IT System Administrator

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.

• Provision, configure, and deprovision laptops and other endpoints for new and departing employees.
• Manage user accounts, groups, and access in Microsoft 365 and related systems.
• Ensure devices comply with security and configuration standards.

• Perform daily administration of M365 (Exchange, Teams, SharePoint, OneDrive).
• Assist with configurations, troubleshooting, and minor enhancements.
• Support implementation and rollout of new features and tools.

• Handle L1/L2 support tickets across hardware, software, accounts, and connectivity issues.
• Meet defined SLAs for response and resolution.
• Document solutions and contribute to a self-service knowledge base.

• Support office IT (Wi-Fi, printers, conference rooms, network connections).
• Assist with office moves, expansions, and new equipment deployments.

• Maintain accurate asset records and lifecycle updates.
• Follow and improve IT runbooks, SOPs, and checklists.
• Provide feedback to improve processes, tooling, and user experience.

• 3–5+ years in IT support or systems administration roles.
• Hands-on experience managing Windows and macOS endpoints.
• Experience administering Microsoft 365 in a business environment.

• Familiarity with device management tools (Intune / Endpoint Manager or similar).
• Working knowledge of networking basics (IP, DNS, DHCP, Wi-Fi).
• Ability to troubleshoot hardware, OS, and application issues efficiently.

• Strong customer-service mindset; patient and clear with non-technical users.
• Organized, reliable, and able to manage multiple tickets and tasks.
• Good written communication skills for documentation and user-facing articles.

• Experience in a high-growth or multi-site environment.
• Exposure to security best practices, MFA, and SSO.
• Experience in manufacturing, energy, or hardware–software environments.

For US-based roles - What you’ll get:

• Competitive salary + annual performance-based bonus eligibility
• Medical, dental, and vision insurance
• 401(k) with company match
• Paid time off and company holidays 

For Mexico-based roles - What you’ll get:

• Competitive salary + annual performance bonus eligibility
• Christmas Bonus (Aguinaldo): 30 days
• Major medical expenses and life insurance
• Paid time off and holidays (per local policy)

For all roles:

• Professional development and growth opportunities
• Opportunity to grow with a mission-driven team shaping the future of clean energy
• Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
• Accommodations: If you need an accommodation during the application process, email [email protected]
• Benefits vary by role and location and are subject to change.