Mainframe Network Admin

Job title: Mainframe Network Admin

Location: Remote

Position Type- Contract

Rate USD $/hr on W2

Only on W2 Pay Rate

Job Description/ Responsibilities

Mainframe Network administrator

Position Description:
The Mainframe Network administrator will manage, support, and modernize the mainframe networking environment. The applicant will design, configure, and support mainframe network infrastructure including VTAM, NCP, SNA, and TCP/IP, and will troubleshoot session-level connectivity and session management functions using CA TPX, CL/SuperSession and related tools. Excellent communication skills are required; previous session management migration experience is a plus.

The candidate will lead and execute the migration of session management and networking tools to updated or consolidated platforms, ensuring session continuity and minimal business disruption. Duties include configuring CA-TPX, CL/SuperSession for session routing, security, and user access; planning, testing, and implementing cutover and rollback strategies; coordinating timelines, dependencies, and risk mitigation with vendor teams and internal stakeholders; monitoring session performance pre/post-migration; and maintaining configuration and procedure documentation. The role also ensures security, audit, and regulatory compliance and provides L2/L3 support on an on-call rotation.
Required Skills:
8+ years hands-on mainframe networking Strong expertise in SNA and TCP/IP protocols
CA TPX, CL/SuperSession configuration, administration, session routing and troubleshooting Session management tool and network software migration
Session continuity and cutover/rollback planning VTAM, NCP, Communications Server for z/OS
Troubleshooting, documentation and stakeholder communication Able to lead migrations end-to-end, including validation
Desired Skills:

• z/OS and related mainframe operating environments
• High expertise in handling tools like CA TPX and CL/Supersession
• Migrating to CL/SuperSession from other platforms
• Network security protocols and compliance frameworks
• Additional or Advantageous Skills:

BFSI, healthcare or large enterprise mainframe estates Vendor tool transition and vendor coordination L2/L3 support and on-call rotation 8+ years hands-on mainframe networking Strong expertise in SNA and TCP/IP protocols CA TPX, CL/SuperSession configuration, administration, session routing and troubleshooting VTAM, NCP, Communications Server for z/OS Able to lead migrations end-to-end, including validation z/OS and related mainframe operating environments High expertise in handling tools like CA TPX and CL/Supersession Migrating to CL/SuperSession from other platformsYears of Experience: 18.00 Years of Experience

Pay: $45.00 - $50.00 per hour

Expected hours: 40.0 per week

Experience:

• SNA and TCP/IP protocols: 10 years (Preferred)
• CA TPX, CL/SuperSession configuration, administration: 10 years (Preferred)
• session routing and troubleshooting: 10 years (Preferred)
• VTAM, NCP, Communications Server for z/OS: 10 years (Preferred)
• lead migrations end-to-end, including validation: 10 years (Preferred)

Work Location: Remote