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Mainframe Support Jobs in Delaware (NOW HIRING)

Sr. Developer

Wilmington, DE · Hybrid

$85.50/hr

The team is currently transforming its infrastructure from mainframe to open source and is scaling ... Lead technical conversations and suggest upgrades that support a smooth modernization process.

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Mainframe Support information

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$10

$53

$72

How much do mainframe support jobs pay per hour?

As of May 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.

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 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 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:
What cities in Delaware are hiring for Mainframe Support jobs? Cities in Delaware with the most Mainframe Support job openings:
Infographic showing various Mainframe Support job openings in Delaware as of May 2026, with employment types broken down into 33% Full Time, and 67% Contract. Highlights an 100% In-person job distribution, with an average salary of $111,122 per year, or $53.4 per hour.
Software Engineer [Multiple Positions Available]

Software Engineer [Multiple Positions Available]

JPMorgan Chase & Co

Wilmington, DE

Full-time

Medical, Retirement

Posted 27 days ago


JPMorgan Chase & Co. rating

8.1

Company rating: 8.1 out of 10

Based on 467 frontline employees who took The Breakroom Quiz

46th of 141 rated banks


Job description

Duties: Execute software design, development, and troubleshooting to support modernization of mainframe applications and build scalable solutions on cloud infrastructure. Participate in the analysis and documentation of legacy systems and contribute to the design and implementation of modern architectures. Produce architecture and design artifacts for complex applications and ensure alignment between design constraints and software development. Identify patterns in system data to improve coding practices and enhance system architecture. Lead testing, maintenance, and implementation efforts to ensure reliable and efficient operations.

QUALIFICATIONS:

Minimum education and experience required: Bachelor's degree in Information Technology, Computer Science, or related field of study plus 4 years of experience in the job offered or as Software Engineer, IT Consultant, or related occupation. The employer will alternatively accept a Master's degree in Information Technology, Computer Science, or related field of study plus 2 years of experience in the job offered or as Software Engineer, IT Consultant, or related occupation.

Skills Required: This position requires two (2) years of experience with the following: Designing systems and components using UML and sequence diagrams in z/OS and AWS; Developing and maintaining batch jobs using COBOL, REXX and JCL to access VSAM KSDS, DB2, and MQ services; Deploying, managing, and scaling containerized applications on AWS platform; Building asynchronous, event-driven systems and message-based integration between microservices using AWS Step Functions, AWS SQS, and Kafka; Building and running Docker containers with blue/green deployment patterns; Developing backend microservices and REST APIs using Java and Spring Boot, including Spring Data JPA and Hibernate; Implementing multistage pipelines using CI/CD tools such as Jenkins; Defining and managing job schedules and dependencies using CA7 and Control-M; Managing source and promotions across multiple environments with rollback procedures using Changeman; Coding and version control using Git with branch protection and pull request workflows in GitHub or Bitbucket; Configuring Maven for dependency management and reproducible builds.  

Job Location: 880 Powder Mill Rd, Wilmington, DE 19803.

Full-Time. 

Chase is a leading financial services firm, helping nearly half of America's households and small businesses achieve their financial goals through a broad range of financial products. Our mission is to create engaged, lifelong relationships and put our customers at the heart of everything we do. We also help small businesses, nonprofits and cities grow, delivering solutions to solve all their financial needs. 

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions.  We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process. 

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

Equal Opportunity Employer/Disability/Veterans

Our Consumer & Community Banking division serves our Chase customers through a range of financial services, including personal banking, credit cards, mortgages, auto financing, investment advice, small business loans and payment processing. We're proud to lead the U.S. in credit card sales and deposit growth and have the most-used digital solutions - all while ranking first in customer satisfaction.

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