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Mainframe Administration Jobs in Florida (NOW HIRING)

InterSources Inc

Network Engineer

Tallahassee, FL · On-site

Required : • CCIE, CCNP, or CCNA (Required) • Bachelor's degree in business administration ... Mainframe Emulation Tools; Knowledge of PC based software; • Strong knowledge of Local Area ...

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Mainframe Administration information

What are the key skills and qualifications needed to thrive as a mainframe administrator, and why are they important?

To thrive as a Mainframe Administrator, you need a solid understanding of mainframe operating systems (such as z/OS), system configuration, and troubleshooting, typically supported by a degree in computer science or related IT experience. Familiarity with tools like IBM System Automation, JCL, RACF, and monitoring solutions, as well as certifications such as IBM Certified System Administrator, is highly valued. Strong analytical thinking, attention to detail, and effective communication skills help administrators efficiently resolve issues and collaborate with IT teams. These skills and qualifications are essential to ensure the reliability, security, and optimal performance of critical enterprise computing environments.

What are some common challenges faced by mainframe administrators and how can they be addressed?

Mainframe Administrators often encounter challenges such as managing legacy systems, ensuring system uptime, and balancing security with accessibility. Keeping up with evolving technologies and integrating mainframes with modern applications can require continuous learning and adaptation. Effective communication with development and operations teams is vital to ensure seamless updates and minimize downtime. Proactively monitoring system performance and applying best practices for disaster recovery can also help mitigate risks and maintain reliability.

What is the difference between Mainframe Administration vs Mainframe Support?

AspectMainframe AdministrationMainframe Support
CertificationsIBM Certified System Administrator, z/OS certificationsSimilar certifications, often including z/OS support certifications
Work EnvironmentData centers, enterprise IT departments managing mainframe systemsHelp desks, support teams assisting users and troubleshooting issues
ResponsibilitiesSystem setup, configuration, maintenance, performance tuningIssue resolution, user support, incident management
Industry UsageFinancial institutions, government agencies, large corporationsSame industries, focusing on user support and problem resolution

Mainframe Administration involves managing and maintaining mainframe systems, ensuring optimal performance and security. Mainframe Support focuses on assisting users, troubleshooting issues, and resolving incidents. Both roles require similar certifications and are vital in industries relying on mainframe technology, but they differ in daily responsibilities and focus areas.

What is mainframe administration?

Mainframe Administration involves managing and maintaining mainframe computer systems, which are powerful servers used by large organizations for critical applications and bulk data processing. Mainframe Administrators are responsible for installing, configuring, monitoring, and securing mainframe hardware and software. They ensure system performance, troubleshoot technical issues, handle backup and recovery, and apply updates or patches to keep systems running smoothly and securely. This role often requires strong technical skills, attention to detail, and the ability to work with legacy systems.
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What job categories do people searching Mainframe Administration jobs in Florida look for? The top searched job categories for Mainframe Administration jobs in Florida are:
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Mainframe Administration jobs near you
Infographic showing various Mainframe Administration job openings in Florida as of July 2026, with employment types broken down into 1% As Needed, 87% Full Time, 9% Part Time, 1% Temporary, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

Analyst I, Systems Operations

Intercontinental Exchange Holdings, Inc.

Jacksonville, FL • On-site

Full-time

Posted 2 days ago

New

Job description

Overview

Job Purpose

As an Automation Engineer within the Service Reliability department at Intercontinental Exchange (NYSE: ICE), you will play a critical role in enhancing the reliability and efficiency of our mainframe. Your primary focus will be on developing and maintaining automation tools and solutions that meet our high standards for customer service and incident reduction. You will collaborate closely with the operations and support teams to implement automation changes, troubleshoot issues, and drive continuous improvement projects related to our mainframe. Your expertise will help ensure the stability and performance of our infrastructure, enabling our customers to manage risk and make informed decisions globally.

Responsibilities

  • Develop and Maintain Tools: Build, deliver, and maintain tools and solutions for our operations platforms to meet customer service standards and reduce incidents.

  • Troubleshooting: Actively troubleshoot issues during validation and production phases.

  • Process Optimization: Update existing processes and design new ones to optimize performance.

  • Customer Collaboration: Work with internal customers to understand their infrastructure automation requirements.

  • Continuous Improvement: Participate in or lead continuous improvement projects driven by automation.

  • Team Collaboration: Collaborate with team members to enhance existing projects.

  • Quality Measurement: Create quality measurements to track project improvements.

  • Technical Analysis: Provide technical analysis, resolve problems, and propose solutions in a 24/7 production environment.

  • Documentation: Build and maintain both technical documentation and Standard Operating Procedures for break fix.

  • On-Call Rotation: Participate in an on-call rotation as needed.

  • Additional Duties: Perform any other activities as directed by management.

Knowledge and Experience

  • 3+ years of functional MVS systems experience, specifically related to Operating systems and a Sysplex environment.

  • Software Development: Prior experience with software development, infrastructure development, or operations.

  • JCL / JCLCheck: Proficiency in JCL and JCLCheck.

  • Broadcom ESP: Proficiency in Broadcom's ESP product.

  • Server Administration: Strong experience with general system administration (Linux/Unix) with a focus on IBM Mainframe.

  • IBM z/OS: Proficiency with TSO, LIBRARIAN and VSAM utilities.

  • Automation Frameworks: Experience in leveraging automation frameworks.

  • Agile Methods: Experience with Agile methods (Scrum/Kanban) for organizing project deliverables and tracking progress (Jira).

  • Version Control: Experience with Git and/or code repository services (SVN, CVS, BitBucket, GitHub, etc.).

Preferred Knowledge and Experience

  • Scheduling Tools: Experience with Broadcom ESP and general workload management tools for the IBM Mainframe.

  • Technical Operations: Experience in a Technical Operations role and/or Mainframe operations role.

----------Intercontinental Exchange, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to legally protected characteristics.Employment Type: FULL_TIME

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