Network Engineering Senior EngineerFulltime Onsite positionLocation: Detroit, MINetwork Analysis & TroubleshootingPerform 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 ManagementCustomize 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 & InfrastructureConfigure 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 & PerformanceGenerate 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 ExpectationsOn-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/OSSkills Preferred:Java, Linux, Programming, TCP/IPExperience Required:Senior Engineer Exp: Prac.
In 2 coding lang. or adv. Prac.
in 1 lang.; guides. 10+ years in IT; 8+ years in developmentExperience Preferred:Minimum 5 years of experience in IBM z/OS Communications Server, with specific expertise in: o SNA, VTAM, and APPN/Enterprise Extender. o TCP/IP stack configuration and z/OS Policy Agent.Education Required:Certification Program, Master's Degree, Bachelor's DegreeEducation Preferred:Bachelor's Degree Additional Safety Training/Licensing/Personal Protection Requirements:Additional Information:4 days on site