Site Reliability Engineer (Mainframe)

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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 are ready to start learning, growing, and making an impact with a career in fintech, we encourage you to apply.

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:

You will play a key role in modernizing critical applications with a focus on improving observability, automation, and resiliency. You'll work across both Mainframe technologies (COBOL, RPG) and modern server-based environments (Java, Angular, .NET), giving you a unique opportunity to operate at the intersection of legacy systems and contemporary microservices.This is a great opportunity to drive engineering improvements that directly enhance production support operations. This role is with our IBS Core Banking team.

What you will be doing:

• Automation: Identify automation opportunities and implement tools and processes that streamline routine tasks, enable scalable infrastructure, and support seamless deployments.

• Reliability: Ensure the reliability, availability, and performance of applications and services. Develop and track new service level indicators to support SLO and SLA compliance.

• Monitoring: Design and maintain monitoring and alerting solutions that improve visibility into infrastructure, application performance, and user experience.

• Capacity/Performance: Conduct capacity planning, performance tuning, and resource optimization in partnership with development and operations teams.

• Documentation: Create and maintain clear documentation and knowledge base articles to promote knowledge sharing.

• Disaster Recovery: Recommend and implement improvements to disaster recovery plans, backup strategies, and failover mechanisms.

• Incident Response:

  • Lead incident response as a subject matter expert, including identification, triage, resolution, and post-incident analysis.

  • Identify and drive improvements in reliability, performance, and efficiency through data and root cause analysis.

  • Participate in an on-call rotation to support critical production incidents. You'll join a globally distributed team that provides 24/7 coverage, ensuring fast triage, coordinated response, and seamless resolution of high priority issues.

• Application Enhancement: Partner with development, QA, DevOps, and product teams to influence design and drive application resiliency improvements.

• Continuous Learning:Continue your skill development progress through product training and technical training with Pluralsight across multiple technologies.

What you will need:

• Education:Bachelor's degree in computer science, Information Systems, Engineering, or equivalent job experience.

• 4+ years of hands-on experience in software development.

Required Technical Skills

Mainframe Technologies (Required): COBOL, RPG, JCL, CICS, SQL, CL, DDS, DDL, JES.
Modern Languages & Frameworks: Java, C#, Python, JavaScript, Spring Boot, Hibernate, JDBC, Angular, Oracle PL/SQL.
Automation & IaC: Python/Bash/PowerShell scripting, Terraform, Ansible, Jenkins, GitHub, Bitbucket, ServiceNow, Jira, Azure DevOps.
Monitoring Tools (Preferred): Splunk, Dynatrace, Resolve, Nobl9, JMeter, Zabbix.

• Automation & Tooling (Required)

  • Develop automation scripts (Python, Bash, PowerShell)

    • Preferred - Infrastructure as Code (Terraform, Ansible), and manage containerization (Docker, Kubernetes).

  • Apply automation and integration scripting across tools, including Jenkins, GitHub, Bitbucket, NUnit, Watir, Checkmarx, ServiceNow, Jira, and Azure DevOps.

• Monitoring (Preferred)

  • Familiarity with Application Performance Monitoring (APM) and Real User Monitoring (RUM) tools.

  • Hands-on experience with monitoring solutions such as Splunk, Dynatrace, Resolve, Nobl9, JMeter, and Zabbix for dashboards, alerting, and performance analysis.

• Scripting (Required)

  • Strong proficiency in scripting languages (Python, Bash) and related automation frameworks.

• Tooling & Platforms (Required)

  • Experience with Jira, ServiceNow, Jenkins, and Docker.

  • Proficiency in modern application architectures (web, API), cloud platforms (AWS, Azure, Google Cloud), and IaC practices (Terraform, Ansible).

• Development Tools (Preferred)

  • Experience with development environments and tools including V7.4, Eclipse, Visual Studio, Azure DevOps, MDCMS, Git, and Microsoft Office tools such as Visio, RDi, X Analysis, Hawkeye, and CheckMarx.

Preferred Characteristics

• Problem-Solving:A strong desire to troubleshoot complex technical issues and a hunger to maintain and grow existing skills.

• Strong communication and collaboration skills.

• Commitment to continuous learning, adaptability, and operational excellence

• Demonstrates judgment, flexibility, and solutions-oriented mindset.

• Take ownership of engineering and product outcomes.

• Action-oriented self-starter with strong execution skills.

• Excellent interpersonal, negotiation, and influencing skills.

• Penchant for excellence, intellectual curiosity, and continuous improvement.

• Quickly establishes credibility with colleagues and partners.

• Embodies and delivers the firm's values: Win as one team, Lead with integrity, Be the change.

Added bonus if you have:

• Experience supporting large-scale, client-facing enterprise systems

• Strong troubleshooting skills, including participation in incident management and postmortem processes.

• Solid understanding of Linux and Windows operating systems.

• Familiarity with SDLC, Agile/Scrum, and bimonthly production release cycles

• Exposure to mainframe environments (AS/400, z/OS) or willingness to learn

• Knowledge of FinTech, payments, or banking systems including API design and third-party integration.

• Knowledge of FIS products/services and the broader Financial Services Industry.

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).

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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