Antora Energy

HR & Office Administrator

Big Stone City, SD

On-site

Renewable Energy Power Generation

About This Job

Antora builds and deploys thermal batteries to power always-on industrial operations with low-cost energy. Factory-built in the United States, Antora's modular thermal batteries deliver reliable heat and power, enabling industrial facilities of any size to decarbonize predictably and profitably. 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

As part of a growing team, you will own day-to-day office operations, shipments, site-visit logistics, and first-line HR support enabling the team to execute on mission-critical work. This is an in-person role, onsite in Big Stone City, SD and reports to Antora's global HR team in California while partnering closely with the Senior Site Operations Manager and the team that are based onsite. This will start as a temporary position for 6-months at which time we will evaluate the need for the role to be sustained permanently.

Roles & Responsibilities

HR Support

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+ Orchestrate seamless new-hire onboarding (workspace readiness, IT access, I-9s, benefits enrollment).

+ Act as benefits and payroll liaison, ensuring accurate timekeeping and employee data updates. + Coordinate performance/feedback cycles, engagement surveys, and other HR events. + Uphold confidentiality and direct employees to appropriate HR resources.

Office & Facilities Administration

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+ Maintain snacks, beverages, janitorial services, and office-supply inventory; manage vendor relationships.

+ Coordinate basic IT support or escalate to central IT; track hardware inventory. + Lead organization initiatives to maintain office orderliness.

Shipments & Inventory

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+ Manage inbound and outbound shipments, including Bills of Lading and PO/invoice tracking.

+ Track critical parts and materials to help ensure zero downtime for commissioning and operations.

Site-Visit & Event Coordination

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+ Plan and host visits for internal and external stakeholders, candidates, VIPs (e.g. greeting, catering, safety briefings).

+ Create a welcoming experience that reflects Antora's core values.

Global HR Collaboration

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+ Support shared HR projects by partnering with remote HR teammates (e.g. system updates, culture and DEI initiatives) with

+ Share best practices, surface site-level insights, and champion consistency across locations and time zones.

Key Qualifications (Must-Have)

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2–4 years of HR Operations experience preferably in a high-growth, fast-paced environment.

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HR Fundamentals – Working knowledge of onboarding, benefits, payroll/timekeeping, and HRIS systems

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Operational Excellence – Proven ability to juggle logistics, facilities, and shipments with excellent follow-through.

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Collaboration & Service Mindset – Builds positive rapport with technicians, executives, and remote peers - effectively anticipates needs.

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Tech & Tools Savvy – Comfortable with HRIS and collaboration tools (e.g., Google Workspace, Slack, ChatGPT)

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Problem-Solving & Ownership – Thrives in ambiguous environments, takes initiative, and continuously improves processes.

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Discretion & Reliability – Handles sensitive information with integrity - able to operate in teams and demonstrates sound judgment as an individual contributor

Preferred Qualifications Desired (Nice-to-Have)

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HR certification (PHR, SHRM-CP, or equivalent).

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Experience as an office administrator.

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Experience coordinating shipments and/or warehouse inventory

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Familiarity with safety programs or ISO/OSHA compliance in an industrial setting.

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Ability to create basic dashboards or reports (Sheets, Airtable, or similar) to visualize inventory and HR metrics.

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Prior work in an entrepreneurial or start-up environment.

Work Location: Onsite - Big Stone City, SD

Relocation assistance is available. 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

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.

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