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Mainframe Developer Jobs in Philadelphia, PA (NOW HIRING)

Mainframe Developer

Trenton, NJ · On-site

$49.25 - $63.25/hr

Cobol, CICS, testing, debugging, IBS OS/JCL, DB2, IDMS to DB2, Experience with Information Builders FOCUS We are looking for a Mainframe Developer to support the design, development, testing ...

New

Mainframe Developer

Trenton, NJ · On-site

$49.25 - $63.25/hr

Cobol, CICS, testing, debugging, IBS OS/JCL, DB2, IDMS to DB2, Experience with Information Builders FOCUS We are looking for a Mainframe Developer to support the design, development, testing ...

New

Mainframe Developer

Trenton, NJ · On-site

$49.25 - $63.25/hr

MAINFRAME DEVELOPER CONTRACT DURATION: UP TO 3 MONTHS CONTRACT WITH POSSIBLE EXTENSION LOCATION: TRENTON, NJ 08625 (2 DAYS IN OFFICE REQUIRED) CONTRACTOR WILL BE RESPONSIBLE FOR ANALYSIS, DESIGN ...

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 ...

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd Wilmington, DE 19803 Years of experience required: 8+ Develops and implements solutions that address ...

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd Wilmington, DE 19803 Years of experience required: 8+ · Develops and implements solutions that address ...

Mainframe Developer w/AWS

Malvern, PA · On-site

$48 - $61.75/hr

InterSources Inc is seeking a highly experienced Senior Mainframe Migration Engineer to join their team dedicated to modernizing client legacy applications. The role involves migrating core data and ...

Showing results 21-40

Mainframe Developer information

See Philadelphia, PA salary details

$10

$53

$73

How much do mainframe developer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for mainframe developer in Philadelphia, PA is $53.86, according to ZipRecruiter salary data. Most workers in this role earn between $47.55 and $61.11 per hour, depending on experience, location, and employer.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges mainframe developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

Is a mainframe developer a good career?

A mainframe developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

What is a mainframe developer?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

What are the key skills and qualifications needed to thrive as a mainframe developer?

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.

What are the most commonly searched types of Mainframe Developer jobs in Philadelphia, PA?

The most popular types of Mainframe Developer jobs in Philadelphia, PA are:

What are popular job titles related to Mainframe Developer jobs in Philadelphia, PA?

For Mainframe Developer jobs in Philadelphia, PA, the most frequently searched job titles are:

What job categories do people searching Mainframe Developer jobs in Philadelphia, PA look for?

The top searched job categories for Mainframe Developer jobs in Philadelphia, PA are:

What cities near Philadelphia, PA are hiring for Mainframe Developer jobs?

Cities near Philadelphia, PA with the most Mainframe Developer job openings:

Infographic showing various Mainframe 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 $112,035 per year, or $53.9 per hour.

Mainframe Developer (CICS + IMS)

Siri InfoSolutions Inc

Wilmington, DE • On-site

$47.50 - $61.25/hr

Contractor

Re-posted 21 hours ago


Job description

Mainframe Developer (CICS + IMS)

Location – Wilmington, DE

Long Term Contract

Key Responsibilities:

  • Design, develop, test, and maintain mainframe applications.
  • Work on batch and online processing systems using COBOL, JCL, IMS, and CICS.
  • Analyze business requirements and translate them into technical solutions.
  • Perform debugging, troubleshooting, and performance tuning of applications.
  • Collaborate with cross-functional teams to ensure seamless system integration.
  • Support production systems and resolve issues within defined SLAs.

Required Skills:

  • Strong proficiency in COBOL programming.
  • In-depth knowledge of z/OS operating system.
  • Expertise in IMS database concepts, including IMS/DB and IMS/DC.
  • Thorough understanding of CICS functionalities and programming interfaces.
  • Hands-on experience with JCL (Job Control Language) for batch processing.
  • Basic understanding of mainframe system administration, including dataset management and security.

Preferred Qualifications:

  • Experience in legacy system modernization or migration projects.
  • Familiarity with debugging and performance optimization tools.
  • Strong analytical and problem-solving skills.
  • Good communication and teamwork abilities.

Siri Infosolutions logo

About Siri Infosolutions

Sourced by ZipRecruiter

Our team of experts first gather each and every requirement of yours. Our research and development team then sit around those requirements and come up with a plan. Our implementation team then executes that plan for optimal results. After that our support team remains in constant touch with you during and after the entire process.

Industry

It services

Company size

201 - 500 Employees

Headquarters location

Edison, NJ, US

Year founded

2005