Mainframe Software Engineer I, COBOL

FIS; Jacksonville (FL); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Private medical cover

Dental cover

Travel insurance

Career development tools

Job summary

FIS is seeking a Mainframe Software Engineer in Jacksonville for a hybrid role. You will develop, enhance, and support critical card management and payment processing solutions on mainframe platforms using COBOL, z/OS, IMS, CICS, VSAM, DB2, and MQ Series.

Collaboration across teams and adherence to compliance and audit standards are essential. The role emphasizes design, testing, and maintenance across the full development lifecycle, with opportunities to modernize and optimize transaction

Qualifications

• COBOL Programming Fundamentals.(1 - 3 years experience)
• IBM z/OS Mainframe Knowledge.
• Foundational knowledgewith IMS DB/DC, CICS, VSAM, IMS, DB2, and MQ Series.
• Knowledge of software development lifecycle practices, testing methodologies, and change management processes.
• Strong analytical, troubleshooting, and problem-solving capabilities.
• Excellent verbal and written communication skills with the ability to work effectively across teams.

Responsibilities

• Develop, enhance, andmaintainmainframe applications using COBOL and related technologies.
• Design and execute comprehensive unit tests tovalidateapplication functionality and performance.
• Collaborate with business, product, quality assurance, and engineering teams throughout the development lifecycle.
• Conduct peer code reviews and contribute to continuous improvement of development standards.
• Participate in technical design discussions, code walkthroughs, and solution reviews.
• Create and maintain technical documentation, test evidence, and change records to support audit and compliance requirements.

Skills

COBOL programming

z/OS mainframe

IMS DB/DC

CICS

DB2

MQ Series

Analytical skills

Communication

Tools

IBM z/OS Mainframe

IMS DB/DC

CICS

VSAM

DB2

MQ Series

Job description

Job Description

About FIS

Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun.

Current and future sponsorship are not available for this position

This role is hybrid for Jacksonville, Atlanta, & Milwaukee Only

About the team

You would be joining a teamthat is adynamic combination of internal and external members who work together through strong client engagement and collaboration. Bybringingtogether diverse expertiseand perspectives, the teamdeliversa cutting-edgeproduct designed to meet the evolving needs of our clients andtheircustomers.

What you will be doing

As a Mainframe Software Engineer, you will contribute to the development, enhancement, and support of critical card management and payment processing solutions. You will design, develop, test, andmaintainmainframe applications that support transaction processing, reconciliation, settlement, compliance, and modernization initiatives.

Success in this role requirescollaboration with cross-functional teams, and a commitment to delivering high-quality, secure, and reliable solutions. You will play a key role in regulatory compliance, product enhancements, production support, and continuous improvement efforts.

• Develop, enhance, andmaintainmainframe applications using COBOL and related technologies.
• Design and execute comprehensive unit tests tovalidateapplication functionality and performance.
• Collaborate with business, product, quality assurance, and engineering teams throughout the development lifecycle.
• Conduct peer code reviews and contribute to continuous improvement of development standards.
• Participate in technical design discussions, code walkthroughs, and solution reviews.
• Create and maintain technical documentation, test evidence, and change records to support audit and compliance requirements.

What you bring

• COBOL Programming Fundamentals.(1 - 3 years experience)
• IBM z/OS Mainframe Knowledge.
• Foundational knowledgewith IMS DB/DC, CICS, VSAM, IMS, DB2, and MQ Series.
• Knowledge of software development lifecycle practices, testing methodologies, and change management processes.
• Strong analytical, troubleshooting, and problem-solving capabilities.
• Excellent verbal and written communication skills with the ability to work effectively across teams.

Bonus if you have

• Knowledge of Agile or Scrum delivery methodologies.
• Experience within card payments, debit processing, or financial services domains.
• Exposure to payment processing, transaction management, reconciliation, or settlement systems.
• Familiarity with modernization initiatives, API integration, and legacy system transformation.
• Experience supporting compliance, security remediation, and vulnerability management programs.

What we offer you

• Attractive benefits including private medical cover, dental cover, and travel insurance.
• A variety of career development tools, resources and opportunities.
• The chance to work on some of the most challenging, relevant issues in financial services & technology.
• Greatworkspaceswith dedicated and motivated colleagues.
• A work environment built on collaboration, flexibility and respect.

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

EEOC Statement

FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here

For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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