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Site Reliability Engineer (Mainframe)

FIS

FIS

Software Engineering
Jacksonville, FL, USA · New York, NY, USA · Brown Deer, WI, USA
Posted on Feb 3, 2026

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Education Desired :

Bachelor of Computer Engineering

Job Description

We are FIS. Our technology powers the world’s economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re ready to start learning, growing and making an impact with a career in fintech, we’d like to know: Are you FIS?

NOTE: This position is hybrid (3 days onsite) at our FIS Office locations in Jacksonville (FL), New York City (NY) & Milwaukee (WI).


About the Role and Team:
We are seeking a Senior DevOps Engineer with a strong background in Mainframe and server development environments to design, implement, and grow our CI/CD pipelines. The ideal candidate will mentor and lead a team of junior CI/CD engineers in the establishment of a CICD Center of Excellence responsible for the transition of a legacy Release Management practice towards a state-of-the-art Release Management practice. This role will also be a key contributor in the establishment of a best of breed application containerization service. This role is with our Horizon team.



What you will be doing:

  • Design, build, and maintain CI/CD pipelines for a Mainframe (Cobol, RPG, CL, JCL) dominated DevOps practice with a growing number of server-based (Java, .NET) DevOps initiatives.

  • Integrate mainframe and server development workflows with modern DevOps toolchains (e.g., Jenkins, GitHub Actions, GitLab CI, Azure DevOps, etc.).

  • Consolidate and standardize multiple source control and release management workflow practices across existing development landscape including but not limited to Rocket Aldon, Bitbucket, Jenkins, GitHub, CXOne, Checkmarx, Artifactory, ServiceNow, and proprietary scripting.

  • Identify and implement automated end to end release management workflows.

  • Ensure security, compliance, and auditability in automated build and release processes.

  • Monitor and optimize pipeline performance, reliability, and scalability.

  • Provide mentorship and leadership to junior CICD engineers during the transformation of existing legacy DevOps practices towards modern Software Development Life Cycle. Trains and Tracks skill development and completion of responsibilities assigned to Junior DevOps engineers.

  • Developing or executing project plans, schedules, problem solving and reporting on both progress and constraints towards projective objectives.

  • Completes documentation related to CICD solution design, Steady State WLI, and support requirements.

  • Experienced identifying and implementation automation and integration scripting using Jenkins, GitHub suite, Bitbucket, NUnit, Watir, Checkmarx, ServiceNow, Jira, and Azure DevOps Technologies and services.

  • Optimization & Governance: Drive continuous improvement, establish standards, implement monitoring/alerting (Splunk, Dynatrace), and manage security & compliance.


What you will need:

  • 10+ years of experience in DevOps engineering, including CI/CD pipeline development and automation.

  • 2+ years working directly with Mainframe systems (IBM iSeries, z/OS, AS/400, etc.).

  • Experience identifying and implementation automation and integration scripting using Jenkins, GitHub suite, Bitbucket, NUnit, Watir, Checkmarx, ServiceNow, Jira, and Azure DevOps Technologies and services.

  • Experience integrating modern version control (e.g., Git) with mainframe SCM tools (IBM Endeavor, ISPW, Rational Developer for i/z, etc.).

  • Experience performing responsibilities of a Project and Program Manager.

  • Bachelor’s degree in Computer Science, Information Systems, or a related field (or equivalent experience).


Added bonus if you have:

  • Experience with IBM UrbanCode Deploy, z/OSMF, or Rocket Aldon.

  • Experience implementing automated testing on APM, Mainframe, and Server platforms.

  • Knowledge of Agile/Scrum methodologies orchestrated on Jira and working within CI/CD-driven teams.

  • Automation & Tooling: Develop automation scripts (Python, Bash, PowerShell), use Infrastructure as Code (Terraform, Ansible), and manage containerization (Docker, Kubernetes).

  • Experience identifying and implementation automation and integration scripting using Jenkins, GitHub suite, Bitbucket, NUnit, Watir, Checkmarx, ServiceNow, Jira, and Azure DevOps Technologies and services.

  • Preferred Tooling Experience: Jenkins, GitLab, GitHub, Splunk, Dynatrace, Bit bucket, Jira.


What we offer you:
A career at FIS is more than just a job. It’s the change to shape the future of fintech. At FIS, we offer you:

  • A voice in the future of fintech

  • Always-on learning and development

  • Collaborative work environment

  • Opportunities to give back

  • Competitive salary and benefits

NOTE: This position is hybrid (3 days onsite) at our FIS Office locations in Jacksonville (FL), New York City (NY) & Milwaukee (WI).

FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $119,560.00 - $200,840.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.

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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