Jobs in Tokyo
Tokyo is the heart of Japan's job market and home to its most international workplaces. Browse roles across every industry from global startups to established enterprises, many offering visa sponsorship and English-speaking environments.
630 open positions
Refine with filters →Director (Business Development/Government Relations)
iSpaceThis is a Director position overseeing business development, government relations, and lobbying activities for the Japan business in space missions, including lunar exploration. Based on technical understanding, you will lead the promotion of the Japan business strategy, support proposals, negotiations, and decision-making for important projects while collaborating with management, technical departments, and government agencies both domestically and internationally. We expect you to contribute to the success of missions and business growth in Japan and globally through the establishment of strategic relationships with both government and private sectors.
Business Development Engineer
iSpaceThis position involves the architectural design of transportation to the Moon and lunar surface development, as well as the creation of new business ventures. You will be responsible for some or all aspects of the architectural design for various projects, including future transportation to the Moon and lunar orbit, development of lunar infrastructure (power and communication), and services utilizing lunar orbit satellites. This includes lobbying and launching missions involving private companies and academia, not limited to space enterprises. Based in the Tokyo headquarters, this role focuses on mission design aimed at realizing hardware specifications that should be achieved in the future, rather than conceptual business plans, with the ultimate goal of bringing these into actual services. You will report directly to the Director of New Business Development and drive activities to realize these missions. Additionally, you will share responsibilities for ensuring the sustainability of these businesses, including improvements in spacecraft production, insurance strategies, and rocket strategies. You will be assigned tasks from the following duties based on discussions with you: New business development in lunar and lunar orbit: - Market research and corporate analysis - Business planning - Hardware architecture considerations - Public relations and lobbying to the government - Proposal planning to companies/government, project management, and regular reporting - Consortium formation - Preparation of bid proposals and order proposals - Project management after receiving orders (including negotiations with stakeholders) - Technical considerations for projects after receiving orders (mainly requirements specification formulation, compliance checks, vendor requirements specification creation) Support for improving existing businesses and supporting new businesses: - Insurance strategies - Rocket strategies (including communication with launch service providers) - Improvements in spacecraft production systems (mainly from the perspective of government and corporate collaboration).
Talent Acquisition Partner (Japanese requirement)
iSpaceThis position is responsible for one of the most critical functions supporting our business growth, which is recruitment. You will closely collaborate with mid- to long-term management strategies, business strategies, and organizational strategies, driving the design of recruitment strategies, acquiring critical talent, and enhancing and internalizing the recruitment process in a seamless manner. This position is not just about recruitment operations; we expect you to define the truly necessary talent for management and business, attract them from the market, and welcome them as a 'TA Partner.' The initial job title is not fixed, and we will flexibly consider roles and positions within the recruitment team based on your experience and abilities.
Organization Performance & Development Specialist
iSpaceispace is looking for the Organization Performance & Development Specialist to join our growing team in Tokyo. We are a Japan-based company expanding globally in the space industry—an industry with few precedents and no established playbooks. The Organization Performance & Development Specialist is responsible for building an environment where employees can learn, grow, and perform at their best, with Learning & Development as the core focus, complemented by Employee Support and Performance Coaching from the perspectives of dialogue, relationships, and engagement. This role is not about simply operating training programs or HR systems. Working closely with business, organizational, and corporate strategies, you will take end-to-end ownership of: Defining the talent and skills truly required for business growth in a specialized field Designing and deploying how those capabilities are developed and embedded within the organization Creating an environment where learning and meaningful dialogue occur naturally.
General Affairs Associate
iSpaceCurrently, ispace is seeking a highly capable and service-minded individual to serve as a General Affairs Associate, responsible for the Tokyo office and multiple domestic locations. The main roles include ensuring smooth operations at each location, supporting cross-departmental projects, and enhancing internal engagement through various initiatives and the establishment of related systems.
Senior Mission Operations Engineer (Test-focused)
iSpaceispace, inc. is looking for a Senior Mission Operations Engineer (test-focused) to join our growing team. The Mission Test and Operations team is the heart of mission execution, where we prove readiness on the ground before ever stepping on console. As a Senior Mission Operations Engineer, you will be the bridge between the worlds of system testing and real-time operations. In this role, you will drive a “Test-As-You-Fly” philosophy to ensure that our tests are truly representative of our operations. You will also have the opportunity to follow the mission lifecycle to touchdown by conducting the test campaign, leveraging the results to mitigate operational risk, and ultimately commanding those same procedures from the Mission Control Center as we transit to the Moon.
Senior Mission Operations Engineer (Operations focused)
iSpaceispace, inc is looking for a Senior Mission Operations Engineer to join our growing team. The Mission Test and Operations team is the heart of mission execution, where we prove readiness on the ground and then step on console to guide the spacecraft to the Moon. As a Senior Mission Operations Engineer, you will be responsible for operational preparations and will certify to sit on console as a Flight Director. In this role, you will have the opportunity to lead or support the operation of various activities such as orbital trajectory maneuvers, payload operations, the landing sequence, and surface operations. The job begins from the design phase of the mission lifecycle and ends at decommissioning and closeout. You will both prepare the products and crew for flight readiness and then execute that plan after separation from the launch vehicle. If you embody discipline, safety, quality, have a team-driven spirit, and would like to call the Mission Control Center home, then this is the moonshot for you.
Ground Systems engineer (SIL/PIL/HIL specialized)
iSpaceispace, inc. is looking for a Ground Systems engineer to join our growing team in Tokyo. The Ground Systems team forms the backbone of ispace’s Test and Flight Operations, responsible for designing, building, and maintaining the full infrastructure required to support mission testing and operations. This includes the Mission Control Center, Mission Control Software, operational tools, and the end-to-end test environments that enable mission readiness. As a Ground Systems Engineer, your work directly enables communication with the spacecraft and underpins every phase of mission test and execution. You play a pivotal role in ensuring that missions are conducted safely, reliably, and efficiently—designing and maintaining the infrastructure, software, and operational workflows that make real-time spacecraft operations possible. Your contributions not only ensure mission success, but also streamline operations and empower flight teams to perform at their best. As a Ground Systems Engineer specialized in Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL) platforms, you will design, develop, and maintain the simulation and validation environments used to test and verify the next generation of ispace spacecraft. You will play a critical role in enabling a “Test-As-You-Fly” philosophy, ensuring that ground infrastructure and spacecraft testbeds faithfully replicate real mission conditions, providing a realistic and representative environment for validation and operations.
Ground Systems engineer (Ground Operations)
iSpaceispace is looking for a Ground System Engineer to join our growing team in Tokyo. The Ground Systems team forms the backbone of ispace’s Test and Flight Operations, delivering the infrastructure, systems, and tools required to support mission testing and operational activities across the full mission lifecycle. This includes the design, development, and maintenance of the Mission Control Center, Mission Control Software, operational toolchains, and end-to-end test environments that ensure mission readiness. As a Ground Systems Engineer, you will be responsible for the design, development, and maintenance of Mission Control Software supporting ispace’s global operations. You will oversee the end-to-end data flow between users and the spacecraft, ensuring reliable, secure, and efficient handling of telemetry and telecommand data. This includes defining and implementing data encoding, processing, and encryption mechanisms across the ground segment and its interfaces.
Mechanical AIT Engineer
iSpaceispace, inc. is looking for a Mechanical AIT Engineer to join our growing production team. Join the Assembly, Integration & Testing (AIT) team and play a key role in the development, integration, verification, and testing of spacecraft systems. In this position, you will collaborate closely with design, systems, and manufacturing engineering teams to ensure spacecraft and payload hardware are designed, built, and tested to the highest quality standards. You will support assembly and test operations, manage verification activities, drive continuous improvement initiatives, and lead non-conformance resolution efforts to enhance product reliability and mission success. This role requires a hands-on engineer with strong technical judgment, a passion for aerospace hardware development, and the ability to contribute across the full spacecraft lifecycle—from design reviews and prototyping through integration, testing, and flight readiness. Reporting to the Mechanical AIT Team Lead, you will help establish and maintain best practices, processes, and standards that enable the successful delivery of complex space systems.