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Performance Engineer Mainframe Jobs in Texas (NOW HIRING)

ConfigUSA

Mainframe z/OS System Programmer

Plano, TX · On-site

$52.75 - $67/hr

... performance management Experience with Remote Administration of MIPS/LPARS Work with vendor ... Mainframe System Programmer z/OS System Administrator MVS System Programmer

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Performance Engineer Mainframe information

What is the difference between Performance Engineer Mainframe vs Performance Engineer Distributed?

AspectPerformance Engineer MainframePerformance Engineer Distributed
CredentialsTypically requires certifications like CSTE, ISTQB, or vendor-specific mainframe certificationsOften requires similar certifications plus knowledge of distributed systems and cloud platforms
Work EnvironmentMainframe environments with IBM z/OS, COBOL, and JCLDistributed systems using Linux, Windows, cloud services, and Java/.NET
Industry UsageBanking, finance, insurance, and government sectorsTech, retail, and enterprise sectors with distributed architectures
Common Search/ComparisonYesYes

The main difference between Performance Engineer Mainframe and Performance Engineer Distributed lies in their work environments and technologies. Mainframe engineers focus on optimizing legacy systems like IBM z/OS, while distributed engineers work with modern, cloud-based, and networked systems. Both roles require performance testing skills but are tailored to different infrastructure types.

Infographic showing various Performance Engineer Mainframe job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 88% Full Time, 9% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Data Engineer / Mainframe Developer

Westlake, TX • On-site

ConglomerateIT
IT Services • 11 - 50 employees
Learn more about ConglomerateITexternal

$47 - $60.50/hr

Other

Re-posted yesterday

Job description

Job Title: Data Engineer / Mainframe Developer
Tax Term: W2/1099 Only
Location: WestLake TX - Onsite
Employment Type: Contract

About us

Conglomerate IT is a certified and a pioneer in providing premium end-to-end Global Workforce Solutions and IT Services to diverse clients across various domains. Visit us at ConglomerateIT.com

Our mission is to establish global cross culture human connections that further the careers of our employees and strengthen the businesses of our clients. We are driven to use the power of global network to connect business with the right people without bias. We provide Global Workforce Solutions with affability.

Job Summary:

We are seeking a highly experienced technology professional with a strong background in Mainframe systems, PL/SQL, and ETL development. The ideal candidate will have deep hands-on exposure to large-scale data environments and enterprise-grade systems, with a focus on performance, reliability, and collaboration within agile teams.

Educational Qualifications

  • Bachelor's degree in Computer Science, Engineering, or Mathematics with 6+ years of relevant experience

  • Master's degree is preferred

Core Technical Requirements

  • Strong expertise in Oracle PL/SQL with proven ability to develop and optimize complex SQL queries

  • Extensive experience working as a Mainframe Developer, including COBOL-based systems

  • Hands-on exposure to ETL architecture, design, and development

  • Proven experience handling and processing large data volumes

  • Solid understanding of performance optimization techniques, including SQL tuning and system-level tuning

Systems & Platform Experience

  • Experience designing for system resiliency and stability, including familiarity with Site Reliability Engineering (SRE) principles

  • Working knowledge of large, complex enterprise system architectures

  • Exposure to distributed application development concepts; experience with Java, .NET, or Python is considered an advantage

  • Proficiency in shell scripting

  • Strong experience working in Linux-based environments

DevOps & Delivery Practices

  • Knowledge of CI/CD processes, tools, and best practices

  • Familiarity with tools such as GitHub, Jenkins, Stash, Artifactory, or similar

  • Understanding of Agile/Scrum methodologies or prior experience working in Agile teams

Soft Skills & Collaboration

  • Strong analytical and problem-solving capabilities

  • Excellent verbal and written communication skills, with the ability to clearly summarize and explain technical concepts

  • Demonstrated ability to collaborate effectively with cross-functional teams, including globally distributed team members

Founded in 2014, is a global leader in delivering innovative IT solutions and services. Headquartered in the USA with a presence in the UK, Canada, and India, we specialize in offering industry-leading expertise and cutting-edge products that help our clients maximize their technological investments. Our focus on best-in-class solutions, a highly knowledgeable team, and proactive talent mapping ensure we remain at the forefront of the IT industry.

ConglomerateIT is driven by our Center for Excellence and Innovation, an initiative dedicated to keeping us ahead in a rapidly evolving technology landscape. We understand that building strong relationships is key to our success, and this commitment has enabled us to partner with Fortune 500 companies and leading system integrators worldwide. Our ability to provide local talent on a global scale ensures that we can meet the contingent project requirements of our clients efficiently and effectively.

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