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Mainframe Networking Jobs in Arizona (NOW HIRING)

The Mainframe Network Engineer role focuses on designing and optimizing network solutions for ... Preferred : • Experience supporting SNA/APPN networking. • Risk Management • DevOps Practices ...

Job#: 3035723 Mainframe Network Engineer Location: Chandler, Arizona (Hybrid) Employment Type: 12 ... Experience supporting SNA/APPN networking. * Working knowledge of switches, firewalls, load ...

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Engineers and operates network solutions supporting mainframe TCP/IP and SNA/APPN-based system ... Strong foundational expertise in TCP/IP networking, including OSPF and Layer 2 technologies such as ...

Mainframe Senior Storage Architect

Chandler, AZ · On-site

$127.20K - $172.80K/yr

Mainframe Storage Architect (Individual Contributor) * Duties to include collaborating with others ... Storage Area Network (SAN) replication design and configuration * Capacity (inclusive of network ...

Experience with Hardware Configuration Definition (HCD) for server, storage, and network hardware. * Background in mainframe security administration, including defining and maintaining RACF profiles ...

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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 Arizona? For Mainframe Networking jobs in Arizona, the most frequently searched job titles are:
What job categories do people searching Mainframe Networking jobs in Arizona look for? The top searched job categories for Mainframe Networking jobs in Arizona are:
What cities in Arizona are hiring for Mainframe Networking jobs? Cities in Arizona with the most Mainframe Networking job openings:
Mainframe Network Engineer

Mainframe Network Engineer

Computer Task Group, Inc

Phoenix, AZ • Hybrid

Full-time

Posted 2 days ago


Job description

Overview

CTG is seeking a Mainframe Network Engineer for our client.

Location: Phoenix, AZ metro area (Hybrid)
Duration: 6 months with option to convert after 6 months
Citizenship: US Citizens (USC), Permanent Residents (PR), and other EAD holders only (no visa-dependent candidates)

Overview

Responsible for designing, supporting, and optimizing enterprise mainframe network infrastructure. This role ensures secure, reliable, and high-performance connectivity between IBM mainframes (z/OS), distributed systems, cloud environments, and external partners in support of critical business operations.

Key Responsibilities
  • Design, configure, and support mainframe network environments and connectivity solutions
  • Manage IBM mainframe communications including VTAM, TCP/IP, SNA, TN3270, and FTP
  • Troubleshoot complex connectivity issues and perform root cause analysis
  • Support z/OS network services and communication subsystems
  • Ensure secure connectivity including firewall, encryption, and access controls
  • Collaborate with infrastructure, security, and application teams across enterprise initiatives
  • Support disaster recovery, high availability, and business continuity planning
  • Perform performance tuning and capacity planning for mainframe communications
  • Maintain technical documentation, standards, and operational procedures
  • Participate in incident response and change management processes
  • Support integration between mainframe, distributed, and cloud environments
Required Skills & Experience
  • 5+ years of experience in mainframe networking or enterprise infrastructure support
  • Strong expertise in IBM mainframe communications (VTAM, TCP/IP, SNA, TN3270, FTP)
  • Experience with z/OS networking and subsystem configuration
  • Strong troubleshooting, performance tuning, and RCA skills
  • Knowledge of enterprise network security principles
  • Experience supporting hybrid mainframe and distributed/cloud environments
  • Strong documentation and communication skills
Education
  • Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field preferred (or equivalent experience)

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services for this role.

To Apply: Please apply directly via the provided requisition link. Kindly forward to any interested parties.


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About Computer Task Group

Sourced by ZipRecruiter

We know that achieving our mission begins and ends with our people—and by people we mean you. Regardless of individual roles or responsibilities, regardless of industry or subject matter expertise, our lives happen in relation to other people—our colleagues, clients, and partners. CTG cultivates a workplace that attracts and develops the best people. Being Great Place to Work-CertifiedTM not only supports our Vision but also validates the rewarding workplace culture that has made CTG a leading IT and digital solutions and services company for more than 55 years.

Company size

1,001 - 5,000 Employees

Headquarters location

Buffalo, NY, US

Year founded

1966

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