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Mainframe Computer Jobs in Texas (NOW HIRING)

Broadcom

Mainframe Quality Engineer 3

Plano, TX · On-site

$47.25 - $60.75/hr

Required : • Minimum of 5 years of experience in quality assurance for mainframe software. • BA/BS in Computer Science or equivalent degree. • Experience creating test automation (preferably ...

Beaumont ISD

Student Video Broadcast

Beaumont, TX

$8.50/hr

Uses mainframe computer (AS400), personal computer, printer, typewriter, copier, calculator, fax machine, decollator and burster WORKING CONDITIONS: Mental Demands * Work with frequent interruptions ...

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How much do mainframe computer jobs pay per hour?

As of May 31, 2026, the average hourly pay for mainframe computer in Texas is $49.73, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $56.44 per hour, depending on experience, location, and employer.

What is a Mainframe Computer job?

A Mainframe Computer job typically involves working with large-scale, high-performance computing systems used by enterprises for critical applications such as banking, finance, and healthcare. Responsibilities may include system administration, application development, performance monitoring, and troubleshooting. Professionals in this field often work with mainframe operating systems like z/OS and programming languages such as COBOL, JCL, and REXX. This role requires strong analytical skills and knowledge of legacy systems, as mainframes continue to be integral to many industries.

What are the key skills and qualifications needed to thrive in the Mainframe Computer position, and why are they important?

To thrive as a Mainframe Computer Operator or Specialist, you need a solid understanding of mainframe hardware, operating systems (such as IBM z/OS), and data center best practices, alongside a degree in computer science or related experience. Familiarity with job scheduling tools (like JCL), monitoring utilities, and expertise in mainframe programming languages (such as COBOL) are commonly required, and certifications such as IBM Certified System Programmer are advantageous. Attention to detail, strong troubleshooting abilities, and excellent communication skills are essential for coordinating with IT teams and resolving system issues. These competencies ensure the reliability, security, and efficiency of mission-critical mainframe systems in large organizations.

What are some common challenges faced by mainframe professionals in day-to-day operations?

Mainframe professionals often face challenges such as managing complex batch job schedules, troubleshooting unexpected system outages, and ensuring data security while dealing with legacy applications. The work requires careful monitoring for performance bottlenecks and rapid response to issues, often during off-hours or on-call rotations. Collaboration with programming, network, and system administration teams is frequent, as mainframe environments are integral to business-critical services. Successfully handling these challenges helps maintain uptime and reliability for the organization’s core operations.
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Mainframe Computer jobs near you
Infographic showing various Mainframe Computer job openings in Texas as of May 2026, with employment types broken down into 5% Internship, 80% Full Time, 5% Temporary, 5% Contract, and 5% Nights. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $103,438 per year, or $49.7 per hour.

Mainframe Storage Systems Engineer

Fidelity Investments

Colleyville, TX • On-site

$49 - $62.25/hr

Full-time

Posted 3 hours ago

Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 264 frontline employees who took The Breakroom Quiz

14th of 138 rated financial services

Job description

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position

The Role

We are seeking an experienced Mainframe Storage professional with hands-on expertise managing data stored on disk and tape across enterprise mainframe environments. This role is responsible for supporting and administering core storage and data management products, ensuring data availability, integrity, and recoverability for mission‑critical systems.


The ideal candidate will have experience supporting and operating IBM mainframe storage and data utilities, including DFSMS, DFHSM, DFDSS, ACC, SRS, IDCAMS, FAVER, and other IBM data management tools. Responsibilities include providing operational support for data backup, recovery, disaster recovery, and high‑availability solutions, as well as ensuring adherence to best practices and operational standards.


In this role, you will also provide technical leadership and guidance to peers and collaborate closely with business and operational teams to resolve storage‑related issues and implement improvements. Participation in on‑call rotations and providing Tier 1 operational support to production environments and business partners is a critical and expected part of this position.

The Expertise and Skills You Bring

  • Bachelor’s degree in Computer Science or related field.

  • Minimum of 5+ years of progressive experience in mainframe technical support.

  • At least 5+ years of z/OS mainframe operating system support in a system programming role.

  • Strong foundation in core technologies and infrastructure, including:

  • Storage systems and tools and their interfaces with z/OS

  • Data structures, databases, files, and I/O

  • Solid business and IT functional knowledge, with strong collaboration and relationship management skills.

  • Experience with IT strategy formulation, IT/storage trends, and emerging technologies.

  • Demonstrated commitment to operational excellence, including ITIL lifecycle management and TLM processes for technology refresh.

  • Hands-on experience with change management, incident management, and problem management.

  • Proven ability to manage vendor relationships and partnerships.

  • Advanced IBM z/OS Mainframe Storage expertise.

  • Experience with z/OS replication solutions, including GDPS, Global Mirror, XRC, Global Copy, PPRC, FlashCopy, and HyperSwap.

  • Advanced understanding of storage administration tools, including DTS ACC/SRC, DFDSS, DFHSM, FDR PAS, Extended Address Volumes (EAV), Control‑M, and Dino T‑REX / HSM Adminisaurus / RTD (plus).

  • Complete understanding of VSAM Record Level Sharing (RLS) capabilities and applications.

  • Mastery of IDCAMS and access method services for system master and user catalogs.

  • Strong knowledge of VSAM structures, including allocation, tuning, and support models.

  • Advanced understanding of ICF Catalog architecture, including RLS‑enabled catalogs and execution of Forward Catalog Recovery in a live environment.

  • Advanced knowledge of IBM DS8K storage platforms and IBM TS7700 Virtual Tape subsystems.

  • Familiarity with emerging technologies such as Safeguarded Copy, Pervasive Encryption, and Remote Pair FlashCopy.

  • Expert-level problem-solving and debugging skills, with the ability to support incident triage.

Certifications:Category:Information Technology

Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

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