Zodiac Solutions, IncRemote
Mainframe network engineer
United States of America
Full-time
2 weeks ago
H1B Sponsor Likely
Key skills
Mainframe network engineeringNetwork protocolsSecurity protocolsMonitoring toolsHigh-availability strategiesIBM certificationsScriptingHybrid cloud integrationFile transfer protocolsFirewall
About this role
Zodiac Solutions, Inc is seeking a Mainframe Network Engineer to architect, deploy, and manage mainframe network environments. The role involves monitoring network performance, implementing security protocols, and providing on-call support while ensuring compliance with governance standards.
Responsibilities:
- Architect, deploy, 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, IBM NetView, Wireshark, and SolarWinds
- Diagnose and resolve performance bottlenecks and protocol mismatches
- Implement and enforce security protocols including RACF, IP filtering, AT-TLS encryption, IPSEC, intrusion detection, firewall and VPN configurations
- Participate in periodic security 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 third-party service providers for integration, upgrades, and troubleshooting
Requirements:
- Architect, deploy, 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, IBM NetView, Wireshark, and SolarWinds
- Diagnose and resolve performance bottlenecks and protocol mismatches
- Implement and enforce security protocols including RACF, IP filtering, AT-TLS encryption, IPSEC, intrusion detection, firewall and VPN configurations
- Participate in periodic security 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 third-party service providers for integration, upgrades, and troubleshooting
- 10–15+ years of hands-on mainframe network engineering experience
- Proven background working with z/OS mainframe environments, Parallel Sysplex, VTAM, TCP/IP, and SNA
- In-depth understanding of network protocols: TCP/IP, SNA, VTAM, DVIPA/DDVIPA, HiperSockets, Sysplex Distributor
- Proficiency with monitoring/troubleshooting tools (OMEGAMON, RMF, IBM NetView, Wireshark)
- Security 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
- IBM certifications such as z/OS Administrator or IBM Certified System Administrator
- Networking/security credentials: CCNP, CISSP, or equivalent
- Familiarity with hybrid cloud/mainframe integration architectures
- Experience with file transfers: Connect-Direct, FTP(S), sFTP, TPX, Supersession