Network Engineering Senior Engineer

Network Analysis & Troubleshooting

• Perform advanced network problem analysis utilizing sniffer traces and TCP/IP packet captures.
• Execute and analyze VTAM network traces to isolate and resolve complex issues within the SNA/APPN environment.
• Provide high-level support for Enterprise Extender (EE) protocols to ensure seamless SNA-over-IP communication.

Security & Protocol Management

• Customize and maintain the z/OS Policy Agent (Pagent) to manage network policies and AT-TLS rules.
• Manage secure communication protocols, including SSH and SSL/TLS, ensuring robust data encryption.
• Administer Digital Certificates and Keyrings to maintain mainframe security integrity.
• Support secure file transfer services, including SFTP, FTPS, and Connect:Direct.

System Support & Infrastructure

• Configure and support IBM 3270 Emulators, including PCOMM, Host On-Demand (HOD), and HACP-EE.
• Customize, and maintain the VPS Enterprise Printing System.
• Manage printer protocols, specifically PCL and PostScript, to ensure reliable output services.

Reporting, Automation & Performance

• Generate reports based on SMF records using REXX, CLIST, and Java.
• Utilize IBM utilities, Syncsort, and SMF (System Management Facilities) records for performance monitoring, reporting, and capacity planning.

Requirements

• Proficiency in mainframe environments: TSO/ISPF, JCL, SDSF (JES2/JES3), and OMVS.
• Experience with distributed tools such as PuTTY, WinSCP, and the Microsoft Office Suite.
• Familiarity with ServiceNow for IT Service Management (ITSM) is highly desirable.

Operational Expectations

• On-Call Support: Must be willing to participate in a rotational 24x7x365 on-call schedule.
• Flexibility: Ability to work overtime, including various shifts, weekends, and holidays, as required by business needs.
• Collaboration: Proven ability to function effectively both as an independent contributor and as a collaborative team member across cross-functional groups.

Skills Required

• Mainframe Systems
• Network Protocols & Standards
• Network Security
• Z/OS

Skills Preferred

• Java
• Linux
• Programming
• TCP/IP

Experience Required

• Senior Engineer Exp: Prac. In 2 coding lang. or adv. Prac. in 1 lang.; guides.
• 10+ years in IT; 8+ years in development

Experience Preferred

• Minimum 5 years of experience in IBM z/OS Communications Server, with specific expertise in:
  • SNA, VTAM, and APPN/Enterprise Extender.
  • TCP/IP stack configuration and z/OS Policy Agent.

Education Required

• Certification Program
• Master's Degree
• Bachelor's Degree

Education Preferred

• Bachelor's Degree

Additional Information

• 4 days on site