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Contract Principal Mainframe Modernization Architect Jobs

Accenture

Mainframe Specialist

Houston, TX · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Seattle, WA

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Cleveland, OH · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Scottsdale, AZ · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Miami, FL · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Denver, CO · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Philadelphia, PA · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Hartford, OH · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Pittsburgh, PA · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Cincinnati, OH

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Boston, MA

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Los Angeles, CA · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

San Diego, CA · On-site

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Sacramento, CA

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

New York, NY

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

Accenture

Mainframe Specialist

Chicago, IL

$70K - $196K/yr

Lead the design, development, and modernization of mainframe applications, enforcing best practices and architectural standards. * Evaluate legacy systems and propose actionable modernization ...

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How much do contract principal mainframe modernization architect jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for contract principal mainframe modernization architect in the United States is $60.22, according to ZipRecruiter salary data. Most workers in this role earn between $59.38 and $68.99 per hour, depending on experience, location, and employer.
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US Application Architect - Application Modernization

Donato Technologies, Inc

Dallas, TX • On-site

$80/hr

Contractor

Re-posted 2 days ago

Job description

Description:
  • Architect role for a modernization program rehosting legacy mainframe applications to UniKix.
  • Responsible for defining testing strategy, evaluating and adopting tools, enabling reverse engineering, executing POCs, and ensuring quality, performance, and functional equivalence of migrated applications.
  • The role works closely with client application SMEs, testing teams, and migration teams.
Project description:
  • Define end‑to‑end testing scope by identifying in‑scope application components (batch jobs, online transactions, screens) and required testing types (system, integration, regression, performance, comparison).
  • Analyze and document internal/external dependencies and data inflow/outflow in source and target (UniKix) environments, including integrations with distributed systems, MQ, and other mainframe systems.
  • Identify, evaluate, and recommend tools and accelerators for:
  • Baseline, comparison, and regression testing
  • Reverse engineering of legacy applications
  • Performance and load testing across mainframe and Unix environments.

Required skills:

  • Strong experience with mainframe technologies: COBOL, JCL, CICS, DB2, VSAM.
  • Working knowledge of UniKix or similar mainframe rehosting platforms.
  • Experience in mainframe modernization/rehosting programs.
  • Expertise in testing strategy, regression/comparison testing, performance testing, and reverse engineering.
  • Familiarity with Unix/Linux and distributed systems.
  • Proven experience leading POCs, tool evaluations, and client demos.
  • Strong documentation, analytical, and stakeholder management skills.

Nice to have skills:

  • Rehosting (Mainframe to UniKix)


The Application Architect Application Modernization is responsible for designing and guiding the transformation of legacy systems into modern, scalable, and cloud-native architectures.
This role combines deep technical expertise with strategic vision to ensure that applications are restructured, replatformed, or refactored to align with current business needs and future growth.
Key Responsibilities:

  • Lead the end-to-end architecture of modernization initiatives across cloud platforms (AWS, Azure, IBM Cloud, Google Cloud).
  • Design microservices, APIs, data models, and integration patterns that support modular, scalable, and maintainable applications.
  • Define containerization and orchestration strategies using Docker and Kubernetes.
  • Architect secure, resilient, and compliant systems with a focus on cloud-native security and governance.
  • Collaborate with development, DevOps, and infrastructure teams to implement CI/CD pipelines and automation frameworks.
  • Guide the adoption of generative AI technologies (Watson, Azure OpenAI, Bedrock, Vertex AI) into modernized applications.
  • Develop modernization roadmaps using methodologies like AMM (Application Modernization Method) and tools such as ICA (IBM Cloud Automation).
  • Ensure robust testing governance and performance optimization throughout the modernization lifecycle.
  • Provide architectural oversight for data migration, legacy system integration (e.g., RPG, AIX, Mainframe Z), and hybrid cloud deployments.

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.