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Mainframe System Engineer Jobs in Arizona (NOW HIRING)

Neshent Technologies

CICS System Programmer

Gilbert, AZ · On-site

$54.75 - $69.75/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

Neshent Technologies

$54.50 - $69.50/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

Neshent Technologies

CICS System Programmer

Scottsdale, AZ · On-site

$55.50 - $70.50/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

Neshent Technologies

CICS System Programmer

Bapchule, AZ

$54.25 - $69.25/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

Neshent Technologies

CICS System Programmer

Higley, AZ

$53.75 - $68.25/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

Neshent Technologies

CICS System Programmer

Goodyear, AZ · On-site

$53.75 - $68.50/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

Neshent Technologies

$55.50 - $70.75/hr

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS ... Required Qualifications * 5+ years of experience working in IBM z/OS mainframe environments.

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Mainframe System Engineer information

What is a mainframe system engineer?

A Mainframe System Engineer is an IT professional responsible for the installation, configuration, maintenance, and optimization of mainframe computer systems. These engineers ensure that mainframes—powerful computers used by large organizations for critical applications—run efficiently, securely, and reliably. Their duties often include managing system software, troubleshooting hardware or software issues, applying patches, and supporting upgrades. They also work closely with other IT teams to ensure the mainframe integrates seamlessly with other business systems and meets organizational needs.

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

To thrive as a Mainframe System Engineer, you need expertise in mainframe operating systems (such as z/OS), programming languages (like COBOL, JCL, and Assembler), and a bachelor's degree in computer science or a related field. Familiarity with mainframe management tools (e.g., IBM z/OS tools, ISPF, SDSF), performance monitoring systems, and relevant certifications such as IBM Certified System Programmer are highly valued. Strong problem-solving abilities, attention to detail, and effective communication skills set outstanding engineers apart. These competencies are crucial to ensure the stability, security, and efficiency of critical enterprise computing environments.

What are some of the common challenges mainframe system engineers face when integrating legacy systems with modern technologies?

Mainframe System Engineers often encounter challenges when integrating legacy mainframe systems with newer technologies, such as ensuring compatibility between old and new platforms, managing data migration without disrupting business operations, and maintaining system security. Additionally, they must balance the need to support existing business processes with the push for innovation, often requiring in-depth troubleshooting and collaboration with software developers and IT teams. Staying updated on both legacy and emerging technologies is crucial for successfully navigating these integration projects.

What is the difference between Mainframe System Engineer vs Mainframe Developer?

AspectMainframe System EngineerMainframe Developer
Primary RoleMaintains and supports mainframe systems, ensuring stability and performanceDesigns, codes, and tests mainframe applications and software
CertificationsIBM certifications, OS/390, z/OS certificationsProgramming language certifications (COBOL, PL/I), software development certifications
Work EnvironmentData centers, IT infrastructure teams, mainframe environmentsDevelopment teams, software labs, project-based settings
Employer & Industry UsageFinancial institutions, government agencies, large enterprisesFinancial services, insurance, retail, and other sectors using mainframe apps

While Mainframe System Engineers focus on maintaining and supporting mainframe systems, Mainframe Developers are responsible for creating and modifying mainframe applications. Both roles often collaborate but serve different functions within mainframe environments.

Are mainframe system engineers in demand?

Mainframe system engineers are in steady demand due to the continued reliance of large organizations on mainframe systems for critical operations. They require specialized skills in mainframe hardware, operating systems, and programming languages like COBOL, with certifications often enhancing job prospects. The role remains essential in industries such as finance, government, and healthcare.

What cities in Arizona are hiring for Mainframe System Engineer jobs?

Cities in Arizona with the most Mainframe System Engineer job openings:

Mainframe System Engineer jobs near you

CICS System Programmer

Gilbert, AZ • On-site

Neshent Technologies
11 - 50 employees
Learn more about Neshent Technologiesexternal

$54.75 - $69.75/hr

Full-time

Posted 15 days ago

Job description

We are seeking a CICS System Programmer to administer, support, and optimize enterprise IBM CICS environments. This role focuses on CICS platform stability, availability, performance, configuration, and system-level troubleshooting, rather than application development.

Roles and Responsibilities
  • Ensure CICS production and test regions are stable, available, and operating efficiently.
  • Monitor system health, performance, and capacity, and proactively address availability risks.
  • Install, configure, maintain, upgrade, and patch CICS Transaction Server (CICS TS) environments.
  • Manage CICS regions, startup parameters (DFHSIT), resource definitions (RDO), and system configuration settings.
  • Perform CICS version migrations, upgrades, and PTF maintenance.
  • Monitor transaction performance, CPU utilization, storage usage, and system metrics.
  • Troubleshoot performance issues, abends, dumps, logs, and traces to identify root causes and implement fixes.
  • Provide production support and resolve complex CICS system-level incidents.
  • Work with security teams to manage secure access to CICS resources using RACF.
  • Support CICS integration with DB2, MQ, IMS, TCP/IP, and web services.
  • Support CICS environments operating across Sysplex and distributed environments.
  • Maintain accurate system documentation, configuration records, and operational procedures.
  • Follow established ITIL and change-management processes for system changes and production support.
Required Qualifications
  • 5+ years of experience working in IBM z/OS mainframe environments.
  • Strong hands-on experience with CICS Transaction Server (CICS TS).
  • Experience installing, configuring, maintaining, upgrading, and patching CICS.
  • Experience managing CICS regions, DFHSIT parameters, RDO resource definitions, and startup configurations.
  • Strong troubleshooting skills involving system dumps, logs, traces, abends, and performance issues.
  • Experience with CICS performance monitoring and tuning tools.
  • Strong understanding of mainframe system operations and infrastructure.
Preferred Qualifications
  • Experience supporting Sysplex environments.
  • Familiarity with monitoring tools such as OMEGAMON, MainView, or TMON.
  • Experience integrating CICS with DB2, MQ, IMS, TCP/IP, and distributed systems.
  • Knowledge of mainframe security and RACF.
  • Automation or scripting experience using REXX, Python, or Shell.
  • Experience supporting large-scale enterprise or financial services environments.

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