Why Sony Interactive Entertainment?

Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.

Principal, Portfolio Strategy Manager 

San Diego, Los Angeles, San Mateo (Hybrid)

As Principal, Portfolio Strategy Manager, you will play a critical role in shaping how SIE translates strategy into actionable investment decisions across a global portfolio of Hardware, Software and Services. As a partner to teams and executives in Product Management, Engineering, Finance, Platform Business Office, Program Management and more, you will have to navigate and align competing priorities and perspectives. You will develop a comprehensive understanding of the portfolio, evolve and implement a data-informed portfolio management framework, and build trusted partnerships throughout the organization to help evaluate trade-offs and optimize portfolio balance and value. 

Responsibilities: 

• Gain a comprehensive understanding of the portfolio and its programs and develop deep insights to generate actionable recommendations 

• Ensure the portfolio reflects the right strategic investment mix and priorities to achieve business objectives 

• Standardize and improve performance measurement practices across the portfolio in partnership with data science & analytics teams 

• Provide stakeholders with actionable insights and trade-off recommendations to optimize resource allocation 

• Refine and lead execution of a value realization framework leveraging KPIs and ROI to assess programs and portfolio performance 

• Partner with cross-functional leaders to align priorities, resolve trade-offs, and enable executive decision-making through a structured process with clear ownership 

• Partner with the broader Portfolio and Program Management team to mature and scale portfolio management capabilities through frameworks, processes, and tools 

• Lead organizational change management to educate stakeholders and embed consistent portfolio practices that result in stronger accountability, faster execution, and better business outcomes 

Required skills and qualifications: 

• Bachelor's degree in science, economics or related field; advanced degree a plus 

• 12+ years of experience in portfolio management, finance, strategic planning or product management, within a technology-driven and/or customer-first environment 

• Experience in the gaming industry a plus 

• Proven success leading strategic planning for large-scale, complex, multi-billion-dollar portfolios 

• Strong understanding of portfolio management principles and practices 

• Creative problem-solver who thrives in ambiguity and creates clarity through structured thinking 

• Strong analytical mindset with the ability to balance data-driven rigor and strategic judgment  

• Track record of building and implementing effective performance measurement and value realization frameworks 

• Excellent communication and storytelling skills, with the ability to translate complexity into clear executive insights 

• Exceptional ability to influence and align senior stakeholders across diverse functions 

• Experience driving organizational transformation and change management 

 

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