Mainframe Developer
JConnect Infotech
Mainframe DeveloperDesign, develop, enhance, and support mainframe applications, ensuring stability and performance of legacy systems that support critical business functions.• Perform application enhancements, maintenance, and defect fixes across mainframe codebases.• Develop, maintain, and support batch jobs and online programs, ensuring reliable execution and timely processing.• Work hands on with core mainframe technologies such as COBOL, JCL, and mainframe utilities.• Analyze existing programs and perform impact assessments for enhancements and fixes.• Support batch scheduling, job execution, and restart/recovery scenarios.• Participate in testing activities, including unit testing, system testing, and support for UAT.• Debug and resolve production and non production issues related to batch and online processing.• Ensure applications meet performance, reliability, and security standards expected in enterprise environments.• Maintain and update technical documentation, including program logic, job flows, and system dependencies.• Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.• Support application modernization or migration initiatives when required.• Follow established change management, release, and incident management processes.• Work effectively in an Agile or hybrid Agile Waterfall delivery model, depending on program needs.• Ensure high quality delivery with minimal disruption to business operations.Responsibilities:• Develop and enhance mainframe applications using COBOL and supporting technologies.• Create, modify, and maintain JCL scripts for batch processing.• Support online and batch job execution, monitoring, and troubleshooting.• Perform defect analysis and fixes across development, test, and production environments.• Participate in testing cycles, ensuring fixes and enhancements meet functional requirements.• Maintain technical and operational documentation for programs and batch processes.• Collaborate with cross functional teams including QA, business users, and operations.• Support production releases and post deployment stabilization.• Participate in code reviews and adhere to mainframe coding standards.• Assist with audits, compliance activities, and documentation requests for regulated systems.• Provide knowledge transfer and support for junior team members when required.
- ...years of experience required in the following areas: IBM Mainrame experience JCL DB2 Strong SQL Skills Experience in developing Stored procedures Strong Assembler programming / debugging skills COBOL programming language PL/1 Programming LAnguage...Mainframe
- ...Mainframe DeveloperDevelop and maintain mainframe applications using COBOL to support business processes.Design, write, and optimize JCL... ...storage, retrieval, query optimization, and performance tuning.Develop and support CICS online programs for realtime transaction processing...Mainframe
- ...Role: Mainframe Developer Locations:- Irving, TX / Hopkins, MN / Brookfield, WI / Chicago, IL / Atlanta, GA / Charlotte, NC (On-site) Notes: full-time and contract both. Brookfield, WI and Chicago, IL are preferred locations for client though...MainframeFull timeContract work
- ...Mainframe Developer Location: Chicago, IL - 100% Onsite Duration: 6 months (contract) Experience Required: 8 10+ years Position Overview We are seeking an experienced Mainframe Developer to design, develop, maintain, and enhance applications...MainframeContract work
$90k - $96.67k
...Bloomington, IL Job Description Job Description Experience with Mainframe technologies (Mainly PL/1, IMSDB, DB2, JCL) etc. Very good... ...of Health Insurance (Not Group Health Insurance) Design/Develop/Support Health Applications using Mainframe technologies...MainframeFull timeLocal area- ...Capgemini is seeking a Senior Legacy Modernization (Mainframe) leader to design and oversee updating and improving existing applications to align with modern technologies, including cloud migration, infrastructure upgrades, and code refactoring. The ideal candidate has...Mainframe
- ...Sr Mainframe Pl/1 Developer - Full Time Perm JobE*Pro Consulting service offerings include contingent Staff Augmentation of IT professionals, Permanent Recruiting and Temp-to-Hire. In addition, our industry expertise and knowledge within financial services, insurance,...MainframePermanent employmentFull timeTemporary work
- ...Java Microservices DeveloperWork Location: Chicago IL 60604 Contract duration (in months): 12 Detailed Job Description:Develop and maintain mainframe applications using COBOL to support business processes.Design, write, and optimize JCL jobs for batch processing and scheduling...MainframeContract work
- ...Analyst responsible for L2 production support for Fund Accounting and US Transfer Agency applications. The position requires strong mainframe skills (JCL, COBOL, DB2, VSAM) and the ability to troubleshoot issues across multiple technologies. The analyst will work closely...MainframeNight shift3 days per week
- A leading technology consulting firm is seeking a highly experienced Java Developer with over 8 years in Java and 3-5 years in MS-SQL. This role focuses on integrating legacy systems using Cobol, DB2, and JCL within a DevOps environment. Requirements include proficiency...MainframeRemote job
- ...Senior Vice President, Mainframe DB2 or IMS Systems Programmer About the Company Large enterprise needing expert DB2 mainframe systems support and 24x7 coverage. Industry Financial Services Type Privately Held About the Role The Company is seeking...MainframeWork experience placementWeekend work
- ...ETL Developer Job Position: ETL Developer (SSIS & SQL) Location: 300 S Riverside Plaza (Travel to Beloit, Wisconsin 10-20%, Chicago... ...some ERP Master data conversion specially from iSeries / IBM Mainframe flat files as source to SQL Server tables Experience with...MainframeContract workWork at officeImmediate start
$119.77k - $140.9k
...principles.Essential Responsibilities:Consistently writes production-ready code that is easily testable, easily understood by other developers and accounts for edge cases and errors.Consistently considers best practice when designing services/APIs in accordance to agreed...MainframeFull timeWork at officeLocal areaRemote workFlexible hours3 days per week$90k - $118.67k
...sustainable, more inclusive world. Location: Dearborn, MI Job Description Job Summary We are seeking an experienced Mainframe/COBOL Developer to support a critical legacy insurance platform (CPS) and assist with data preparation activities for migration to Google...MainframeFull timeLocal area- ...features. Access Global Group is seeking an experienced Java Developer with Cobol, DB2, JCL experience, to join our delivery team. TERMS... ...Java technologies, relational databases, and familiarity with mainframe integration. The role also requires proficiency in modern...MainframeRemote jobFull timeWork at officeWork visa
- ...Job Title: Sr Mainframe Programmer Location: Brookfield, WI Richfield, MN Chicago, IL Irving, TX Atlanta, GA(Hybrid) Job Requirements: - Resource should be hands on in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL - Having knowledge in GIT and IDZ...Mainframe
$85k - $148k
...Senior Mainframe Systems Programmer – AutomationRemote - United StatesJR012893 Position Summary As part of Mainframe Automation, this position will be part of a team focused on accelerating the design and performance of our development of automation, integration into...MainframeFull timeTemporary workRemote workWork from homeFlexible hours- ...Z/OS System Programmer /Mainframe System ProgrammerImmediate need for a talented z/OS System Programmer /Mainframe System Programmer. This is a 12+ months contract opportunity with long-term potential and is located in Saint Louis MO (Remote).Key Responsibilities:System...MainframeContract workRemote work
- ...Job description Below Design and develop, test and maintain complex application software within Hogan Banking Systems Sound... ...and Production stabilization Sound knowledge on Mainframe COBOL, JCL, IMS, DB2 & CICS Excellent knowledge on Banking...Mainframe
- ...Job Title: Mainframe Programmer Duration- Fulltime Permanent Location: Chicago, IL (Onsite From Day 1) Job Description... ...opportunities to fine-tune and optimize applications of developed projects and recommend technical solutions • Demonstrate solid...MainframePermanent employmentFull time
- ...Chandran KRG Technologies Inc (***) ***-**** EXT 405 Job Description · Configuration and administration of IBM z/OS mainframe network software. · Configuration and administration of network related 3rd party system software. · Provision of technical...MainframeFull timeLocal area
- A leading technology firm is looking for a Senior Mainframe Systems Programmer to provide Automation support in a remote capacity. The role involves developing and implementing Automation rules and requires hands-on experience with z/OS and related technologies. The ideal...MainframeRemote work
- ...Customer 1 with Mainframe Development Remote Job Description :: Hands on experience (# C/1 skill) -SME Domain: CSS supplier services (#2 skill) Get requirements from customer, Get description done based on requirements, must be able to...MainframeRemote work
- ...Months Northern Trust uses, Xact/Xnet or CMOD (CMOD is a similar product, so they would be open to someone with that experience) that comes from a systems/support type background. They are looking for someone who has worked in windows, linux, and mainframe environments.MainframeRemote work
- ...Location & Reporting AddressChicago, IL 60604Vendor Rate***/hr***Contract duration12Target Start Date06 Aug 2026Job Details:Develop and maintain mainframe applications using COBOL to support business processes.Design, write, and optimize JCL jobs for batch processing and...MainframeContract work
- ...Hands on 5 years of experience on DB2 Administration in Mainframe environment. Experience in DB2 Database Administration, Database... ...lifecycle. Analyzing and Resolving DB2 related issues. Working with developers and ETL team to improve their LOAD performance....Mainframe
- ...Capgemini is seeking a Senior Legacy Modernization (Mainframe) leader to design and oversee modernization of legacy applications, including cloud migrations, infrastructure upgrades, and code refactoring. The ideal candidate has presales and GTM experience plus strong...Mainframe
- Ensono is seeking a Senior Manager, Solution Architecture to lead complex mainframe solution design and delivery for existing clients and new logos. You will drive modernization efforts, align with business objectives, and guide cross-functional teams on architecture decisions...Mainframe
- ...Analyst in Chicago to provide L2 production support for Fund Accounting and US Transfer Agency applications. The role requires strong mainframe skills (JCL, COBOL, DB2, VSAM) and the ability to troubleshoot across multiple technologies. You will collaborate with global...Mainframe
- ...Demonstrated experience performing reverse engineering custom applications. Well versed with DevSecOps practices Strong experience with wide array of technologies i.e. Mainframe based systems, Client server systems (.Net and J2EE), Security, Cloud etc...Mainframe
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