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Mainframe Support Jobs in Delaware (NOW HIRING)

Synapse Tech Services Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe System Support * JCL * COBOL (Preferred) * CICS (Preferred) * DB2 (Preferred) Job Responsibilities: * Design, develop, code, and test applications using IBM Assembler. * Work across all ...

Centstone

Mainframe Assembler

Wilmington, DE · On-site

$45 - $55/hr

IBM Assembler, z/OS, Mainframe, SDLC, Application Support Join a collaborative technology team where your mainframe expertise will support the development and maintenance of high-performance ...

New

Percient Inc.

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Technical support: They provide technical support for mainframe systems, optimizing performance, and ensuring compliance with coding standards and technical design. * These assemblers work closely ...

Galent

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

Technical support : They provide technical support for mainframe systems, optimizing performance, and ensuring compliance with coding standards and technical design. These assemblers work closely ...

New

Compunnel

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61.25/hr

... test, and support enterprise mainframe applications using IBM Assembler. This role is responsible for developing efficient low-level code, troubleshooting application issues, optimizing system ...

VIS IT Solutions Inc

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 ... Develop and support batch and online processes, including job streams, transaction systems, and ...

Centraprise

Mainframe Developer

Newark, DE · On-site

$48 - $61.50/hr

Mainframe Developer Job Location : Newark, DE (ONSITE) Job Type : Full-Time Mainframe Developer ... supporting program increments leading to delivery of features/stories. Ability to communicate ...

Lorven Technologies

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location: Wilmington, Delaware (Onsite) Job Type: Contract Responsibilities ... Develop and support batch and online processes, including job streams, transaction systems, and ...

Centstone

Mainframe IMS & CICS Developer

Wilmington, DE · On-site

$45 - $55/hr

Design, develop, maintain, and support enterprise mainframe applications using COBOL, IMS/DB, and CICS. * Create, maintain, and support JCL for batch processing, production jobs, and system ...

New

InfiCare

Mainframe IMS and CICS Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Develop and support CICS-based transaction processing applications * Write and manage JCL scripts for batch processing workflows * Perform data set management and support mainframe system ...

Lorven Technologies

Mainframe IMS and CICS

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe IMS and CICS ( Should be flexible for on call support) Location : Wilmington DE (5 Days Onsite) Contract/Fulltime Required Skills: ( Should be flexible for on call support) • Programming ...

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Mainframe Support information

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$53

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How much do mainframe support jobs pay per hour?

As of Jul 31, 2026, the average hourly pay for mainframe support 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.

Can AI replace mainframe?

Mainframe support involves maintaining and troubleshooting large-scale legacy systems, which require specialized knowledge of mainframe hardware, operating systems, and programming languages like COBOL. While AI can assist with automation and data analysis tasks, it is unlikely to fully replace mainframe support roles due to the complexity and critical nature of these systems. Support professionals will continue to be essential for system management, security, and problem resolution.

What is a Mainframe Support job?

A Mainframe Support job involves maintaining, troubleshooting, and optimizing mainframe systems to ensure smooth operations. Responsibilities typically include monitoring system performance, resolving technical issues, applying software updates, and ensuring data security. Mainframe Support professionals work with legacy systems, batch processing, and various programming languages like COBOL or JCL. Their role is critical in industries like banking, healthcare, and government, where mainframes handle large-scale transactions and data processing.

What is the salary of mainframe support engineer?

The salary of a mainframe support engineer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Experienced professionals with skills in COBOL, JCL, and mainframe tools may earn higher salaries, especially in large organizations or specialized industries.

What are the key skills and qualifications needed to thrive in the Mainframe Support position, and why are they important?

To thrive as a Mainframe Support professional, you need a solid understanding of mainframe operating systems (such as z/OS), basic programming skills, and troubleshooting abilities, typically supported by a degree in computer science or equivalent experience. Proficiency with tools like IBM ISPF, SDSF, JCL, and familiarity with monitoring and batch processing tools, as well as certifications like IBM Certified System Administrator, are often expected. Strong analytical thinking, communication, and teamwork skills are crucial for effectively addressing technical issues and collaborating with cross-functional teams. These abilities ensure prompt issue resolution and maintain the stability and reliability of critical business systems.

What are the typical daily responsibilities of someone in a Mainframe Support role?

Mainframe Support professionals typically monitor system performance, respond to incidents or service requests, and perform routine maintenance to ensure mainframe systems run smoothly. Their day may include troubleshooting job failures, updating software or system configurations, and working with application teams to resolve integration or data transfer issues. They often participate in on-call rotations and collaborate closely with other IT teams, such as network or security specialists. These responsibilities are essential to minimize downtime and maintain uninterrupted business operations.

What jobs pay $10,000 a week?

Mainframe support roles typically do not pay $10,000 a week; such high weekly earnings are usually associated with executive, specialized consulting, or highly senior technical positions in finance or technology sectors. Achieving this level of income often requires extensive experience, advanced certifications, or leadership responsibilities.

Is mainframe a good career option?

Mainframe support is a stable career choice for those skilled in legacy systems, programming languages like COBOL, and mainframe tools such as JCL and TSO. It offers opportunities in industries like finance and government, often with competitive salaries and job security. However, the field requires ongoing learning of evolving technologies and certifications to stay current.
What are popular job titles related to Mainframe Support jobs in Delaware? For Mainframe Support jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Mainframe Support jobs in Delaware look for? The top searched job categories for Mainframe Support jobs in Delaware are:
Mainframe Support jobs near you
Infographic showing various Mainframe Support job openings in Delaware as of July 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $111,122 per year, or $53.4 per hour.

Mainframe Assembler

Synapse Tech Services Inc

Wilmington, DE • On-site

$47.50 - $61/hr

Other

Posted 14 days ago

Job description

Please share your resume to Fasi at synapsetechservice dot com

Job Title: Mainframe Assembler
Location: Wilmington, DE (No Remote Option)- 100% Onsite (5 Days/Week)
Job Type: Contract

Experience: 10+ Years
Position ID: Mphasis-117486-12-1:

Required Skills:

  • IBM Assembler (HLASM) Programming
  • IBM z/OS
  • Mainframe Application Development
  • SDLC
  • Debugging & Troubleshooting
  • Mainframe Performance Tuning
  • Technical Documentation
  • Mainframe System Support
  • JCL
  • COBOL (Preferred)
  • CICS (Preferred)
  • DB2 (Preferred)

Job Responsibilities:

  • Design, develop, code, and test applications using IBM Assembler.
  • Work across all phases of the Software Development Life Cycle (SDLC).
  • Debug and troubleshoot mainframe applications to ensure optimal performance.
  • Develop and maintain technical documentation for assembler programs.
  • Provide technical support for mainframe systems and ensure adherence to coding standards.
  • Optimize application performance and maintain system reliability.
  • Collaborate with system architects, analysts, and cross-functional teams to translate business requirements into efficient low-level machine code.
  • Stay updated with the latest mainframe technologies and assembler programming practices.

Requirements:

  • 10+ years of hands-on experience in Mainframe Assembler programming.
  • Strong expertise with IBM z/OS operating system.
  • Experience with the complete SDLC.
  • Excellent debugging and problem-solving skills.
  • Strong knowledge of mainframe architecture and system programming.
  • Experience with JCL; knowledge of COBOL, CICS, and DB2 is a plus.
  • Excellent communication and documentation skills.

Apply