Mainframe Developer jobs in Boston, MA

Remote

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4d ago

We are seeking an experienced Enterprise COBOL / NaturalOne Developer with strong hands-on expertise in mainframe development, z/OS, JCL, Natural, and Adabas. The ideal candidate will have experience supporting and enhancing enterprise financial and accounting systems, analyzing complex legacy applications, and maintaining mission-critical batch and online processes in a regulated environment. Required Skills & Qualifications 5+ years of hands-on experience in Enterprise COBOL development in a z

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Contract

Depends on Experience

Mainframe Developer - W2 - No Sponsorship

Remote

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28d ago

Job title: Sr Mainframe Developer - 60151 Role is remote Mandatory skills: COBOL, DB2, MQ, CICS Years of experience required: 8+ Required Skills & Experience Strong experience in Mainframe technologies, COBOL, JCL, DB2, VSAM, CICS and MQ for application development. Experience with Healthcare Claims Adjudication processes and a strong understanding of related business workflows and operations. Solid understanding of code migration and release management processes, including package creati

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Contract

Depends on Experience

Mainframe Developer - COBOL/Natural/Adabas

Remote or Columbia, South Carolina

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Today

This is a remote position. Mainframe Developer ? COBOL/Natural/Adabas Project Identifier SC Client South Carolina Agency State of South Carolina Location Remote (Role is 100% remote; 8:00 AM to 5:00 PM) 1200 Senate St, Columbia, South Carolina, USA, 29201. No SC residency required. Candidate must reside in lower 48 states (Continental US) and comfortable working EST time zone hours. Contract Duration 6 Months Interview Type 1-2 rounds of Virtual Interviews Visa Requirements The candidate will h

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Full-time, Third Party

120000

Mainframe Developer (COBOL, NATURAL Must be Local to NJ

Remote

•

Today

Hello, Zenosys is looking Mainframe Developer (COBOL, NATURAL client Trenton, NJ If you are available and interested in the below opportunity, please send me updated resume. Thanks Job Title Mainframe Developer (COBOL, NATURAL Location- Trenton, NJ Hybrid) Duration 12+ Months Contracts Highly Chance to Extend Must List Current City and State in Resume/Submittal. Failure to do so will result in candidates being rejected. If you are interested, please provide the following details along with th

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Contract, Third Party

Depends on Experience

Senior Mainframe Developer - Enterprise COBOL, NaturalOne & Financial Systems - REMOTE (W2 ONLY)

Remote

•

Yesterday

Job Description: Only W2 resumes are accepted Work Location: 100% Remote Candidate location: No SC residency required. Candidate must reside in lower 48 states (Continental US) and comfortable working EST time zone hours. We are adding new composite reservoir accounts to our existing mainframe accounting platform: a pooled account structure in which balances from multiple subsidiary accounts are concentrated into, and drawn back from, a single reservoir account under defined sweep and allocation

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Contract

Depends on Experience

Cyberlife Mainframe COBOL Application Developer

Remote

•

Today

Responsibilities include: Development and maintenance of COBOL programs supporting life insurance systemsWorking with CyberLife (or similar life insurance platforms) for policy, billing, and claims processingDebugging, performance tuning, and production supportCollaborating with business analysts and QA on requirements and testingRequired experience: Strong COBOL development experience in a mainframe environment (z/OS)Background in life insurance systems, highly preferred CyberLifeExperience wit

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Contract, Third Party

Depends on Experience

Mainframe COBOL FIS Developer

Remote

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15d ago

Mainframe COBOL FIS Developer Fully REMOTE Initial 6 month contract with extensions Compensation: $64/hr-$71/hr Basic Purpose: To support software development organizational initiatives by designing and implementing new, ormodifying existing, systems/applications. MAJOR RESPONSIBILITIES 1. Identifies, analyzes, designs, and maintains cost-effective information technology solutions that align with business initiatives and corporate strategiesWorks with customers (business units) to identify bu

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Contract

$64 - $71

Financial Systems Mainframe Analyst / Developer

Remote

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4d ago

In this role, you will lead the implementation of new Composite Reservoir Accounts within an established z/OS core platform, working directly with Enterprise COBOL, NaturalOne, Adabas, and JCL. Key Details: Role/Title:Mainframe Developer Location: 100% Remote (Lower 48 US States, EST hours) Duration: Long Term This is a high-impact public sector mission where accuracy, clear auditability, and legacy system knowledge are key.Are you open to discussing this opportunity this week? Please re

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Contract, Third Party

Depends on Experience

Mainframe COBOL Developer (Remote)

Remote

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4d ago

Hansen Talent Group is seeking an experienced Mainframe COBOL Developer to support complex application development, enhancements, and troubleshooting for healthcare claims adjudication systems. The Mainframe COBOL Developer will analyze business requirements, develop technical solutions, and maintain critical mainframe applications. Duties: Design, develop, test, and maintain mainframe applications using COBOL, TSO, and JCL. Troubleshoot production issues and implement application enhancements.

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Full-time, Third Party

$50.35

Mainframe Engineer with DevOps

Remote

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14d ago

Job Title: Mainframe Engineer with DevOps Location : Remote Role Type: Contract Project Duration : 18+ Months Core Responsibilities Lead and support Endevor (and other SCM) Git/DBB/IDD migration projects across enterprise z/OS environments. Architect and implement DevOps pipelines using Git, DBB, IDD, Wazi Deploy, and modern CI/CD platforms. Perform installation, configuration, and problem determination for DBB, Git, IDD, and Wazi on z/OS and USS. Analyze, convert, validate, and troubleshoot En

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Contract

60 - 65

Mainframe System Engineer

Remote

•

Today

Mainframe System Engineer Location: Remote Duration: 3 Months Contract (Strong Extension Or Conversion Possibility) Job Description: Must-have skills: JCL, CICS, TSO, ISPF, COBOL. Preferred: Systematics (IM/IMPACS, ST/Savings Time). Core deposit banking experience is key. Key Responsibilities: Provide advanced production support for primarily IM, ST, and additional Deposits applications Lead troubleshooting and resolution of complex production incidents and processing issues. Support batch

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Third Party, Contract

Depends on Experience

Mainframe QA Manager

Remote

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8d ago

Senior Manager QA Engineer - Mainframe ModernizationLocation: Remote Experience: 12-15 years Tech Stack: Mainframe (COBOL, IMS, DB2, JCL, VSAM, CICS), AWS, Go, Python, AI-Assisted Testing Role OverviewWe are looking for a senior manager QA Engineer with hands-on mainframe (MF) knowledge across COBOL, IMS, and DB2 to validate our mainframe-to-AWS modernization program. This role has two parts that carry equal weight: understanding how the legacy platform behaves today well enough to define what "

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Full-time

Depends on Experience

Senior Mainframe Systems Programmer

Remote

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Today

Skills Must haveThis candidate must have at least 10 years of Mainframe systems programmer experience.Candidate must have a strong background in analyzing, documenting, installing, developing and maintaining operating system software including utility software and system software languages while providing technical support to users concerning system software and utilities.Experience with managing mainframe outsourcing agreements and managed service providers to include development of SOWs.Proven

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Third Party, Contract

$70 - $75

Sr. Mainframe Programmer

Remote

•

Today

Skills Must haveThis candidate must have at least 10 years of systems programmer experience.Candidate must have a strong background in analyzing, documenting, installing, developing and maintaining operating system software including utility software and system software languages while providing technical support to users concerning system software and utilities.Experience with managing mainframe outsourcing agreements and managed service providers to include development of SOWs.Proven track rec

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Contract, Third Party

$65 - $70

Mainrame Cobol Developer

Remote

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Today

Position: Mainframe Developer Location: 100% Remote Work Position Overview The developer will work with an established legacy mainframe environment, analyzing existing Enterprise COBOL programs and extending account management, transaction posting, balance maintenance, sweep processing, interest allocation, reconciliation, and reporting capabilities. The ideal candidate will have strong hands-on experience with Enterprise COBOL, NaturalOne, Natural, Adabas, VSAM, JCL, and financial accounting s

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Contract

Depends on Experience

Senior Mainframe Automation Engineer - Zos

Remote

•

Yesterday

Job Title: Senior Mainframe Automation Engineer / Systems Programmer Location: Remote / Hybrid / On-site Experience Level: Senior Level (7+ years) Position Overview We are seeking an experienced Mainframe Automation Engineer / Systems Programmer to design, implement, and maintain high-availability automation solutions across our enterprise z/OS environments. In this role, you will leverage tools such as IBM NetView for z/OS, IBM System Automation for z/OS (SA z/OS), CA OPS/MVS, and CA Automati

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Third Party, Contract

Depends on Experience

Software Developer - (IBM i/RPG)

Remote or Pennsylvania

•

Today

job summary: Title: Software Developer - (IBM i/RPG) Duration: 6 month w2 Contract with potential to extend Location: 100% remote Shift: M-F 8 am-5 pm EST We are looking for a Software Engineer with hands-on expertise in IBM iSeries (AS/400) to modernize RPG codebases, expose high-volume DB2 datasets to modern web applications, and implement DevOps engineering practices (CI/CD, automated testing, Agile) in a high-impact digital healthcare environment. For immediate review, email resume to

Full-time

USD40 - USD50

z/OS Systems Programmer (Direct Hire) - Remote

Remote

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Today

Role: z/OS Systems Programmer Location: Remote Type of Employment: Direct Hire Length of Contract: Permanent About the Role: We re seeking an experienced Mainframe Systems Programmer to lead engineering, operations, and planning for our IBM z/OS environment. This role involves ensuring system performance, reliability, and scalability while supporting critical infrastructure, storage, and disaster recovery operations. Key Responsibilities: Serve as the subject matter expert for IBM mainframe an

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Full-time

$125000 - $145000

Mainframe IMS Engineer / IMS System Programmer_ W2

Remote

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5d ago

Job Title: Mainframe IMS Engineer / IMS System Programmer Location: Remote US Experience: 1018+ years Job Description: Seeking an experienced Mainframe IMS Engineer to install, configure, maintain, and support IBM IMS Database (IMS DB) and IMS Transaction Manager (IMS TM) environments. The candidate will be responsible for IMS system programming, database administration, performance tuning, upgrades, backup and recovery, disaster recovery, and production incident resolution. Required Skills: St

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Full-time

Up to 65

Mainframe IMS Engineer

Remote

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5d ago

Job Description: Seeking an experienced Mainframe IMS Engineer / System Programmer with strong expertise in IBM IMS Database (IMS DB) and IMS Transaction Manager (IMS TM) administration, installation, configuration, maintenance, and performance tuning. The candidate will manage IMS environments, perform SYSGEN, SMP/E maintenance, database reorganization, backup and recovery, and disaster recovery testing. Strong knowledge of z/OS, JCL, DBRC, DBD, PSB, ACB, IMS Connect, and integration with DB2,

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Contract

Mainframe Developer jobs in Boston, MA, USA