Entry Level Mainframe Developer jobs in Philadephia, PA

Wilmington, Delaware

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Today

Job Title: Senior Mainframe Developer Experience: 10+ Years Location: Wilmington, DE RTTO 5 Days Onsite Mandatory Skills - CICS, DB2, IBM MQ, VSAM, JCL, CA7, Changeman and IBMMainframeUtilities along with problem solving skills when there is an issue (Production support) Job Description: Solid Hands-on experience in IBM-Z/OS COBOL, CICS, DB2, IMS, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe Utilities Strong Analytical and debugging skills and experience in developing, debugging, and

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Full-time

Depends on Experience

Mainframe Developer plus L3 Support

Wilmington, Delaware

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5d ago

Job Title: Mainframe Developer plus L3 Support Experience: 10+ Years Salary : $120K per Annum Fulltime Location: Wilmington, DE RTTO 5 Days Onsite Required qualifications, capabilities, and skills: Hands-on practical experience in system design, application development, testing, and operational stability Proficient in coding in one or more languages. Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and da

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Contract

Depends on Experience

New Grad Engineer I - Summer 2027

Philadelphia, Pennsylvania

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Today

What We're Looking For At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners. This opportunity entails being responsible for assisting in the production and modification of design calculations, technical reports, eng

Full-time

Cobol Mainframe Developer (Remote)

Remote or Hybrid

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Today

Cobol Mainframe Developer Needed. Remote. Contract to Hire. Experience Needed: Recent Mainframe development experience. COBOL. JCL. CICS. DB2. SQL. MQ. Xpeditor. Endevor or a similar source control application. Healthcare experience in either claim adjudication, payment, banking or electronic funds transfer desired but not required. Dexian stands at the forefront of Talent + Technology solutions with a presence spanning more than 70 locations worldwide and a team exceeding 10,000 professionals.

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Full-time, Contract, Third Party

$50 - $60 per hour

Mainframe Developer

Remote

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Today

On of our clients is looking for the position of Mainframe Developer based on following 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. Mainframe Developer - Composite Reservoir Accounts Office of the State Treasurer Build a new pooled-account structure inside a running z/OS core, without disturbing the balances already on it. About The Role We are adding new composi

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Contract

Depends on Experience

Mainframe Developer - Composite Reservoir Accounts

Remote

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3d ago

DPP is seeking a Mainframe Developer for an opportunity with our client in Columbia, SC. Work Location: Fully remote Duration: 6 months with possibility of extension Terms: W2 Contract Candidate Location: Must be comfortable working Eastern Time Zone hours Responsibilities: Analyze the current account master, posting, and balance-maintenance programs to establish where composite reservoir accounts must be recognized, and document what you find.Design and code the new account type end to end:

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Contract

Depends on Experience

Mainframe Developer - Composite Reservoir Accounts

Remote

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Today

Title: Mainframe Developer - Composite Reservoir Accounts Work Location: 100% Remote Duration: 6 Months Possibility for Extension: Yes, if the project needs warrant an extension Candidate location: No SC residency required. Candidate must reside in lower 48 states (Continental US) and comfortable working EST time zone hours. Build a new pooled-account structure inside a running z/OS core, without disturbing the balances already on it. About The Role We are adding new composite reservoir accounts

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Contract, Third Party

$80

Mainframe Application Developer

Remote

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2d ago

Title: Mainframe Application Developer Location: 100% Remote Duration: 12 Months Contract. Note: Required State Client or Federal domain experience required. Following skills are strongly Requred: Accounting knowledge - Must Payroll knowledge - Msut VSAM experience - Must Required Skills: Create DW tables and views in SQL server database (approximately 490 tables, 1720 views).Create conversion process to convert and load existing DB2 tables to the new SQL server tables.Accounting knowledgePayro

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Contract

Depends on Experience

Senior Mainframe Developer

Wilmington, Delaware

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13d ago

Mandatory Skills - CICS, DB2, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe Utilities along with problem solving skills when there is an issue (Production support) Job Description: Solid Hands-on experience in IBM-Z/OS COBOL, CICS, DB2, IMS, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe UtilitiesStrong Analytical and debugging skills and experience in developing, debugging, and maintaining code in a large corporate environmentOverall knowledge of the Software Development Life Cycle,

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Full-time

$100,000 - $110,000

Mainframe Developer with IMS, CICS and Production

Wilmington, Delaware

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3d ago

Job Description Required Skills: Programming Languages: Strong proficiency in COBOL Mainframe Operating Systems: In-depth knowledge of z/OS Database Technologies: Expertise in IMS database concepts including IMS/DB and IMS/DC Transaction Processing: Thorough understanding of CICS functionalities and programming interfaces Job Control Language (JCL): Ability to write and manage JCL scripts for batch processing System Administration: Basic understanding of mainframe system administration tasks lik

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Full-time

$100,000 - $120,000

Mainframe Developer (Natural)

Remote

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7d ago

We are seeking a Mainframe Developer who will design, develop, test, and support enhancements to existing mainframe applications. The role is primarily hands-on development with COBOL, Natural, JCL, and databases such as ADABAS and DB2 (Oracle familiarity is a plus). The ideal candidate is a subject matter expert using Natural programming languages with recent relevant experience. They will be asked to translate business requirements into practical technical solutions, produces clear documentati

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Full-time

Depends on Experience

Super Day - Software Engineer, New Grad

Philadelphia, Pennsylvania

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Today

About Us: Perpay is a certified B Corp and Philadelphia's most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the premier financial partner for consumers with subprime credit. With over 500,000 customers who have utilized more than $1 billion in spendin

Full-time

IBM Mainframe Developer

Remote

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4d ago

IBM Mainframe Develoepr Remote- EST hours _USA The role focuses on IBM z/OS mainframe systems programming, software installation and maintenance using SMP/E, mainframe storage infrastructure, and technologies such as DB2, USS, Zowe, and z/OSMF. Key Requirements:5+ years of experience in IBM z/OS mainframe systems programming.Experience with USS, Zowe, and z/OSMF.Mainframe storage infrastructure experience.Hands-on experience installing, customizing, and deploying mainframe server software using

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Contract, Third Party

55 - 70

Mainframe Developer

Remote

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Today

Job Title: Mainframe Developer Location: North Dakota (Remote) Duration: 12 months+ Job Description: We are seeking an experienced Mainframe Application Developer to support enterprise-level applications in a large-scale mainframe environment. The ideal candidate will have strong experience with COBOL, Natural, JCL, ADABAS, and DB2, along with the ability to analyze business requirements, develop and maintain applications, perform testing, troubleshoot production issues, and create technical do

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Full-time, Third Party

Depends on Experience

Developer - Mainframe

Hybrid in Trenton, New Jersey

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Today

Job Title: Developer - Mainframe Job ID: 26-04242 Location: Trenton, NJ (Hybrid: 3 days in-office, 2 days remote) Duration: 6 months of contract Job Description: Contractor will be responsible for analysis, design, coding, component & assembly testing of all application code owned by the Application Team Contractor will be involved in maintenance (including production support) Note: Hybrid position requiring local candidate to work Onsite 2X / week 4-year college degree or equivalent technic

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Contract

$50 - $57

Cyberlife Mainframe COBOL Application Developer

Remote

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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 Developer – COBOL / NaturalOne / Adabas

Remote

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3d ago

14311 - IT - STO - Programmer - Advanced - Mainframe Developer - Composite Reservoir Accounts Location - Columbia SC (100% Remote) Duration - 6 Months Start date - 1 Dec 2026 Last Date of submission - 6 Nov 2026 The State of South Carolina is looking for a Programmer - Advanced - Mainframe Developer - Composite Reservoir Accounts Why is this position open: New position to assist with incremental development to existing system. Candidate location: No SC residency required. Candidate must reside i

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Third Party, Contract

60 - 90

Mainframe Developer

Remote

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7d ago

Role: Mainframe Developer Location: Remote REQUIRED SKILLS (RANK IN ORDER OF IMPORTANCE): 4+ years of experience with Mainframe 4+ years of experience with MVS Cobol 4+ years of experience with JCL 4+ years of experience with Software Testing 4+ years of experience with Creation of Test Scenarios Soft skills Required: Effective Communication Skills (written and oral), Adaptability, Flexibility, Self-motivation, Problem Solving, Analytical Thinking, Time Management, Ability to work effecti

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Contract

Depends on Experience

Mainframe Developer

Remote

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Today

Mainframe Developer 3-month Contract Hybrid Little Rock, AR 3-month contract - Based in Little Rock, Arkansas. Job Description Instructs the design and development of IT applications and software programs, ensuring they meet internal quality and reliability standards. Achieves project milestones by effectively planning, coordinating, and executing complex software development initiatives with a high level of precision and efficiency. Applies master-level knowledge of programming languages and

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Contract

Depends on Experience

Mainframe Developer (ZOS,NaturalOne, JCL, Adabas, VSAM) - remote - Long Term - W2 role

Remote

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Today

Role: Mainframe Developer Location: 100% Remote Duration: Long-Term Employment Type: W2 Required Skills: 5+ years of Enterprise COBOL development on z/OS 5+ years of NaturalOne experience Strong experience with JCL, Adabas, and VSAM Financial/Accounting systems experience, including double-entry posting, reconciliation, accruals, and month-end closing Experience with production support, batch processing, and legacy code analysis Preferred: CA-7, REXX, Python/Java, Cash Management, and Treasury a

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Contract

Depends on Experience

Entry Level Mainframe Developer jobs in Philadelphia, PA, USA