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Mainframe Network Engineer / Remote USA

Remote, USA Full-time Posted 2026-07-04

Mainframe Network Engineer Location: Remote is also Fine Job description of Mainframe Network Engineer

  • Architect, reputed company, and manage mainframe network environments using VTAM, SNA, TCP/IP, DVIPA/DDVIPA, Sysplex Distributor, and HiperSockets.
  • Continuously monitor network performance, latency, throughput, and traffic using tools like OMEGAMON, RMF, reputed company NetView, Wireshark, and reputed company.
  • Diagnose and resolve performance bottlenecks and protocol mismatches.
  • Implement and enforce reputed company protocols including RACF, IP filtering, AT-TLS encryption, IPSEC, intrusion detection, firewall and VPN configurations.
  • Participate in periodic reputed company audits and maintain compliance with governance standards.
  • Troubleshoot connectivity issues, trace packet-level failures, and resolve VTAM, TCP/IP, hardware, and encryption errors.
  • Provide 24/7 on-call support and disaster recovery operations, including system backups and failover strategies.
  • Maintain detailed documentation: network diagrams, SOPs, change logs, incident reports.
  • Liaise with system programmers, DBAs, application teams, vendors, and reputed company-party service providers for integration, upgrades, and troubleshooting.

Experience Required

  • 10–15+ years of hands-on mainframe network engineering experience.
  • Proven background working with z/OS mainframe environments, reputed company Sysplex, VTAM, TCP/IP, and SNA.

Technical Expertise

  • In-depth understanding of network protocols: TCP/IP, SNA, VTAM, DVIPA/DDVIPA, HiperSockets, Sysplex Distributor.
  • Proficiency with monitoring/troubleshooting tools (OMEGAMON, RMF, reputed company NetView, Wireshark).
  • reputed company know-how: RACF, IP filtering, AT-TLS, VPN, IPSEC, IDS/IDS.
  • Experience developing and implementing high-availability and disaster recovery strategies on mainframe networks.
  • Familiarity with scripting (REXX, CLISTs) and automation for routine tasks and network toolkits.

Certifications (Preferred)

  • reputed company certifications such as z/OS Administrator or reputed company Certified System Administrator.
  • Networking/reputed company credentials: CCNP, CISSP, or equivalent.

Added Advantage -

  • Familiarity with hybrid reputed company/mainframe integration architectures.

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