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Mainframe Networking Jobs in California (NOW HIRING)

WATI

Mainframe Consultant

Sacramento, CA · On-site

Network operating systems concepts * Automated operations applications * Principles and practices of effective communication Regards Naresh Damagalla West Advanced Technologies, Inc Serving ...

Deloitte

Mainframe Developer

Fresno, CA · Hybrid

$48.75 - $62.50/hr

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Deloitte

Mainframe Developer

San Jose, CA · Hybrid

$57.50 - $73.75/hr

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Deloitte

Mainframe Developer

San Francisco, CA · Hybrid

$57.75 - $74.25/hr

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Deloitte

Mainframe Developer

Costa Mesa, CA · Hybrid

$52.50 - $67.50/hr

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Deloitte

Mainframe Developer

Sacramento, CA · Hybrid

$52.25 - $67.25/hr

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Robert Half

Mainframe Systems SME

Burbank, CA · On-site

$55 - $57/hr

This role is a Mainframe Systems SME for a long-term, muti-year assignment with our client ... Understanding in the information technology landscape ‐stretching from infrastructure, network ...

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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:
What cities in California are hiring for Mainframe Networking jobs? Cities in California with the most Mainframe Networking job openings:
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.
Mainframe Admin

Mainframe Admin

West Advanced Technologies (WATI)

Downey, CA • On-site

Full-time

Posted 3 days ago

Job description

Mainframe Admin
Downey, CA
12 months
Responsibilities:
Provide network architecture guidance and improvements for the design of the new z/OS 2.4 zEnterprise Communications Server infrastructure.
Design, implement and support the Communications Systems Services (CSSMTP) customization for mainframe files attachment.
Design, implement, and support communications access to the Client's cloud tertiary data site.
Enhance Williams Data Systems (WDS) enterprise monitoring/alerts.
Participate in Business Continuity exercises including testing, documentation and configuration of the z/Enterprise Communications Server environment at the Local Recovery Center.
Attend Problem and Change meetings in order to support Network Systems activities in these areas as well as resolve open Cherwell help desk incidents assigned to the IBM OS/COM Section.
Provide on-call technical support as required during outages including weekends and off hours.
Plan and schedule network software changes as required to be implemented according to Client's change policies and available maintenance windows.
Provide for knowledge transfer throughout the contract period to permanent IBM OS/COM staff.
Attend related project and design meetings and discussions directed by management; and perform special projects and initiatives as assigned.
Required Skills:
1. Five (5) years of experience within the last seven (7) years with IBM zEnterprise mainframe implementing MultiPath Channel (MPC) alternate routing links in a systems programming troubleshooting support role.
2. Five (5) years of experience within the last seven (7) years with IBM zEnterprise mainframe hardware maintenance console interface in a systems programming troubleshooting support role.
3. Five (5) years of experience within the last seven (7) years customizing the IBM zEnterprise mainframe Communications Systems Services (CSSMTP) for mainframe file attachment.
4. Three (3) years of experience within the last five (5) years installing, maintaining and upgrading the zEnterprise Communications Server mainframe TLS/SSL security, policy-based network and Digital Certificate Implementation and support.
5. Three (3) years of experience within the last five (5) years supporting IBM zEnterprise mainframe Communications Systems and Virtual Tape System storage disaster vaulting communication links.
Regards
Naresh Damagalla
West Advanced Technologies, Inc
E: naresh.d@wati.com

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