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The Amazon Web Services Professional Services (ProServe) team is seeking an experienced Delivery Consultant — Mainframe Modernisation to join our team. In this role, you'll work closely with enterprise customers to assess, design, and deliver mainframe migration and modernisation solutions on AWS. You'll be a key player in driving customer success through complex legacy transformation journeys, providing deep technical expertise in mainframe technologies and modern cloud-native architectures throughout the project lifecycle.
Possessing a strong understanding of mainframe platforms (z/OS, COBOL, JCL, CICS, DB2, IMS) alongside AWS products and services, you will be proficient in architecting modernisation pathways — whether replatforming, refactoring, or re-engineering — tailored to meet the specific needs of each customer. You'll work closely with stakeholders to assess existing mainframe estates, evaluate application portfolios, and propose effective modernisation strategies that reduce technical debt, lower operational cost, and accelerate innovation on AWS.
As a trusted advisor to our customers, you will provide guidance on mainframe-to-cloud migration patterns, emerging technologies such as agentic AI and generative AI for code transformation, and industry-proven modernisation approaches. You will be responsible for leading the implementation process, ensuring adherence to best practices, optimising performance, managing risk, and enabling customer teams to operate independently post-migration.
The AWS Professional Services organisation is a global team of experts that help customers realise their desired business outcomes when using the AWS Cloud. We work together with customer teams and the AWS Partner Network (APN) to execute enterprise cloud computing initiatives. Our team provides assistance through a collection of offerings which help customers achieve specific outcomes related to enterprise cloud adoption. We also deliver focused guidance through our global specialty practices, which cover a variety of solutions, technologies, and industries.
Key job responsibilities
Key job responsibilities
As an experienced mainframe modernisation professional, you will be responsible for:
-Leading the assessment and discovery of customer mainframe estates, including application portfolio analysis, dependency mapping, and modernisation readiness evaluation
-Designing and implementing modernisation solutions on AWS — including replatforming, refactoring to cloud-native services, and automated code transformation approaches
-Providing deep technical guidance on mainframe technologies (COBOL, PL/I, JCL, CICS, IMS, DB2, VSAM) and their AWS equivalents throughout project delivery
-Collaborating with customer architects, development teams, and business stakeholders to define migration waves, prioritise workloads, and manage cutover risk
-Acting as a trusted advisor to customers on mainframe modernisation trends, including AI-assisted code transformation, automated testing strategies, and incremental migration patterns
-Sharing knowledge within the organisation through mentoring, training, and creating reusable artifacts such as modernisation playbooks, assessment frameworks, and reference architectures
A day in the life
AWS Professional Services includes experts from across AWS who help our customers design, build, operate, and secure their cloud environments. Customers innovate with AWS Professional Services, upskill with AWS Training and Certification, optimize with AWS Support and Managed Services, and meet objectives with AWS Security Assurance Services. Our expertise and emerging technologies include AWS Partners, AWS Sovereign Cloud, AWS International Product, and the Generative AI Innovation Center. You’ll join a diverse team of technical experts in dozens of countries who help customers achieve more with the AWS cloud.
About the team
Diverse Experiences - AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job below, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.
Why AWS? - Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
Inclusive Team Culture - Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness.
Mentorship & Career Growth - We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.
Work/Life Balance - We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.