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Mainframe Computer Jobs in Texas (NOW HIRING)

Vytwo

Sr Mainframe Developer / Engineer

Dallas, TX · On-site

$48.75 - $62.50/hr

Bachelor's degree in Computer Science, Information Technology, Data Management, Engineering, or a ... Experience analyzing relational databases, mainframe data structures, files, batch jobs, APIs, and ...

City of Seguin

Unpaid Internship (Parks/Recreation)

Seguin, TX · On-site

$13.25 - $17.75/hr

Ability to: communicate effectively both orally and in writing; use a personal computer or terminal accessing a mainframe computer using standard word processing and spreadsheet software packages ...

Broadcom Inc.

Mainframe QA Engineer

Plano, TX · On-site

Required Education Bachelor's degree in Electrical Engineering or Computer Science or globally equivalent in a related field. Work Experience 5+ years of experience in Mainframe software development ...

Celeros Flow Technology

Manual Machinist

Houston, TX · On-site

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter work order data and correct qualities as required. * Hold very close tolerances and surface finish ...

Apptad, Inc.

Sr. Cobol Developer with SAS

Addison, TX · On-site

$47.50 - $61/hr

... Mainframe and Wealth & Asset Management Required Experience: 8+ years Required skillset: • Bachelor's degree in computer science/information systems or comparable with 8+ years of experience • ...

Celeros Flow Technology

Manual Machinist

Houston, TX · On-site

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter work order data and correct qualities as required. * Hold very close tolerances and surface finish ...

Celeros Flow Technology

Manual Machinist

Houston, TX · On-site

$30 - $34/hr

Work accurately with basic keyboard and monitor interfaced with the mainframe computer to enter work order data and correct qualities as required. * Hold very close tolerances and surface finish ...

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How much do mainframe computer jobs pay per hour?

As of Sep 11, 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?

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?

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.

Is a mainframe computer a good career option?

A career as a mainframe computer professional involves maintaining and supporting large-scale enterprise systems, which are critical for industries like finance and government. It requires skills in mainframe operating systems, programming languages such as COBOL, and certifications like IBM Certified Systems Expert. The role offers stability and demand due to the continued reliance on mainframes for mission-critical applications.

Is a mainframe computer still in demand?

Mainframe computers remain in demand for large-scale enterprise applications, especially in banking, finance, and government sectors that require high reliability, security, and processing power. Skilled mainframe professionals with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and upgrade these systems.

What are jobs in mainframe computer?

Jobs in mainframe computers include roles such as mainframe programmers, system analysts, and operators who maintain, develop, and troubleshoot mainframe systems. These positions often require knowledge of languages like COBOL or PL/I, familiarity with mainframe operating systems such as z/OS, and certifications in mainframe technology. Mainframe professionals work in environments that demand high reliability and security, often following shift schedules to ensure continuous system operation.

What are popular job titles related to Mainframe Computer jobs in Texas?

For Mainframe Computer jobs in Texas, the most frequently searched job titles are:

What job categories do people searching Mainframe Computer jobs in Texas look for?

The top searched job categories for Mainframe Computer jobs in Texas are:

Mainframe Computer jobs near you
Infographic showing various Mainframe Computer job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 76% Physical, 2% Hybrid, and 22% Remote job distribution, with an average salary of $103,438 per year, or $49.7 per hour.

Sr Mainframe Developer / Engineer

Dallas, TX • On-site

Vytwo
See more jobs at Vytwoexternal

$48.75 - $62.50/hr

Other

Re-posted 25 days ago

Key responsibilities

  • Partner with stakeholders to understand business processes, data requirements, source systems, data mappings, and data consumption needs.

  • Translate business requirements and rules into data models, source-to-target mappings, and data integration specifications.

  • Define and implement test data strategies, including data provisioning, masking, synthetic data solutions, and environment refresh processes.

Job description

Banking Experience is must. Credit Card experience is huge plus. 10+ years experience is a must. TECHNICAL SKILLS Must Have:
  • COBOL
  • CICS
  • DB2
  • DB2 utilities
  • SQL JCL
  • MVS Utilities
  • Experience doing Production Support Use of CA7 Scheduling tool
Nice To Have:

Banking Domain Knowledge, Strong experience in data analysis, data architecture, database design, test data management, quality engineering, or software delivery. Proficiency writing and optimizing SQL queries for data discovery, validation, reconciliation, and troubleshooting. Experience analyzing relational databases, mainframe data structures, files, batch jobs, APIs, and downstream data consumers.

LOCATION: Minneapolis, MN 55343 Key Responsibilities
  • Partner with business stakeholders, Product Owners, SMEs, analysts, and development teams to understand business processes, data requirements, source systems, data mappings, and data consumption needs.
  • Translate business requirements, processes, and rules into logical and physical data models, source-to-target mappings, and data integration specifications.
  • Define and implement test data strategies that support functional, regression, integration, performance, automation, and modernization testing needs.
  • Design and govern reusable test data patterns, test data provisioning approaches, masking strategies, synthetic data solutions, and environment refresh processes.
  • Demonstrate strong understanding of data modeling principles, including entities, attributes, relationships, schemas, primary and foreign keys, indexes, constraints, and overall database design.
  • Read, interpret, and analyze Entity Relationship Diagrams, database schemas, data dictionaries, and end-to-end data flow diagrams to identify data dependencies and business impact.
  • Perform data discovery, analysis, and data mining across multiple databases, tables, files, and source systems using SQL, Easytrieve, and other data query and extraction tools.
  • Validate data quality, integrity, consistency, and accuracy by analyzing data relationships, transformation logic, reconciliation results, and business rules across systems.
  • Develop an understanding of data movement and integration patterns, including real-time and batch processing, event-driven architectures, APIs, messaging queues, data pipelines, and file- based interfaces.
  • Collaborate with architecture, development, testing, and operational teams to support data analysis, problem resolution, impact assessments, test automation enablement, and system modernization initiatives.
  • Ensure test data solutions comply with data privacy, data protection, retention, classification, and regulatory requirements for sensitive customer and financial data.
  • Document data models, test data design patterns, source-to-target mappings, provisioning processes, standards, and best practices for repeatable enterprise use.
Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, Data Management, Engineering, or a related field, or equivalent practical experience.
  • Strong experience in data analysis, data architecture, database design, test data management, quality engineering, or software delivery.
  • Proficiency writing and optimizing SQL queries for data discovery, validation, reconciliation, and troubleshooting.
  • Experience analyzing relational databases, mainframe data structures, files, batch jobs, APIs, and downstream data consumers.
  • Ability to translate business rules and system behavior into clear data requirements, mappings, and test data needs.
  • Strong communication skills with the ability to explain complex data concepts to technical and non-technical stakeholders.
  • Experience working in Agile delivery environments and collaborating across product, engineering, quality, architecture, and operations teams.
Preferred Skills & Technologies Databases
  • DB2
  • SQL Server
  • Oracle
  • PostgreSQL
Data Analysis & Query Tools
  • SQL
  • Easytrieve
  • SPUFI
  • Basic understanding of COBOL, JCL, and VSAM datasets
Banking Domain Knowledge (Preferred)
  • Experience working within banking, payments, credit card, deposits, lending, or customer/account data domains.
  • Understanding of core banking platforms, transaction processing flows, customer and account hierarchies, and regulatory reporting requirements.
  • Ability to trace, analyze, and map data across upstream and downstream applications, databases, files, APIs, and enterprise data platforms.
  • Familiarity with batch and real-time processing architectures and the movement of data across interconnected banking systems.
  • Experience with enterprise test data management platforms, data masking, synthetic data generation, data subsetting, and automated data provisioning is preferred.
  • Understanding of data governance, data classification, retention requirements, and regulations governing the storage, transmission, and protection of sensitive customer and financial data.

Flexible work from home options available.

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