Note: The job is a remote job and is open to candidates in USA. NTT DATA is a global provider of business and technology services, including consulting, infrastructure, applications, and connectivity solutions. The company is seeking a Z/OS Network Consultant to support a large-scale z/OS mainframe platform by configuring and maintaining network communication subsystems, security, and associated products. The role also involves troubleshooting, network administration, and coordination with technical, application, and operational teams.
Responsibilities
- 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)
Skills
- This position requires an experienced systems programmer with at least 3 years of experience supporting the z/OS Mainframe Network environment
- 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 problem-solving and analytical skills
- Good communication, teamwork and negotiation skills
- Familiarity with the Cisco Network Solutions
- The ability to work to tight deadlines under pressure
- Good organisational skills
- Flexibility and adaptability
- The ability to create and maintain strong working relationships with colleagues and customers
- Business awareness and understanding of business requirements of IT
- A willingness to keep up to date with developments in new technology
- An understanding of information legislation, such as the Data Protection Act
- Experience of working as a z/OS Systems Specialist in the IT industry of over 10+ years
Benefits
- Remote work arrangement
Company Overview
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