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Junior Mainframe Operator Jobs in Washington (NOW HIRING)

Principal Software Engineer

Ellicott City, MD · On-site

$134K - $180K/yr

... mainframe and Linux operating systems and other platforms, utilizing JPA or Spring Data API for ... Provide guidance\/support to other junior\/mid\-level developers. \n * Experience as hands on ...

Junior Mainframe Operator information

What types of tasks and responsibilities can I expect as a Junior Mainframe Operator?

As a Junior Mainframe Operator, your daily responsibilities typically include monitoring system performance, running batch jobs, troubleshooting minor errors, and escalating complex issues to senior team members. You’ll be responsible for ensuring that scheduled processes execute correctly, assisting with backups, and maintaining detailed records of system events. Collaboration with other IT professionals, such as system administrators and application support teams, is common to ensure seamless business operations. Over time, you'll have opportunities to take on greater responsibilities, such as handling advanced troubleshooting or learning to script automated tasks. This role provides a strong foundation for advancing into more senior mainframe or systems administration positions.

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

To thrive as a Junior Mainframe Operator, you need a foundational understanding of computer systems, basic programming or scripting knowledge, and a high school diploma or associate degree in IT or a related field. Familiarity with mainframe environments such as IBM z/OS, job control language (JCL), and monitoring tools like TSO/ISPF or SDSF is highly beneficial. Attention to detail, strong problem-solving abilities, and effective communication skills will help you excel in this role. These skills ensure efficient mainframe operations, minimize downtime, and facilitate productive teamwork within IT departments.

What is a Junior Mainframe Operator job?

A Junior Mainframe Operator is responsible for monitoring and maintaining mainframe computer systems to ensure smooth operation. They assist in running batch jobs, troubleshooting system issues, and performing routine maintenance tasks under supervision. Their role often includes responding to system alerts, maintaining logs, and escalating problems to senior operators or IT teams. This position is typically entry-level and provides a foundation for advancing into more technical mainframe roles.

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Infographic showing various Junior Mainframe Operator job openings in Washington as of July 2026, with employment types broken down into 100% Full Time. Highlights an 49% In-person, and 51% Remote job distribution.

IT Specialist Junior - TS required in order to apply; Washington DC

Bow Wave LLC

Washington, DC

Full-time

Re-posted 26 days ago


Job description

  • Provides support to end users for either Personal Computer (PC), server, or mainframe applications and hardware.
  • May interact with network services, software systems engineering, and/or applications development to restore service and/or identify and correct core problem.
  • Simulates or recreates user problems to resolve operating difficulties.
  • Recommends systems modifications to reduce user problems.
  • Maintains currency and highest level of technical skill in field of expertise.