Company:
Atify K.K. (on behalf of a leading Japan-based global enterprise)
Location:
Tokyo - Hybrid
Work Hours:
9:00–18:00 JST (standard daytime schedule)
Contract:
Full-time,
renewable 3-month rolling contract
Language:
Japanese (business level, required)
; English
OK via translation tools
Position Summary
We are hiring on behalf of a major Japan-based global enterprise recognized for its large-scale digital platforms and consumer services.
This Oracle DBA role focuses on
database migrations and environment transitions
in mission-critical
Exadata
and
Oracle RAC
landscapes. Unlike BAU/alerts handling roles, this position is
project-centric
—owning
migration planning, execution, validation, cutover, and optimization
.
Work mode is
hybrid
: primarily remote, with
periodic Tokyo office presence during critical migration activities
.
Responsibilities
- Plan, coordinate, and
execute Oracle database migrations
(12c & 19c). - Support
migration testing/validation
and
cutover
processes. - Collaborate with
global stakeholders
to align schedules and manage risks. - Optimize and document
migration procedures for repeatability & reliability. - Provide
hands-on
technical support across
RAC
and
Linux
during transitions. - Produce
detailed migration reports
and communicate status to stakeholders.
Requirements
Must-Have
- 3+ years
as an
Oracle DBA
. - Strong, hands-on
Oracle RAC (12c/19c)
expertise. - Solid
Linux administration
experience. - Proven
database migration
project experience. - Strong
reporting & documentation
skills. - Business-level Japanese
(required).
Nice-to-Have
- Familiarity with
Exadata
platforms. - Experience in
large-scale enterprise
migration programs.
Ideal Candidate Profile
- Fluent in
Japanese
for stakeholder coordination; able to use
English with translation tools
when needed. - Structured and
detail-oriented
in planning/execution. - Reliable and flexible
to attend the Tokyo office during key milestones. - Proactive
in anticipating migration risks and ensuring smooth transitions.
Work Mode & Hours
- Hybrid:
remote +
Tokyo office as needed
(especially for cutovers and critical phases). - Standard hours:
9:00–18:00 JST
.
Contract Terms
- Start date:
December 1, 2025 - Type:
Renewable every 3 months
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