Technical Account Manager

We are looking for a customer-oriented professional to own and grow a long‑term partnership with a strategic enterprise customer. You will be responsible for account strategy, customer relationships and account growth in close collaboration with delivery and product teams.

This position focuses on ownership of the account, developing the portfolio of projects/ products within this client, value realization, and expansion within an existing enterprise account, building executive‑level trust and ensuring long‑term continuity and growth.

Delivery execution is handled by dedicated project and delivery teams.

Responsibilities

• Own the long-term relationship with a strategic enterprise customer and act as the primary point of contact for all account topics.
• Lead account planning with key stakeholders, aligning their business goals with our solutions and roadmap.
• Identify new business needs and work on the expansion opportunities within the account
• Partner with delivery, product, and leadership teams to ensure smooth execution and high customer satisfaction
• Prepare and run regular executive reviews to discuss progress, risks, and next steps for the account

Requirements

• 5+ years in customer‑facing roles (Account Management, Customer Success, Consulting, similar client-facing positions) in IT, technology, telecom, or related fields, managing external enterprise customers
• Proven experience owning and growing key accounts: leading client meetings, coordinating with internal teams, and maintaining long‑term relationships
• Strong ability to communicate with both business and technical stakeholders in Japanese (native level) and English (business -communication level)
• Comfortable working in collaborative, matrixed environments with global delivery and product teams
• Experience in large, complex organizations (on the vendor or customer side) is a plus
• Native-level Japanese and fluent English

What They Offer

• Global Exposure & Cross‑Cultural Collaboration
• Scaling GenAI at Enterprise Level
• AI‑Native Experiences for the World’s Biggest Brands
• Shaping the Future of Telecom with Agentic Systems
• Stable position with an international organization
• Opportunity to work closely with a strategic enterprise customer
• Professional and collaborative work environment
• Long-term growth and development opportunities