> Markdown version of [/jobs/ext/3992090-sr-mainframe-developer-w2-tx-onsite](https://www.wearedevelopers.com/jobs/ext/3992090-sr-mainframe-developer-w2-tx-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Mainframe Developer (W2) (TX Onsite) - **Company:** Pacific Consultancy Services - **Location:** Plano, TX, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), Data Files, IBM DB2, Linux, File Systems, Job Control Language (JCL), Linux System Administration, Mainframes, Shell Script, Strategies of Testing, Virtual Storage Access Methods, Z/OS, Mainframe Programming, Information Technology, Programming Languages - **Published:** October 28, 2026 - **Apply:** https://www.dice.com/job-detail/02469330-ff5a-43b2-81df-5d03e360e8a1 ## About the Role Solutions and executes migration of Mainframe applications into software equivalent systems (rehosting). 10 Years' + Relevant Experience mentioned below is Mandatory 8-12+ years in EDI/B2B integration with 5+ years with IBM ITX/ITXA (map design, type trees, rules, deploy). Hands-on migration experience from Mainframe Gentran (z/OS) to ITXA on Linux Good knowledge ITXA components: mapping, schemas/type trees, runtime configuration, adapter/transport setup, trading partner configuration. Proficient with Linux administration for application runtime (services, filesystem, permissions, shell scripting). Familiarity with Mainframe concepts: JCL, batch scheduling, data sets etc. Uses knowledge of Mainframe technologies like COBOL, JCL, CICS, VSAM, Assembler, DB2, IMS, files, etc to find the right solution to migrate off the Mainframe. Requirements: Proven experience with the following practices: Works well with clients, their stakeholders and end users Experience in requirements solicitation Able to differentiate between needs & wants Experience in translating business requirements into technical requirements Ability to work well within the team Familiar with programming languages, and able to read some legacy code at a high-level to understand code rules Bachelor's degree in Computer Science, Business, or equivalent Technical experience Preferences: Knowledge of Mainframe technologies like COBOL, JCL, CICS, etc. Role Responsibilities: Expert experience and ability to understand of legacy and current technologies; expert ability to identify code patterns and understand coding strategies ability to coach and mentor the transformation of applications, using modern technologies, frameworks, and test strategies. Demonstrated ability to lead projects or offer programming solutions at an advanced level. Advanced understanding of how technology decisions relate to business needs. Ability to architect and design modernized systems with new technologies