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Mainframe Networking Jobs in California (NOW HIRING)

DRT Strategies, Inc.

IT Analyst

Palo Alto, CA · On-site

$80K - $100K/yr

... mainframe, network, and client-server environments. * Design and maintain databases, including specifications for databases, communication systems, data security, and data storage. Serve as a data ...

DRT Strategies, Inc.

IT Analyst

Palo Alto, CA · On-site

$80K - $100K/yr

... mainframe, network, and client-server environments. * Design and maintain databases, including specifications for databases, communication systems, data security, and data storage. Serve as a data ...

iSpace, Inc

Mainframes Business Analyst

Torrance, CA · On-site

Mainframe and IMS Business Analyst Location - Torrance, CA (Hybrid) Contract Duration 13 Months ... Understanding in the information technology landscape stretching from infrastructure, network ...

Anvaya Solutions

Contractor Trainer

Rancho Cordova, CA · On-site

Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ... Knowledge and experience within data center services and related technologies, including networking ...

Anvaya Solutions

Contractor Trainer

Rancho Cordova, CA · On-site

Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ... Knowledge and experience within data center services and related technologies, including networking ...

Anvaya Solutions

Contractor Trainer

Rancho Cordova, CA · On-site

Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ... Knowledge and experience within data center services and related technologies, including networking ...

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Mainframe Networking information

What is the difference between Mainframe Networking vs Mainframe Systems Programmer?

AspectMainframe NetworkingMainframe Systems Programmer
Primary FocusDesign, implement, and maintain network connectivity for mainframe environmentsInstall, configure, and maintain mainframe operating systems and system software
CertificationsNetworking certifications (e.g., Cisco, IBM TCP/IP)IBM mainframe certifications (e.g., IBM Certified Systems Programmer)
Work EnvironmentData centers, network operation centersMainframe data centers, enterprise IT departments
Common UsageEnsuring reliable network communication for mainframe applicationsManaging mainframe OS and system software for stability and performance

While both roles work within mainframe environments, Mainframe Networking focuses on network connectivity and communication, whereas Mainframe Systems Programmers handle system software and OS management. Understanding these distinctions helps clarify career paths and job expectations in mainframe IT.

What are popular job titles related to Mainframe Networking jobs in California? For Mainframe Networking jobs in California, the most frequently searched job titles are:
What job categories do people searching Mainframe Networking jobs in California look for? The top searched job categories for Mainframe Networking jobs in California are:
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Mainframe Networking jobs near you
Infographic showing various Mainframe Networking job openings in California as of June 2026, with employment types broken down into 90% Full Time, 9% Part Time, and 1% Temporary. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution.
Senior Mainframe Systems Programmer

Senior Mainframe Systems Programmer

West Advanced Technologies (WATI)

Downey, CA • On-site

Full-time

Posted 3 days ago

Job description

Senior Mainframe Systems Programmer
Downey, CA - (Onsite)
12+ months
Description:
The Senior Systems Programmer for Legacy Systems, for maintenance and support of Z/OS systems, is responsible for planning and upgrading the systems on a County-established basis, verifying the health of all systems, and making necessary changes as required. This includes analyzing the issues reported by development teams making necessary recommendations; planning and designing systems architecture; working with customers to test applications post-upgrade; ensuring software is compatible with operating systems; upgrading hardware in a timely manner with minimum downtime windows; evaluating new application software technologies; and/or ensuring that relevant security products are patched on a regular basis. The Senior Systems Programmer for Legacy Systems, for development of operating systems, is responsible for analyzing systems requirements, risks and costs; evaluating, selecting, verifying and validating systems software environments; evaluating, selecting and installing compilers, assemblers and utilities; integrating hardware and software components within systems environments; monitoring and fine-tuning performance of systems environments; evaluating new systems engineering technologies and subsequent effects on operating environments; and/or ensuring that information security/information assurance policies, principles and practices are integral elements of operating environments.
Required Skills:
A Senior Mainframe Systems Programmer is responsible for leading and/or supporting the most complex IT infrastructure, modification, installation, testing, implementation, maintenance and enhancements of new or existing system software products. This classification must plan, install, configure, test, implement and manage core system software products in support of the County's IT architecture and business needs. Special organizational or functional industry position titles for systems programmer include, but are not limited to, Z/OS System Administrator, MVS Systems Administrator, CICS/IMS/DB2/ADABAS Systems Programmer, and Z/OS Network and Storage Administrator. The following technology skill sets are required to perform in this classification -IBM: Z/.OS, IMS, DB2, ADABAS, SMP/E, JCL, IMS DB/DC, CICS, ACF2, ASSEMBLER/ COBOL/ REXX, CONTROL-M, VTAM, TCPIP, NETVIEW, NATURAL/ SUPERNAT, ENTIREX, CA SPOOL, IMS & DB2 BMC Tools, HMC/HOD/IODF, VTS
Must have a minimum of seven (7) years of experience in Z/OS Systems programming, with at least four (4) years of that experience in a lead role.
This classification requires the possession of a bachelor's degree in an IT-related or engineering field.
Regards
Sunil Damagalla
West Advanced Technologies, Inc
E: sunil.d@wati.com D: 279-666-5837

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