Senior Mainframe Developer Jobs in Elgin, IL (NOW HIRING)

CAPGEMINI SERVICE SAS
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Location
Hybrid in Chicago, Dallas, Atlanta, NY, Nashville
Your role
Role Overview
Senior technical and strategic role responsible for leading large-scale mainframe modernization and cloud migration initiatives on Google Cloud Platform (Google Cloud Platform). Requires deep expertise in both legacy mainframe technologies and modern cloud architectures.
Key Responsibilities
* Lead enterprise-scale mainframe modernization and migration programs to Google Cloud Platform
* Advise executive stakeholders (VPs, steering committees) on cloud transformation strategies and roadmaps
* Assess and modernize legacy systems built on: COBOL, PL/I
* CICS, IMS
* DB2, VSAM
* JCL, batch workloads
* Design migration strategies: Re-host (Lift & Shift)
* Re-platform
* Re-factor
* Architect Google Cloud Platform Dual Run solutions for parallel testing, validation, and risk-free cutovers
* Design event-driven integrations using: Pub/Sub
* APIs
* BigQuery
* Cloud Storage
* GKE
* Develop end-to-end Google Cloud Platform architecture including: Applications
* Data
* Networking
* Security
* Governance
* Disaster Recovery
* Define data migration strategies, including: Change Data Capture (CDC)
* Reconciliation and rollback
* Performance optimization
* Drive automation, DevOps, CI/CD, and Agentic AI adoption
* Support production cutovers, troubleshooting, and post-migration stabilization
Required Skills
* Mainframe modernization expertise
* Google Cloud Platform architecture and services
* Cloud migration strategies (re-host, re-platform, re-factor)
* Event-driven and hybrid architectures
* Security, IAM, compliance, and governance
* DevOps, CI/CD, and automation
Experience
* 12+ years in enterprise application/platform architecture
* 6+ years in mainframe modernization or legacy transformation
* Proven experience leading enterprise-scale mainframe-to-cloud migration programs
Ideal Candidate
A highly experienced architect with deep expertise in mainframe systems, Google Cloud Platform, cloud migration, and automation, capable of leading end-to-end modernization programs from strategy and design to production deployment and stabilization while effectively managing senior stakeholders.
The base compensation range for this role in the posted location is $ 88,544 to $207,401
Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.
The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.
These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.
It is not typical for candidates to be hired at or near the top of the posted compensation range.
In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.
Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:
Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
Life and disability insurance
Employee assistance programs
Other benefits as provided by local policy and eligibility
Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini s discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.
Disclaimers
Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.
This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.
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Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.