About the job

We are seeking a highly skilled Mainframe Network Administrator to manage and maintain the mainframe network infrastructure. The ideal candidate will have expertise in configuring, monitoring, and troubleshooting mainframe network components, ensuring high availability, performance, and security. This role involves collaboration with cross-functional teams to support business-critical applications and network operations.

Key Responsibilities:

1. Mainframe Network Management:

   • Configure, monitor, and maintain mainframe network components, including VTAM, TCP/IP, and SNA.
   • Administer mainframe communication servers and associated protocols.
   • Ensure network availability and performance for mainframe-based applications.

2. Troubleshooting and Issue Resolution:

   • Diagnose and resolve network connectivity issues within the mainframe environment.
   • Collaborate with support teams to address performance bottlenecks and implement solutions.
   • Conduct root cause analysis and implement preventive measures for recurring issues.

3. Security and Compliance:

   • Implement and maintain security measures to protect mainframe network resources.
   • Ensure compliance with organizational and regulatory standards for network operations.
   • Manage and monitor access controls, firewalls, and encryption protocols.

4. System Upgrades and Maintenance:

   • Plan and execute upgrades to mainframe network hardware and software.
   • Apply patches and updates to ensure system security and stability.
   • Perform capacity planning and scalability assessments.

5. Documentation and Reporting:

   • Maintain detailed documentation of network configurations, procedures, and troubleshooting steps.
   • Generate performance reports and provide insights for network optimization.

6. Collaboration and Support:

   • Work closely with application teams to support their network requirements.
   • Provide guidance and training to junior team members and other stakeholders.
   • Participate in on-call rotations for network support.

Qualifications:

Required Skills:

• Extensive experience with mainframe network protocols, including VTAM, TCP/IP, and SNA.
• Strong knowledge of IBM z/OS and mainframe networking tools.
• Proficiency in configuring and managing mainframe communication servers.
• Experience in network performance tuning and troubleshooting.
• Familiarity with RACF, ACF2, or other mainframe security tools.
• Excellent problem-solving and analytical skills.

Preferred Skills:

• Experience with disaster recovery planning and implementation for mainframe networks.
• Knowledge of automation tools and scripting for mainframe environments.
• Familiarity with monitoring tools such as OMEGAMON or NetView.

Required Skill Set