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Mainframe Modernization

Modernize mainframes to unlock the power of legacy systems

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Execute successful transformations with our mainframe modernization framework

DXC Mainframe Modernization empowers enterprises to transform legacy systems into agile, future-ready assets. DXC is one of the world's largest independent mainframe services providers, and our mainframe modernization methodology includes proven transformation processes that enable you to gain the benefits of enhanced business agility, scalability and cost-efficiency. Mainframes remain indispensable in numerous sectors, upholding crucial applications. With DXC, you will successfully extract optimal value from these assets while revitalizing your IT infrastructures and adopting cloud solutions. Our mainframe modernization capability ensures you will be able to easily adapt to evolving business needs, providing long-term value and sustainability.

What's included

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Mainframe expertise

DXC brings decades of deep experience with mainframe services and solutions, ensuring you will realize maximum value from your modernization.
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Customized deployments

Tailored mainframe modernization strategies align with your business objectives.
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Cloud-native architecture

Deploy new architectures to eliminate expensive on-premises infrastructure maintenance and better adapt to market conditions.
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Modern technology integration

Bring AI, machine learning and automation to your architecture to optimize performance and drive innovation in modernized mainframe environments.

DXC Mainframe Modernization Features

Many companies struggle with finding replacements for their mainframe-proficient, aging workforce. DXC fills the gap, with 5,600 dedicated mainframe professionals. Our talent boasts an average tenure of 19+ years, and our teams have the deep knowledge necessary to move your modernization projects forward with agility.

DXC’s commitment to your success doesn't end after the modernization process is completed. We operate 49 mainframe data centers globally and provide continuous support and maintenance services —  including proactive monitoring, incident management, performance optimization and regular updates. This will ensure the smooth operation of your modernized mainframe environment, allowing you to focus on strategic initiatives without worrying about IT disruptions.

DXC’s exclusive technology converts mainframe and AS/400 languages to Java, at 50% lower cost.

Organizations can streamline their software development and IT operations processes and create a holistic approach to IT management that maximizes efficiency, reliability and innovation capabilites. 

Read American Airlines and DXC: Mainstreaming the mainframe for modernization

 

Over 1 million MIPS
under management
200+ mainframe migrations
370,000 MIPS
140 IBM z/Series mainframe platforms
under management

Who can benefit

Consider DXC Mainframe Modernization if:

  • You are burdened by high operational costs and limited agility that negatively impact business growth in the digital age.
  • Your role in an increasingly competitive industry — such as traditional financial services, where fintechs, tech giants and even retailers are staking claims — requires you to more quickly adapt to market changes. DXC reduced the online transaction response time for a leading Spanish bank by over 50%, which sped up customer transactions, leading to greater customer satisfaction and loyalty. 
  • You are employed in a government, healthcare or public sector organization and face technology challenges to efficiently support essential services — such as social security payments and hospital patient records management — for your critical populations. 
  • You are challenged to integrate mainframe data with modern systems for better operational insight and decision making. By integrating mainframe data with modern systems, DXC helped a multinational automotive manufacturer improve operational efficiency, and increased supply chain visibility while improving the customer experience.

Why DXC

Leading businesses choose DXC for our global partner ecosystem, ability to transform legacy systems into agile, future-ready assets and relentless focus on delivering value fast. Here's what you can expect when you work with us:

End-to-end services

As one of the world's largest independent mainframe services providers, DXC has unparalleled expertise in transforming and optimizing mainframe environments.  

Leading market know-how

DXC consultants and engineers not only navigate intricate decisions but also actively engage with you to rapidly build and deliver value as your reliable partner in the mainframe services landscape.

High mainframe modernization success rate

DXC’s unwavering commitment to managing and transforming mission-critical infrastructure and applications is evidenced by our 99.5% success rate.

DXC Technology was named a Leader in the ISG Provider Lens™ 2025 quadrant report for Mainframe Services and Solutions.

DXC Technology was named a Leader and Star Performer in the Everest Group Mainframe Services PEAK Matrix® Assessment 2024.

Partnerships

DXC delivers Mainframe Modernization alongside leading partners.

AWS logo, Mainframe Modernization | DXC Technology
Modernize, accelerate migrations and create cloud value with DXC and AWS.
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Innovate at scale with an agile, secure cloud platform.
IBM logo, Mainframe Modernization | DXC Technology
Modernize, unify and secure your hybrid and multicloud environments with DXC and IBM.
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Modernize for tangible cloud, workplace and application business results with DXC and Microsoft.
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Harness open source solutions at scale to modernize and transform applications.
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Modernizing your mainframe?

 

Taking the right approach to modernizing your mainframe means optimizing existing investments to ensure the best use of on-premises and cloud environments, including both private and public clouds, to achieve your business objectives. 

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Commonly asked questions about Mainframe Modernization

The duration of the modernization process depends on various factors, including the size and complexity of your legacy system, the chosen modernization approach and your specific business requirements. Our team will work closely with you to develop a detailed timeline and ensure timely completion of the project.

Our goal is to minimize disruptions and ensure a seamless transition to modern architectures. We employ carefully planned migration strategies, conduct thorough testing and provide ongoing support to mitigate any potential disruptions and ensure a smooth modernization experience.

 

While mainframe modernization offers numerous benefits, it does come with inherent risks such as data loss, system downtime and compatibility issues. However, with DXC's expertise and proven methodologies, we lower these risks and deliver successful mainframe modernization projects.

We’ve been able to achieve significant cost savings for our customers.

DXC has:

  • delivered a 40%+ operating cost reduction by migrating legacy VantageOne software to AWS for a leading U.S. based insurance company.
  • helped the world’s largest airline reduce its infrastructure total cost of ownership by 30% through automated refactoring of legacy applications.
  • lowered the total cost of mainframe ownership by 30% for a multinational automotive manufacturer through a multi-year infrastructure outsourcing agreement to modernize, transform and manage their legacy IT infrastructure.  

 

Have more questions? Meet with one of our experts to learn more.

FIND OUT HOW DXC CAN HELP YOU

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DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world’s most complex technology estates. Learn more on dxc.com.

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