Description

Responsibilities:

• Define and design network architecture, including layout, components, and data flow
• Develop deployment strategies and lead implementations, including handoff to operations
• Lead deployment of network technologies such as routers, switches, firewalls, VPNs, QoS, and wireless access points
• Implement and maintain network security, including intrusion detection and data encryption
• Ensure compliance with industry standards (e.g., PCI DSS, HIPAA)
• Integrate new network and telecommunications technologies
• Optimize network performance, minimize latency, and maximize throughput
• Perform advanced troubleshooting and network performance analysis

Experience Required:

• 10+ years of overall IT experience, 8+ years in development or engineering roles
• Deep understanding of network protocols and standards (TCP/IP, SNA, VTAM, APPN, Enterprise Extender)
• Expertise in network security and encryption (SSL/TLS, SSH, AT-TLS)
• Experience with IBM z/OS Communications Server and Policy Agent (Pagent)
• Proficiency in network analysis and troubleshooting tools (packet capture, sniffer traces)
• Strong hands-on expertise in at least one programming language (or working knowledge of two)
• Minimum 5 years of experience with IBM z/OS Communications Server, including:
• SNA, VTAM, APPN / Enterprise Extender
• TCP/IP stack configuration

Network Analysis & Troubleshooting:

• Analyze TCP/IP packet captures and network traces
• Execute and interpret VTAM traces to resolve complex issues
• Support Enterprise Extender (EE) for SNA over IP

Security & Protocol Management:

• Configure and maintain z/OS Policy Agent (Pagent)
• Manage digital certificates and keyrings
• Support secure file transfer protocols (SFTP, FTPS, Connect:Direct)

System Support & Infrastructure:

• Support IBM 3270 emulators (PCOMM, HOD, HACP-EE)
• Maintain enterprise printing systems and protocols (PCL, PostScript)

Reporting & Performance:

• Generate reports using SMF data, REXX, CLIST, or Java
• Perform performance monitoring and capacity planning

Preferred Experience:

• Programming experience in Java or other languages
• Experience with Linux/Unix environments
• Familiarity with automation and scripting (REXX, CLIST)
• Experience with tools such as PuTTY, WinSCP, ServiceNow
• Participate in a 24/7 on-call rotation
• Flexibility to work weekends, holidays, and varied shifts
• Strong collaboration skills across cross-functional teams

Key Skills

Education

Bachelor's degree