Purchasing & Vendor Coordination

• Create and manage requests for quotes (RFQs), purchase orders, and procurement documentation
• Coordinate with vendors to obtain pricing, lead times, order confirmations, and delivery updates
• Support purchasing needs across engineering, IT, administrative, facilities, and operations teams
• Track open orders and proactively follow up to ensure timely delivery
• Maintain accurate vendor records and procurement documentation within internal systems

Purchase Orders, Invoices & Transaction Management

• Match purchase orders with invoices, receipts, and supporting documentation
• Review transactions for accuracy, completeness, and proper approval routing
• Code purchases to appropriate cost centers, accounts, projects, or departments
• Partner with finance and accounting to resolve discrepancies and payment issues
• Support month-end close activities related to procurement and accounts payable

Procurement Systems & Process Support

• Maintain procurement system data, including vendors, items, workflows, and approval paths
• Support internal users with purchasing requests, system navigation, and workflow questions
• Identify opportunities to improve procurement processes, controls, and documentation
• Help streamline workflows to increase efficiency, visibility, and compliance
• Assist with reporting, purchasing analysis, and administrative support tasks

Required Qualifications

• 2+ years of experience in procurement, purchasing, supply chain, finance operations, accounts payable, or related roles
• Experience creating purchase orders, tracking vendor orders, and supporting invoice/payment workflows
• Strong attention to detail with a focus on accuracy and documentation
• Ability to work cross-functionally with engineering, IT, operations, and finance teams
• Strong organizational and time management skills with the ability to manage multiple priorities
• Excellent written and verbal communication skills
• High level of initiative, accountability, and follow-through

Preferred Qualifications

• Experience in an R&D, engineering, manufacturing, aerospace, or technical environment
• Familiarity with procurement systems, ERP platforms, or accounts payable tools
• Experience coding transactions to chart of accounts, cost centers, or project codes
• Exposure to vendor onboarding, procurement approvals, or contract documentation
• Familiarity with technical purchasing categories (IT, engineering, facilities, etc.)
• Experience supporting process improvements or system configuration in a growing organization

Growth Potential

This position serves as a foundational role within procurement operations. As Mantis Space continues to grow, there will be opportunities to expand into areas such as:

• Procurement or Purchasing Management
• Vendor Management
• Procurement Systems Administration
• Supply Chain Coordination
• Finance Operations

High performers will have the opportunity to take on increased ownership, lead process improvements, and grow into broader operational leadership roles.

Throughout the hiring process, we evaluate candidates on the following qualities:

• Passion & Work Ethic: Demonstrates resilience, motivation, and high personal standards
• Ownership & Action: Assumes full accountability for outcomes, acting decisively, and ensuring commitments are delivered
• Team Player: Works collaboratively across teams, contributing to shared success, and engaging in constructive debate
• Integrity & Growth Mindset: Operates with transparency and humility, learns from setbacks, and actively seeks opportunities to grow

Our Hiring Process

We aim to move quickly and efficiently, with most candidates completing the process in under two weeks.

• Submit application
• Talent Acquisition pre-screen call (20 min)
• Hiring Manager interview (30 min)
• Executive-level interview (30 min)
• Offer decision