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Mainframe System Administrator Jobs in Florida (NOW HIRING)

Pasco County, FL

Administrative Assistant

New Port Richey, FL · On-site

$22.78 - $31.89/hr

Knowledge of the County mainframe system. * Ability to read for comprehension. Minimum Requirements ... Mid-management/Professional grade, and management personnel may receive 40 hours of admin leave per ...

Pasco County, FL

Administrative Assistant

New Port Richey, FL · On-site

$22.78 - $31.89/hr

Knowledge of the County mainframe system. * Ability to read for comprehension. Minimum Requirements ... Mid-management/Professional grade, and management personnel may receive 40 hours of admin leave per ...

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Mainframe System Administrator information

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$7

$38

$50

How much do mainframe system administrator jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for mainframe system administrator in Florida is $38.21, according to ZipRecruiter salary data. Most workers in this role earn between $34.86 and $48.12 per hour, depending on experience, location, and employer.

What does a mainframe system administrator do?

A mainframe system administrator manages and maintains large-scale computer systems used by organizations for critical applications. They install, configure, monitor, and troubleshoot mainframe hardware and software, ensuring system security, performance, and availability. Proficiency in mainframe operating systems like z/OS and knowledge of automation tools are essential for the role.

Is a mainframe system administrator hard to learn?

Learning to become a mainframe system administrator can be challenging due to the complexity of mainframe environments, specialized tools, and command-line interfaces like TSO and JCL. It typically requires a strong understanding of operating systems, scripting, and often industry-specific knowledge, but with dedicated training and experience, it is achievable.

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

Mainframe System Administrators often face challenges such as maintaining system uptime, managing legacy systems alongside new technologies, and ensuring security compliance. These tasks require proactive monitoring, thorough documentation, and continuous learning to keep up with software updates and security patches. Collaborating closely with development and network teams is essential to quickly resolve issues and implement improvements. Building strong troubleshooting skills and staying updated with mainframe advancements can help administrators effectively manage these challenges.

What are the key skills and qualifications needed to thrive as a mainframe system administrator?

To thrive as a Mainframe System Administrator, you need expertise in mainframe operating systems (such as z/OS), system troubleshooting, performance tuning, and typically a degree in computer science or related field. Familiarity with tools like IBM z/OS, JCL, RACF, SDSF, and mainframe automation software, as well as relevant certifications (e.g., IBM Certified System Administrator), is commonly required. Strong analytical thinking, attention to detail, and effective communication skills help navigate complex environments and coordinate with teams. These skills ensure reliable system uptime, rapid issue resolution, and secure, efficient operations critical to enterprise business continuity.

What is the difference between Mainframe System Administrator vs Network Administrator?

AspectMainframe System AdministratorNetwork Administrator
CertificationsIBM Certified System Administrator, Linux certificationsCompTIA Network+, Cisco CCNA
Work EnvironmentMainframe data centers, large enterprise ITCorporate offices, data centers, network operation centers
Industry UsageBanking, finance, governmentTelecommunications, IT services, corporate networks
Job FocusMaintaining mainframe hardware/software, ensuring system availabilityManaging network infrastructure, troubleshooting connectivity issues

The Mainframe System Administrator and Network Administrator roles share some certifications and work environments but differ in their primary focus. Mainframe System Administrators specialize in maintaining large-scale mainframe systems crucial for enterprise operations, while Network Administrators focus on managing and troubleshooting network infrastructure. Both roles are vital in enterprise IT but serve distinct functions within organizations.

What are popular job titles related to Mainframe System Administrator jobs in Florida? For Mainframe System Administrator jobs in Florida, the most frequently searched job titles are:
What job categories do people searching Mainframe System Administrator jobs in Florida look for? The top searched job categories for Mainframe System Administrator jobs in Florida are:
Mainframe System Administrator jobs near you
Infographic showing various Mainframe System Administrator job openings in Florida as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $79,479 per year, or $38.2 per hour.

Mainframe z/OS & IBM LCM Administrator

Ruri Software Technologies LLC

Tallahassee, FL • On-site

Full-time

Re-posted 6 days ago

Job description

Job Title :Mainframe z/OS & IBM LCM Administrator
Location :Remote
What are the top 3 skills required for this role?
1. IBM LCM
2. z/OS System Programming / Administration
3. Mainframe JES3 ,Operations & Incident Management
Job Description/ Responsibilities
o Administer Rocket Life Cycle Manager (LCM) across multiple environments (DEV, TEST, PROD)
o Configure lifecycle processes, workflows, and approval mechanisms
o Maintain application hierarchies, systems, and library structures
o Manage versioning of components and maintain baselines
o Support rollback/backout to previous stable versions
o Create, manage, and promote change packages as deployable units
o Work with security team to implement role based access controls
o Support production migrations, release failures, and package issues
o Excellent understanding of System z architecture
o Excellent experience with IBM z/OS operating system
o Experience in building Mainframe LPAR and OS Upgrades
o Installation of patches and fixes
o System parameters/parmlib maintenance
o Knowledge of managing JES3 subsystem.
o Managing incidents on z/OS related issues
o z/OS performance monitoring and reporting
Years of Experience: 14.00 Years of Experience

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