Principal Portfolio & Growth Strategy Manager

T-Mobile•Bellevue, WA

About The Position

This role coordinates and manages processes and communications to ensure consistency across a broad product portfolio. It leads cross-functional programs and projects focused on efficiency, reliability, and sustainability within the portfolio. The role gathers and analyzes data to create reports and visualizations that communicate key insights to stakeholders. Success is measured by effective portfolio management, timely communication, and support for decision-making across business and technical teams. The work impacts organizational alignment and supports leadership in maintaining portfolio value and delivery status.

Requirements

Bachelor's Degree and and 7 years of related work experience OR a combination of education and experience deemed equivalent (Required)
Budget Management (Required)
Collaboration (Required)
Design Thinking ( Required)
Executive Leadership (Required)
Portfolio Management (Required)
Project Management (Required)
Prototyping ( Required)
Strategic Planning ( Required)
User experience ( Required)
User Research ( Required)
At least 18 years of age
Legally authorized to work in the United States

Nice To Haves

Acceptable areas of study include Marketing, Business, CS, or related field (Preferred)
7-10 years of Experience in managing, assessing, or working in some facet of the project life cycle. ( Preferred)
7-10 years of experience managing portfolios, analyzing performance, and delivering against financial and resource constraints. (Preferred)
7-10 years of experience as a leader and mentor for project teams in a matrixed environment.(Preferred)
7-10 years of experience managing multiple cross-functional projects with many stakeholders and varying levels of management.

Responsibilities

Own end-to-end product portfolio management to deliver value and maintain alignment with business objectives.
Maintain strong relationships with leadership and cross-functional teams to support portfolio coordination and communication.
Oversee portfolio delivery by partnering with managers to provide status updates and escalate risks related to resources and schedules.
Conduct regular reviews with senior leaders and stakeholders to drive decisions and update on portfolio delivery and value realization.
Provide guidance on portfolio intake, documentation, prioritization, resource allocation, funding, and business realization processes.
Also responsible for other duties/projects as assigned by business management as needed.