1

Mainframes Developer Jobs in Philadelphia, PA (NOW HIRING)

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location: Wilmington, Delaware (Onsite) Job Type: Contract Responsibilities: Primary Skill: VSAM, COBOL, DevOps * Design, code, test, and maintain mainframe applications using ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer - Day 1 Onsite Location: Wilmington, DE & Jersey City, NJ (Weekly 5 days office is Must) Duration: 12+ Months Contract Skills: COBOL, JCL, CICS, IMS DB, VSAM Key Responsibilities ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location : Wilmington DE Job Type: Contract/W2 Experience: 8+ Years Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile methodologies ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location : Wilmington DE Job Type: W-2/Full Time Required Skills: • Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

Mainframe Developer

Malvern, PA · On-site

$48 - $61.75/hr

Our client is currently seeking a Mainframe Developer 1+ Year Contract Opportunity Malvern, PA (hybrid--onsite Tuesdays, Wednesdays, and Thursdays) Responsibilities Design, develop, maintain, and ...

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer - IMS and CICS Location : Wilmington, DE Onsite - Relocation from nearby states only Duration : Long term contract Required Skills: * Programming Languages: Strong proficiency in ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Wilmington DE Experience: 8+ Years All over USA Mandatory Skills- * COBOL, MQ, JCL, DB2, CICS, VSAM * Working on enterprise-wide applications, Agile methodologies Process Skills:

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Job Title: Mainframe Developer Location : Wilmington DE Experience - 8+ - 5 Days Onsite MF JD: Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

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 ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Wilmington, DE (Day 1 Onsite) Contract Job Requirements: * Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that ...

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe IMS DB Developer Job Location: Wilmington, DE Work Mode: 5 Days Onsite Required qualifications, capabilities, and skills. Hands-on practical experience in system design, application ...

Mainframe Programmer Location: Pennington, NJ Duration: 1 year Type: Contract jobs Estimated Duration: Long Term Contract Interview: Phone following to in-person. Onsite: On location at the Client ...

next page

Showing results 1-20

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 Jul 21, 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.

Are mainframe engineers in demand?

Mainframes developers are in steady demand due to the continued use of mainframe systems in industries like finance, government, and healthcare. They require specialized skills in COBOL, JCL, and mainframe environments, and demand often depends on the organization's reliance on legacy systems. While some companies are transitioning to newer technologies, mainframe expertise remains valuable for maintaining critical infrastructure.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in COBOL, JCL, and mainframe environments tend to earn higher salaries, especially in industries like finance and government. Salaries may also vary based on the complexity of projects and the employer's size.

Is mainframe developer a good career?

Mainframe developers work with large-scale computer systems used by many organizations for critical applications. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. As demand persists in industries such as finance and government, it can be a solid career choice for those with relevant skills and certifications.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers focus on maintaining and optimizing these systems, often integrating AI tools to enhance performance but not replacing the hardware or fundamental role of mainframes in data processing. Skills in legacy systems, programming languages like COBOL, and system security remain essential for mainframe professionals.

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 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:
Infographic showing various Mainframes Developer job openings in Philadelphia, PA as of July 2026, with employment types broken down into 46% Full Time, and 54% Contract. Highlights an 86% In-person, 2% Hybrid, and 12% Remote job distribution, with an average salary of $112,861 per year, or $54.3 per hour.
Data Developer (Mainframe)

Data Developer (Mainframe)

Inteletech Global, Inc.

Malvern, PA • On-site

$48 - $61.75/hr

Other

Re-posted 18 days ago


Job description

Job Title: Data Developer (Mainframe)
Location: Malvern, PA (Hybrid and Local candidates required)
Visa: GC, USC or H4 EAD
Job Description:

Responsibilities
A Mainframe Developer required in developing and maintaining applications on mainframe systems, typically using languages like COBOL, JCL, and CICS.
Strong knowledge of DB2. What are the key responsibilities of a Mainframe Developer in Defect Squad
Key responsibilities will include coding, testing, debugging, and maintaining mainframe applications, resolving data defects as well as collaborating with other product teams to ensure system performance.
Qualifications:
Skills required include proficiency in COBOL, JCL, CICS, DB2, problem-solving abilities, and experience with mainframe tools and utilities.
Creating high-performance, mission-critical applications Analyzing user requirements and developing software solutions
Ensuring software applications meet all performance and security requirements
Working with other developers to create high-performance, scalable applications
Researching new technologies and software development trends Providing technical support and troubleshooting
Writing technical documentation