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Senior Mainframe Developer Jobs in Texas (NOW HIRING)

Forhyre

Unisys Mainframe Developer

Dallas, TX · On-site

$48.50 - $62.25/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 ...

Nastech Global

Mainframe Senior engineer

Plano, TX · On-site

Mainframe Senior engineer with expertise on IBM SA & CA OPS/MVS Location: Plano, TX (onsite) Job Type: Full time Deep Knowledge in Mainframe System Automation tools i.e., IBM SA z/OS and CA OPS/MVS.

Estuate Inc.

Senior Mainframe lead

Dallas, TX

Senior Mainframe lead Location: Chicago, IL, Atlanta, GA, Dallas, TX, New York, NY, Bridgewater, NJ ... Bachelor's degree in Business, Computer Engineering, or related field (advanced degree preferred ...

Glow Networks

Java Developer with Mainframe

Dallas, TX

$56.75 - $72.50/hr

Role: Java Developer with Mainframe Location: Philadelphia, PA Bachelor's degree (or foreign equivalent) in Computer Science, Engineering, or a related technical field Define and develop test ...

Glow Networks

Java Developer with Mainframe

Dallas, TX · On-site

$53.75 - $68.50/hr

Role: Java Developer with Mainframe Location: Philadelphia, PA Bachelor's degree (or foreign equivalent) in Computer Science, Engineering, or a related technical field Define and develop test ...

USAA

Mainframe CICS Systems Programmer Senior

Plano, TX · On-site

$51.50 - $65.50/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 ...

USAA

Mainframe CICS Systems Programmer Senior

San Antonio, TX · On-site +1

$49.50 - $63.25/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 ...

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How much do senior mainframe developer jobs pay per hour?

As of Jun 15, 2026, the average hourly pay for senior mainframe developer in Texas is $53.71, according to ZipRecruiter salary data. Most workers in this role earn between $50.38 and $58.65 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

Senior Mainframe Developer

Purple Drive Technologies

Westlake, TX • On-site

Contractor

Posted yesterday

Job description

Overview:
Role: Senior Mainframe Developer
Location: Westlake, TX (Onsite)
Type: Contract-to-Hire (CTH)
Job Summary:
We are seeking an experienced Senior Mainframe Developer with strong expertise in COBOL, CICS, DB2, and JCL to join our dynamic team in Westlake, TX. The ideal candidate will be responsible for designing, developing, and maintaining scalable mainframe applications, driving performance optimization, and ensuring stability across enterprise systems.
Key Responsibilities:
  • Define, design, and lead mainframe application development projects to deliver scalable business solutions.
  • Develop, automate, and support mainframe applications using COBOL, CICS, DB2, JCL, VSAM, MQ-Series, and SQL.
  • Conduct performance tuning and capacity planning to reduce I/Os, CPU Time, MSUs, and MIPs using tools such as Strobe, iStrobe, and Platinum Detector.
  • Manage file formats, comparison, and versioning using File-AID and Endeavor.
  • Perform debugging and unit testing using Intertest and Abend-AID.
  • Schedule and monitor batch jobs using Control-M.
  • Collaborate with QA teams to ensure compliance with procedures, controls, and best practices.
  • Translate complex business requirements into efficient, maintainable code and solutions.
  • Provide technical guidance and mentorship to junior developers within the team.
Required Skills & Experience:
  • 10+ years of hands-on experience in Mainframe application development and support.
  • Proven experience with COBOL, CICS, DB2, JCL, VSAM, MQ-Series, and SQL.
  • Strong background in Mainframe performance tuning and optimization.
  • Proficiency in File-AID, Endeavor, Intertest, Abend-AID, and Control-M.
  • Familiarity with MQ is a plus.
  • 7+ years of work history in Financial Services or Wealth Management domain preferred.
  • Solid understanding of the Software Development Life Cycle (SDLC) - Analysis, Design, Development, Testing, and Production deployment.
  • Excellent analytical, problem-solving, and communication skills.
  • Strong attention to detail and ability to work in a fast-paced environment.
Education & Qualifications:
  • MCA / B.Tech / Any Graduate with 11-16 years of relevant experience.
Additional Details:
  • Work Mode: Onsite (Westlake, TX)
  • Type of Hire: Contract-to-Hire (CTH)
  • Experience Range: 10-16 Years

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