IBM Mainframe Lead Developer

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Location

This is an on-site role based in Nashville, TN and Columbus, OH

About the job you're considering

We are looking for a Senior Developer – IBM z/OS Connect to lead modernization initiatives by exposing core mainframe assets as secure, high‑performance RESTful APIs using IBM z/OS Connect Enterprise Edition. This role plays a critical part in bridging traditional z/OS environments with modern API and cloud integration strategies.

The position is highly visible across business units where you will partner with architects, engineering teams, and distributed systems teams to drive API-first modernization and hybrid integration approaches across the enterprise. As a Senior Developer, you will anticipate technical challenges, implement robust API solutions, enforce security and governance, and balance business requirements with system performance and scalability while navigating complex mainframe environments.

Your Role

. At least 7 years of design, develop, and deploy RESTful APIs using IBM z/OS Connect Enterprise Edition. . Integrate APIs with backend systems including CICS, IMS, DB2, and COBOL-based applications. . Implement and enforce API security and governance standards using RACF, TLS, and enterprise IAM solutions. . Ensure high performance, availability, reliability, and compliance of mainframe APIs. . Collaborate with cross-functional teams to modernize legacy applications through API enablement and hybrid cloud integration. . Support DevOps practices and CI/CD pipelines for mainframe API development and deployment. . Promote API-first architecture and modern integration practices within mainframe and distributed teams. . Participate in technical design discussions, architecture reviews, and solution planning. . Troubleshoot and resolve technical issues, performance bottlenecks, and integration challenges. . Provide technical leadership, mentorship, and guidance to junior developers and team members. . Act as a key contributor to enterprise modernization and digital transformation initiatives.

Your skills and experience

. 7+ years of experience in z/OS mainframe development with strong expertise in COBOL, CICS, IMS, and DB2. . 3+ years of hands-on experience with IBM z/OS Connect Enterprise Edition and RESTful API design and development. . Strong understanding of API design principles, microservices architecture, and integration patterns. . Experience implementing security models using RACF, TLS, and enterprise identity and access management solutions. . Familiarity with DevOps practices, CI/CD pipelines, and automation in mainframe environments. . Experience working with API gateways and enterprise integration platforms. . Exposure to cloud and hybrid integration architectures. . Strong understanding of system performance tuning, reliability, and scalability considerations. . Experience with tools such as Jira, Confluence, and version control systems. . Ability to translate complex technical requirements into scalable API-based solutions. . Strong problem-solving and analytical skills with attention to detail. . Excellent communication and collaboration skills across cross-functional teams. . Experience in regulated industries and adherence to compliance standards is preferred. . Relevant IBM certifications in z/OS Connect, API development, or mainframe technologies are a plus. . Demonstrated ability to lead initiatives, mentor teams, and drive modernization efforts in a mainframe environment.

#LI-SD1

The base compensation range for this role in the posted location is $73,150 to $174,000

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.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States. http//www.capgemini.com/resources/equal-employment-opportunity-is-the-law

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.