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Overnight Mainframe Batch Operations Jobs in California

Glover Labs

Forward Deployed Engineer

San Francisco, CA · On-site

$120 - $160/hr

Fortune 1000 enterprises run mission-critical workloads on decades-old mainframe systems -- COBOL ... One day you're deep in a customer's COBOL codebase understanding their batch processing logic. The ...

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Saltbox

Overnight Stocker

Duarte, CA · On-site

$20 - $21/hr

Dock Sortation Specialist Operations · On-Site (Saltbox Location) Who We Are Saltbox is on a ... Sort packages into the correct shelving unit or bin based on batch and market assignment. Accuracy ...

Saltbox

Overnight Stocker

Duarte, CA · On-site

$20 - $21/hr

Dock Sortation Specialist Operations • On-Site (Saltbox Location) Who We Are Saltbox is on a ... Sort packages into the correct shelving unit or bin based on batch and market assignment. Accuracy ...

Saltbox

Overnight Stocker

Duarte, CA · On-site

$20 - $21/hr

Dock Sortation Specialist Operations On-Site (Saltbox Location) Who We Are Saltbox is on a mission ... Sort packages into the correct shelving unit or bin based on batch and market assignment. Accuracy ...

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All JobsMainframe Batch Operations JobsOvernight Mainframe Batch Operations JobsOvernight Mainframe Batch Operations Jobs in California

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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For Overnight Mainframe Batch Operations jobs in California, the most frequently searched job titles are:

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Overnight Mainframe Batch Operations jobs near you
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.

Mainframe Systems Programmer / Mainframe DBA - Los Angeles, CA (Hybrid)

Startekk Inc

Los Angeles, CA • Remote

Full-time

Posted 7 days ago

Key responsibilities

  • Lead and support complex database upgrade projects, modifications, installations, testing, implementations, maintenance, and enhancements of system software products.

  • Plan, install, configure, test, implement, and manage core database and software products supporting enterprise database architecture and business needs.

  • Monitor and verify database health, performance, and capacity, and support production database environments and complex database projects.

Job description

Company Description
  • StarTekk’s adoption of Digital Transformation is to accelerate organizational growth, increase efficiencies and help Star Workforce achieve focused business goals. The Employee will help our organization to identify and bridge the gap that exists in the business by analyzing the data, scale and support digital transformation initiatives.
Job Description

We are seeking a highly experienced Mainframe Systems Programmer / DBA to lead and support complex database upgrade projects, modifications, installations, testing, implementations, maintenance, and enhancements of new and existing system software products.

The selected candidate will plan, install, configure, test, implement, and manage core database and software products supporting enterprise database architecture and business needs. The role may involve working with DB2, IMS, and ADABAS/NATURAL environments.

Required Skills : 

  • Manage hierarchical (IMS), relational (DB2), and file-based (ADABAS) databases.
  • Plan and execute database environment upgrades and migrations.
  • Monitor and verify database health, performance, and capacity.
  • Provide database administration consulting to application development and operations teams.
  • Perform technical reviews and evaluations of existing DBMS environments.
  • Provide database design recommendations to project teams.
  • Develop logical and physical database designs.
  • Create physical databases and logical database overviews.
  • Perform database capacity planning.
  • Develop and maintain backup and recovery procedures.
  • Perform database performance and space monitoring.
  • Conduct database reorganizations, replication, compression, and partitioning.
  • Support production database environments and complex database projects.

Mainframe Technology Skills : 

  • IBM z/OS
  • IMS
  • DB2
  • ADABAS
  • SMP/E
  • JCL
  • IMS DB/DC
  • CICS
  • ACF2
  • Assembler
  • COBOL
  • REXX
  • IBM File Manager
  • DELTA/IMS
  • NATURAL / SUPERNAT
  • EntireX
  • CA SPOOL
  • IMS & DB2 BMC Tools
  • N20/TRIM
Qualifications
  • Minimum 7 years of experience as a Systems Programmer / DBA.
  • At least 3 years of experience in a lead role.
  • 4+ years of database administration experience in Oracle, MySQL, PostgreSQL, and/or Microsoft SQL Server environments.
  • 3+ years of experience transferring, validating, and maintaining databases in cloud environments.
  • 5+ years of experience utilizing StarQuest Stelo Data Replication software.
  • Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field required.

Additional Information
  • Assessing, planning, and migrating databases to cloud environments.
  • Transferring, validating, and maintaining databases in cloud environments.
  • Installing, configuring, and supporting Oracle Enterprise Edition 19c and 21c on Linux.
  • Supporting Oracle databases as backends for public-facing web applications and internal data warehousing.
  • Installing and configuring MySQL and PostgreSQL databases.
  • Installing and supporting Microsoft SQL Server instances.
  • Configuring and supporting Oracle Application Express (APEX).
  • Configuring Oracle gateways connecting SQL Server, MySQL, and PostgreSQL instances to Oracle databases.
  • Oracle Spatial implementation and support.
  • Building custom ETL utilities using cron/crontab, SQLLoader, and PL/SQL.
  • Database administration including patch installation, cloning, backup/recovery, and script development.
  • Windows batch scripting, Unix shell scripting, and PL/SQL.
  • Troubleshooting and resolving ETL job issues.
  • Setting up and supporting connectivity to remote database servers using Stelo Data Replication software.
  • Monitoring and troubleshooting full and incremental data transfers.

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