IL
Mainframe Network Admin
ICONMA, LLC
🇺🇸 United States
Remote
Staff / Principal
6 days ago
$17.00 – $71.43 / hour
- TCP/IP
- Regulatory Compliance
- z/OS
- Network Security
6 days ago
Our client, an IT Services and Consulting company, is looking for a Mainframe Network Admin for their Remote location.
Responsibilities:
- 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.
Requirements:
- 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.
- 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
- 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 platforms
- Years of Experience:
- 18.00 Years of Experience
Why Should You Apply?
- Health Benefits
- Referral Program
- Excellent growth and advancement opportunities
Mainframe Network Admin · ICONMA, LLC