Senior Administrative Assistant

MK Search; Houston (TX); On-site; USD 60,000 - 80,000; Full time

Job summary

MK Search is seeking a Senior Administrative Assistant to support executive leadership in a fast-paced, professional environment in Houston. The role emphasizes calendar management, scheduling, and expense coordination, acting as the backbone of executive operations.

The ideal candidate is polished, discreet, and highly organized, able to manage competing priorities across multiple office locations. Strong communication and gatekeeping skills are essential.

Qualifications

• 7–10 years of administrative experience.
• Proven calendar management in fast-paced environments.
• Polished communicator with diplomacy.
• Highly organized with exceptional attention to detail.
• Experience supporting executives in multi-location offices.

Responsibilities

• Manage complex, high-volume calendars for executive leadership
• Coordinate meetings, appointments, and logistics across multiple locations
• Handle expense reporting with a high level of accuracy and timeliness
• Serve as a gatekeeper and liaison, maintaining professionalism in all interactions
• Prioritize and adjust schedules in real time based on shifting business needs
• Support general administrative functions and day-to-day executive needs

Skills

Calendar management

Executive support

Communication

Organization

Discretion

Scheduling

Tools

MS Office

Job description

We are partnering with a growing organization that is seeking a Senior Administrative Assistant to support executive leadership within a fast-paced, professional environment. This role is ideal for someone who genuinely enjoys administrative work, thrives on organization, and takes pride in being the backbone of executive operations.

This individual will provide high-level administrative support with a strong emphasis on calendar management, scheduling, and expense coordination. The role requires someone who is polished, firm yet diplomatic, and able to manage competing priorities with confidence and discretion. Flexibility to support across multiple office locations in Houston is essential.

Key Responsibilities:

• Manage complex, high-volume calendars for executive leadership
• Coordinate meetings, appointments, and logistics across multiple locations
• Handle expense reporting with a high level of accuracy and timeliness
• Serve as a gatekeeper and liaison, maintaining professionalism in all interactions
• Prioritize and adjust schedules in real time based on shifting business needs
• Support general administrative functions and day-to-day executive needs

Qualifications:

• 7–10 years of administrative experience
• Proven tenure and stability in previous roles
• Strong calendar management expertise in fast-paced environments
• Confident communicator who can be both firm and diplomatic
• Highly organized with exceptional attention to detail
• Passion for administrative work — someone who enjoys and values this career path