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Senior Mainframe Developer Jobs in Arizona (NOW HIRING)

Forhyre

Unisys Mainframe Developer

Phoenix, AZ

$48.75 - $62.50/hr

We are looking for a Senior Mainframes Developer to work on mainframe software application development. In a dynamic, fast paced environment the IBM zTPF operating system is the central hub for all ...

Themesoft, Inc.

Mainframe Developer

Chandler, AZ · On-site

$48.25 - $62/hr

Client is seeking three identical Senior Specialty Systems Operations Engineers to join a Mainframe Production Support team supporting critical applications in a highly specialized, non-standard ...

Atos

APPLICATION DEVELOPER

Phoenix, AZ

Mainframe Developer Location: Phoenix, Arizona Position Type: Full Time - Experienced Senior Mainframe Engineer with strong hands-on expertise in designing, developing, and supporting complex, large ...

Atos

APPLICATION DEVELOPER

Phoenix, AZ · On-site

Mainframe Developer Location: Phoenix, Arizona Position Type: Full Time - • Experienced Senior Mainframe Engineer with strong hands-on expertise in designing, developing, and supporting complex ...

TriOptus LLC

Mainframe Engineer

Chandler, AZ · On-site

$50 - $64.25/hr

Client is seeking three identical Senior Specialty Systems Operations Engineers to join a Mainframe Production Support team supporting critical applications in a highly specialized, non-standard ...

USAA

Mainframe CICS Systems Programmer Senior

Phoenix, AZ · On-site +1

$54.50 - $69.50/hr

The Opportunity USAA Mainframe Infrastructure team is looking for Senior level Mainframe CICS ... Developer Support: Providing technical support to application development teams, which includes ...

Accenture

Mainframe Specialist

Scottsdale, AZ · On-site

$70K - $196K/yr

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ...

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How much do senior mainframe developer jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for senior mainframe developer in Arizona is $53.73, according to ZipRecruiter salary data. Most workers in this role earn between $50.38 and $58.70 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Mainframe Developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by Senior Mainframe Developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are Senior Mainframe Developers?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
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Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Arizona as of July 2026, with employment types broken down into 86% Full Time, 3% Part Time, 1% Temporary, and 10% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $111,748 per year, or $53.7 per hour.

Senior Mainframe Infrastructure Application Developer

Resource Innovative Technologies LLC

Chandler, AZ • On-site

$50 - $64.25/hr

Other

Posted 6 days ago

Job description

Role: Senior Mainframe Infrastructure Application Developer / Full Stack Mainframe Infrastructure Mainframe Engineer.

Location: Chandler, AZ

Experience: 10+ Years

Technical Skills:

Mainframe Z/Os: COBOL, DB2, JCL, VSAM, CICS, Assembler, Working on multiple mainframe LPARs, Mainframe security(Access Management, ATTLS, etc)

Web Development: Java, DB2 Stored Procedure, Web Development (Angular/REACT.js, Springboot), Server management, Oracle DBaaS

Additional Skills: Agile, JIRA, Version Control, ServiceNOW, Scheduling Tools ( CA7, TWS) 

Responsibilities:

- Develop new code for enhancements and new features.

- Performing problem tracking, diagnosis and root-cause analysis, troubleshooting, and resolution of complex issues.

- Analyze and observe trends with technical issues and develop long term improvements.

- Communicate status of issue resolution to internal customers.

- Work with external vendors when necessary

- Understand existing application in-depth and apply the knowledge for application support.

- Lead moderately complex projects and participate in more complex initiatives.

- Solve complex technical and operational problems.

-Compliance with internal risk reduction processes such as RISE / Vulnerability management

-Performing scheduling support via BAU change control process.

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