **Entity Type**: Private (Series B)
- **Headquarters**: San Jose, California, United States
- **Founded**: 2018
- **Founders**: Justin Briggs, Andrew Ponec, David Bierman

## Core Business
- **Primary industry/industries**: Renewable Energy Power Generation, Thermal Energy Storage, Industrial Decarbonization
- **Target customers**: Large-scale industrial energy users (biofuels, refining, pulp & paper, steel & iron, chemicals, mining, concrete & lime, food & beverage) and data center operators (B2B, Enterprise).
- **Mission or purpose statement**: “We are here to power global industry with clean energy.” The company aims to make cheap, clean energy the standard that powers global industry.

## Products & Services
- **Thermal Battery System**: A modular, factory-built energy storage system that uses solid carbon (one of the safest, most stable materials on earth) to store surplus clean electricity as heat. It delivers always-on heat and power for industrial operations, scales from megawatts to gigawatts, and is designed for low cost, rapid deployment, and massive scale.
- **Project Big Stone**: One of the largest battery storage systems in the world, deployed in under 12 months for POET, the world’s largest biofuels producer. It delivers affordable, reliable energy and serves as a proof-of-concept for the company’s giga-scale deployment model.

## Market Standing
- **Valuation/Market Cap**: Not publicly available.
- **Key Metric**: Total funding of **$220.0M** across 10 rounds, including a $150M Series B led by Decarbonization Partners (Feb 2024). Annual revenue estimated at **$7.7M**.
- **Notable Investors/Partners**: Decarbonization Partners, National Science Foundation, California Energy Commission. Key partner: POET (biofuels).
- **Growth Signals**: 197 employees (+36.6% YoY), 31,700 LinkedIn followers (+42.9% YoY), active job postings up 140% YoY. The company is building gigawatt-hours of thermal batteries annually at its U.S. factory and has a presence in Spain.

## Competitive Advantages
- **Proprietary Technology**: Uses solid carbon thermal storage—a simple, safe, and low-cost material—to provide both heat and power, differentiating from chemical battery or molten salt solutions.
- **Modular & Factory-Built**: Modules are manufactured in a U.S. factory, enabling rapid deployment, seamless integration, and operational redundancy at any scale.
- **Speed to Market**: Project Big Stone advanced from an empty lot to energy delivery in under 12 months, demonstrating a fast deployment model that can be replicated globally.
- **Multi-day Storage**: Provides reliable energy for industrial operations where downtime is not an option, solving the intermittency problem of renewables.

## Strategic Focus
- **Scale and Replicate**: Replicating the Project Big Stone model at factories and data centers across the U.S. and globally.
- **Giga-scale Manufacturing**: Expanding factory capacity to produce gigawatt-hours of thermal batteries each year, with a focus on American manufacturing.
- **Market Expansion**: Targeting hard-to-abate industrial sectors (steel, cement, chemicals) and data centers, while expanding internationally (e.g., Spain).
- **Cost Leadership**: Driving down costs to make cheap, clean energy the standard for global industry.

## Why Work Here
- **Mission-Driven Work**: The company’s north star is to power global industry with clean energy, offering employees a chance to work on one of the most urgent climate challenges.
- **Culture**: Values include “Build with Humility & Openness,” “Team & Mission First,” and “Joy & Laughter Connect Us.” The company emphasizes kindness, collaboration, and learning from setbacks.
- **Work Environment**: Hybrid/remote-friendly with “Home Week” each quarter to bring in-person and remote team members together. Offices in San Jose, CA; Big Stone City, SD; and remote roles in the U.S.
- **Benefits**: Competitive salary, stock options, 401k match, 16 weeks paid parental leave, comprehensive medical/vision/dental, HSA with employer contribution, subsidized backup childcare/senior care/petcare, mental health support, on-site gym, healthy snacks, and volunteer time off.
- **Engineering & Impact**: Teams work on cutting-edge thermal storage, manufacturing, and field engineering. The company is growing fast (36% headcount growth) and offers the chance to shape a new industry.

## Sources
1. [antora.com](https://www.antora.com/)
2. [antora.com/company](https://www.antora.com/company)
3. [antora.com/careers](https://www.antora.com/careers)
4. [linkedin.com/company/antora-energy](https://www.linkedin.com/company/antora-energy)
5. [cbinsights.com/company/antora-energy](https://www.cbinsights.com/company/antora-energy)

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