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Mainframe Developer Jobs in Delaware (NOW HIRING)

Kaav Inc.

Mainframe Developer (COBOL/IMS/CICS)

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe Developer (COBOL/IMS/CICS) Location: Onsite - Wilmington, DE Duration: Long Term We are seeking an experienced Mainframe Developer with strong expertise in COBOL, IMS/DB, CICS, and JCL to ...

Galent

Senior mainframe developer

Wilmington, DE · On-site

Job title: Sr Mainframe Developer Role is onsite (5 days/wk) Client Location: Wilmington, DE Years of experience required: 8+ · Develops and implements solutions that address complex business ...

Kanak Elite Services Inc

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 ...

Diverse Lynx

Sr Mainframe Developer

Wilmington, DE · On-site

Sr Mainframe Developer We are looking for a candidate with 10 or more years of experience who is comfortable with an in-person interview. The candidate should have strong experience in MQ and IMS.

Edge Global

$47.50 - $61.25/hr

Mainframe Developer with IMS Background Location: Wilmington, DE Duration: Contract 100% Onsite (5 days in a Week) Mandatory Skill Set: COBOL, IMS, DB2,JCL,VSAM, CICS • 8 to 12 Yrs of experience in ...

Veracity

Mainframe IMS and CICS Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe IMS and CICS Developer Location: Wilmington, DE - Onsite Only Employment Type: 6+ Months Contract Experience Level: 8+ Years Work Authorization: U.S. Citizens or Green Card Holders strongly ...

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 ...

Diverse Lynx

Sr Mainframe Developer (DE)

Wilmington, DE · On-site

$120K/yr

Mainframe Developer Location : Wilmington DE Salary: $120K ( Visa Independent) Position ID: 114755-4 and 114755-6 Experience - 8+ RTTO - 5 Days Onsite Required Skills: Expert knowledge on CICS along ...

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 ...

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Mainframe Developer information

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How much do mainframe developer jobs pay per hour?

As of Jul 1, 2026, the average hourly pay for mainframe developer in Delaware is $53.42, according to ZipRecruiter salary data. Most workers in this role earn between $47.16 and $60.62 per hour, depending on experience, location, and employer.

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.

What are Mainframe Developers?

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.

What are the key skills and qualifications needed to thrive as a Mainframe Developer, and why are they important?

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 Delaware? The most popular types of Mainframe Developer jobs in Delaware are:
What are popular job titles related to Mainframe Developer jobs in Delaware? For Mainframe Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Delaware look for? The top searched job categories for Mainframe Developer jobs in Delaware are:
What cities in Delaware are hiring for Mainframe Developer jobs? Cities in Delaware with the most Mainframe Developer job openings:
What are popular job titles related to Mainframe Developer jobs in DE? For Mainframe Developer jobs in DE, the most frequently searched job titles are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Delaware as of June 2026, with employment types broken down into 77% Full Time, 15% Part Time, and 8% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $111,122 per year, or $53.4 per hour.

Mainframe Developer (COBOL/IMS/CICS)

Kaav Inc.

Wilmington, DE • On-site

$47.50 - $61/hr

Other

Posted 15 days ago

Job description

Job Title: Mainframe Developer (COBOL/IMS/CICS)
Location: Onsite - Wilmington, DE
Duration: Long Term
Job Description:
We are seeking an experienced Mainframe Developer with strong expertise in COBOL, IMS/DB, CICS, and JCL to support mission-critical banking applications for our client, Bank of America. This is an onsite role in Wilmington, DE, offering a long-term opportunity with a leading financial institution.
Responsibilities:
  • Develop, enhance, and maintain mainframe applications using COBOL.
  • Work with IMS/DB and IMS/DC for high-performance data management and transaction processing.
  • Utilize CICS for developing and supporting online applications.
  • Create and maintain JCL scripts for batch job scheduling and execution.
  • Collaborate with system analysts, testers, and business teams to ensure optimal system performance and user experience.
  • Troubleshoot and resolve production issues and performance bottlenecks.
  • Assist in system integration, deployment, and post-implementation support.
Required Skills & Experience:
  • 8+ years of hands-on experience in mainframe development.
  • Strong proficiency in COBOL programming.
  • In-depth knowledge of z/OS mainframe operating system.
  • Expertise in IMS database technologies including IMS/DB and IMS/DC.
  • Extensive experience in CICS for transaction processing.
  • Advanced skills in Job Control Language (JCL) for batch job execution.
  • Basic understanding of mainframe system administration tasks such as dataset management and security protocols.
  • Excellent analytical and problem-solving skills.
  • Strong communication and collaboration abilities.
Preferred Qualifications:
  • Prior experience working with financial services or banking applications.
  • Knowledge of Agile or hybrid SDLC methodologies.
  • Familiarity with tools such as Endevor, File-AID, and Xpediter.

If you are a seasoned mainframe professional seeking a challenging opportunity with a top-tier client, we invite you to apply for this role.

Apply