Office Administrator

About Mirantis

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

Front desk and visitors

• Greet visitors, offer refreshments and make sure they sign in through our visitor system
• Answer and direct incoming calls

Mail and documents

• Open, date-stamp, scan and route incoming US mail to Accounting, Legal, HR, Immigration and Payroll
• Process incoming checks and send originals to our bank
• Coordinate executive signatures on documents from our HR teams in France and Poland, then return originals by courier

Office and facilities

• Keep conference rooms and the breakroom clean and stocked throughout the day
• Order office supplies, snacks, drinks and coffee from our regular vendors
• Act as the main contact with building management for maintenance, key fobs, room bookings and HVAC, electrical or plumbing issues
• Escalate security concerns to building security

Employee support

• Set up new Campbell hires with a desk, nameplate and key fob, working with IT and building management
• Ship laptops to employees and coordinate returns when people leave
• Add and remove employees from our corporate Uber account
• Coordinate our monthly team lunch, including reminders and adding new hires
• Schedule in-office notary appointments around executive availability

Executive and finance support

• Help the Executive Admin order food for meetings and handle setup and cleanup
• Submit monthly Uber transaction reports to Accounting and Payroll
• Reconcile your company credit card monthly in Concur

• 1+ years in an office admin, reception or front desk role
• Strong organization and attention to detail. You keep many small things moving at once
• Clear, friendly communication in person, by phone and by email
• Comfortable with Google Workspace or Microsoft Office, and quick to learn new tools
• Experience with Concur, Amazon Business, or courier shipping (DHL, FedEx, UPS) is a plus
• You take ownership. If something in the office isn’t right, you fix it or find who can
• Able to work on-site in Campbell, CA, five days a week

Why you’ll love Mirantis

• Work with an established leader in the cloud infrastructure industry.
• Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies.
• Be a part of cutting-edge, open-source innovation.
• Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued.
• Receive a competitive compensation package with strong benefits plan.
• We are a Leader for Container Management in G2 (#2 after AWS)!

It is understood that Mirantis, Inc. may use automated decision-making technology (ADMT) for specific employment-related decisions. Opting out of ADMT use is requested for decisions about evaluation and review connected with the specific employment decision for the position applied for. You also have the right to appeal any decisions made by ADMT by sending your request to [email protected]

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We are a Leader for Container Management in G2 (#2 after AWS)!