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Overnight Mainframe Batch Operations Jobs in California

KDC delivers high-touch innovation, operational excellence, and speed to market to well-known and ... Shift Information This position is assigned to 3rd Shift (overnight) and is eligible for a 3rd ...

Maintain files and reset the systems for next day operations. (This is an overnight/graveyard shift ... from the mainframe, the Micros computer, and the system for automated credit cards. • Make ...

Night Auditor

Fremont, CA · On-site

$18.50 - $19/hr

Maintain files and reset the systems for next day operations. (This is an overnight/graveyard shift ... from the mainframe, the Micros computer, and the system for automated credit cards. • Make ...

Night Auditor

Burbank, CA · On-site

$16 - $21.25/hr

Maintain files and reset the systems for next day operations. (This is an overnight/graveyard shift ... from the mainframe, the Micros computer, and the system for automated credit cards. • Make ...

Night Auditor

Burbank, CA · On-site

$21/hr

Maintain files and reset the systems for next day operations. (This is an overnight/graveyard shift ... from the mainframe, the Micros computer, and the system for automated credit cards. • Make ...

Tier III Support Technician

Whittier, CA · On-site

$29.10 - $35/hr

... batch), and automation efforts * Support and triage IT tickets, providing Tier III level support ... Must be open to travel (approximately 20-30%) , including occasional overnight travel * Ability to ...

Senior IT Support Technician

Whittier, CA · On-site

$29.10 - $34.44/hr

This role supports a modern Microsoft environment and plays a key role in improving IT operations, ... Must be open to travel (approximately 20-30%) , including occasional overnight travel * Ability to ...

JAVA Programmer III

Fountain Valley, CA · On-site

$71K - $106K/yr

Monitor daily operations, programs, batch processing and system processing * Diagnoses and ... Minimal overnight travel (up to 10%) by land and/or air. Required Qualifications EDUCATION ...

Showing results 41-60

Overnight Mainframe Batch Operations information

What is the difference between Overnight Mainframe Batch Operations vs Night Shift Data Entry Clerks?

AspectOvernight Mainframe Batch OperationsNight Shift Data Entry Clerks
CredentialsIT certifications, mainframe trainingBasic computer skills, data entry experience
Work EnvironmentData centers, server rooms, IT departmentsOffices, administrative settings
Industry UsageBanking, finance, large corporationsHealthcare, retail, small businesses
Job FocusProcessing large data batches on mainframes overnightEntering data into systems during night hours

Overnight Mainframe Batch Operations involve managing large-scale data processing on mainframes during overnight shifts, requiring technical skills and IT certifications. Night Shift Data Entry Clerks focus on manual data input tasks during night hours, often with basic computer skills. While both roles operate during night shifts, they differ significantly in technical complexity and work environment.

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Cities in California with the most Overnight Mainframe Batch Operations job openings:

Infographic showing various Overnight Mainframe Batch Operations job openings in California as of June 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 75% In-person, and 25% Remote job distribution.

JAVA Programmer III

Hyundai MOBIS

Fountain Valley, CA • On-site

Full-time

Re-posted 5 days ago


Hyundai Mobis rating

7.3

Company rating: 7.3 out of 10

Based on 28 frontline employees who took The Breakroom Quiz


Job description

JOB PURPOSE

The programmers are responsible for direct support of AMOS (Advanced Operating System) including internal functionality and interfaces with any external systems. Support includes development of user applications, bug fixes, and modification/enhancements to existing functions, testing, system documentation, and ad-hoc data gathering/queries.

Programmers support MPA Corporate users, MPA Parts Distribution Centers, MRC, and other Subsidiaries using U.S AMOS. Support may require coordination with the systems team at HQ. Support hours may extend beyond normal business hours at MPA Corporate offices to support users in different time zones and countries or coordinate with staff in Korea.

KEY ACCOUNTABILITIES

  • 1st Develop design specification based on business user requirements 20%
  • 2nd Program development 30%
  • 3rd Troubleshoot system problems 20%
  • 4th Testing of new/modified programs 15%
  • 5th Ad Hoc data gathering/queries 15%

KEY PERFORMANCE INDICATORS

  • Under limited supervision perform the functions of a Team Leader on small projects.
  • Gather user requirements
  • Develop design specifications
  • Program devel
  • Create test plans, test cases and perform unit, integration and parallel testing of all processes.
  • Pretesting and bug fix prior to release for UAT
  • Coordinate testing with clients and verify accuracy of test results
  • Perform quality control of programs and system changes prior to implementation
  • Implement project installations to production
  • Monitor daily operations, programs, batch processing and system processing
  • Diagnoses and troubleshoot daily operations, programs and system problems
  • Operation program & logic research and documentation
  • Provide support to operational staff for error resolution

WORK SCHEDULE

  • This is a full-time, on-site position in Fountain Valley, CA.
  • 8:00 AM - 5:00 PM
  • Minimal overnight travel (up to 10%) by land and/or air.

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