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Remote

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Today

Job Title: Mainframe z/OS Connect Specialist Location: Remote Duration: Long term contract Job Summary: We are seeking an experienced z/OS Connect Specialist to support a large-scale mainframe modernization initiative. The role focuses on transforming legacy 3270 applications and SOAP-based services into modern, scalable REST APIs using IBM z/OS Connect. Key Responsibilities: Design and implement REST APIs using IBM z/OS Connect Modernize legacy COBOL, CICS, DB2 applications by exposing busines

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Third Party, Contract

$60+

Mainframe Developer (z/OS Connect)

Hybrid in Columbus, Ohio

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Today

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

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

Remote

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14d 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 z/OS System Programmer

Plano, Texas

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6d ago

Must Have Technical/Functional Skills : Knowledge and experience in support for a complex Mainframe Environment Knowledge and experience in support for Mainframe migrations and LPAR/MIPS management Experience in Mainframe backup to and restore from tape Knowledge and Experience in Mainframe datacenter migration and design Experience in Install, configure and supporting Mainframe LPARS and MIPS Experience configuring and supporting mainframe restores Experience in Capacity and performance managem

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Contract

Depends on Experience

z/OS mainframe

Hybrid in Phoenix, Arizona

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Today

Hiring: Senior z/OS Mainframe Systems Engineer Phoenix, AZ (Hybrid | Open to Relocation) 10+ Years Experience Strong experience in z/OS Systems Engineering Expertise in Data Storage (DASD, DFSMS) Hands-on in Performance Tuning (RMF/SMF) Experience with DB2 Administration (backup, recovery, tuning) Good knowledge of JCL, TSO/ISPF, SDSF, RACF Nice to Have: CICS, MQ, REXX, Control-M Looking for candidates with strong mainframe infrastructure + troubleshooting skills in enterprise environments.

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Contract

$30 - $50

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

Remote

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22d 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 Architect / SME

Sacramento, California

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28d ago

IMMEDIATE CONTRACTOnsite in Sacramento2 openings ( Mainframe Storage SME AND Sr Mainframe Storage Admin)Senior subject-matter expertwho owns architecture, standards, and advanced troubleshooting for the IBM z/OS storage stack. Provides technical leadership, mentors team members, and drives modernization/optimization of storage services. Key Responsibilities Define and maintainstorage architecture/standards(DFSMS design, ACS routines, management/storage classes); lead roadmap for reliability, sca

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Contract

Depends on Experience

Sr Mainframe Z/OS Storage Admin

Sacramento, California

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28d ago

IMMEDIATE CONTRACTOnsite in Sacramento2 openings ( Sr Mainframe Storage Admin and a Mainframe Storage Architect/ SME )Overview Hands-on z/OS storage administrator responsible for installation, maintenance, and operations of mainframe storage environments (DASD, VTS/tape, SAN) in accordance with enterprise standards. Partner with systems programmers and operations to keep storage performant, resilient, and compliant. Key Responsibilities Install, maintain, and patch z/OS storage software/hardware

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Contract

Depends on Experience

z/OS Mainframe Engineer

Remote

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13d 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

Mainframe Database Administrator (IMS / Db2 z/OS)

Hybrid in Hartford, Connecticut

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Today

Job Title: Mainframe Database Administrator (IMS / Db2 z/OS) Job ID: 26-00877 Location: Hartford, CT Duration: 12 months on W2 contract Summary: Seeking an experienced Mainframe DBA with strong IMS and Db2 for z/OS expertise to manage, maintain, and optimize enterprise databases. Key Responsibilities: Design, implement, and maintain logical & physical databasesCoordinate database changes, coding, testing, and production deploymentManage user access, database parameters, and performance tuningMo

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Contract

Depends on Experience

z/OS Connect Engineer (LLM Integration)

Columbus, Ohio

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7d 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 z/OS Integration Specialist

Columbus, Ohio

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5d ago

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 Engineer

Remote

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Today

Mainframe Engineer Remote Long Term Job Summary Looking for a Mainframe Engineer with strong experience in CA TPX Session Management and CA SOLVE to support and maintain enterprise z/OS environments. The role involves session management, automation, troubleshooting, and production support. Required Skills CA TPX Session Management CA SOLVE for z/OS IBM z/OS VTAM / SNA TSO / ISPF JCL Good to Have RACF (or mainframe security) SMP/E basics CICS / IMS / DB2 exposure CA NetMaster / CA SYSVIEW Respo

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Contract, Third Party

$$70/hr

z/OS Systems Programmer - Mainframe - Remote

Remote or Atlanta, Georgia

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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

Senior Systems Programmer - Z/OS Mainframe

Chandler, Arizona

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Today

Will work partial onsite in Chandler AZ Top skills: Z/OS Systems Engineering Data Storage Performance Tuning Database Administration Description This person will be responsible for designing, installing, programming, and maintaining complex system software. Major responsibilities of the role are: 1. Maintain up-to-date knowledge about systems software supplied by the manufacturer. 2. Analyze current system software; proposed modifications; and new software for impact on installation problems, st

Full-time

USD 50.00 - 57.50 per hour

US Application Developer – z/OS (Mainframe)

Sacramento, California

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Today

Urgently Hiring - US Application Developer z/OS (Mainframe) Job Title: US Application Developer z/OS Location: Sacramento (Hybrid) Client: California Medicaid Management Information System Employment Type: Contract Job Description We are seeking a US Application Developer z/OS with experience in mainframe technologies and healthcare claims processing to support critical applications within the CA-MMIS environment. The ideal candidate will work closely with business teams to translate require

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Contract

65+

IBM DB2 for z/OS (Mainframe)

Hybrid in Cary, North Carolina

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8d ago

Job Description:Install, configure, and maintain DB2 databases on z/OS mainframe systems.Perform database administration tasks including database creation, schema design, and object management.Execute and manage DB2 utilities such as REORG, RUNSTATS, LOAD, and COPY.Monitor database performance and perform tuning for optimal efficiency.Handle backup, recovery, and disaster recovery processes.Manage database security, authorizations, and access controls.Troubleshoot database issues and provide tim

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Contract

Depends on Experience

z/OS mainframe Admin

Hybrid in Phoenix, Arizona

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Yesterday

Title: z/OS mainframe Location: Phoenix, AZ; hybrid working model(Accepts relocation as well) Start date : 2nd to 3rd week of April. They are looking to onboard mainframe infrastructure resources with over 10+ years of experience. We would like to start with shortlisting the candidates on the below skills. Z/OS Systems EngineeringData StoragePerformance TuningDatabase Administration

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Contract, Third Party

50 - 55

Sr Mainframe Z/OS Storage Consultant / Architect / SME

Remote or Hybrid in San Jose, California

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18d 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 z/OS L3

Remote

•

Yesterday

Role: Mainframe z/OS L3 Locations : Remote Duration: 6+ Months Experience: 15+ years Relevant: More than 9 years of experience in System Programming Job Summary Responsibilities :- Troubleshooting technical issuesResponsible for successful completion of Installation, configuration and migrationEnsure maximum uptime according to the SLAImproves and maintains customer and employee satisfactionPerform problem determination followed by root cause analysis and documentationImplement changes to z/OS

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Contract

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