Sr Assistant, Executive

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

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees!

This is not a remote position. T-Mobile is a hybrid work environment requiring work in the office three (3) days per week. The successful candidate will be located in the greater Seattle, Washington area.

Job Overview

This role provides high-level administrative support to senior executives to enhance operational efficiency and strategic coordination. It handles executive schedules, coordinates complex initiatives, and supports cross-functional collaboration within the organization. The role requires digital fluency, independent judgment, and the ability to mentor junior administrative staff. Success is measured by optimized executive time, timely completion of deliverables, and improved administrative processes. The work impacts organizational effectiveness and supports leadership in achieving business objectives and stakeholder engagement.

Job 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

Required Education

• 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

Preferred Work Experience

• 7-10 years Executive administrative experience supporting SVPs or equivalent in large organizations

Required Knowledge, Skills and Abilities

• Budget Management
• Communication
• Diplomacy
• Event Management
• Executive Presence
• Mentorship
• Microsoft Office
• Project Tracking
• Taking Initiative

#LI-Corporate

• At least 18 years of age
• Legally authorized to work in the United States

Travel

Travel Required (Yes/No): No

DOT Regulated

DOT Regulated Position (Yes/No): No

Safety Sensitive Position (Yes/No): No

Total Target Cash Earnings Opportunity: $72,552 - $130,874National Base Pay Range: $31.71 - $57.20

The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive opportunity. Actual earnings may be higher or lower depending on individual performance and overall company results.

The base pay range reflects the compensation component of this opportunity. The candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. To find the pay range for this role based on hiring location, click here.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Corporate employees are eligible for a year-end bonus based on individual and/or company performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. The incentive component included in the Total Target Cash Earnings Opportunity reflects target performance. Actual earnings included in the Total Target Cash Earnings Opportunity reflect target performance; actual payouts may vary.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.

Never stop growing!As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, genetic information, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing [e-mail] or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.