Legal Counsel

About DayOne

Behind every app, every AI tool, every connected experience, there is a data center. DayOne builds them. In Japan, we build them to the standard this market demands. DayOne is developing an 80MW hyperscale campus at Fuchu Intelligent Park, 30 kilometres west of central Tokyo, set to be among the largest IT capacity deployments in the city when it opens in 2028. Backed by US US$4.5B+ in Series C funding and operating across seven countries, our entry into Japan is a long-term commitment built on precision and reliability.

Why DayOne

At DayOne Japan, technical excellence is the foundation everything is built on. You will work on infrastructure held to the highest standards of precision and reliability, with a clear path for development: structured training, meaningful scope, and career progression that is earned and respected. We are building here for the long term and growing the people who will carry that forward.

Role Overview

This role will support Senior Legal Counsel, who currently oversees legal matters for the Japan business, across a range of corporate, transactional, and commercial legal matters. The role offers exposure to high-profile data center M&A, real estate, and commercial transactions, working under the guidance and oversight of senior legal counsel.

Responsibilities

• Provide legal support and assistance on various legal matters relevant to the daily operations of the business

• Support corporate matters relating to Japan business and entities, including resolutions, corporate seals, and approvals

• Support legal due diligence for M&A transactions, joint ventures, and strategic investments, including document review and data room management, with exposure to data center assets, real estate holdings, and telecommunications infrastructure

• Assist with the structuring and negotiation of share purchase agreements, joint venture agreements, asset acquisitions, and strategic partnership arrangements, under the guidance of senior counsel

• Support real estate legal matters including site acquisitions, ground leases, build-to-suit agreements, and property development contracts for mission-critical infrastructure

• Assist with drafting, reviewing, and negotiating commercial agreements including data center services agreements, colocation contracts, power purchase agreements, interconnection agreements, and SLAs with enterprise clients and hyperscale operators

• Support tracking and coordination of zoning, permitting, environmental compliance, and land use matters for data center developments

• Assist in coordinating relationships with external counsel across multiple jurisdictions, supporting cost-effective and strategic legal support

What We Are Looking For

Requirements

• Law degree from an accredited university, or qualified to practice law in Japan

• Qualifications or experience practicing in other jurisdictions is a plus

• At least 2-3 years of experience in a major Japanese or international law firm

• Exposure to data center, telecommunications, or technology infrastructure sectors preferred

• Native-level Japanese and business-level English or above

• Strong command of MS Office software applications (e.g., Word, Excel, and PowerPoint)

• Experience at a startup or fast-paced multinational company a plus

• Strong drafting skills and attention to detail