Mainframe Systems Programmer Jobs in Wisconsin (NOW HIRING)

Note: Fidelity will not provide immigration sponsorship for this position.

We are seeking an enthusiastic and detail-oriented Entry-Level Mainframe Systems Programmer to join our infrastructure team. This role provides an excellent opportunity to learn and support enterprise mainframe environments that power mission-critical business applications. The candidate will work alongside experienced system programmers to assist with system maintenance, software installation, automation, performance monitoring, and operational support.

Assist in the installation, configuration, and maintenance of IBM z/OS and related system software. Monitor mainframe system health, performance, and availability. Support system upgrades, patches, and maintenance activities. Help troubleshoot operating system, storage, networking, and middleware issues. Assist with automation and scheduling tools used in the mainframe environment. Support disaster recovery and business continuity testing activities. Create and maintain system documentation, procedures, and knowledge articles. Collaborate with application, operations, and infrastructure teams to resolve incidents. Participate in problem determination and root cause analysis under guidance from senior team members. Ensure compliance with organizational security and operational standards.

Basic understanding of operating systems concepts. Knowledge of JCL (Job Control Language) and mainframe fundamentals is a plus. Familiarity with programming languages such as COBOL, REXX, Python, or Java is advantageous. Strong analytical and problem-solving skills. Good communication and teamwork abilities. Willingness to learn enterprise infrastructure technologies.

Exposure to IBM z/OS environment through coursework, internships, or certifications. Basic understanding of: JES2 SDSF TSO/ISPF TSS/RACF DFSMS SMP/E CICS, DB2, or MQ. Knowledge of scripting and automation concepts. Understanding of ITIL processes and incident management.

Your work helps ensure the reliability, security, and availability of the organization's critical business systems. By supporting the mainframe platform, you enable billions of business transactions to run seamlessly every day, contributing directly to operational excellence and customer satisfaction.

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.

Westlake

7 AM - 4 PM CST

Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

Category: Information Technology

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At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process. To initiate a request for an accommodation please contact the following: For roles based in the US: Contact the HR Leave of Absence/Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 2 For roles based in Ireland: Contact AccommodationsIreland@fmr.com For roles based in Germany: Contact Accommodationsgermany@fmr.com

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