IBM · 3 days ago
Mainframe Developer
San Jose, CA
Full-time
Hybrid
Senior Level
5+ years expIBM Software is focused on transforming client challenges into solutions through innovative AI-powered, cloud-native products. They are seeking an experienced Mainframe Developer to enhance, maintain, and support critical mainframe applications, ensuring seamless operation and business continuity.
Business DevelopmentBusiness Information SystemsCRMData ManagementFoundational AISoftware
Responsibilities
Perform regular maintenance and provide technical support for existing mainframe applications written in COBOL, Assembler, C and DB2
Troubleshoot and resolve any issues that arise, ensuring minimal disruption to business operations
Participate in code reviews to ensure adherence to coding standards and best practices
Develop and execute test plans to ensure the quality and reliability of the applications
Work with JES2/JES3 subsystem environments, including job flow understanding, troubleshooting, and spool management
Develop, customize, and enhance ISPF panels and dialogs to support application interfaces
Work collaboratively with cross-functional teams, including project managers, business analysts, QA testers, and other developers
Maintain detailed logs of system incidents and resolutions
Prepare and distribute daily/weekly reports on system performance and issues
Collaborate with application, infrastructure, and support teams to address issues effectively
Ensure that all technical documentation is up to date and easily accessible
Qualification
Required
Minimum 5+ years of experience in COBOL, JCL and DB2
Strong experience in COBOL, Assembler, JCL, and DB2
Ability to write, analyze, and debug complex code
In-depth knowledge of mainframe environment
Experience with ticketing tools such as ServiceNow
Strong analytical and problem-solving abilities
Capable of troubleshooting and resolving technical issues
Meticulous attention to detail with a commitment to delivering high-quality work
Excellent verbal and written communication skills
Ability to convey technical concepts to non-technical stakeholders
Proven ability to work effectively in a team environment
Willingness to collaborate and share knowledge with others
Ability to adapt to changing priorities and work under pressure
Flexible and open to learning new technologies and methodologies
Preferred
Knowledge of REXX is a plus along with other mainframe tools
Knowledge of DTL is an advantage
Bachelor's Degree
Company
IBM
IBM is an IT technology and consulting firm providing computer hardware, software, infrastructure, and hosting services.
10001+ employees
H1B Sponsorship
IBM has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3032)
2024 (3301)
2023 (2160)
2022 (1809)
2021 (1157)
2020 (2669)
Funding
Current Stage
Public CompanyTotal Funding
unknown2011-01-14IPO
Leadership Team
Alain Bénichou
Chief Executive Officer, IBM Greater China Group
Alex Yang
CTO and Chief Architect
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