Senior Executive Assistant & Office Operations Partner

Submer - Datacenters That Make Sense; Houston (TX); On-site; USD 55,000 - 90,000; Full time

Benefits offered by this job

Hybrid-friendly environment

International diversity

Job summary

Submer is seeking an Executive Assistant in Houston to support two C-level executives and oversee day-to-day office operations, ensuring a professional, welcoming environment.

You will manage calendars, coordinate travel, prepare materials, and coordinate onboarding and events, while maintaining discretion with confidential information. This high-visibility role offers growth in a fast-paced, international setting.

Qualifications

• 5+ years of experience as an Executive Assistant, Office Manager, Executive Administrator, or similar role.
• Experience supporting C-level or senior leadership.
• Strong organizational and multitasking skills.
• Excellent verbal and written communication skills.
• Professional presence with exceptional customer service skills.
• Experience managing office operations and visitor engagement.
• Proficiency with Microsoft Office, Outlook, Teams, and common business applications.
• Ability to handle confidential information with discretion.
• Highly self-motivated and capable of working independently.

Responsibilities

• Provide dedicated support to two C-level executives.
• Manage complex calendars, scheduling, and meeting coordination.
• Coordinate domestic and international travel arrangements and expense reporting.
• Prepare presentations, meeting materials, and correspondence.
• Track action items and follow up to ensure timely completion.
• Manage confidential and sensitive business information with discretion.
• Serve as the primary point of contact for the Houston office.
• Welcome and host visitors, customers, candidates, and partners.
• Oversee front desk and reception activities.
• Coordinate office supplies, vendors, facilities requests, and general office operations.
• Plan and support team meetings, employee events, and office gatherings.
• Ensure conference rooms, common areas, and office facilities are maintained and guest-ready.
• Partner with HR on onboarding logistics, workspace preparation, and employee experience initiatives.
• Support document management, filing, and recordkeeping.
• Assist with invoice processing, purchase requests, and administrative reporting.
• Coordinate logistics for leadership meetings and company events.
• Improve administrative processes and implement organizational best practices.
• Ensure executive schedules run smoothly and efficiently.
• Create a seamless experience for visitors, employees, and business partners.
• Maintain a highly organized and professional office environment.
• Anticipate business needs and proactively solve problems.
• Improve operational efficiency through process improvements and strong administrative execution.
• Become a trusted partner to leadership and a go-to resource for the broader team.

Skills

Executive support

Office management

Calendar management

Travel coordination

Microsoft Office suite

Tools

Microsoft Office

Outlook

Teams

Job description

Submer is seeking an Executive Assistant in Houston to support two C-level executives and oversee day-to-day office operations, ensuring a professional, welcoming environment.

You will manage calendars, coordinate travel, prepare materials, and coordinate onboarding and events, while maintaining discretion with confidential information. This high-visibility role offers growth in a fast-paced, international setting.