Mainframe Migration Specialist, Google Cloud
Company: Google
Location: Austin
Posted on: April 2, 2026
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Job Description:
Minimum qualifications: Bachelor’s degree in Computer Science, a
related technical field, or equivalent practical experience. 5
years of experience with z/OS or midrange (AS/400) environments,
including COBOL, JCL, CICS, DB2, VSAM, or Assembler. 5 years of
experience delivering migrations to a cloud provider. Experience
with automated conversion tools (e.g., Cloud G4/mainframe refactor,
blu age, or mLogica). Experience in modern target languages,
specifically Java, Go, or Python. Experience building or using AI
Agents and LLM-based frameworks to automate software engineering
tasks. Preferred qualifications: Experience implementing CI/CD
pipelines for modernized mainframe applications using Jenkins,
GitLab, or Cloud Build. Experience in high-fidelity testing and
validation strategies, including data synchronization between
DB2/IMS and Cloud SQL/Spanner. Ability to analyze complex legacy
systems and provide decisive technical leadership in high-pressure
environments. About the job As a Mainframe Migration Specialist at
Google Cloud, you will be at the forefront of the industry’s most
complex digital transformations. You won't just be advising, you
will be leading the delivery of end-to-end migration projects that
move mission-critical workloads from legacy mainframe environments
to Google Cloud Platform (GCP). In this role, you operate as a
player-coach. You will architect the solution, directly with the
code, and leverage Google’s cutting-edge agentic AI frameworks to
automate the refactoring and reimagination of legacy applications.
You will be the technical lead for a pod of engineers, ensuring
that delivery timelines are met while maintaining the highest
standards of system reliability and performance. Google Cloud
accelerates every organization’s ability to digitally transform its
business and industry. We deliver enterprise-grade solutions that
leverage Google’s cutting-edge technology, and tools that help
developers build more sustainably. Customers in more than 200
countries and territories turn to Google Cloud as their trusted
partner to enable growth and solve their most critical business
problems. The US base salary range for this full-time position is
$153,000-$222,000 bonus equity benefits. Our salary ranges are
determined by role, level, and location. Within the range,
individual pay is determined by work location and additional
factors, including job-related skills, experience, and relevant
education or training. Your recruiter can share more about the
specific salary range for your preferred location during the hiring
process. Please note that the compensation details listed in US
role postings reflect the base salary only, and do not include
bonus, equity, or benefits. Learn more about benefits at Google .
Responsibilities Own the execution of mainframe-to-Google Cloud
platform (GCP) migration projects, from initial assessment and
discovery, proof of concepts and to final cutover and hypercare.
Actively perform code refactoring, data migration, and application
modernization. You will lead patterns including rehosting
(emulation), re-platforming, and refactoring using automated tool
sets. Implement and optimize Agentic AI workflows to accelerate
legacy code analysis and transformation. You will use Google
Gemini-powered tools to automate documentation, test case
generation, and legacy languages to cloud native architectures.
Direct the activities of other engineers and vendor partners.
Perform deep-dive code reviews and architecture audits to ensure
functional consistency between legacy and modern systems. Design
and implement risk mitigation using a combination of tooling and
planning.
Keywords: Google, Austin , Mainframe Migration Specialist, Google Cloud, IT / Software / Systems , Austin, Texas
