Mainframe Application/Solution Architect

ClifyX

Richardson (TX)

Hybrid

USD 120,000 - 150,000

Full time

14 days+

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Job summary

A leading IT recruitment agency seeks a Mainframe Application/Solution Architect in Texas. The ideal candidate has 10-15 years of experience with IBM z/OS, leading a team in Tier 3 support, and proficiency in PL/I, COBOL, JCL, and DB2. Key responsibilities include providing code enhancements and bug fixes while ensuring system stability. This contract role offers a hybrid work environment, which includes onsite requirements.

Qualifications

Minimum 10-15 years of experience supporting applications on IBM z/OS and leading a team.
5+ years in PL/I or COBOL development is crucial.
Strong knowledge of JCL, PROCs, and REXX.

Responsibilities

Provide Tier 3 Support for mainframe OSS applications.
Identify and remediate vulnerabilities in mainframe modules.
Assist Tier 2 Support with end-user inquiries.

Skills

PL/I

COBOL

JCL

DB2

REXX

SAS

IMS

Tools

Abend-Aid

Fault Analyzer

Endevor

Job description

Mainframe Application/Solution Architect

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Job title: Mainframe Application/Solution Architect

Work Location : Richardson, TX OR Baskin Ridge ,NJ ,Tampa FL (Hybrid-Onsite)

Duration of the project: 12Months

Minimum years of experience required: 10-15 Years

Job Description

Mainframe Application Developer/Solution Architect (L3 Support – Tech lead)

Need a highly experienced mainframe developer or solution architect with experience leading a team providing Tier 3 support that includes code enhancements, bug fixes, remediation of vulnerabilities, and platform upgrades (z/OS, DB2, IMS, SAS, and Endevor-related tasks). The developer should be able to support Tier 1 and Tier 2 teams who manage daily operations and ensure the system remains stable, available, and functioning 24/7.

This role supports multiple integrated network planning and work administration systems used to plan, provision, dispatch, inventory, and maintain telecom networks. Knowledge of PL/I or Assembler, JCL, REXX, SAS, DB2, IMS, and mainframe compilation flows is required.

Responsibilities

Provide Tier 3 Support for all mainframe OSS applications, including:

Provide code fixes across PL/I, Assembler, COBOL, SAS, REXX, CLIST, and JCL modules
Prepare enhancements and minor functional changes
Identify and remediate vulnerabilities in mainframe modules or JCL flows
Perform analysis of production issues impacting dispatch, inventory, or planning systems
Thoroughly test all software changes using approved test suites
Successfully build and deploy all software changes through Endevor across multiple regions
Debug and resolve abends using Abend-Aid, Fault Analyzer, or system dumps
Support DB2 and IMS precompile, bind, and ACBGEN flows as required for code changes

Assist the Tier 2 Support team as needed including:

Analyzing and responding to end-user or Tier 1/Tier 2 developer questions and tickets
Administering user access to specific batch flows or applications (as necessary)
Providing routine system and job stream maintenance
Ensuring that nightly and weekly cycles complete successfully
Remediating system overload issues, long-running jobs, or SQL degradation

Requirements

Minimum 10-15 years of hands‑on experience supporting applications on IBM z/OS and leading a team of developers
Minimum 5–7 years of experience in PL/I or COBOL development
Strong experience with JCL, PROCs, REXX, CLIST, ISPF, and SDSF
Solid understanding of DB2 static SQL, precompile, bind, package/plan management
Experience with IMS (DB + DC), including PSB/DBD/ACB generation flows
Prior experience with Endevor or similar mainframe source/version management tools
Ability to analyze load modules, compare source‑to‑load behavior, and reverse‑engineer logic when source is unavailable

Nice to Have