Mainframe Network Engineer

Mainframe Network Engineer

Posted Today by Prudent Technologies and Consulting

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Negotiable
Undetermined
Remote
Remote
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Business Continuity And Disaster Recovery Certified Information Systems Security Professional (CISSP) Cloud Computing Cloud Technology Disaster Recovery IBM Software Intrusion Detection And Prevention Network Engineering Network Performance Resource Access Control Facility Rexx (Programming Language) Risk Management Framework Systems Integration TCP/IP Virtual Private Networks (VPN) Virtual Telecommunications Access Methods Wireshark z/OS

Summary: The Mainframe Network Engineer is responsible for architecting, deploying, and managing mainframe network environments, ensuring optimal performance and security. This role involves troubleshooting network issues, implementing security controls, and supporting high availability and disaster recovery efforts. The engineer will also maintain documentation and collaborate with cross-functional teams for system integration and upgrades.

Key Responsibilities:

  • Architect, deploy, and manage mainframe network environments (VTAM, SNA, TCP/IP, DVIPA/DDVIPA, Sysplex Distributor, HiperSockets).
  • Monitor and analyze network performance using OMEGAMON, RMF, IBM NetView, Wireshark, SolarWinds.
  • Troubleshoot performance issues, connectivity problems, and protocol mismatches across VTAM/TCP-IP environments.
  • Implement security controls including RACF, IP filtering, AT-TLS, IPSEC, VPN, and intrusion detection.
  • Support high availability and disaster recovery (failover, backups, system resilience).
  • Maintain documentation (network diagrams, SOPs, incident/change logs).
  • Collaborate with cross-functional teams for integration, upgrades, and issue resolution.

Key Skills:

  • 15+ years of hands-on experience in mainframe network engineering.
  • Strong expertise in z/OS, Parallel Sysplex, VTAM, TCP/IP, and SNA.
  • Deep knowledge of TCP/IP, SNA, VTAM, DVIPA/DDVIPA, HiperSockets, Sysplex Distributor.
  • Experience with monitoring/troubleshooting tools: OMEGAMON, RMF, IBM NetView, Wireshark.
  • Security expertise: RACF, AT-TLS, IPSEC, VPN, IDS/IPS.
  • Experience with high-availability and disaster recovery strategies.
  • Scripting/automation using REXX, CLISTs.
  • IBM z/OS or System Administrator certifications.
  • CCNP, CISSP, or equivalent.
  • Hybrid cloud and mainframe integration experience.
  • File transfer tools: Connect:Direct, FTP(S), SFTP, TPX.

Salary (Rate): £60 yearly

City: undetermined

Country: undetermined

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Job Summary

  • Architect, deploy, and manage mainframe network environments (VTAM, SNA, TCP/IP, DVIPA/DDVIPA, Sysplex Distributor, HiperSockets).
  • Monitor and analyze network performance using OMEGAMON, RMF, IBM NetView, Wireshark, SolarWinds.
  • Troubleshoot performance issues, connectivity problems, and protocol mismatches across VTAM/TCP-IP environments.
  • Implement security controls including RACF, IP filtering, AT-TLS, IPSEC, VPN, and intrusion detection.
  • Support high availability and disaster recovery (failover, backups, system resilience).
  • Maintain documentation (network diagrams, SOPs, incident/change logs).
  • Collaborate with cross-functional teams for integration, upgrades, and issue resolution.

Required Experience

  • 15+ years of hands-on experience in mainframe network engineering.
  • Strong expertise in z/OS, Parallel Sysplex, VTAM, TCP/IP, and SNA.

Technical Skills

  • Deep knowledge of TCP/IP, SNA, VTAM, DVIPA/DDVIPA, HiperSockets, Sysplex Distributor.
  • Experience with monitoring/troubleshooting tools: OMEGAMON, RMF, IBM NetView, Wireshark.
  • Security expertise: RACF, AT-TLS, IPSEC, VPN, IDS/IPS.
  • Experience with high-availability and disaster recovery strategies.
  • Scripting/automation using REXX, CLISTs.

Preferred Certifications

  • IBM z/OS or System Administrator certifications.
  • CCNP, CISSP, or equivalent.

Nice to Have

  • Hybrid cloud and mainframe integration experience.
  • File transfer tools: Connect:Direct, FTP(S), SFTP, TPX.
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