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Lisle, Illinois

•

Today

Title: Application Developer - Mainframe Work Location: Isle, IL (Hybrid) An Application Developer with expertise in IBM Mainframe zOS environments possesses a strong foundation in core zOS skills, such as VSAM, JCL, REXX, TSO/ISPF, and Mainframe tools. They also have a proficiency in at least one language skill, such as COBOL, PL/1, or Assembler, and a database skill, such as DB2 or IMS-DB. Additionally, they may have experience in transaction processing skills like CICS or IMS-DC. This skill

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Contract

Depends on Experience

Mainframe Developer Need Local to IL

Lisle, Illinois

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2d ago

Job Title: Mainframe DeveloperLocation: Lisle, IL (Onsite Local Candidates Only) Duration: 12+ Months Contract Job SummaryWe are seeking an experienced Mainframe Developer with strong expertise in IBM z/OS environments to join our team in Lisle, IL. The ideal candidate will have hands-on experience in developing, maintaining, enhancing, and supporting enterprise mainframe applications. The candidate should possess strong programming skills in COBOL and extensive knowledge of JCL, CICS, VSAM, DB2

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Full-time, Third Party

$60+

Mainframe Developer

Hybrid in Chicago, Illinois

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22d ago

We are seeking experienced technical professionals to provide development, production support, and deep diagnostic expertise for a large, mission-critical legacy commercial loan accounting platform. This highly customized system is based on Level 3 from AFS, built in COBOL and operating through a 3270 interface, with extensive online transaction processing via CICS and a complex VSAM master file architecture. Required Skills & Qualifications Strong expertise in COBOL, JCL, CICS, VSAM, DB2.Experi

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Contract

Depends on Experience

Senior Mainframe Developer (COBOL)

Remote

•

Yesterday

Senior Mainframe Developer (COBOL) Location: Primarily Remote Onsite Expectations: Monthly travel to Reston, VA for PI Planning Compensation: $83/HR Employment Type: W2 only About the Role Were looking for a Senior Mainframe COBOL Developer to support and enhance large-scale enterprise systems. This role is ideal for someone who thrives in a mainframe environment, enjoys solving complex problems, and is open to evolving technologies. Youll play a key role in maintaining critical applications, s

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Third Party, Contract

$83.33

Mainframe Senior Developer

Chicago, Illinois

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14d ago

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world's

Full-time

USD 99,600.00 - 169,200.00 per year

Mainframe Developer

Remote

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10d ago

Job Title: Software Developer (Mainframe) Location: Remote Type: Full Time/W2 with Infinite Computer Solutions What does a successful Software Development Engineer do at Fiserv? The Software Development Engineer will serve as a technical leader in our Mainframe Software Engineering Department and play a key role in developing industry leading software for our customers. They will be responsible for developing, testing, and supporting complex technical and architectural solutions that support the

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Full-time

Depends on Experience

Mainframe (Assembler) Developer

Remote

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3d ago

Role: Mainframe (Assembler) Developer Location: McKinney, TX(Remote) Type: Contract Job Summary: This position reports to the IT Application Manager and is responsible for the development, deployment, and support of new and existing applications to meet the current and future needs of the business. Senior Programmer Analysts participate in all phases of the System Development Life Cycle as needed, applying expert knowledge of system interaction and business familiarity to meet business n

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Contract, Third Party

Depends on Experience

Mainframe CICS COBOL Developer - REMOTE

Remote or Philadelphia, Pennsylvania

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2d ago

Req ID: 375959 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Mainframe CICS COBOL Developer - REMOTE to join our team in Philadelphia, New Jersey (US-NJ), United States (US). Day to Day Job Duties: Use Cobo, CICS to design, build, test, and deploy scalable mainframe applications for logistics operations like order pr

Full-time

USD 87,120.00 - 181,500.00 per year

Senior Mainframe COBOL Developer

Remote or Olympia, Washington

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2d ago

Salary: $120,492.00 - $131,436.00 Annually Location : Thurston County - Olympia, WA Job Type: Exempt Remote Employment: Flexible/Hybrid Job Number: 2026-04859 Department: Office of Financial Management Division: Information Technology Services Opening Date: 06/12/2026 Description Note: This position will remain open until filled. It is at the hiring manager's discretion to make a hiring decision at any time and close the recruitment. It is in your best interest to apply as soon as possible. Appl

Full-time

USD 120,492.00 - 131,436.00 per year

Mainframe Engineer (z/OS)

Remote

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Yesterday

Responsible for the design, installation, configuration, and maintaining of Mainframe z/OS system software and hardware. Required full understanding of the z/OS operating system and its components, Unix System Services. SMP/E, Hardware configuration, Capacity Planning, Performance Management. And ISV product support.

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Contract

60 - 70

IBM z/OS Systems Architect – GDPS & Automation

Remote

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13d ago

07 positions Position 1: IBM z/OS Systems Architect GDPS & Automation Job Title IBM z/OS Systems Architect GDPS (Geographically Dispersed Parallel Sysplex) Job Description We are seeking an experienced IBM z/OS Systems Architect with strong expertise in GDPS, Parallel Sysplex, Disaster Recovery, and Mainframe Automation. The ideal candidate will be responsible for designing, implementing, and supporting highly available enterprise z/OS environments. Key Responsibilities Design and support IBM

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Contract, Third Party

65 - 70

Mainframe Systems Programmer

Remote or Bellevue, Washington

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Today

Description Robert Half is seeking a Senior COBOL Mainframe Developer with AWS experience to support an established insurance and financial services organization. This role focuses on building APIs and integration layers to expose data from legacy mainframe systems, while supporting ongoing maintenance (KTLO) and new capability development. If you feel this aligns with your background, apply today! Schedule: Core availability 9:00 AM - 3:00 PM PST Duration: 6-month contract, likely to extend o

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Contract

USD 60.00 - 65.00 per hour

Senior Mainframe Administrator

Remote or Springfield, Illinois

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29d ago

Key Responsibilities 247 Monitoring & Operations 247 monitoring and operations with defined incident response SLAs.IBM Z DR Orchestration Runbook & Change Management Ownership Maintain operational runbooks, coordinate firmware/microcode upgrades, and manage capacity planning through the 2028 replacement window.Operational Stabilization Agency Coordination Work directly with DoIT, HFS, IDHS, IDOR, and IDES technical leads to ensure DR readiness and SLA compliance.Required Skills & Experience 10+

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Contract

Depends on Experience

Mainframe Storage Engineer

Remote

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Yesterday

Job Title: Mainframe Storage Engineer Chicago, IL - Remote This role provides daytoday operational ownership, runbook governance, and coordination with OEM support services. This position is critical to protect Tier1 agency workloads (HFS, IDHS, IDOR, IDES) and ensure the State has a defensible recovery posture within months. Key Responsibilities 247 Monitoring & Operations 247 monitoring and operations with defined incident response SLAs.IBM Z DR OrchestrationRunbook & Change Management Owner

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Contract

$40 - $50

Mainframe Storage System Programmer

Remote

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2d ago

Job Title:Mainframe Storage System Programmer Location:Remote Contract Type:Sub-contractor not Allowed / only w2 Top Skills: 1. IBM Storage 2. Dell EMC Storage Technical Skills Excellent understanding of System z architecture Excellent experience with IBM z/OS operating system Knowledge on Parallel Sysplex concepts, Catalog management, IBM system utilities Installation and maintenance of ISV products, REXX, RMF, SMF System parameters/parmlib maintenance Managing incidents

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Third Party, Contract

Depends on Experience

Mainframe Migration Consultant

Remote

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10d ago

Hiring: IBM Mainframe PD Tools Specialist / Mainframe Migration Consultant Contract | Remote Seeking an experienced IBM Mainframe Professional with expertise in z/OS, CICS, DB2, IMS, COBOL, PL/I, Assembler, REXX, System Programming, and YAML (Must Have). IBM Product Installation & SupportTroubleshooting, Deployment & MigrationsFile-AID, File Master, PDSMAN, IBM File ManagerStrong Customer-Facing Skills

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Third Party, Contract

Depends on Experience

Mainframe Transformation & Vendor Strategy Consultant

Remote or Hybrid in Toronto, Ontario

•

Today

We're seeking a senior consultant with deep experience in mainframe services and infrastructure modernization to lead a mainframe renewal and transformation initiative for a large enterprise client. This role ensures commercial, technical, and contractual alignment between the client and their incumbent mainframe provider as the engagement transitions toward a managed mainframe services model. The ideal candidate brings strong experience in mainframe operations, outsourcing, and modernization, h

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Contract

Up to $80

Mainframe Migration Architect/Lead

Remote

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2d ago

< data-start="146" data-end="166">Job DescriptionWe are seeking an experienced Mainframe Migration Architect/Lead to support a large-scale modernization initiative involving the migration of IBM Mainframe applications, data, and supporting toolsets to AWS. The ideal candidate will have hands-on experience planning and executing mainframe migration programs, including environments utilizing Broadcom (CA) and BMC technologies. < data-start="553" data-end="574">ResponsibilitiesLead assessment, plan

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Contract

Depends on Experience

Application Developer - Z/os

Remote

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2d ago

Job Title: Application Developer z/OS Mainframe Location: Remote (USA) Employment Type: Contract Location: Remote (USA) Job Summary: We are seeking an experienced Application Developer with strong expertise in z/OS Mainframe technologies. The ideal candidate will be responsible for developing, enhancing, maintaining, and supporting mainframe applications while collaborating with cross-functional teams to deliver high-quality solutions. Required Skills: Strong experience in Mainframe COBOL Deve

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Contract

35 - 46

Mainframe Business Analyst

Remote

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3d ago

<>Mainframe Business Analyst Candidates must be local to the Detroit, MI, area to be considered for submission. C2C sub-vending is allowed. The interview process will consist of 1 on-site interview.Introduction: The Mainframe Business Analyst will play a crucial role in supporting enterprise business applications within mainframe-supported environments. This is not a developer role, but rather a key position in translating business needs into functional requirements and delivery plans. Responsib

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Third Party, Contract

Depends on Experience

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