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Mainframe Modernization Jobs in Chicago, IL (NOW HIRING)

Capgemini

Migration Architect (Mainframe to GCP)

Chicago, IL · On-site

$82K - $193K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Application modernization * Data migration * Automation & DevOps Key Responsibilities Architecture & Strategy * Define and lead target-state architectures for migrating legacy mainframe systems to ...

Accenture

Mainframe Specialist

Chicago, IL · On-site

$70K - $196K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

Infosys

Mainframe Modernization Program Lead

Chicago, IL · On-site

$101K - $132K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... mainframe applications and data to cloud platforms • Align modernization initiatives with enterprise architecture, cloud adoption frameworks, and business outcomes Preferred Skill and Experience ...

Virtusa Corporation

Architect (ATC)

Chicago, IL · On-site

Lead Mainframe Architect DevOps Modernization Role Description Seeking an experienced Lead Mainframe Architect with strong expertise in IBM Z DevOps and enterprise modernization. The role focuses on ...

Capgemini

z/OS Connect API Engineer

Chicago, IL · On-site

$73K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Modernization & Transformation * Support enterprise mainframe modernization initiatives. * Contribute to Shadow Service Migration and API enablement programs. * Promote API-first and cloud ...

Accenture

IBM Business Development Senior Manager

Chicago, IL · Hybrid

$132K - $302K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mainframe Reinvention and modernization using IBM Z and LinuxONE, including TCO modeling and business case development * Hybrid cloud and AI infrastructure using IBM Power and IBM Cloud.

Infosys Limited

Senior Mainframe Architect

Chicago, IL · On-site

$112.72 - $146.54/hr

  • Medical

  • Retirement

Define modernization strategies * Mainframes (Enterprise grade) - deep hands on and architectural expertise * COBOL,JCL,CICS,DB2,VSAM * Lead end to end architecture design for large scale ...

New

Infosys Limited Digital

Senior Mainframe Architect

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Required Skill and Experience • Experience working as a Mainframes Architect on large scale enterprise modernization programs. • Lead assessment of legacy mainframe applications, batch workloads ...

Infosys

Senior Mainframe Architect

Chicago, IL · On-site

$112K - $146K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Required Skill and Experience • Experience working as a Mainframes Architect on large scale enterprise modernization programs. • Lead assessment of legacy mainframe applications, batch workloads ...

Broadcom

Senior Mainframe DevOps Architect

Lisle, IL · On-site

$127K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the Role We are seeking a Senior Mainframe DevOps Architect to lead solution design and own ... Modernization & Migration Strategy: Architect migration paths from legacy or competitive products ...

Accenture

Google Sales Capture Senior Manager

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The solutions you will sell will be around application modernization, infrastructure modernization, mainframe modernization, cloud architecture modernization, and in a nutshell; enterprise ...

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Mainframe Modernization information

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How much do mainframe modernization jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for mainframe modernization in Chicago, IL is $54.99, according to ZipRecruiter salary data. Most workers in this role earn between $48.56 and $62.40 per hour, depending on experience, location, and employer.

What is mainframe modernization?

A Mainframe Modernization job involves updating, reengineering, or migrating legacy mainframe applications to modern platforms, technologies, or cloud environments. Professionals in this role assess existing mainframe systems, identify optimization opportunities, and implement strategies to enhance performance, scalability, and integration with modern IT architectures. They may use approaches like rehosting, refactoring, or replacing applications to reduce costs and improve agility. The job typically requires expertise in legacy systems (e.g., COBOL, DB2) and modern cloud or microservices architectures.

What are the typical responsibilities and daily tasks in a mainframe modernization role?

In a Mainframe Modernization role, you can expect to analyze and document legacy mainframe applications, design modernization strategies, and implement solutions that migrate or integrate these systems with newer technologies. Your days may involve collaborating with business analysts, developers, and project managers to prioritize features and minimize business disruption, as well as troubleshooting integration issues. Many professionals also monitor system performance post-migration and help train end-users on the new platforms. This position often requires balancing hands-on technical work with effective communication across diverse teams to ensure project success.

What are the key skills and qualifications needed to thrive in a mainframe modernization position?

To thrive in Mainframe Modernization, you need expertise in legacy mainframe systems, programming languages like COBOL, and modern software development methodologies, often backed by a degree in computer science or a related field. Knowledge of tools such as IBM z/OS, migration frameworks, cloud platforms (like AWS, Azure), and relevant certifications (e.g., AWS Certified Solutions Architect) is highly valuable. Strong analytical thinking, problem-solving ability, and effective communication skills help you succeed in cross-functional environments. These skills are crucial for executing system upgrades, ensuring minimal downtime, and facilitating smooth transitions to modern technology platforms.

Is mainframe modernization still in demand?

Mainframe modernization remains in demand as organizations seek to update legacy systems for improved efficiency, security, and integration with modern technologies. Professionals with skills in mainframe environments, such as COBOL, JCL, and modernization tools, are valued for helping businesses transition to cloud and distributed architectures.

What are the most commonly searched types of Mainframe Modernization jobs in Chicago, IL?

The most popular types of Mainframe Modernization jobs in Chicago, IL are:

What are popular job titles related to Mainframe Modernization jobs in Chicago, IL?

For Mainframe Modernization jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching Mainframe Modernization jobs in Chicago, IL look for?

The top searched job categories for Mainframe Modernization jobs in Chicago, IL are:

Mainframe Modernization jobs near you
Infographic showing various Mainframe Modernization job openings in Chicago, IL as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 81% Physical, 7% Hybrid, and 12% Remote job distribution, with an average salary of $114,373 per year, or $55 per hour.

Custody API & Mainframe Modernization Specialist

Beta Search

Chicago, IL • On-site

$140 - $190/hr

Other

Posted 12 days ago

Job description

Overview

The company is supporting a strategic modernization initiative for one of the world's leading global custodians. The program's objective is to stabilize and modernize a legacy custody accounting platform while preparing for its eventual migration to Finbourne.

We are seeking aCustody API & Mainframe Modernization Specialistwho combines deep experience with legacy IBM mainframe technologies and modern API architecture. This individual will play a critical role in exposing legacy custody functionality through secure, scalable services while preserving business functionality throughout the modernization journey.

This consultant will become part of the initial anchor team responsible for establishing the foundation of a multi-year transformation program.

Responsibilities
  • Design API strategies that expose legacy custody accounting functionality.
  • Develop integration approaches between IBM mainframe applications and modern cloud architectures.
  • Analyze existing COBOL, CICS, DB2, VSAM, and batch processing workflows to identify modernization opportunities.
  • Partner with architecture, infrastructure, and business teams to define service-based integration patterns.
  • Support incremental modernization while minimizing operational risk.
  • Design secure RESTful APIs and event-driven services.
  • Participate in application decomposition and modernization planning.
  • Produce technical documentation and integration standards.
  • Support production implementations and issue resolution.
  • Mentor development teams on legacy modernization best practices.
Required Qualifications
  • 10+ years of financial services technology experience.
  • Strong experience supporting IBM Mainframe environments.
  • Experience with COBOL, CICS, JCL, DB2, VSAM, and batch processing.
  • Experience designing enterprise APIs.
  • Experience integrating legacy platforms with distributed applications.
  • Strong understanding of custody or securities processing platforms.
  • Excellent communication and consulting skills.
Preferred Qualifications
  • Securities Services experience
  • Asset Servicing or Custody Accounting systems
  • IBM MQ
  • Kafka or event streaming
  • Finbourne platform exposure
  • Azure or AWS
  • Microservices architecture
  • DevSecOps practices
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