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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 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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z/OS Connect Architect / Developer

Columbus, Ohio

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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 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

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

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

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 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

Sr Mainframe Z/OS Storage Consultant / Architect / SME

Remote or Hybrid in San Jose, California

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13d ago

Sr Mainframe Z/OS Storage ConsultantIMMEDIATE CONTRACTClient has offices in Rancho Cordevo near Sacramento, and in San Jose.Occasional travel might be neededThis is a Government client hence ship is requiredOverview Senior z/OS Storage SME providing architectural oversight and guidance for enterprise mainframe storage environments (DASD, VTS/tape, SAN). Serves as the technical authority for storage standards, complex issue resolution, and strategic initiatives in a regulated government environme

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Contract

Depends on Experience

Mainframe API Architect (Z/os - CICS, IMS, Db2, COBOL)

Remote

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Today

zOS Connect Architect Hybrid - Columbus Ohio and remote 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 as JSONata or the built-

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Contract

Depends on Experience

Mainframe Developer - z/OS (COBOL, JCL, CICS, and DB2)

Remote

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Yesterday

Application Developer Zos Hybrid at Sacramento, CA (Remote) Job Description :: 1. 2-5 Years of experience in mainframe applications, healthcare claims processing knowledge is preferred. 2. Analyze business requirements and translate them into technical specifications and mainframe program logic. 3. Design, develop, and maintain COBOL, JCL, CICS, DB2, and VSAM-based CA-MMIS mainframe applications. 4. Perform unit, integration, and regression testing."

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Contract

Depends on Experience

z/OS Mainframe Engineer

Remote

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8d ago

z/OS Mainframe Engineer Salary: Open + Bonus Location: Remote *We are unable to provide sponsorship for this role* Qualifications Bachelor s degree and 7+ years of experience in the following: Installation, configuration, maintenance, and administration of TCP/IP, VTAM Unix System Services and portions of z/OSz/OS mainframe communications experienceTCP/IP, DNS, DHCP, and possess a deep understanding of core networking protocols as well as has hands on Cisco routers and switchesConfiguring and ma

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Full-time

Depends on Experience

z/OS Systems Programmer - Mainframe - Remote

Remote or Atlanta, Georgia

•

Today

The position is described below. If you want to apply, click the Apply Now button at the top or bottom of this page. After you click Apply Now and complete your application, you'll be invited to create a profile, which will let you see your application status and any communications. If you already have a profile with us, you can log in to check status. Need Help? If you have a disability and need assistance with the application, you can request a reasonable accommodation. Send an email to Acce

Full-time

IBM z/OS Integration Specialist

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

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

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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Contract

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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Contract

IS Technical Specialist

Whitehall, Ohio

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Today

Location: Whitehall, OH Salary: Depends on Experience Description: Summary: The IS Technical Specialist provides technical and consultative support on the most complex technical matters in a fast paced financial environment supporting mission critical applications. Duties and Responsibilities: Analyzes, designs, and develops systems based upon user Provides technical assistance in solving hardware or software problems. Possesses an in-depth knowledge of and works with the technical tools a

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

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