Mainframe Network Engineer (Hybrid)
Core
Design, configure, implement, and support network connectivity for IBM mainframe environments, ensuring reliable communication between mainframe systems and distributed servers, external partners, and middleware platforms.
Role type
Mainframe Network Engineer
Builds
Network connectivity and secure data exchange solutions for mission-critical IBM mainframe systems
Domain
IT Infrastructure / Mainframe Networking
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
z/OS communications support, TCP/IP on z/OS, VTAM configuration, SNA/Enterprise Extender, TN3270, FTP/SFTP, TLS/SSL, log analysis, trace analysis, dump data analysis, firewall rule validation, port usage review, vulnerability remediation, disaster recovery testing, business continuity planning
Preferred skills
Connect:Direct, IBM mainframe certifications, networking certifications
Technologies
z/OS, TCP/IP, VTAM, SNA, Enterprise Extender, TN3270, FTP, SFTP, TLS, SSL, Connect:Direct, Firewall
Responsibilities
Install, configure, and maintain z/OS Communications Server components; maintain and troubleshoot VTAM definitions; configure and support Enterprise Extender and SNA connectivity; maintain TN3270 access and session connectivity; diagnose and resolve issues involving IP routing, port communication, session failures, DNS resolution, and firewall restrictions; support file transfer solutions; work with network security teams to enforce secure communication standards; support SSL/TLS certificate deployment; assist with firewall rule validation and vulnerability remediation; support network design and recovery processes for disaster recovery environments; validate communication paths for failover systems and backup data centers; participate in disaster recovery testing and business continuity exercises
Seniority
Mid-Senior, hands-on IC