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Mainframe System Administrator Jobs (NOW HIRING)

MDAEdge

Mainframe DB2 Administrator

Plano, TX · On-site

The role involves leading a team, managing system configurations, and providing technical guidance ... team of Mainframe professionals, including system programmers and administrators. • Provide ...

MDAEdge

Mainframe DB2 Administrator

Fort Worth, TX · On-site

MDAEdge is a company seeking a Mainframe DB2 Administrator with extensive experience in z/OS System Administration and related technologies. The role involves managing a team of Mainframe ...

Kyndryl

Mainframe CICS System Administrator

Phoenix, AZ · On-site +1

$61K - $146K/yr

The Role As a Mainframe CICS System Administrator at Kyndryl, you'll solve complex problems and identify potential future issues across the spectrum of platforms and services. You'll be at the ...

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Mainframe System Administrator information

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How much do mainframe system administrator jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for mainframe system administrator in the United States is $51.13, according to ZipRecruiter salary data. Most workers in this role earn between $46.63 and $64.42 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.

More about Mainframe System Administrator jobs
What states have the most Mainframe System Administrator jobs? States with the most job openings for Mainframe System Administrator jobs include:
What job categories do people searching Mainframe System Administrator jobs look for? The top searched job categories for Mainframe System Administrator jobs are:
Mainframe System Administrator jobs near you
Infographic showing various Mainframe System Administrator job openings in the United States 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 $106,357 per year, or $51.1 per hour.

Mainframe System Administrator

TecTammina

Trumbull, CT

Full-time

Re-posted 29 days ago

Job description

Company Description

Tech Tammina LLC

Job Description

Experience in z/OS & ISV administration

Experience in CICS administration in z/OS platform

Experience in MQ administration in z/OS platform

Installing & Configuration of z/OS systems

Performing System IPL and POR

Managing and Installing software products on z/OS systems using SMP/E (System Modification Program/Extended)

Installation, configuration and administration of day to day support of CICS transaction Server

Knowledge and experience with: z/OS, TSO/ISPF, Cobol, CICS, JCL in mainframe environment

Provide on-call 24/7 Incident Response to z/OS issues from production monitoring tools, Command Center personnel and Application Development Analysts

Coordination with application and infrastructure teams on software dependencies and timing of implementations

Open cases with vendors as necessary and apply PTFS as required to resolve issues

Qualifications

Experience in LPAR management

Manage mainframe storage & tape subsystems

Experience in TSO/ISPF, File Aid / File Manager, Expeditor/IBM Debugger and other MVS Utilities

Perform z/OS debugging and problem analysis, SVC dumps

Performance tuning, regularly review, evaluate RMF data

Review System Performance Reports with Scheduling, Adjust MSU's as Needed

Participate in Disaster Recovery Exercise

Additional Information

Job Status: Full Time 

Eligiblity: GC or US Citizens

Share the Profiles to mkonni(at)1stitsolutions.com

Contact: 703-349-1214

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