Senior Administrative Assistant, IT

We are ERock!

ERock (NYSE: EROC) is enabling energy for a new era. ERock delivers onsite utility-grade power that gets customers up and running quickly, while supporting long-term grid development. ERock’s proprietary natural gas generators help critical facilities address grid constraints, interconnection delays, and outage risks while accelerating speed-to-power for new and expanding operations. Trusted by data centers, utilities, manufacturers, healthcare systems and government organizations, ERock engineers for rapid deployment, long-duration reliability, low local emissions, and scalable performance to meet the evolving energy demands of today and tomorrow.

Position Summary:

The Senior Administrative Assistant provides high-level administrative and operational support to multiple senior leaders, including executive and department-level leadership. This role serves as a key organizational resource responsible for calendar management, travel coordination, meeting logistics, expense reporting, document preparation, and various administrative and operational tasks. The ideal candidate is highly organized, detail-oriented, proactive, and capable of managing competing priorities in a fast-paced environment.

Key Responsibilities:

Executive & Administrative Support

• Manage complex calendars for multiple leaders, including scheduling meetings, coordinating priorities, and resolving conflicts.
• Coordinate domestic and international travel arrangements, including flights, hotels, transportation, and itineraries.
• Prepare meeting agendas, presentations, reports, and other business documents.
• Organize and coordinate internal meetings, leadership meetings, and offsite events.
• Track action items and follow up with stakeholders to ensure timely completion.
• Screen and prioritize incoming communications and requests.

Office & Operational Support

• Assist with department budgeting, invoice processing, purchase requisitions, and expense reporting.
• Support vendor setup, purchase orders, and contract administration activities.
• Maintain records, files, and confidential business documents.
• Coordinate onboarding logistics for new team members, including workspace, equipment, and scheduling.
• Assist with planning team events, training sessions, and employee engagement activities.
• Serve as a point of contact between leadership, employees, vendors, and external partners.

Financial & Administrative Coordination

• Process invoices and ensure timely submission for payment.
• Reconcile corporate credit card expenses and travel-related expenditures.
• Assist with tracking departmental budgets and spending.
• Support month-end administrative activities and reporting.
• Maintain accurate records of expenses, contracts, and vendor documentation.