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Columbus, Ohio

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Today

IBM z/OS Integration Specialist Location: Columbus OH (Onsite) Skill requirementsHands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures.Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I.Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design.Ability to map mainframe data structures to JSON and back, using tools such as JSONata or the

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Contract

Depends on Experience

IBM ZOS connect with LLM Integration

Hybrid in Columbus, Ohio

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2d ago

IBM ZOS connect with LLM Integration Hybrid - Columbus Ohio Duration: 6-12 months Contract (Possible extension) No C2C or Other Visa Job Description :: Energy & Utility domain needed. ZOS with LLM Model Context Protocol (MCP) Support:This is the primary requirement for modern AI integration. MCP allows AI agents to treat z/OS assets as "tools" they can call upon to answer prompts accurately with live business data.z/OS Assets & JSON Schemas:You must create az/OS Assetthat defines the request an

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z/OS Connect Engineer (LLM Integration)

Columbus, Ohio

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2d ago

Job Title: z/OS Connect Engineer (LLM Integration) Location: Columbus, Ohio Duration: 12 Months Domain: Energy & Utilities Job Summary We are seeking an experienced IBM z/OS Connect Engineer with expertise in enabling mainframe systems for modern API and AI integrations. The ideal candidate will have hands-on experience with z/OS Connect, strong mainframe knowledge, and exposure to integrating enterprise systems with LLM-based applications using modern protocols such as Model Context Protocol (

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Contract, Third Party

Depends on Experience

IBM MQ z/OS Middleware Consultant - mainframe ( PART TIME )

Remote

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9d ago

IBM MQ z/OS Middleware Engineer REMOTEPART TIME 24 hours per week. Possibility to become 40 hours per week in a few months as well 12 month+ contract. Can extend to 2-3 yearsEND client is the GovernmentTHIS IS AN ADVISORY ROLE. You will not get system access. You will guide junior resources. Some systems need to still be upgraded from MQ 9.2 to 9.4. Mandatory Qualifications - Must show a minimum of five (5) years of experience: 1) Install, configure, upgrade, troubleshoot and maintain IBM MQ on

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Contract

Depends on Experience

Mainframe API Architect

Columbus, Ohio

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3d ago

Mainframe API Architect (z/OS Integration) JD A developer who modernizes mainframe systems by turning them into APIs and integrating them with modern applications. Hands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures. Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I. zOS Connect experience Strong understanding of REST APIs, OpenAPI 3.0, and API lif

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Contract, Third Party

Depends on Experience

Mainframe Assembler Developer/IBM z/OS Developer/TPF Developer

Remote

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17d ago

Senior Developer Mainframe / Assembler (z/OS, TPF) Location: Remote or NEC Region Position Overview Amtrak is seeking a Senior Developer with deep experience in IBM z/OS mainframe environments, specifically working with Assembly language and C/C++. The developer will support and enhance a critical legacy application primarily written in Assembler, while also contributing to system integrations and new service development. This role requires strong experience working with mainframe-based trans

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Contract

$1 - $1

zOS Connect Architect

Hybrid in Columbus, Ohio

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2d ago

zOS Connect Architect Hybrid - Columbus Ohio Duration: 6-12 months Contract (Possible extension) No C2C or Other Visa Job Description :: Hands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures.Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I.Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design.Ability to map mainframe data structur

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Senior Architect (Mainframe & API Integration)

Columbus, Ohio

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Yesterday

Now Hiring: Senior Architect (Mainframe & API Integration) | Columbus, OH Were looking for a Senior Architect with deep expertise in mainframe technologies and modern API integration to join our team in Columbus, OH. If you enjoy bridging legacy systems with modern architectures, this is a great opportunity to make a real impact. What Youll Work On: Design and implement API solutions connecting mainframe systems to modern applications Build and manage provider/requester projects using IBM z/OS

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Full-time

45 - 56

Mainframe Developer with API

Columbus, Ohio

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Today

Skill requirements Hands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures.Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I.Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design.Ability to map mainframe data structures to JSON and back, using tools such as JSONata or the built-in mapping functions.Familiarity with mainframe security

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Contract

Depends on Experience

Senior Architect

Columbus, Ohio

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2d ago

Title: Senior Architect Location: ColumbOH Skill requirements Hands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures.Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I.Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design.Ability to map mainframe data structures to JSON and back, using tools such as JSONata or the built-in mapping fu

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Contract

Depends on Experience

zOS Connect Consultant

Hybrid in Columbus, Ohio

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7d ago

zOS Connect Consultant Columbus OH Job Description :: Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I.Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design.

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Contract

Depends on Experience

Mainframe Z/OS Connect Consultant

Columbus, Ohio

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Today

Role: Z/OS Connect Consultant Location : Columbus OH Duration : Long-term w2 Job Description: Hands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures. Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I. Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design. Ability to map mainframe data structures to JSON and back, using tools such a

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Contract

Depends on Experience

z/OS Connect Architect / Developer

Columbus, Ohio

•

Today

Job Title: z/OS Connect Architect / Developer Location: Columbus, OH (Onsite) Duration: Contract Job Description: We are looking for experienced professionals with strong IBM z/OS Connect expertise for API development and mainframe integration projects. Open Roles: Architect (Senior) Developer (Max Rate: $72/hr) Required Skills: IBM z/OS Connect (Designer, API Toolkit, VS Code tools) REST APIs, OpenAPI 3.0 Mainframe: CICS, IMS, Db2 COBOL / PL1 JSON mapping (JSONata) Mainframe security conce

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Contract, Third Party

Depends on Experience

z/OS Connect Developer

Hybrid in Columbus, Ohio

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6d ago

Job Title: z/OS Connect Developer (Utilities Domain)Job SummaryWe are seeking a skilled z/OS Connect Developer with strong experience in mainframe integration and API enablement within the Utilities domain (Electric, Gas, or Water). The role involves exposing legacy mainframe applications as REST APIs and enabling seamless integration with modern digital platforms, including customer portals, smart grid systems, and enterprise applications. Key ResponsibilitiesDesign, develop, and implement APIs

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Contract

Hogan Programmer Analyst

Columbus, Ohio

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Today

Description Hogan Programmer Analyst Expected job responsibilities: Analyze user and business requirements and translate them into technical design specifications. Develop, test, and debug mainframe applications using core languages like COBOL, JCL, and SQL. Collaborate with cross-functional teams (analysts, testers, operations) throughout the full Software Development Life Cycle (SDLC). Troubleshoot and resolve technical issues, bugs, and production incidents in a timely manner. Good Analytical

Full-time

USD 69.50 - 69.50 per hour

Mainframe Sys Engineer

Columbus, Ohio

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Today

Location: Columbus, OH Description: Mainframe Application Configuration & Automation Engineer Location: Columbus, OH 6+ Months Contract to hire Role Overview We are seeking a Mainframe Application Configuration & Build Specialist with strong expertise in automation and workload scheduling. The ideal candidate will be responsible for configuring enterprise applications, automating tasks with Python, and integrating/monitoring batch scheduling workloads using AAI (VMware/Broadcom) or equival

Contract

Lead Infrastructure Engineer - Mainframe MQ ZSeries

Columbus, Ohio

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Today

Job Description Shape the future at JPMorgan Chase as a Lead Infrastructure Engineer on Corporate Infrastructure Platforms, driving modernization of mission-critical systems at global scale. You'll lead end-to-end design, development, and deployment, architect changes with partner platforms, provide global on-call support, and apply rigorous problem-solving while anticipating upstream/downstream impacts. You'll champion a culture of respect and opportunity and uphold firmwide standards for chan

Full-time

USD 142,500.00 - 185,000.00 per year

Oracle PL/SQL Developer - Remote. Must have strong experience in Oracle SQL/ Oracle PL/SQL, IIB (IBM Integration Bus), Java/Spring Boot.

Remote

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2d ago

Role: Sr. Oracle PL/SQL Developer Location: Remote - Client is PST Top Skills: 1.Oracle SQL/ Oracle PL/SQL 2.IIB (IBM Integration Bus) 3.Java/Spring boot Responsibilities: 1) Responsible for Requirement gathering, Design, Coding, Testing, Defect Fixes, Issue Analysis and Production Support. 2) Make sure the deliverables meet the requirements with good quality. 3) Conduct the code review meeting to help improve the coding practice and to meet the Nationwide standards. 4)Work on the implementati

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Contract, Third Party

Depends on Experience

z/OS Connect API Developer

Columbus, Ohio

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Today

Hands-on experience with IBM z/OS Connect Designer, API toolkit, or Visual Studio Code tools for generating provider/requester projects and language structures. Working knowledge of z/OS application environments such as CICS, IMS, Db2, COBOL, and PL/I. Strong understanding of REST APIs, OpenAPI 3.0, and API lifecycle design. Ability to map mainframe data structures to JSON and back, using tools such as JSONata or the built-in mapping functions. Familiarity with mainframe security concepts such a

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Third Party, Contract

$50 - $55

CICS Systems Programmer

Columbus, Ohio

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30+d ago

CICS Systems Administrator / Systems ProgrammerColumbus, OH | Plano, TX | Jersey City, NJ | Tampa, FLOn-site 5 Days per Week6-Month Contract (Likely Extension to 12 18 Months) About the RoleWe are seeking an experienced CICS Systems Administrator / Mainframe Systems Programmer to support a large enterprise financial services environment. This role is part of a Resiliency Uplift Initiative, focused on strengthening high availability, disaster recovery, and infrastructure modernization across miss

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Contract

$60 - $75

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