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Mainframes Developer Jobs in Philadelphia, PA (NOW HIRING)

2T Consulting

Mainframe Assembler Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

New

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops and implements solutions that address complex business challenges, enhancing the ability to make ...

Centstone

Mainframe IMS & CICS Developer

Wilmington, DE · On-site

$45 - $55/hr

Mainframe IMS & CICS Developer Location: Wilmington, DE (100% Onsite - 5 Days/Week) Pay Rate: $45-$50/Hour (C2C) Contract: Contract Schedule: Monday-Friday | Onsite Experience: 10+ Years About the ...

InfiCare

Mainframe IMS and CICS Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe IMS and CICS Developer Location: Wilmington, DE (Onsite) Job Type: 12+ Month Contract Experience: 10+ years Job Overview: We are seeking an experienced Mainframe IMS and CICS Developer to ...

Infosys Limited Digital

Mainframe Developer

Pennington, NJ · On-site

$49.50 - $63.50/hr

Required Skill and Experience • Experience in Mainframe technologies. • Experience in software design and development using Mainframe using COBOL, CICS, JCL, COBOL • Experience in DB2 and VSAM ...

Synapse Tech Services Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

IBM Assembler (HLASM) Programming * IBM z/OS * Mainframe Application Development * SDLC * Debugging & Troubleshooting * Mainframe Performance Tuning * Technical Documentation * Mainframe System ...

Centstone

Mainframe Assembler

Wilmington, DE · On-site

$45 - $55/hr

Mainframe Assembler Location: Wilmington, Delaware Pay Rate: $45-$55/hr Contract: Long-Term ... The ideal candidate will have strong expertise in IBM Assembler programming, z/OS, and the Software ...

Symphony Enterprises

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

Wilmington, DE (5 Days Onsite) Experience: 10+ Years Short We are looking for an experienced Mainframe Assembler Developer with 10+ years of hands-on experience in IBM Assembler programming. The ...

Prophecy Technologies

Mainframe CICS Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

This role requires a skilled Mainframe CICS Developer with strong hands-on experience in CICS and MQ. Key Responsibilities: * Design, code, and unit test software on a predefined schedule using ...

Compunnel

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

... CICS Developer to develop, maintain, and support enterprise mainframe applications. The ideal candidate will have strong expertise in COBOL, IMS/DB, IMS/DC, CICS, JCL, and IBM z/OS. This role ...

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Showing results 41-60

All JobsMainframes Developer JobsMainframes Developer Jobs in Philadelphia, PA

Mainframes Developer information

See Philadelphia, PA salary details

$48.4K

$112.9K

$167.5K

How much do mainframes developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for mainframes developer in Philadelphia, PA is $112,861.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,800.00 and $131,200.00 per year, depending on experience, location, and employer.

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What are popular job titles related to Mainframes Developer jobs in Philadelphia, PA? For Mainframes Developer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in Philadelphia, PA look for? The top searched job categories for Mainframes Developer jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Mainframes Developer jobs? Cities near Philadelphia, PA with the most Mainframes Developer job openings:
Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 75% Full Time, 9% Part Time, 1% Temporary, and 15% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $112,861 per year, or $54.3 per hour.

Mainframe Developer(Need local only)

LANDMARKIT LLC

Wilmington, DE • On-site

$47.50 - $61/hr

Other

Posted 4 days 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 like data set management and security

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