Office Manager

Lead Bookkeeper/Admin Assistant-Office Manager

Job description:

Lead Bookkeeper/ Office Manager

Houston, TX | Full-Time | Environmental Services

Our client is a mission-driven environmental services company focused on improving air quality. They are a small, growing team where every contribution matters, ideas spark change, and your work has a real impact.

They are seeking a proactive, highly organized Bookkeeper / Office Manager to manage financials, office operations, and executive support. This is a hands-on role ideal for someone who thrives in a fast-paced, collaborative environment, enjoys variety, and takes ownership of responsibilities.

Key Responsibilities

Financial Management & Bookkeeping

• Manage client invoicing, accounts payable, accounts receivable, and general bookkeeping using QuickBooks Pro
• Maintain accurate financial records and perform bank and credit card reconciliations
• Track expenses and assist with monthly financial reporting
• Manage weekly time tracking and project billing in BigTime
• Assist with payroll setup and documentation
• Coordinate with external accountants for tax preparation and reporting

Office Operations & Leadership

• Provide direct administrative support to executive leadership
• Supervise one Administrative Assistant and guide workflow
• Oversee daily office operations, including vendor management, office supplies, and billing
• Ensure office systems and processes run smoothly

Administrative & Team Support

• Create professional reports, presentations, and documents using Microsoft Office and Adobe Acrobat Pro
• Maintain organized digital and physical filing systems
• Assist with HR administration, onboarding, and office safety programs
• Support company LinkedIn and social media presence for recruiting and marketing
• Plan and coordinate team meetings, events, and celebrations

Required Skills & Experience

• 5 years of bookkeeping, office management, or senior administrative experience
• Experience supporting executives or senior leadership
• Strong understanding of accounting principles and financial recordkeeping
• Ability to manage multiple priorities in a fast-paced environment
• Hands-on experience with: QuickBooks Pro, BigTime, Adobe Acrobat Pro, Microsoft Office Suite (Word, Excel, Outlook, PowerPoint, Teams)
• Exceptional organization, accuracy, and attention to detail

Why You’ll Love This Role

• Meaningful work supporting environmental impact initiatives
• Small, collaborative, and mission-driven team
• Opportunities to expand your role as the company grows
• Competitive Houston market-based salary, PTO, and benefits
• Positive, fun culture with team events and celebrations

Work Location: In person