Senior Executive Assistant: Strategic Support & Mentorship

T-Mobile; Factoria (WA); Hybrid; USD 65,000 - 119,000; Full time

Job summary

T-Mobile USA, Inc. is seeking an Executive Administrative Support professional to assist senior leaders, manage calendars, and drive operational efficiency in a hybrid Seattle-area role.

The ideal candidate has 7–10 years of executive support experience, strong communication, budget awareness, and mentorship capabilities, plus proficiency with Microsoft Office and project tracking tools. This role offers robust benefits and career growth within a dynamic team.

Qualifications

• Bachelor's Degree plus 2 years of related work experience OR combination of education and experience deemed equivalent
• Acceptable areas of study include Business Administration, Communications or related field
• 7-10 years Executive administrative experience supporting SVPs or equivalent in large organizations

Responsibilities

• Coordinate executive calendars, meetings, and travel arrangements to optimize time and support strategic priorities
• Organize and maintain administrative systems, databases, correspondence, and project tracking tools to ensure accuracy and accessibility
• Collaborate with project teams to monitor milestones, prepare agendas, presentations, and meeting minutes to support timely deliverables
• Mentor and coach junior administrative staff to promote skill development and effective task delegation
• Support human resources activities including onboarding coordination and team engagement initiatives
• Handle executive communications, budget-related tasks, expense reports, and record management to maintain operational efficiency
• Also responsible for other duties/projects as assigned by business management as needed

Skills

Budget Management

Communication

Diplomacy

Event Management

Executive Presence

Mentorship

Microsoft Office

Project Tracking

Taking Initiative

Education

Bachelor's Degree + 2 years experience OR equivalent

Business Administration

Communications

Tools

Microsoft Office

Job description

T-Mobile USA, Inc. is seeking an Executive Administrative Support professional to assist senior leaders, manage calendars, and drive operational efficiency in a hybrid Seattle-area role.

The ideal candidate has 7–10 years of executive support experience, strong communication, budget awareness, and mentorship capabilities, plus proficiency with Microsoft Office and project tracking tools. This role offers robust benefits and career growth within a dynamic team.