Buyer 1

About HydroGraph

HydroGraph is a hyper-growth advanced materials company scaling pristine, high-performance graphene via its patented Hyperion detonation technology. With more than 70 active commercial projects, a growing global footprint, and industry-leading material quality (99.8% pure graphene), HydroGraph is building the next generation of engineered materials for coatings, composites, and energy storage. Our new Austin HQ will serve as the flagship center for innovation, applied R&D, customer engagement, and rapid material development.

Position Summary

The Buyer I  supports all purchasing and supply chain operations, ensuring the timely and cost-effective acquisition of goods and services. This role plays a critical part in maintaining supplier relationships, managing purchase transactions within NetSuite, coordinating logistics activities, and supporting office and IT-related operations. The position requires a highly organized, detail-oriented individual capable of managing multiple priorities in a fast-paced environment. This position reports to the Director of Supply Chain.

Key Responsibilities

Procurement & Purchasing

• Support direct and indirect procurement activities, including vendor outreach and negotiation assistance


• Create and manage purchase orders within NetSuite ERP


• Perform 3-way matching (PO, receipt, invoice) to ensure data accuracy and payment integrity


• Maintain supplier records, pricing data, and contract documentation


• Assist in setting up and managing corporate supplier accounts and Net 30 terms

Logistics & Supplier Management

• Coordinate inbound and outbound shipments, including small parcel shipping and freight


• Track shipments and proactively follow up on delivery status


• Communicate with suppliers and internal stakeholders to resolve order discrepancies and delays


• Support customer-facing logistics coordination as needed

Technology Supply & Vendor Management

• Serve as the primary interface between internal stakeholders and the external Managed Service Provider (MSP), managing SLAs, issue escalation, and vendor accountability


• Coordinate IT hardware supply and delivery for new hires; partner with the MSP on account provisioning and onboarding timelines


• Maintain IT asset registry and manage equipment lifecycle including supply planning, refresh cycles, and disposition

Supply Chain & Office Operations

• Own replenishment and inventory management for office supplies, consumables, and pantry stock; maintain par levels and manage vendor relationships to ensure cost-effective supply continuity


• Coordinate with facilities and security vendors for access credentialing, badge administration, and service scheduling


• Support day-to-day office operations and execute ad hoc supply chain and administrative tasks as business needs require

What We're Looking For

• Experience in procurement, purchasing, operations, or a related field, or a strong desire to learn and grow into the role


• Exposure to ERP systems a plus; willingness to learn NetSuite required


• Highly organized with strong attention to detail, you care about getting it right


• Able to juggle multiple priorities and follow through without being reminded


• Clear communicator who is comfortable working with suppliers, vendors, and internal teams


• Proficient in Microsoft Office (Excel, Outlook, Teams) or eager to build those skills

Nice to Have

• Experience with 3-way matching or AP processes


• Exposure to manufacturing or lab environments


• Basic understanding of managed IT services or IT asset management

Why Join HydroGraph

• Lead the core scientific engine of one of the fastest-growing graphene companies in the world.


• Shape a next-generation materials platform used across aerospace, energy, infrastructure, consumer goods, and defense.


• Work directly with global partners and world-class advisors (GEIC, OEMs, DoD).


• Competitive compensation, equity participation, and career advancement as the company scales.