Senior Administrative Assistant

ERock; Houston (TX); Hybrid; USD 60,000 - 80,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Company-Paid Life Insurance

FSA

HSA with company contribution

401(k) Retirement Plan & Company Match

Paid Time Off – Sick & Vacation Time

Paid Holidays

Hybrid Work Schedule

Wellness Programs and Incentives

Job summary

ERock is seeking a Senior Administrative Assistant to provide high-level support to multiple senior leaders. You will manage calendars, coordinate complex travel, prepare reports and agendas, and organize leadership meetings. You’ll also handle budgeting, invoices, onboarding, and vendor coordination in a fast-paced setting.

The role emphasizes meticulous organization, proactive problem-solving, and a strong service mindset, with opportunities to influence operations across the leadership team.

Qualifications

• 5+ years of administrative, executive support, office management, or related experience.
• Experience supporting multiple leaders simultaneously.
• Advanced proficiency with Microsoft Outlook, Word, Excel, PowerPoint, and Teams.
• Strong calendar management and travel coordination experience.
• Experience processing expenses, invoices, or basic bookkeeping activities.
• Excellent written and verbal communication skills.
• Strong organizational skills with the ability to manage multiple priorities and deadlines.

Responsibilities

• 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.
• 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.
• 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.

Skills

Calendar management

Travel coordination

Microsoft Office

Executive support

Communication

Expense processing

Budget tracking

Tools

ERP systems

Procurement systems

Job description

ERock!

ERock is a leader and innovator in distributed energy. Enchanted Rock has responded to long-term trends in electricity by becoming the first smart-grid supplier to US energy consumers. The company installs, operates, and integrates its highly flexible, low-cost, and quick-response distributed generation to increase reliability and stability, reduce costs and decrease carbon footprint.

Job Type

Full-time

Description

We are ERock! ERock is a leader and innovator in distributed energy. Enchanted Rock has responded to long-term trends in electricity by becoming the first smart-grid supplier to US energy consumers. The company installs, operates, and integrates its highly flexible, low-cost, and quick-response distributed generation to increase reliability and stability, reduce costs and decrease carbon footprint.

At ERock, our backup generators ensure that customers will never be without power, allowing their business to operate normally when there is an outage in the area. Our innovative approach provides customers with highly reliable, ultra-clean backup generation at a fraction of the cost of traditional backup solutions. We seek those who share our commitment to customer service, innovation, and ingenuity.

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.

Requirements

Basic (Required) Qualifications

• 5+ years of administrative, executive support, office management, or related experience.
• Experience supporting multiple leaders simultaneously.
• Advanced proficiency with Microsoft Outlook, Word, Excel, PowerPoint, and Teams.
• Strong calendar management and travel coordination experience.
• Experience processing expenses, invoices, or basic bookkeeping activities.
• Excellent written and verbal communication skills.
• Strong organizational skills with the ability to manage multiple priorities and deadlines.

Preferred Qualifications

• Experience supporting VP, CIO, CTO, or other executive-level leaders.
• Experience working in a manufacturing, energy, engineering, or technology environment.
• Familiarity with ERP, accounting, or procurement systems.
• Experience coordinating vendor relationships and purchase orders.

Key Competencies

• Professionalism and discretion with confidential information.
• Strong attention to detail.
• Ability to anticipate needs and solve problems proactively.
• Excellent time management and prioritization skills.
• Customer-service mindset and ability to work across all levels of the organization.
• Ability to operate independently with minimal supervision.

Benefits

• Competitive Pay
• Medical, Dental, Vision, and Prescription Drug Insurance
• Company-Paid Life Insurance
• Flexible Spending Account (FSA)
• Health Savings Account (HSA) with a company contribution
• Wellness Programs and Incentives
• 401(k) Retirement Plan & Company Match
• Paid Time Off – Sick & Vacation Time
• Paid Holidays
• Hybrid Work Schedule!
• Cool Open-Office Concept

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

ERock is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

At ERock, we embrace diversity, including all the unique characteristics that make us human: race, age, sexual orientation, gender identity, religion, disability, and education — to name a few. We understand and recognize that diverse backgrounds and perspectives strengthen our teams and our business. The foundation of our diversity efforts is closely tied to our core values specifically our value of “The Team” which includes “Mutual Respect, Openness, and Honesty.”