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Mainframe Software Engineer Senior or Above

FIS
United States, Georgia, Columbus
Feb 16, 2026

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Job Description

Position is only open to work in the Columbus, GA office. Candidates must live locally in the area to be considered. Candidates in Columbus will work a Hybrid work model of 2-3 days in office.

At this time, we are unable to offer visa sponsorship for this position. Candidates must be legally authorized to work for any employer in the United States (or applicable country) on a full-time basis without the need for current or future immigration sponsorship.

Summary of This Role
Works throughout the software development life cycle and performs in a utility capacity to create, design, code, debug, maintain, test, implement and validate applications with a broad understanding of a variety of languages and architectures. Analyzes existing applications or formulate logic for new applications, procedures, flowcharting, coding and debugging programs. Maintains and utilizes application and programming documents in the development of code. Recommends changes in development, maintenance and system standards. Creates appropriate deliverables and develops application implementation plans throughout the life cycle in a flexible development environment.

What Part Will You Play?

  • Demonstrates subject matter expertise (SME) to develop complex code using both front and/or back end programming languages within multiple platforms as needed in collaboration with business and technology teams for internal and external client software solutions. Designs, creates, delivers, and advises others on complex program specifications for code development and support on multiple projects/issues with a wide understanding of the application / database to better align interactions and technologies.

  • Provides SME analysis, modification, and development of complex code / unit testing in order to develop concise application documentation. Evaluates, develops and implements testing, validation requirements, and corrective measures for highly complex code deficiencies and provides systemic proposals.

  • Participates in client facing meetings, joint venture discussions, vendor partnership teams to determine solution approaches.

  • Provides SME recommendations to leadership on the design, development and enforcement of business / infrastructure application standards to include associated controls, procedures and monitoring to ensure compliance and accuracy of data. Applies a full and comprehensive understanding and in-depth knowledge of procedures, methodology and application standards to include Payment Card Industry (PCI) security compliance.

  • Provides SME advice for estimates on highly complex initiatives, projects and issues.

  • Performs on-the-job training and provides SME guidance to software engineers.

What Are We Looking For in This Role?
Minimum Qualifications

  • BS in Computer Science, Information Technology, Business / Management Information Systems or related field

  • Typically minimum of 4+ years - Professional Experience In Coding, Designing, Developing And Analyzing Data. Typically has a broad and comprehensive advanced knowledge of multiple opposing front / back end languages / technologies from the following but not limited to: two or more modern programming languages used in the enterprise, experience working with various APIs, external Services, experience with both relational and NoSQL Databases.

  • Cobol, IMS, & DB2 (Required)

Preferred Qualifications

  • BS in Computer Science, Information Technology, Business / Management Information Systems or related field

  • 4+ years professional Experience In Coding, Designing, Developing And Analyzing Data and experience with IBM Rational Tools

  • TS2 Experience is Highly preferred

What Are Our Desired Skills and Capabilities?

Skills / Knowledge - Having broad expertise or unique knowledge, uses skills to contribute to development of company objectives and principles and to achieve goals in creative and effective ways. Barriers to entry such as technical committee review may exist at this level.

Job Complexity - Works on significant and unique issues where analysis of situations or data requires an evaluation of intangibles. Exercises independent judgment in methods, techniques and evaluation criteria for obtaining results. Creates formal networks involving coordination among groups.

Supervision - Acts independently to determine methods and procedures on new or special assignments. May supervise the activities of others.

Operating Systems:

Linux distributions including one or more for the following: Ubuntu, CentOS/RHEL, Amazon Linux

Microsoft Windows

z/OS

Tandem/HP-Nonstop

Database - Design, familiarity with DDL and DML for one or more of the following databases Oracle, MySQL, MS SQL Server, IMS, DB2, HadoopBack-end technologies - Java, Python, .NET, Ruby, Mainframe COBOL, Mainframe AssemblerFront-end technologies - HTML, JavaScript, jQuery, CICS

"The position listed in this requisition is ineligible for the referral bonus award program"

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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