IBMz Network Engineer

Req ID: 382830 Competitive salary | UK: hybrid: remote + Sheffield or remotely UK-wide or across Europe At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees are key factors in our company’s growth, market presence and our ability to help our clients stay a step ahead of the competition. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for an IBMz Network Engineer (hybrid: remote + Sheffield or remotely UK-wide or across Europe) for our growing team in UK and rest of Europe. Job Description In this role you will be joining a team of technical professionals supporting a large-scale z/OS systems platform. This position requires an experienced systems programmer supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining the integrity and data/IP security of the Mainframe's host communication subsystems and associated program products. Your responsibilities will include:  Being part of a multi-functional team, supporting IBM mainframe networks and transmissions products and infrastructure. Participation in support rota providing 24x7 cover. Perform TCPIP Port Reserves (Additions, Deletions, Changes) Perform VTAM updates (Additions, Deletions, Changes) Manage OSA Adapters in a complex mainframe environment Perform VTAM PU/LU updates (Additions, Deletions, Changes) including Enterprise Extenders (EE) Implement AT-TLS rules (digital certificate management). Configure and manage IPSEC policies (permit/deny rules, VPN- ipsec tunnels) Trace, Debug and Error Analysis Communicate regularly with technical, applications and operational staff to ensure Network connectivity and security (may involve some after hours and weekend work) The ideal candidate for this role will have the below experience and qualifications:   Experience in administering file transmissions products such as Connect:Direct and FTP, or alternatively good experience as a user of these products. Knowledge of z/OS and z/OS utilities.   Understanding of z/OS networking services, structure and related software and protocols. Understanding of network security disciplines (IPSec, TLS/SSL, certificates, etc) and how they relate to file transmission. Experience of problem management from initial diagnosis through to resolution. Understanding of the Change Management process. Ability to customize and manage secure SNA and TCP/IP networks under z/OS. Knowledge of mainframe network management tools, e.g. NetMaster, and multi-session manager products such as TUBES and Supersession. Experience of managing mainframe printing products. General z/OS systems programming experience. Knowledge of System z hardware including the OSA-Express network cards. Excellent…