Dimension Data

1 week ago

IBM z/OS mainframe Software Specialist

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 17 hours agoStatus: Live

Job Summary

Provide deep technical expertise for IBM z/OS mainframe systems, analyzing and stabilizing COBOL-based, DB2/IMS-backed batch workflows. Reverse engineer and document business rules, data models, and interfaces, while developing and troubleshooting COBOL and JCL scripts. Support modernization by identifying modernization candidates, enabling API/services mapping, assisting with DB2/VSAM data migration, and partnering on batch-to-real-time and MES integration work.

Location: Plano

Workplace: Onsite

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Analyze the end-to-end mainframe application landscape, including COBOL programs and DB2/IMS databases, and document current-state architecture.
•Extract and document business rules and processing logic, including data models, file structures, and interface/dependency mappings.
•Develop, maintain, and troubleshoot COBOL programs and JCL scripts for batch and online processing.
•Use DB2 and IMS expertise to tune performance and support transactions and hierarchical databases.
•Support modernization by mapping legacy logic to modern services and APIs and assisting with DB2/VSAM to cloud data migration and integration work.

Pay and Benefits

Salary: USD 77,120 - 145,240

Perks:Health InsuranceDentalVision401kLife InsurancePaid Leave

Key Requirements

•Minimum 10+ years of experience in IBM z/OS mainframe environments.
•Experience with COBOL (batch and online), JCL, and DB2 (SQL, schema design, performance tuning).
•Experience with VSAM/GSAM file systems and IMS DB/DC (preferred).
•Experience with TSO/ISPF and SDSF, and standard mainframe utilities.
•Bachelor’s degree in computer science or related field.

Experience:10+ yearsMainframeTransaction processingMMISFinancial systemsHealthcare claims

Education:Bachelor's in computer science or related field

Skills:Analytical thinkingReverse engineeringDocumentationCollaborationCommunication

Tech Stack:IBM z/OSCOBOLDB2SQLStored proceduresVSAMGSAMIMS DB/DCIMSJCLTSO/ISPFSDSFFile ManagerDebuggerIBM MQ SeriesSFTPEDIAPIsMESCloud databases

Company Brief

Dimension Data

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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Dimension Data

1 week ago

IBM z/OS mainframe Software Specialist

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 17 hours agoStatus: Live

Job Summary

Location: Plano

Workplace: Onsite

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Analyze the end-to-end mainframe application landscape, including COBOL programs and DB2/IMS databases, and document current-state architecture.
•Extract and document business rules and processing logic, including data models, file structures, and interface/dependency mappings.
•Develop, maintain, and troubleshoot COBOL programs and JCL scripts for batch and online processing.
•Use DB2 and IMS expertise to tune performance and support transactions and hierarchical databases.
•Support modernization by mapping legacy logic to modern services and APIs and assisting with DB2/VSAM to cloud data migration and integration work.

Pay and Benefits

Salary: USD 77,120 - 145,240

Perks:Health InsuranceDentalVision401kLife InsurancePaid Leave

Key Requirements

•Minimum 10+ years of experience in IBM z/OS mainframe environments.
•Experience with COBOL (batch and online), JCL, and DB2 (SQL, schema design, performance tuning).
•Experience with VSAM/GSAM file systems and IMS DB/DC (preferred).
•Experience with TSO/ISPF and SDSF, and standard mainframe utilities.
•Bachelor’s degree in computer science or related field.

Experience:10+ yearsMainframeTransaction processingMMISFinancial systemsHealthcare claims

Education:Bachelor's in computer science or related field

Skills:Analytical thinkingReverse engineeringDocumentationCollaborationCommunication

Tech Stack:IBM z/OSCOBOLDB2SQLStored proceduresVSAMGSAMIMS DB/DCIMSJCLTSO/ISPFSDSFFile ManagerDebuggerIBM MQ SeriesSFTPEDIAPIsMESCloud databases

Company Brief

Dimension Data

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn