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Mainframe Z Os System Programmer Jobs in Wisconsin

Lorven Technologies

SAP SME Consultant - ABAP

Neenah, WI · On-site

$63.25 - $85.75/hr

... ABAP developer on ABAP programs in ECC and S/4HANA systems. * Analyze technical specifications that are written to reverse engineer the custom Z-tables across modules (FI, MM, SD, HR, etc.

Infleqtion

Senior Embedded Systems Engineer

Madison, WI · On-site

$131K - $175K/yr

Expertise in working with industry standard hardware descriptive languages (Verilog, System Verilog ... Familiarity with Embedded Linux OS distribution builds (nix, Yocto, or Buildroot) * Experience ...

Bechtle

$112K - $139K/yr

Abgeschlossene technische Ausbildung (z.B. TGM, HTL,...) sowie Berufserfahrung im Bereich Systemadministration erforderlich * Erfahrung im Bereich Windows und Linux-Systemen ist erforderlich ...

Urpantech inc

RPG Developer (As400)

Neenah, WI · On-site

... Programmer/Analyst is responsible for developing and maintaining application systems and for ... mini/mainframe computer operating systems; hardware and software installation, testing and ...

MDAEdge

C/C++ Developer

Milwaukee, WI · On-site

$48.25 - $64.75/hr

Qualifications : Required : • Proficiency in C and C++ programming languages • Strong ... systems • Hands-on experience with low-level OS internals, memory management, and hardware ...

Urpantech inc

RPG Developer (As400)

Neenah, WI · On-site

... Programmer/Analyst is responsible for developing and maintaining application systems and for ... mini/mainframe computer operating systems; hardware and software installation, testing and ...

TIER4 GROUP

Software Integration Engineer

Franklin, WI · Hybrid

$96K - $130K/yr

Proficiency in IBM MQ (Linux, MQ Appliance, Mainframe MQ preferred). * Strong skills in Python, Java, Shell Scripting, and Git. * Experience in reverse engineering and system analysis. * Familiarity ...

krg technology inc

RPG Developer(AS 400)

Neenah, WI · On-site

... Programmer/Analyst is responsible for developing and maintaining application systems and for ... mini/mainframe computer operating systems; hardware and software installation, testing and ...

Princeton IT Services

SAP SME Consultant

Neenah, WI · On-site

$63.75 - $86.75/hr

Review, analyze, and validate technical specifications written by SAP ABAP developers in ECC and S/4HANA systems. * Reverse-engineer and interpret custom Z-tables across SAP modules such as FI, MM ...

Qualysoft

... Systemen sowie dem produktiven Einsatz skalierbarer Microsoft-Azure-Architekturen .Der Azure AI ... AI-Losungen (z. B. RAG-Applikationen) in Microsoft Azure Aufbau, Orchestrierung und ...

Dairy.com

Tier II Systems Engineer

Elkhorn, WI · On-site

... system including new user setups, line of business application support, and hosted application ... OS knowledge [Linux and Windows] both workstation and server Experience supporting cloud ...

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How much do mainframe z os system programmer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for mainframe z os system programmer in Wisconsin is $58.72, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $67.93 per hour, depending on experience, location, and employer.

What is a mainframe z/os system programmer?

A Mainframe Z OS System Programmer is an IT professional responsible for installing, configuring, maintaining, and troubleshooting IBM mainframe systems running the z/OS operating system. They ensure the mainframe environment is stable, secure, and optimized for performance, supporting critical business applications. Their duties include system upgrades, applying patches, disaster recovery planning, and providing technical support to other IT teams. This role is crucial for organizations that rely on mainframe computing for large-scale transaction processing and data management.

What are some common challenges faced by mainframe z/os system programmers, and how can they be addressed?

Mainframe Z/OS System Programmers often encounter challenges such as managing system upgrades, ensuring high availability, and troubleshooting complex performance issues. Keeping up with evolving technologies and integrating new software with legacy systems can also be demanding. To address these challenges, programmers typically work closely with application developers, attend ongoing training, and utilize robust monitoring tools. Collaboration and strong communication within cross-functional teams are key to maintaining system stability and implementing updates smoothly.

What are the key skills and qualifications needed to thrive as a mainframe z/os system programmer?

To thrive as a Mainframe Z/OS System Programmer, you need deep expertise in IBM mainframe operating systems, programming languages like Assembler and REXX, and a strong foundation in systems administration, usually supported by a relevant degree or equivalent experience. Familiarity with tools such as IBM SMP/E, TSO/ISPF, JCL, and mainframe security systems is essential, and certifications like IBM Certified System Programmer can be beneficial. Analytical thinking, attention to detail, and effective problem-solving are key soft skills that help professionals excel in troubleshooting and collaborating with technical teams. These skills and qualifications are crucial for ensuring reliable, secure, and efficient mainframe operations that support critical business processes.
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Mainframe Z Os System Programmer jobs near you

SAP SME Consultant - ABAP

Lorven Technologies

Neenah, WI • On-site

$63.25 - $85.75/hr

Contractor

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Description: SAP SME Consultant - ABAP
Location: Neenah or Oconomowoc in Wisconsin area (Day one onsite - local or who can be ready to relocate to WI)
12 Months Contract
Note: Technical + we're looking for someone to work as a business analyst too
Role Overview:
We are seeking a highly skilled SAP ABAP Consultant with deep experience across ECC and S/4HANA environments and can work as a SAP SME for validating client Tech Specs for moving data from SAP to a data lake ( primarily written for SAP data sources ). The ideal candidate will be proficient in custom development, Z-table data extraction, and validating detailed technical documentation that maps extracted data to business logic. This role requires strong analytical capabilities, cross-functional collaboration, and strong client communication skills.
Key Responsibilities:
  • Understand technical specifications that are written by ABAP developer on ABAP programs in ECC and S/4HANA systems.
  • Analyze technical specifications that are written to reverse engineer the custom Z-tables across modules (FI, MM, SD, HR, etc.).
  • Collaborate with functional teams to understand business logic and data dependencies.
  • Prepare comprehensive technical documentation including:
  • Data extraction logic
  • Field-level mappings
  • Business rule interpretation
  • Source-to-target lineage
  • Responsible to review the technical specification document and ask the right clarifications such that data engineers could then use the technical specification to develop data lake ETL routines.

Required Skills & Experience:
Core ABAP (ECC & S/4HANA) experience to review and validate technical specifications:
  • Classical & OO ABAP programming experience
  • ALV Reports (Classical and OO)
  • BDC, BAPI, RFC, SmartForms, Adobe Forms
  • User Exits, Customer Exits, BADIs
  • Function Modules, Modularization, Macros

Advanced ABAP (S/4HANA-centric) experience to review and validate technical specifications:
  • CDS Views (Basic & Composite)
  • AMDP (ABAP Managed Database Procedures)
  • OData Services and Fiori integration
  • ABAP RESTful Programming Model (RAP)
  • Core Data Services annotations
  • Business Object Processing Framework (BOPF)

Data Handling & Extraction experience to review and validate technical specifications:
  • Z-table extraction with joins, filters, delta logic
  • Performance tuning of SELECT statements
  • Open SQL and Native SQL usage
  • Data dictionary object creation (Z tables, views, domains, data elements)
  • Handling clustered and pooled tables (ECC legacy)

Documentation & Technical Design:
  • Technical Specification Document (TSD) preparation, review and validation
  • Field-level mapping and source-to-target lineage
  • Business logic annotation and transformation rules
  • Functional-to-technical traceability
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About Lorven technologies

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Lorven Technologies, headquartered in Plainsboro, New Jersey, United States, is a reputable company in the technology industry, specializing in providing effective IT solutions and consulting services. The company's official website, lorventech.com, offers comprehensive insights into its offerings which include but are not limited to software development, IT consulting, project management, and business analysis. Since its inception, Lorven Technologies has been committed to ensuring efficiency and reliability in delivering IT services to its global clientele, establishing itself as a trusted name in the industry.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

2001

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